# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Wed May 12 13:22:22 EET DST 1999 [metaconfig 3.0 PL70]
+# Generated on Sat Nov 13 15:36:41 EET 1999 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.com)
cat >/tmp/c1$$ <<EOF
installarchlib=''
archname=''
myarchname=''
+d_atolf=''
+d_atoll=''
baserev=''
bin=''
binexp=''
installbin=''
+bincompat5005=''
+d_bincompat5005=''
byteorder=''
cc=''
gccversion=''
cf_email=''
cf_by=''
cf_time=''
+charsize=''
contains=''
cpp_stuff=''
cpplast=''
d_endpent=''
d_endpwent=''
d_endsent=''
+d_endspent=''
d_fchmod=''
d_fchown=''
d_fcntl=''
d_flexfnam=''
d_flock=''
d_fork=''
+d_fs_data_s=''
d_fseeko=''
d_fsetpos=''
+d_fstatfs=''
d_ftello=''
d_ftime=''
d_gettimeod=''
d_uname=''
d_gethostprotos=''
d_getlogin=''
+d_getmnt=''
d_getmntent=''
d_getnbyaddr=''
d_getnbyname=''
d_getpwent=''
d_getsent=''
d_getservprotos=''
+d_getspent=''
+d_getspnam=''
d_getsbyname=''
d_getsbyport=''
d_gnulibc=''
d_hasmntopt=''
d_htonl=''
d_inetaton=''
+d_int64t=''
d_isascii=''
d_killpg=''
d_lchown=''
+d_ldbl_dig=''
d_link=''
d_locconv=''
d_lockf=''
d_longlong=''
longlongsize=''
d_lstat=''
-d_madvise=''
d_mblen=''
d_mbstowcs=''
d_mbtowc=''
+d_memchr=''
d_memcmp=''
d_memcpy=''
d_memmove=''
d_mkdir=''
d_mkfifo=''
d_mktime=''
-d_mmap=''
-mmaptype=''
-d_mprotect=''
d_msg=''
d_msgctl=''
d_msgget=''
d_msgrcv=''
d_msgsnd=''
-d_msync=''
-d_munmap=''
d_nice=''
d_open3=''
d_fpathconf=''
d_seekdir=''
d_telldir=''
d_readlink=''
-d_readv=''
d_rename=''
d_rmdir=''
d_safebcpy=''
d_setruid=''
d_setsent=''
d_setsid=''
+d_setspent=''
d_setvbuf=''
d_sfio=''
usesfio=''
d_shmget=''
d_sigaction=''
d_sigsetjmp=''
-d_cmsghdr_s=''
d_msg_ctrunc=''
d_msg_dontroute=''
d_msg_oob=''
d_msg_peek=''
d_msg_proxy=''
-d_msghdr_s=''
d_oldsock=''
-d_recvmsg=''
d_scm_rights=''
-d_sendmsg=''
d_socket=''
d_sockpair=''
sockethdr=''
socketlib=''
+d_sqrtl=''
d_statblks=''
-d_fstatfs=''
-d_statfs=''
-d_statfsflags=''
+d_statfs_f_flags=''
+d_statfs_s=''
d_fstatvfs=''
d_statvfs=''
d_stdio_cnt_lval=''
d_semctl_semid_ds=''
d_semctl_semun=''
d_union_semun=''
+d_ustat=''
d_vfork=''
usevfork=''
d_voidsig=''
d_waitpid=''
d_wcstombs=''
d_wctomb=''
-d_writev=''
-d_dbmclose64=''
-d_dbminit64=''
-d_delete64=''
-d_fetch64=''
-d_firstkey64=''
-d_nextkey64=''
-d_store64=''
dlext=''
cccdlflags=''
ccdlflags=''
doublesize=''
ebcdic=''
fflushNULL=''
+fflushall=''
+fpossize=''
fpostype=''
+gidformat=''
+gidsign=''
+gidsize=''
gidtype=''
groupstype=''
h_fcntl=''
i_gdbm=''
d_grpasswd=''
i_grp=''
-d_int64t=''
i_inttypes=''
i_limits=''
i_locale=''
d_pwquota=''
i_pwd=''
i_sfio=''
+i_shadow=''
+i_socks=''
i_stddef=''
i_stdlib=''
i_string=''
i_sysfilio=''
i_sysioctl=''
i_syssockio=''
-i_sysmman=''
i_sysmount=''
i_sysndir=''
i_sysparam=''
i_syssecrt=''
i_sysselct=''
i_sysstat=''
+i_sysstatfs=''
i_sysstatvfs=''
i_systimes=''
i_systypes=''
-d_iovec_s=''
i_sysuio=''
i_sysun=''
+i_sysvfs=''
i_syswait=''
i_sgtty=''
i_termio=''
i_time=''
timeincl=''
i_unistd=''
+i_ustat=''
i_utime=''
i_values=''
i_stdarg=''
i_varargs=''
i_varhdr=''
i_vfork=''
+installprefix=''
+installprefixexp=''
+installstyle=''
installusrbinperl=''
intsize=''
longsize=''
shortsize=''
-d_dirent64_s=''
-d_flock64_s=''
-d_fstat64=''
-d_ftruncate64=''
-d_ino64_t=''
-d_llseek=''
-d_lockf64=''
-d_lseek64=''
-d_lstat64=''
+d_fpos64_t=''
d_off64_t=''
-d_offset_t=''
-d_open64=''
-d_opendir64=''
-d_readdir64=''
-d_seekdir64=''
-d_stat64=''
-d_telldir64=''
-d_truncate64=''
libc=''
+ldlibpthname=''
libperl=''
shrpenv=''
useshrplib=''
ignore_versioned_solibs=''
libs=''
lns=''
+d_PRIEldbl=''
+d_PRIFldbl=''
+d_PRIGldbl=''
+d_PRIeldbl=''
+d_PRIfldbl=''
+d_PRIgldbl=''
+sPRIEldbl=''
+sPRIFldbl=''
+sPRIGldbl=''
+sPRIeldbl=''
+sPRIfldbl=''
+sPRIgldbl=''
lseeksize=''
lseektype=''
make_set_make=''
version=''
perladmin=''
perlpath=''
+i16size=''
+i16type=''
+i32size=''
+i32type=''
+i64size=''
+i64type=''
+i8size=''
+i8type=''
+ivsize=''
+ivtype=''
+nvsize=''
+nvtype=''
+u16size=''
+u16type=''
+u32size=''
+u32type=''
+u64size=''
+u64type=''
+u8size=''
+u8type=''
+uvsize=''
+uvtype=''
+ivdformat=''
+uvoformat=''
+uvuformat=''
+uvxformat=''
pidtype=''
prefix=''
prefixexp=''
privlibexp=''
prototype=''
ptrsize=''
+d_PRIX64=''
+d_PRId64=''
+d_PRIi64=''
+d_PRIo64=''
+d_PRIu64=''
+d_PRIx64=''
+sPRIX64=''
+sPRId64=''
+sPRIi64=''
+sPRIo64=''
+sPRIu64=''
+sPRIx64=''
+d_quad=''
+quadkind=''
+quadtype=''
+uquadtype=''
drand01=''
randbits=''
randfunc=''
installsitearch=''
sitearch=''
sitearchexp=''
+installsitebin=''
+sitebin=''
+sitebinexp=''
installsitelib=''
sitelib=''
sitelibexp=''
+siteprefix=''
+siteprefixexp=''
sizetype=''
so=''
sharpbang=''
startperl=''
startsh=''
stdchar=''
-d_fgetpos64=''
-d_fopen64=''
-d_freopen64=''
-d_fseek64=''
-d_fseeko64=''
-d_fsetpos64=''
-d_ftell64=''
-d_ftello64=''
-d_tmpfile64=''
+d_stdio_stream_array=''
+stdio_stream_array=''
+d_strtoull=''
sysman=''
trnl=''
+uidformat=''
+uidsign=''
+uidsize=''
uidtype=''
archname64=''
use64bits=''
+uselargefiles=''
+uselongdouble=''
+uselonglong=''
+usemorebits=''
usemultiplicity=''
nm_opt=''
nm_so_opt=''
runnm=''
usenm=''
useperlio=''
+usesocks=''
d_oldpthreads=''
usethreads=''
incpath=''
-mips=''
mips_type=''
usrinc=''
+d_vendorbin=''
+installvendorbin=''
+vendorbin=''
+vendorbinexp=''
+d_vendorlib=''
+installvendorlib=''
+vendorlib=''
+vendorlibexp=''
+usevendorprefix=''
+vendorprefix=''
+vendorprefixexp=''
defvoidused=''
voidflags=''
+pm_apiversion=''
+xs_apiversion=''
CONFIG=''
define='define'
al="$al M_COFF M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM"
al="$al M_SYS3 M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX"
al="$al NeXT OCS88 OSF1 PARISC PC532 PORTAR POSIX"
-al="$al PWB R3000 RES RISC6000 RT Sun386i SVR3 SVR4"
+al="$al PWB R3000 RES RISC6000 RT Sun386i SVR3 SVR4 SVR5"
al="$al SYSTYPE_BSD SYSTYPE_SVR4 SYSTYPE_SYSV Tek4132 Tek4300"
al="$al UMAXV USGr4 USGr4_2 UTEK UTS UTek UnicomPBB UnicomPBD Utek"
al="$al VMS Xenix286"
: set useopcode=false in your hint file to disable the Opcode extension.
useopcode=true
: set usemultiplicity on the Configure command line to enable multiplicity.
+: set usesocks on the Configure command line to enable socks.
: set usethreads on the Configure command line to enable threads.
: List of libraries we want.
: If anyone needs -lnet, put it in a hint file.
libswanted='sfio socket inet nsl nm ndbm gdbm dbm db malloc dl'
-libswanted="$libswanted dld ld sun m rt c cposix posix"
-libswanted="$libswanted ndir dir crypt"
+libswanted="$libswanted dld ld sun m c cposix posix"
+libswanted="$libswanted ndir dir crypt sec"
libswanted="$libswanted ucb bsd BSD PW x"
: We probably want to search /usr/shlib before most other libraries.
: This is only used by the lib/ExtUtils/MakeMaker.pm routine extliblist.
: produce awk script to parse command line options
cat >options.awk <<'EOF'
BEGIN {
- optstr = "dD:eEf:hKOrsSU:V"; # getopt-style specification
+ optstr = "A:dD:eEf:hKOrsSU:V"; # getopt-style specification
len = length(optstr);
for (i = 1; i <= len; i++) {
extractsh=''
override=''
knowitall=''
-rm -f optdef.sh
+rm -f optdef.sh posthint.sh
cat >optdef.sh <<EOS
$startsh
EOS
esac
shift
;;
+ -A)
+ shift
+ xxx=''
+ yyy="$1"
+ zzz=''
+ uuu=undef
+ case "$yyy" in
+ *=*) zzz=`echo $yyy|sed 's!=.*!!'`
+ case "$zzz" in
+ *:*) zzz='' ;;
+ *) xxx=append
+ zzz=" "`echo $yyy|sed 's!^[^=]*=!!'`
+ yyy=`echo $yyy|sed 's!=.*!!'` ;;
+ esac
+ ;;
+ esac
+ case "$xxx" in
+ '') case "$yyy" in
+ *:*) xxx=`echo $yyy|sed 's!:.*!!'`
+ yyy=`echo $yyy|sed 's!^[^:]*:!!'`
+ zzz=`echo $yyy|sed 's!^[^=]*=!!'`
+ yyy=`echo $yyy|sed 's!=.*!!'` ;;
+ *) xxx=`echo $yyy|sed 's!:.*!!'`
+ yyy=`echo $yyy|sed 's!^[^:]*:!!'` ;;
+ esac
+ ;;
+ esac
+ case "$xxx" in
+ append)
+ echo "$yyy=\"\${$yyy}$zzz\"" >> posthint.sh ;;
+ clear)
+ echo "$yyy=''" >> posthint.sh ;;
+ define)
+ case "$zzz" in
+ '') zzz=define ;;
+ esac
+ echo "$yyy='$zzz'" >> posthint.sh ;;
+ eval)
+ echo "eval \"$yyy=$zzz\"" >> posthint.sh ;;
+ prepend)
+ echo "$yyy=\"$zzz\${$yyy}\"" >> posthint.sh ;;
+ undef)
+ case "$zzz" in
+ '') zzz="$uuu" ;;
+ esac
+ echo "$yyy=$zzz" >> posthint.sh ;;
+ *) echo "$me: unknown -A command '$xxx', ignoring -A $1" >&2 ;;
+ esac
+ ;;
-V) echo "$me generated by metaconfig 3.0 PL70." >&2
- exit 0;;
+ exit 0;;
--) break;;
-*) echo "$me: unknown option $1" >&2; shift; error=true;;
*) break;;
true)
cat >&2 <<EOM
Usage: $me [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
- [-U symbol] [-U symbol=]
+ [-U symbol] [-U symbol=] [-A command:symbol...]
-d : use defaults for all answers.
-e : go on without questioning past the production of config.sh.
-f : specify an alternate default configuration file.
-U : undefine symbol:
-U symbol symbol gets the value 'undef'
-U symbol= symbol gets completely empty
+ -A : manipulate symbol after the platform specific hints have been applied:
+ -A symbol=value append " "value to symbol
+ -A append:symbol=value append value to symbol
+ -A define:symbol=value define symbol to have value
+ -A clear:symbol define symbol to be ''
+ -A define:symbol define symbol to be 'define'
+ -A eval:symbol=value define symbol to be eval of value
+ -A prepend:symbol=value prepend value to symbol
+ -A undef:symbol define symbol to be 'undef'
+ -A undef:symbol= define symbol to be ''
-V : print version number and exit (with a zero status).
EOM
exit 1
: run the defines and the undefines, if any, but leave the file out there...
touch optdef.sh
. ./optdef.sh
+: create the posthint manipulation script and leave the file out there...
+touch posthint.sh
: set package name
package=perl5
: Find the path to the source tree
case "$src" in
'') case "$0" in
- */*) src=`echo $0 | sed -e 's%/[^/][^/]*$%%'`;;
+ */*) src=`echo $0 | sed -e 's%/[^/][^/]*$%%'`
+ case "$src" in
+ /*) ;;
+ *) src=`cd ../$src && pwd` ;;
+ esac
+ ;;
*) src='.';;
esac;;
esac
osvers=$tmp
elif $test -f /etc/kconfig; then
osname=isc
- if test "$lns" = "ln -s"; then
+ if test "$lns" = "$ln -s"; then
osvers=4
elif $contains _SYSV3 /usr/include/stdio.h > /dev/null 2>&1 ; then
osvers=3
mips) osname=mips_osf1 ;;
esac
;;
- uts) osname=uts
+ unixware) osname=svr5
+ osvers="$4"
+ ;;
+ uts) osname=uts
osvers="$3"
;;
qnx) osname=qnx
You may give one or more space-separated answers, or "none" if appropriate.
A well-behaved OS will have no hints, so answering "none" or just "Policy"
-is a good thing. DO NOT give a wrong version.
+is a good thing. DO NOT give a wrong version or a wrong OS.
EOM
*) osvers="$ans" ;;
esac
+
+. ./posthint.sh
+
: who configured the system
cf_time=`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`
cf_by=`(logname) 2>/dev/null`
: user has specified that a threading perl is to be built,
: we may need to set or change some other defaults.
if $test -f usethreads.cbu; then
+ echo "Your platform has some specific hints for threaded builds, using them..."
. ./usethreads.cbu
- fi
- case "$osname" in
- aix|dec_osf|dos_djgpp|freebsd|hpux|irix|linux|next|openbsd|os2|solaris|vmesa)
- # Known thread-capable platforms.
- ;;
- *)
- cat >&4 <<EOM
-$osname is not known to support threads.
-Please let perlbug@perl.com know how to do that.
-
-Cannot continue, aborting.
+ else
+ $cat <<EOM
+(Your platform doesn't have any specific hints for threaded builds.
+ Assuming POSIX threads, then.)
EOM
- exit 1
- ;;
- esac # $osname
+ fi
;;
-esac # $usethreads
+esac
cat <<EOM
set usemultiplicity
eval $setvar
-cat <<EOM
-
-Perl can be built to take advantage of explicit 64-bit interfaces,
-on some systems. To do so, Configure must be run with -Duse64bits.
-
-If this doesn't make any sense to you, just accept the default 'n'.
-EOM
-case "$use64bits" in
-$define|true|[yY]*) dflt='y';;
-*) dflt='n';;
-esac
-rp='Try to use explicit 64-bit interfaces, if available?'
-. ./myread
-case "$ans" in
-y|Y)
- val="$define"
- ;;
-*)
- val="$undef"
+: determine where manual pages are on this system
+echo " "
+case "$sysman" in
+'')
+ syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1'
+ syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1"
+ syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1"
+ syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
+ syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1"
+ sysman=`./loc . /usr/man/man1 $syspath`
;;
esac
-set use64bits
-eval $setvar
+if $test -d "$sysman"; then
+ echo "System manual is in $sysman." >&4
+else
+ echo "Could not find manual pages in source form." >&4
+fi
-case "$archname64" in
-'') archname64='' ;; # not a typo
+: see what memory models we can support
+case "$models" in
+'')
+ $cat >pdp11.c <<'EOP'
+int main() {
+#ifdef pdp11
+ exit(0);
+#else
+ exit(1);
+#endif
+}
+EOP
+ ( cc -o pdp11 pdp11.c ) >/dev/null 2>&1
+ if $test -f pdp11 && ./pdp11 2>/dev/null; then
+ dflt='unsplit split'
+ else
+ tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge`
+ case "$tans" in
+ X) dflt='none';;
+ *) if $test -d /lib/small || $test -d /usr/lib/small; then
+ dflt='small'
+ else
+ dflt=''
+ fi
+ if $test -d /lib/medium || $test -d /usr/lib/medium; then
+ dflt="$dflt medium"
+ fi
+ if $test -d /lib/large || $test -d /usr/lib/large; then
+ dflt="$dflt large"
+ fi
+ if $test -d /lib/huge || $test -d /usr/lib/huge; then
+ dflt="$dflt huge"
+ fi
+ esac
+ fi;;
+*) dflt="$models";;
esac
+$cat <<EOM
+
+Some systems have different model sizes. On most systems they are called
+small, medium, large, and huge. On the PDP11 they are called unsplit and
+split. If your system doesn't support different memory models, say "none".
+If you wish to force everything to one memory model, say "none" here and
+put the appropriate flags later when it asks you for other cc and ld flags.
+Venix systems may wish to put "none" and let the compiler figure things out.
+(In the following question multiple model names should be space separated.)
-case "$use64bits" in
-"$define"|true|[yY]*)
-: Look for a hint-file generated 'call-back-unit'. If the
-: user has specified that a threading perl is to be built,
-: we may need to set or change some other defaults.
- if $test -f use64bits.cbu; then
- . ./use64bits.cbu
- fi
- case "$osname" in
- dec_osf|hpux|irix|solaris|unicos)
- # Known 64-bit capable platforms.
- ;;
- *)
- cat >&4 <<EOM
-$osname is not known to support 64-bit interfaces.
-Please let perlbug@perl.com know how to do that.
+The default for most systems is "none".
-Cannot continue, aborting.
EOM
- exit 1
- ;;
+rp="Which memory models are supported?"
+. ./myread
+models="$ans"
+
+case "$models" in
+none)
+ small=''
+ medium=''
+ large=''
+ huge=''
+ unsplit=''
+ split=''
+ ;;
+*split)
+ case "$split" in
+ '') if $contains '\-i' $sysman/ld.1 >/dev/null 2>&1 || \
+ $contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then
+ dflt='-i'
+ else
+ dflt='none'
+ fi;;
+ *) dflt="$split";;
+ esac
+ rp="What flag indicates separate I and D space?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';;
+ esac
+ split="$tans"
+ unsplit='';;
+*large*|*small*|*medium*|*huge*)
+ case "$models" in
+ *large*)
+ case "$large" in
+ '') dflt='-Ml';;
+ *) dflt="$large";;
+ esac
+ rp="What flag indicates large model?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';
+ esac
+ large="$tans";;
+ *) large='';;
+ esac
+ case "$models" in
+ *huge*) case "$huge" in
+ '') dflt='-Mh';;
+ *) dflt="$huge";;
+ esac
+ rp="What flag indicates huge model?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';
+ esac
+ huge="$tans";;
+ *) huge="$large";;
+ esac
+ case "$models" in
+ *medium*) case "$medium" in
+ '') dflt='-Mm';;
+ *) dflt="$medium";;
+ esac
+ rp="What flag indicates medium model?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';
+ esac
+ medium="$tans";;
+ *) medium="$large";;
+ esac
+ case "$models" in
+ *small*) case "$small" in
+ '') dflt='none';;
+ *) dflt="$small";;
+ esac
+ rp="What flag indicates small model?"
+ . ./myread
+ tans="$ans"
+ case "$tans" in
+ none) tans='';
+ esac
+ small="$tans";;
+ *) small='';;
esac
;;
+*)
+ echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4
+ ;;
esac
+$rm -f pdp11.* pdp11
-: determine the architecture name
+: make some quick guesses about what we are up against
echo " "
-if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
- tarch=`arch`"-$osname"
-elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
- if uname -m > tmparch 2>&1 ; then
- tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \
- -e 's/$/'"-$osname/" tmparch`
+$echo $n "Hmm... $c"
+echo exit 1 >bsd
+echo exit 1 >usg
+echo exit 1 >v7
+echo exit 1 >osf1
+echo exit 1 >eunice
+echo exit 1 >xenix
+echo exit 1 >venix
+echo exit 1 >os2
+d_bsd="$undef"
+$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
+if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
+then
+ echo "Looks kind of like an OSF/1 system, but we'll see..."
+ echo exit 0 >osf1
+elif test `echo abc | tr a-z A-Z` = Abc ; then
+ xxx=`./loc addbib blurfl $pth`
+ if $test -f $xxx; then
+ echo "Looks kind of like a USG system with BSD features, but we'll see..."
+ echo exit 0 >bsd
+ echo exit 0 >usg
else
- tarch="$osname"
+ if $contains SIGTSTP foo >/dev/null 2>&1 ; then
+ echo "Looks kind of like an extended USG system, but we'll see..."
+ else
+ echo "Looks kind of like a USG system, but we'll see..."
+ fi
+ echo exit 0 >usg
fi
- $rm -f tmparch
+elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
+ echo "Looks kind of like a BSD system, but we'll see..."
+ d_bsd="$define"
+ echo exit 0 >bsd
else
- tarch="$osname"
+ echo "Looks kind of like a Version 7 system, but we'll see..."
+ echo exit 0 >v7
fi
-case "$myarchname" in
-''|"$tarch") ;;
-*)
+case "$eunicefix" in
+*unixtovms*)
+ $cat <<'EOI'
+There is, however, a strange, musty smell in the air that reminds me of
+something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
+EOI
+ echo exit 0 >eunice
+ d_eunice="$define"
+: it so happens the Eunice I know will not run shell scripts in Unix format
+ ;;
+*)
+ echo " "
+ echo "Congratulations. You aren't running Eunice."
+ d_eunice="$undef"
+ ;;
+esac
+: Detect OS2. The p_ variable is set above in the Head.U unit.
+case "$p_" in
+:) ;;
+*)
+ $cat <<'EOI'
+I have the feeling something is not exactly right, however...don't tell me...
+lemme think...does HAL ring a bell?...no, of course, you're only running OS/2!
+EOI
+ echo exit 0 >os2
+ ;;
+esac
+if test -f /xenix; then
+ echo "Actually, this looks more like a XENIX system..."
+ echo exit 0 >xenix
+ d_xenix="$define"
+else
+ echo " "
+ echo "It's not Xenix..."
+ d_xenix="$undef"
+fi
+chmod +x xenix
+$eunicefix xenix
+if test -f /venix; then
+ echo "Actually, this looks more like a VENIX system..."
+ echo exit 0 >venix
+else
+ echo " "
+ if ./xenix; then
+ : null
+ else
+ echo "Nor is it Venix..."
+ fi
+fi
+chmod +x bsd usg v7 osf1 eunice xenix venix os2
+$eunicefix bsd usg v7 osf1 eunice xenix venix os2
+$rm -f foo
+
+: see if we need a special compiler
+echo " "
+if ./usg; then
+ case "$cc" in
+ '') case "$Mcc" in
+ /*) dflt='Mcc';;
+ *) case "$large" in
+ -M*) dflt='cc';;
+ *) if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then
+ if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then
+ dflt='cc'
+ else
+ dflt='cc -M'
+ fi
+ else
+ dflt='cc'
+ fi;;
+ esac;;
+ esac;;
+ *) dflt="$cc";;
+ esac
+ case "$dflt" in
+ *M*) $cat <<'EOM'
+On some older systems the default C compiler will not resolve multiple global
+references that happen to have the same name. On some such systems the "Mcc"
+command may be used to force these to be resolved. On other systems a "cc -M"
+command is required. (Note that the -M flag on other systems indicates a
+memory model to use!) If you have the Gnu C compiler, you might wish to use
+that instead.
+
+EOM
+ ;;
+ esac
+ rp="Use which C compiler?"
+ . ./myread
+ cc="$ans"
+else
+ case "$cc" in
+ '') dflt=cc;;
+ *) dflt="$cc";;
+ esac
+ rp="Use which C compiler?"
+ . ./myread
+ cc="$ans"
+fi
+: Look for a hint-file generated 'call-back-unit'. Now that the
+: user has specified the compiler, we may need to set or change some
+: other defaults.
+if $test -f cc.cbu; then
+ . ./cc.cbu
+fi
+echo " "
+echo "Checking for GNU cc in disguise and/or its version number..." >&4
+$cat >gccvers.c <<EOM
+#include <stdio.h>
+int main() {
+#ifdef __GNUC__
+#ifdef __VERSION__
+ printf("%s\n", __VERSION__);
+#else
+ printf("%s\n", "1");
+#endif
+#endif
+ exit(0);
+}
+EOM
+if $cc -o gccvers gccvers.c; then
+ gccversion=`./gccvers`
+ case "$gccversion" in
+ '') echo "You are not using GNU cc." ;;
+ *) echo "You are using GNU cc $gccversion." ;;
+ esac
+else
+ echo " "
+ echo "*** WHOA THERE!!! ***" >&4
+ echo " Your C compiler \"$cc\" doesn't seem to be working!" >&4
+ case "$knowitall" in
+ '')
+ echo " You'd better start hunting for one and let me know about it." >&4
+ exit 1
+ ;;
+ esac
+fi
+$rm -f gccvers*
+case "$gccversion" in
+1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
+esac
+
+
+case "$usemorebits" in
+"$define"|true|[yY]*)
+ use64bits="$define"
+ uselongdouble="$define"
+ usemorebits="$define"
+ ;;
+*) usemorebits="$undef"
+ ;;
+esac
+
+
+cat <<EOM
+
+Perl can be built to understand large files (files larger than 2 gigabytes)
+on some systems. To do so, Configure must be run with -Duselargefiles.
+
+If this doesn't make any sense to you, just accept the default.
+EOM
+case "$uselargefiles" in
+"$define"|true|[yY]*) dflt='y' ;;
+*) dflt='n' ;;
+esac
+rp='Try to understand large files?'
+. ./myread
+case "$ans" in
+y|Y) val="$define" ;;
+*) val="$undef" ;;
+esac
+set uselargefiles
+eval $setvar
+case "$uselargefiles" in
+"$define") use64bits="$define" ;;
+esac
+
+cat <<EOM
+
+Perl can be built to take advantage of explicit 64-bit interfaces,
+on some systems. To do so, Configure must be run with -Duse64bits.
+
+If this doesn't make any sense to you, just accept the default.
+EOM
+case "$use64bits" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Try to use explicit 64-bit interfaces, if available?'
+. ./myread
+case "$ans" in
+y|Y)
+ val="$define"
+ ;;
+*)
+ val="$undef"
+ ;;
+esac
+set use64bits
+eval $setvar
+
+case "$archname64" in
+'') archname64='' ;; # not a typo
+esac
+
+case "$use64bits" in
+"$define"|true|[yY]*)
+: Look for a hint-file generated 'call-back-unit'. If the
+: user has specified that a 64 bit perl is to be built,
+: we may need to set or change some other defaults.
+ if $test -f use64bits.cbu; then
+ echo "Your platform has some specific hints for 64-bit builds, using them..."
+ . ./use64bits.cbu
+ else
+ $cat <<EOM
+(Your platform doesn't have any specific hints for 64-bit builds.
+ This is probably okay, especially if your system is a true 64-bit system.)
+EOM
+ case "$gccversion" in
+ '') ;;
+ *) $cat <<EOM
+But since you seem to be using gcc,
+I will now add -DUSE_LONG_LONG to the compilation flags.
+EOM
+ ccflags="$ccflags -DUSE_LONG_LONG"
+ ;;
+ esac
+ fi
+ ;;
+esac
+
+: determine the architecture name
+echo " "
+if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
+ tarch=`arch`"-$osname"
+elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
+ if uname -m > tmparch 2>&1 ; then
+ tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \
+ -e 's/$/'"-$osname/" tmparch`
+ else
+ tarch="$osname"
+ fi
+ $rm -f tmparch
+else
+ tarch="$osname"
+fi
+case "$myarchname" in
+''|"$tarch") ;;
+*)
echo "(Your architecture name used to be $myarchname.)"
archname=''
;;
esac
esac
-: is AFS running?
-echo " "
-case "$afs" in
-$define|true) afs=true ;;
-$undef|false) afs=false ;;
-*) if test -d /afs; then
- afs=true
- else
- afs=false
- fi
- ;;
-esac
-if $afs; then
- echo "AFS may be running... I'll be extra cautious then..." >&4
-else
- echo "AFS does not seem to be running..." >&4
-fi
-
: decide how portable to be. Allow command line overrides.
case "$d_portable" in
"$undef") ;;
nopath_ok=''
orig_rp="$rp"
orig_dflt="$dflt"
+case "$gfpth" in
+'') gfpth='.' ;;
+esac
case "$fn" in
*\(*)
'')
case "$type" in
File)
- if test -f "$ansexp"; then
- type=''
- elif test -r "$ansexp" || (test -h "$ansexp") >/dev/null 2>&1
- then
- echo "($value is not a plain file, but that's ok.)"
- type=''
- fi
+ for fp in $gfpth; do
+ if test "X$fp" = X.; then
+ pf="$ansexp"
+ else
+ pf="$fp/$ansexp"
+ fi
+ if test -f "$pf"; then
+ type=''
+ elif test -r "$pf" || (test -h "$pf") >/dev/null 2>&1
+ then
+ echo "($value is not a plain file, but that's ok.)"
+ type=''
+ fi
+ if test X"$type" = X; then
+ value="$pf"
+ break
+ fi
+ done
;;
Directory)
- if test -d "$ansexp"; then
- type=''
- fi
- ;;
- Locate)
+ for fp in $gfpth; do
+ if test "X$fp" = X.; then
+ pf="$ansexp"
+ else
+ pf="$fp/$ansexp"
+ fi
+ if test -d "$pf"; then
+ type=''
+ value="$pf"
+ break
+ fi
+ done
+ ;;
+ Locate)
if test -d "$ansexp"; then
echo "(Looking for $loc_file in directory $value.)"
value="$value/$loc_file"
rp="$orig_rp"
dflt="$orig_dflt"
rm -f getfile.ok
+test "X$gfpthkeep" != Xy && gfpth=""
EOSC
: determine root of directory hierarchy where package will be installed.
esac
$cat <<EOM
-By default, $package will be installed in $dflt/bin, manual
-pages under $dflt/man, etc..., i.e. with $dflt as prefix for
-all installation directories. Typically set to /usr/local, but you
-may choose /usr if you wish to install $package among your system
-binaries. If you wish to have binaries under /bin but manual pages
-under /usr/local/man, that's ok: you will be prompted separately
-for each of the installation directories, the prefix being only used
-to set the defaults.
+By default, $package will be installed in $dflt/bin, manual pages
+under $dflt/man, etc..., i.e. with $dflt as prefix for all
+installation directories. Typically this is something like /usr/local.
+If you wish to have binaries under /usr/bin but other parts of the
+installation under /usr/local, that's ok: you will be prompted
+separately for each of the installation directories, the prefix being
+only used to set the defaults.
EOM
fn=d~
prefix="$ans"
prefixexp="$ansexp"
+: is AFS running?
+echo " "
+case "$afs" in
+$define|true) afs=true ;;
+$undef|false) afs=false ;;
+*) if test -d /afs; then
+ afs=true
+ else
+ afs=false
+ fi
+ ;;
+esac
+if $afs; then
+ echo "AFS may be running... I'll be extra cautious then..." >&4
+else
+ echo "AFS does not seem to be running..." >&4
+fi
+
+: determine installation prefix for where package is to be installed.
+if $afs; then
+$cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+files will reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$installprefix" in
+ '') dflt=`echo $prefix | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installprefix";;
+ esac
+else
+$cat <<EOM
+
+In some special cases, particularly when building $package for distribution,
+it is convenient to distinguish between the directory in which files should
+be installed from the directory ($prefix) in which they
+will eventually reside. For most users, these two directories are the same.
+
+EOM
+ case "$installprefix" in
+ '') dflt=$prefix ;;
+ *) dflt=$installprefix;;
+ esac
+fi
+fn=d~
+rp='What installation prefix should I use for installing files?'
+. ./getfile
+installprefix="$ans"
+installprefixexp="$ansexp"
+
: set the prefixit variable, to compute a suitable default value
prefixit='case "$3" in
""|none)
if $test -r $rsrc/patchlevel.h;then
patchlevel=`awk '/define[ ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
subversion=`awk '/define[ ]+PERL_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
+ apiversion=`awk '/define[ ]+PERL_APIVERSION/ {print $3}' $rsrc/patchlevel.h`
else
patchlevel=0
subversion=0
+ apiversion=0
fi
$echo $n "(You have $package" $c
case "$package" in
echo $baserev $patchlevel $subversion | \
$awk '{ printf "%.5f\n", $1 + $2/1000.0 + $3/100000.0 }'`
fi
-: Figure out perl API version. Perhaps this should be in patchlevel.h
-if test "$subversion" -lt 50; then
- apiversion=`LC_ALL=C; export LC_ALL; \
- LANGUAGE=C; export LANGUAGE; \
- echo $baserev $patchlevel | \
- $awk '{ printf "%.3f\n", $1 + $2/1000.0 }'`
-else
- apiversion="$version"
-fi
+
+: determine installation style
+: For now, try to deduce it from prefix unless it is already set.
+: Reproduce behavior of 5.005 and earlier, maybe drop that in 5.7.
+case "$installstyle" in
+'') case "$prefix" in
+ *perl*) dflt='lib';;
+ *) dflt='lib/perl5' ;;
+ esac
+ ;;
+*) dflt='lib/perl5' ;;
+esac
+: Probably not worth prompting for this since we prompt for all
+: the directories individually, and the prompt would be too long and
+: confusing anyway.
+installstyle=$dflt
: determine where private library files go
: Usual default is /usr/local/lib/perl5/$version.
: Also allow things like /opt/perl/lib/$version, since
: /opt/perl/lib/perl5... would be redundant.
-case "$prefix" in
-*perl*) set dflt privlib lib/$version ;;
-*) set dflt privlib lib/$package/$version ;;
+: The default "style" setting is made in installstyle.U
+case "$installstyle" in
+*lib/perl5*) set dflt privlib lib/$package/$version ;;
+*) set dflt privlib lib/$version ;;
esac
eval $prefixit
$cat <<EOM
fn=d~+
rp='Pathname where the private library files will reside?'
. ./getfile
-if $test "X$privlibexp" != "X$ansexp"; then
- installprivlib=''
-fi
privlib="$ans"
privlibexp="$ansexp"
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-private files reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
- case "$installprivlib" in
- '') dflt=`echo $privlibexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installprivlib";;
- esac
- fn=de~
- rp='Where will private files be installed?'
- . ./getfile
- installprivlib="$ans"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installprivlib=`echo $privlibexp | sed "s#^$prefix#$installprefix#"`
else
installprivlib="$privlibexp"
fi
*) dflt="$archlib"
;;
esac
-cat <<EOM
+$cat <<EOM
$spackage contains architecture-dependent library files. If you are
sharing libraries in a heterogeneous environment, you might store
. ./getfile
archlib="$ans"
archlibexp="$ansexp"
-
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in
-which architecture-dependent library files reside from the directory
-in which they are installed (and from which they are presumably copied
-to the former directory by occult means).
-
-EOM
- case "$installarchlib" in
- '') dflt=`echo $archlibexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installarchlib";;
- esac
- fn=de~
- rp='Where will architecture-dependent library files be installed?'
- . ./getfile
- installarchlib="$ans"
-else
- installarchlib="$archlibexp"
-fi
if $test X"$archlib" = X"$privlib"; then
d_archlib="$undef"
else
d_archlib="$define"
fi
-
-: make some quick guesses about what we are up against
-echo " "
-$echo $n "Hmm... $c"
-echo exit 1 >bsd
-echo exit 1 >usg
-echo exit 1 >v7
-echo exit 1 >osf1
-echo exit 1 >eunice
-echo exit 1 >xenix
-echo exit 1 >venix
-echo exit 1 >os2
-d_bsd="$undef"
-$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
-if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
-then
- echo "Looks kind of like an OSF/1 system, but we'll see..."
- echo exit 0 >osf1
-elif test `echo abc | tr a-z A-Z` = Abc ; then
- xxx=`./loc addbib blurfl $pth`
- if $test -f $xxx; then
- echo "Looks kind of like a USG system with BSD features, but we'll see..."
- echo exit 0 >bsd
- echo exit 0 >usg
- else
- if $contains SIGTSTP foo >/dev/null 2>&1 ; then
- echo "Looks kind of like an extended USG system, but we'll see..."
- else
- echo "Looks kind of like a USG system, but we'll see..."
- fi
- echo exit 0 >usg
- fi
-elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
- echo "Looks kind of like a BSD system, but we'll see..."
- d_bsd="$define"
- echo exit 0 >bsd
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installarchlib=`echo $archlibexp | sed "s#^$prefix#$installprefix#"`
else
- echo "Looks kind of like a Version 7 system, but we'll see..."
- echo exit 0 >v7
+ installarchlib="$archlibexp"
fi
-case "$eunicefix" in
-*unixtovms*)
- $cat <<'EOI'
-There is, however, a strange, musty smell in the air that reminds me of
-something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
-EOI
- echo exit 0 >eunice
- d_eunice="$define"
-: it so happens the Eunice I know will not run shell scripts in Unix format
- ;;
-*)
- echo " "
- echo "Congratulations. You aren't running Eunice."
- d_eunice="$undef"
+
+
+: Binary compatibility with 5.005 is not possible for builds
+: with advanced features
+case "$usethreads$usemultiplicity" in
+*define*)
+ bincompat5005="$undef"
+ d_bincompat5005="$undef"
;;
-esac
-: Detect OS2. The p_ variable is set above in the Head.U unit.
-case "$p_" in
-:) ;;
-*)
- $cat <<'EOI'
-I have the feeling something is not exactly right, however...don't tell me...
-lemme think...does HAL ring a bell?...no, of course, you're only running OS/2!
-EOI
- echo exit 0 >os2
+*) $cat <<EOM
+
+Perl 5.006 can be compiled for binary compatibility with 5.005.
+If you decide to do so, you will be able to continue using most
+of the extensions that were compiled for Perl 5.005.
+
+EOM
+ case "$bincompat5005$d_bincompat5005" in
+ *"$undef"*) dflt=n ;;
+ *) dflt=y ;;
+ esac
+ rp='Binary compatibility with Perl 5.005?'
+ . ./myread
+ case "$ans" in
+ y*) val="$define" ;;
+ *) val="$undef" ;;
+ esac
+ set d_bincompat5005
+ eval $setvar
+ case "$d_bincompat5005" in
+ "$define")
+ bincompat5005="$define"
+ ;;
+ *) bincompat5005="$undef"
+ d_bincompat5005="$undef"
+ ;;
+ esac
;;
esac
-if test -f /xenix; then
- echo "Actually, this looks more like a XENIX system..."
- echo exit 0 >xenix
- d_xenix="$define"
-else
- echo " "
- echo "It's not Xenix..."
- d_xenix="$undef"
-fi
-chmod +x xenix
-$eunicefix xenix
-if test -f /venix; then
- echo "Actually, this looks more like a VENIX system..."
- echo exit 0 >venix
-else
- echo " "
- if ./xenix; then
- : null
- else
- echo "Nor is it Venix..."
- fi
-fi
-chmod +x bsd usg v7 osf1 eunice xenix venix os2
-$eunicefix bsd usg v7 osf1 eunice xenix venix os2
-$rm -f foo
+
: see if setuid scripts can be secure
$cat <<EOM
set d_dosuid
eval $setvar
-: determine where manual pages are on this system
+: What should the include directory be ?
echo " "
-case "$sysman" in
-'')
- syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1'
- syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1"
- syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1"
- syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
- syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1"
- sysman=`./loc . /usr/man/man1 $syspath`
+$echo $n "Hmm... $c"
+dflt='/usr/include'
+incpath=''
+mips_type=''
+if $test -f /bin/mips && /bin/mips; then
+ echo "Looks like a MIPS system..."
+ $cat >usr.c <<'EOCP'
+#ifdef SYSTYPE_BSD43
+/bsd43
+#endif
+EOCP
+ if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
+ dflt='/bsd43/usr/include'
+ incpath='/bsd43'
+ mips_type='BSD 4.3'
+ else
+ mips_type='System V'
+ fi
+ $rm -f usr.c usr.out
+ echo "and you're compiling with the $mips_type compiler and libraries."
+ xxx_prompt=y
+ echo "exit 0" >mips
+else
+ echo "Doesn't look like a MIPS system."
+ xxx_prompt=n
+ echo "exit 1" >mips
+fi
+chmod +x mips
+$eunicefix mips
+case "$usrinc" in
+'') ;;
+*) dflt="$usrinc";;
+esac
+case "$xxx_prompt" in
+y) fn=d/
+ echo " "
+ rp='Where are the include files you want to use?'
+ . ./getfile
+ usrinc="$ans"
+ ;;
+*) usrinc="$dflt"
;;
esac
-if $test -d "$sysman"; then
- echo "System manual is in $sysman." >&4
+
+: see how we invoke the C preprocessor
+echo " "
+echo "Now, how can we feed standard input to your C preprocessor..." >&4
+cat <<'EOT' >testcpp.c
+#define ABC abc
+#define XYZ xyz
+ABC.XYZ
+EOT
+cd ..
+if test ! -f cppstdin; then
+ if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
+ # AIX cc -E doesn't show the absolute headerfile
+ # locations but we'll cheat by using the -M flag.
+ echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
+ else
+ echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
+ fi
else
- echo "Could not find manual pages in source form." >&4
+ echo "Keeping your $hint cppstdin wrapper."
fi
-
-: see what memory models we can support
-case "$models" in
-'')
- $cat >pdp11.c <<'EOP'
-int main() {
-#ifdef pdp11
- exit(0);
-#else
- exit(1);
-#endif
-}
-EOP
- ( cc -o pdp11 pdp11.c ) >/dev/null 2>&1
- if $test -f pdp11 && ./pdp11 2>/dev/null; then
- dflt='unsplit split'
- else
- tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge`
- case "$tans" in
- X) dflt='none';;
- *) if $test -d /lib/small || $test -d /usr/lib/small; then
- dflt='small'
- else
- dflt=''
- fi
- if $test -d /lib/medium || $test -d /usr/lib/medium; then
- dflt="$dflt medium"
- fi
- if $test -d /lib/large || $test -d /usr/lib/large; then
- dflt="$dflt large"
- fi
- if $test -d /lib/huge || $test -d /usr/lib/huge; then
- dflt="$dflt huge"
- fi
- esac
- fi;;
-*) dflt="$models";;
-esac
-$cat <<EOM
-
-Some systems have different model sizes. On most systems they are called
-small, medium, large, and huge. On the PDP11 they are called unsplit and
-split. If your system doesn't support different memory models, say "none".
-If you wish to force everything to one memory model, say "none" here and
-put the appropriate flags later when it asks you for other cc and ld flags.
-Venix systems may wish to put "none" and let the compiler figure things out.
-(In the following question multiple model names should be space separated.)
-
-The default for most systems is "none".
-
-EOM
-rp="Which memory models are supported?"
-. ./myread
-models="$ans"
-
-case "$models" in
-none)
- small=''
- medium=''
- large=''
- huge=''
- unsplit=''
- split=''
- ;;
-*split)
- case "$split" in
- '') if $contains '\-i' $sysman/ld.1 >/dev/null 2>&1 || \
- $contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then
- dflt='-i'
- else
- dflt='none'
- fi;;
- *) dflt="$split";;
- esac
- rp="What flag indicates separate I and D space?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';;
- esac
- split="$tans"
- unsplit='';;
-*large*|*small*|*medium*|*huge*)
- case "$models" in
- *large*)
- case "$large" in
- '') dflt='-Ml';;
- *) dflt="$large";;
- esac
- rp="What flag indicates large model?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';
- esac
- large="$tans";;
- *) large='';;
- esac
- case "$models" in
- *huge*) case "$huge" in
- '') dflt='-Mh';;
- *) dflt="$huge";;
- esac
- rp="What flag indicates huge model?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';
- esac
- huge="$tans";;
- *) huge="$large";;
- esac
- case "$models" in
- *medium*) case "$medium" in
- '') dflt='-Mm';;
- *) dflt="$medium";;
- esac
- rp="What flag indicates medium model?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';
- esac
- medium="$tans";;
- *) medium="$large";;
- esac
- case "$models" in
- *small*) case "$small" in
- '') dflt='none';;
- *) dflt="$small";;
- esac
- rp="What flag indicates small model?"
- . ./myread
- tans="$ans"
- case "$tans" in
- none) tans='';
- esac
- small="$tans";;
- *) small='';;
- esac
- ;;
-*)
- echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4
- ;;
-esac
-$rm -f pdp11.* pdp11
-
-: see if we need a special compiler
-echo " "
-if ./usg; then
- case "$cc" in
- '') case "$Mcc" in
- /*) dflt='Mcc';;
- *) case "$large" in
- -M*) dflt='cc';;
- *) if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then
- if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then
- dflt='cc'
- else
- dflt='cc -M'
- fi
- else
- dflt='cc'
- fi;;
- esac;;
- esac;;
- *) dflt="$cc";;
- esac
- case "$dflt" in
- *M*) $cat <<'EOM'
-On some older systems the default C compiler will not resolve multiple global
-references that happen to have the same name. On some such systems the "Mcc"
-command may be used to force these to be resolved. On other systems a "cc -M"
-command is required. (Note that the -M flag on other systems indicates a
-memory model to use!) If you have the Gnu C compiler, you might wish to use
-that instead.
-
-EOM
- ;;
- esac
- rp="Use which C compiler?"
- . ./myread
- cc="$ans"
-else
- case "$cc" in
- '') dflt=cc;;
- *) dflt="$cc";;
- esac
- rp="Use which C compiler?"
- . ./myread
- cc="$ans"
-fi
-: Look for a hint-file generated 'call-back-unit'. Now that the
-: user has specified the compiler, we may need to set or change some
-: other defaults.
-if $test -f cc.cbu; then
- . ./cc.cbu
-fi
-echo " "
-echo "Checking for GNU cc in disguise and/or its version number..." >&4
-$cat >gccvers.c <<EOM
-#include <stdio.h>
-int main() {
-#ifdef __GNUC__
-#ifdef __VERSION__
- printf("%s\n", __VERSION__);
-#else
- printf("%s\n", "1");
-#endif
-#endif
- exit(0);
-}
-EOM
-if $cc -o gccvers gccvers.c >/dev/null 2>&1; then
- gccversion=`./gccvers`
- case "$gccversion" in
- '') echo "You are not using GNU cc." ;;
- *) echo "You are using GNU cc $gccversion." ;;
- esac
-else
- echo " "
- echo "*** WHOA THERE!!! ***" >&4
- echo " Your C compiler \"$cc\" doesn't seem to be working!" >&4
- case "$knowitall" in
- '')
- echo " You'd better start hunting for one and let me know about it." >&4
- exit 1
- ;;
- esac
-fi
-$rm -f gccvers*
-case "$gccversion" in
-1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
-esac
-
-: What should the include directory be ?
-echo " "
-$echo $n "Hmm... $c"
-dflt='/usr/include'
-incpath=''
-mips_type=''
-if $test -f /bin/mips && /bin/mips; then
- echo "Looks like a MIPS system..."
- $cat >usr.c <<'EOCP'
-#ifdef SYSTYPE_BSD43
-/bsd43
-#endif
-EOCP
- if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
- dflt='/bsd43/usr/include'
- incpath='/bsd43'
- mips_type='BSD 4.3'
- else
- mips_type='System V'
- fi
- $rm -f usr.c usr.out
- echo "and you're compiling with the $mips_type compiler and libraries."
- xxx_prompt=y
- echo "exit 0" >mips
-else
- echo "Doesn't look like a MIPS system."
- xxx_prompt=n
- echo "exit 1" >mips
-fi
-chmod +x mips
-$eunicefix mips
-case "$usrinc" in
-'') ;;
-*) dflt="$usrinc";;
-esac
-case "$xxx_prompt" in
-y) fn=d/
- echo " "
- rp='Where are the include files you want to use?'
- . ./getfile
- usrinc="$ans"
- ;;
-*) usrinc="$dflt"
- ;;
-esac
-
-: see how we invoke the C preprocessor
-echo " "
-echo "Now, how can we feed standard input to your C preprocessor..." >&4
-cat <<'EOT' >testcpp.c
-#define ABC abc
-#define XYZ xyz
-ABC.XYZ
-EOT
-cd ..
-if test ! -f cppstdin; then
- echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
-else
- echo "Keeping your $hint cppstdin wrapper."
-fi
-chmod 755 cppstdin
-wrapper=`pwd`/cppstdin
-ok='false'
-cd UU
+chmod 755 cppstdin
+wrapper=`pwd`/cppstdin
+ok='false'
+cd UU
if $test "X$cppstdin" != "X" && \
$cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
'') firstmakefile='makefile';;
esac
+cat <<EOM
+
+Perl can be built to use the SOCKS proxy protocol library. To do so,
+Configure must be run with -Dusesocks.
+
+Normally you do not need this and you should answer no.
+
+EOM
+case "$usesocks" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Build Perl for SOCKS?'
+. ./myread
+case "$ans" in
+y|Y) val="$define" ;;
+*) val="$undef" ;;
+esac
+set usesocks
+eval $setvar
+
: Looking for optional libraries
echo " "
echo "Checking for optional libraries..." >&4
case "$libswanted" in
'') libswanted='c_s';;
esac
+case "$usesocks" in
+$define)
+ libswanted="$libswanted socks5 socks5_sh"
+ ;;
+esac
for thislib in $libswanted; do
if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`;
esac
$cat <<EOM
-
-Some versions of Unix support shared libraries, which make executables smaller
-but make load time slightly longer.
-On some systems, mostly System V Release 3's, the shared library is included
-by putting the option "-lc_s" as the last thing on the cc command line when
-linking. Other systems use shared libraries by default. There may be other
-libraries needed to compile $package on your machine as well. If your system
-needs the "-lc_s" option, include it here. Include any other special libraries
-here as well. Say "none" for none.
+In order to compile $package on your machine, a number of libraries
+are usually needed. Include any other special libraries here as well.
+Say "none" for none. The default list is almost always right.
EOM
echo " "
-rp="Any additional libraries?"
+rp="What libraries to use?"
. ./myread
case "$ans" in
none) libs=' ';;
*) libs="$ans";;
esac
-: determine optimize, if desired, or use for debug flag also
+: determine optimization, if desired, or use for debug flag also
case "$optimize" in
' '|$undef) dflt='none';;
'') dflt='-O';;
esac
$cat <<EOH
-Some C compilers have problems with their optimizers. By default, $package
-compiles with the -O flag to use the optimizer. Alternately, you might want
-to use the symbolic debugger, which uses the -g flag (on traditional Unix
-systems). Either flag can be specified here. To use neither flag, specify
-the word "none".
+By default, $package compiles with the -O flag to use the optimizer.
+Alternately, you might want to use the symbolic debugger, which uses
+the -g flag (on traditional Unix systems). Either flag can be
+specified here. To use neither flag, specify the word "none".
EOH
rp="What optimizer/debugger flag should be used?"
: We will not override a previous value, but we might want to
: augment a hint file
case "$hint" in
-none|recommended)
+default|recommended)
case "$gccversion" in
1*) dflt='-fpcc-struct-return' ;;
esac
fi
;;
esac
+ case "$gccversion" in
+ 1*) ;;
+ 2.[0-8]*) ;;
+ ?*) echo " "
+ echo "Checking if your compiler accepts -fno-strict-aliasing" 2>&1
+ echo 'int main(void) { return 0; }' > gcctest.c
+ if $cc -O2 -fno-strict-aliasing -o gcctest gcctest.c; then
+ echo "Yes, it does." 2>&1
+ case "$ccflags" in
+ *strict-aliasing*)
+ echo "Leaving current flags $ccflags alone." 2>&1
+ ;;
+ *) dflt="$dflt -fno-strict-aliasing" ;;
+ esac
+ else
+ echo "Nope, it doesn't, but that's ok." 2>&1
+ fi
+ ;;
+ esac
;;
esac
set signal.h LANGUAGE_C; eval $inctest
+case "$usesocks" in
+$define)
+ ccflags="$ccflags -DSOCKS"
+ ;;
+esac
+
case "$hint" in
-none|recommended) dflt="$ccflags $dflt" ;;
+default|recommended) dflt="$ccflags $dflt" ;;
*) dflt="$ccflags";;
esac
while read cline; do
name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\`
case "\$name" in
- *[/\\\\]\$wanted) echo "\$name"; exit 0;;
- *) name='';;
+ *[/\\\\]\$wanted) echo "\$name"; exit 1;;
+ *[\\\\/]\$wanted) echo "\$name"; exit 1;;
+ *) exit 2;;
esac;
done;
+#
+# status = 0: grep returned 0 lines, case statement not executed
+# status = 1: headerfile found
+# status = 2: while loop executed, no headerfile found
+#
+status=\$?
$rm -f foo\$\$.c;
-case "\$name" in
-'') exit 1;;
-esac
+if test \$status -eq 1; then
+ exit 0;
+fi
+exit 1
EOF
chmod +x findhdr
esac
echo "Your system uses $freetype free(), it would seem." >&4
$rm -f malloc.[co]
+$cat <<EOM
+
+The installation process will also create a directory for
+vendor-supplied add-ons. Vendors who supply perl with their system
+may find it convenient to place all vendor-supplied files in this
+directory rather than in the main distribution directory. This will
+ease upgrades between binary-compatible maintenance versions of perl.
+
+Of course you may also use these directories in whatever way you see
+fit. For example, you might use them to access modules shared over a
+company-wide network.
+
+The default answer should be fine for most people.
+This causes further questions about vendor add-ons to be skipped
+and no vendor-specific directories will be configured for perl.
+
+EOM
+rp='Do you want to configure vendor-specific add-on directories?'
+case "$usevendorprefix" in
+define|true|[yY]*) dflt=y ;;
+*) dflt=n ;;
+esac
+. ./myread
+case "$ans" in
+[yY]*) fn=d~+
+ rp='Installation prefix to use for vendor-supplied add-ons?'
+ case "$vendorprefix" in
+ '') dflt='' ;;
+ *) dflt=$vendorprefix ;;
+ esac
+ . ./getfile
+ oldvendorprefix=''
+ case "$vendorprefix" in
+ '') ;;
+ *) case "$ans" in
+ "$prefix") ;;
+ *) oldvendorprefix="$prefix";;
+ esac
+ ;;
+ esac
+ usevendorprefix="$define"
+ vendorprefix="$ans"
+ vendorprefixexp="$ansexp"
+ ;;
+*) usevendorprefix="$undef"
+ vendorprefix=''
+ vendorprefixexp=''
+ ;;
+esac
+
+case "$vendorprefix" in
+'') d_vendorlib="$undef"
+ vendorlib=''
+ vendorlibexp=''
+ ;;
+*) d_vendorlib="$define"
+ : determine where vendor-supplied modules go.
+ : Usual default is /usr/local/lib/perl5/vendor_perl
+ prog=`echo $package | $sed 's/-*[0-9.]*$//'`
+ case "$installstyle" in
+ *lib/perl5*) dflt=$vendorprefix/lib/$package/vendor_$prog ;;
+ *) dflt=$vendorprefix/lib/vendor_$prog ;;
+ esac
+ fn=d~+
+ rp='Pathname for the vendor-supplied library files?'
+ . ./getfile
+ vendorlib="$ans"
+ vendorlibexp="$ansexp"
+ : Change installation prefix, if necessary.
+ if $test X"$prefix" != X"$installprefix"; then
+ installvendorlib=`echo $vendorlibexp | $sed "s#^$prefix#$installprefix#"`
+ else
+ installvendorlib="$vendorlibexp"
+ fi
+ ;;
+esac
+
: Cruising for prototypes
echo " "
echo "Checking out function prototypes..." >&4
fi
bin="$ans"
binexp="$ansexp"
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in which
-executables reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
- case "$installbin" in
- '') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installbin";;
- esac
- fn=de~
- rp='Where will public executables be installed?'
- . ./getfile
- installbin="$ans"
+: Change installation prefix, if necessary.
+: XXX Bug? -- ignores Configure -Dinstallprefix setting.
+if $test X"$prefix" != X"$installprefix"; then
+ installbin=`echo $binexp | sed "s#^$prefix#$installprefix#"`
else
installbin="$binexp"
fi
: determine whether to install perl also as /usr/bin/perl
echo " "
-if test -d /usr/bin -a "X$installbin" != X/usr/bin; then
+if $test -d /usr/bin -a "X$installbin" != X/usr/bin; then
$cat <<EOM
Many scripts expect to perl to be installed as /usr/bin/perl.
I can install the perl you are about to compile also as /usr/bin/perl
tdir=`pwd`; cd $rsrc; $ls -C $dldir/dl*.xs; cd $tdir
rp="Source file to use for dynamic loading"
fn="fne"
- # XXX This getfile call will fail the existence check if you try
- # building away from $src (this is not supported yet).
+ gfpth="$src"
. ./getfile
usedl="$define"
: emulate basename
. ./myread
case "$ans" in
true|$define|[Yy]*)
- useshrplib='true'
- # Why does next4 have to be so different?
- case "${osname}${osvers}" in
- next4*|rhapsody*)
- xxx='DYLD_LIBRARY_PATH' ;;
- os2*) xxx='' ;; # Nothing special needed.
- beos*) xxx='' ;;
- *) xxx='LD_LIBRARY_PATH' ;;
- esac
- ;;
+ useshrplib='true' ;;
*) useshrplib='false' ;;
esac
;;
;;
esac
fi
+# Fix ccdlflags in AIX for building external extensions.
+# (For building Perl itself bare -bE:perl.exp is needed,
+# Makefile.SH takes care of this.)
+case "$osname" in
+aix) ccdlflags="$ccdlflags -bE:$installarchlib/CORE/perl.exp" ;;
+esac
# Respect a hint or command-line value.
case "$shrpenv" in
'') shrpenv="$tmp_shrpenv" ;;
esac
+case "$ldlibpthname" in
+'') ldlibpthname=LD_LIBRARY_PATH ;;
+none) ldlibpthname='' ;;
+esac
: determine where manual pages go
set man1dir man1dir none
man1dir="$ans"
man1direxp="$ansexp"
case "$man1dir" in
-'') man1dir=' '
+'') man1dir=' '
installman1dir='';;
esac
-if $afs; then
- $cat <<EOM
-Since you are running AFS, I need to distinguish the directory in which
-manual pages reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
- case "$installman1dir" in
- '') dflt=`echo $man1direxp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installman1dir";;
- esac
- fn=de~
- rp='Where will man pages be installed?'
- . ./getfile
- installman1dir="$ans"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installman1dir=`echo $man1direxp | $sed "s#^$prefix#$installprefix#"`
else
installman1dir="$man1direxp"
fi
echo "If you don't want the manual sources installed, answer 'none'."
prog=`echo $package | $sed 's/-*[0-9.]*$//'`
case "$man3dir" in
-'') case "$prefix" in
- *$prog*) dflt=`echo $man1dir |
- $sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'` ;;
- *) dflt="$privlib/man/man3" ;;
- esac
+'') dflt=`echo $man1dir | $sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'`
+ if $test -d "$privlib/man/man3"; then
+ cat <<EOM >&4
+
+WARNING: Previous versions of perl installed man3 pages into
+$privlib/man/man3. This version will suggest a
+new default of $dflt.
+EOM
+ tdflt=$dflt
+ dflt='n'
+ rp='Do you wish to preserve the old behavior?(y/n)'
+ . ./myread
+ case "$ans" in
+ y*) dflt="$privlib/man/man3" ;;
+ *) dflt=$tdflt ;;
+ esac
+ fi
;;
' ') dflt=none;;
*) dflt="$man3dir" ;;
esac
echo " "
-
fn=dn+~
rp="Where do the $package library man pages (source) go?"
. ./getfile
-if test "X$man3direxp" != "X$ansexp"; then
- installman3dir=''
-fi
-
man3dir="$ans"
man3direxp="$ansexp"
-case "$man3dir" in
-'') man3dir=' '
+case "$man1dir" in
+'') man3dir=' '
installman3dir='';;
esac
-if $afs; then
- $cat <<EOM
-Since you are running AFS, I need to distinguish the directory in which
-manual pages reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
-
-EOM
- case "$installman3dir" in
- '') dflt=`echo $man3direxp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installman3dir";;
- esac
- fn=de~
- rp='Where will man pages be installed?'
- . ./getfile
- installman3dir="$ans"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installman3dir=`echo $man3direxp | $sed "s#^$prefix#$installprefix#"`
else
installman3dir="$man3direxp"
fi
: What suffix to use on installed man pages
-
case "$man3dir" in
' ')
man3ext='0'
dflt="$bin"
: guess some guesses
$test -d /usr/share/scripts && dflt=/usr/share/scripts
- $test -d /usr/share/bin && dflt=/usr/share/bin
- $test -d /usr/local/script && dflt=/usr/local/script
- $test -d $prefixexp/script && dflt=$prefixexp/script
+ $test -d /usr/share/bin && dflt=/usr/share/bin
+ $test -d /usr/local/script && dflt=/usr/local/script
+ $test -d /usr/local/scripts && dflt=/usr/local/scripts
+ $test -d $prefixexp/script && dflt=$prefixexp/script
set dflt
eval $prefixup
;;
fi
scriptdir="$ans"
scriptdirexp="$ansexp"
-if $afs; then
- $cat <<EOM
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installscript=`echo $scriptdirexp | sed "s#^$prefix#$installprefix#"`
+else
+ installscript="$scriptdirexp"
+fi
-Since you are running AFS, I need to distinguish the directory in which
-scripts reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
+$cat <<EOM
+
+After $package is installed, you may wish to install various
+add-on modules and utilities. Typically, these add-ons will
+be installed under $prefix with the rest
+of this package. However, you may wish to install such add-ons
+elsewhere under a different prefix.
+
+If you do not wish to put everything under a single prefix, that's
+ok. You will be prompted for the individual locations; this siteprefix
+is only used to suggest the defaults.
+
+The default should be fine for most people.
EOM
- case "$installscript" in
- '') dflt=`echo $scriptdirexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installscript";;
+fn=d~+
+rp='Installation prefix to use for add-on modules and utilities?'
+: XXX Here might be another good place for an installstyle setting.
+case "$siteprefix" in
+'') dflt=$prefix ;;
+*) dflt=$siteprefix ;;
+esac
+. ./getfile
+oldsiteprefix=''
+case "$siteprefix" in
+'') ;;
+*)
+ case "$ans" in
+ "$prefix") ;;
+ *) oldsiteprefix="$prefix";;
esac
- fn=de~
- rp='Where will public scripts be installed?'
- . ./getfile
- installscript="$ans"
-else
- installscript="$scriptdirexp"
-fi
+ ;;
+esac
+siteprefix="$ans"
+siteprefixexp="$ansexp"
: determine where site specific libraries go.
-: Usual default is /usr/local/lib/perl5/site_perl/$apiversion
+: Usual default is /usr/local/lib/perl5/site_perl
+: The default "style" setting is made in installstyle.U
+: XXX No longer works with Prefixit stuff.
prog=`echo $package | $sed 's/-*[0-9.]*$//'`
-case "$prefix" in
-*perl*) set dflt sitelib lib/site_$prog/$apiversion ;;
-*) set dflt sitelib lib/$package/site_$prog/$apiversion ;;
+case "$installstyle" in
+*lib/perl5*) dflt=$siteprefix/lib/site_$prog ;;
+*) dflt=$siteprefix/lib/site_$prog ;;
esac
-eval $prefixit
$cat <<EOM
-The installation process will also create a directory for
-site-specific extensions and modules. Some users find it convenient
+The installation process will create a directory for
+site-specific extensions and modules. Most users find it convenient
to place all site-specific files in this directory rather than in the
main distribution directory.
fn=d~+
rp='Pathname for the site-specific library files?'
. ./getfile
-if $test "X$sitelibexp" != "X$ansexp"; then
- installsitelib=''
-fi
sitelib="$ans"
sitelibexp="$ansexp"
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in
-which site-specific files reside from the directory in which they are
-installed (and from which they are presumably copied to the former
-directory by occult means).
-
-EOM
- case "$installsitelib" in
- '') dflt=`echo $sitelibexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installsitelib";;
- esac
- fn=de~
- rp='Where will site-specific files be installed?'
- . ./getfile
- installsitelib="$ans"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installsitelib=`echo $sitelibexp | sed "s#^$prefix#$installprefix#"`
else
installsitelib="$sitelibexp"
fi
: determine where site specific architecture-dependent libraries go.
-: sitelib default is /usr/local/lib/perl5/site_perl/$apiversion
+: sitelib default is /usr/local/lib/perl5/site_perl/
: sitearch default is /usr/local/lib/perl5/site_perl/$apiversion/$archname
: sitelib may have an optional trailing /share.
tdflt=`echo $sitelib | $sed 's,/share$,,'`
-tdflt="$tdflt/$archname"
+tdflt="$tdflt/$apiversion/$archname"
set sitearch sitearch none
eval $prefixit
case "$sitearch" in
fn=nd~+
rp='Pathname for the site-specific architecture-dependent library files?'
. ./getfile
-if $test "X$sitearchexp" != "X$ansexp"; then
- installsitearch=''
-fi
sitearch="$ans"
sitearchexp="$ansexp"
-if $afs; then
- $cat <<EOM
-
-Since you are running AFS, I need to distinguish the directory in
-which site-specific architecture-dependent library files reside from
-the directory in which they are installed (and from which they are
-presumably copied to the former directory by occult means).
-
-EOM
- case "$installsitearch" in
- '') dflt=`echo $sitearchexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installsitearch";;
- esac
- fn=de~
- rp='Where will site-specific architecture-dependent files be installed?'
- . ./getfile
- installsitearch="$ans"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installsitearch=`echo $sitearchexp | sed "s#^$prefix#$installprefix#"`
else
installsitearch="$sitearchexp"
fi
+: determine where add-on public executables go
+case "$sitebin" in
+'') dflt=$siteprefix/bin ;;
+*) dflt=$sitebin ;;
+esac
+fn=d~
+rp='Pathname where the add-on public executables should be installed?'
+. ./getfile
+sitebin="$ans"
+sitebinexp="$ansexp"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installsitebin=`echo $sitebinexp | sed "s#^$prefix#$installprefix#"`
+else
+ installsitebin="$sitebinexp"
+fi
+
+cat <<EOM
+
+Perl can be built to take advantage of long doubles which
+(if available) may give more accuracy and range for floating point numbers.
+
+If this doesn't make any sense to you, just accept the default 'n'.
+EOM
+
+case "$ccflags" in
+*-DUSE_LONG_DOUBLE*|*-DUSE_MORE_BITS*) uselongdouble="$define" ;;
+esac
+
+case "$uselongdouble" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Try to use long doubles if available?'
+. ./myread
+case "$ans" in
+y|Y) val="$define" ;;
+*) val="$undef" ;;
+esac
+set uselongdouble
+eval $setvar
+
+case "$uselongdouble" in
+true|[yY]*) uselongdouble="$define" ;;
+esac
+
+case "$uselongdouble" in
+$define)
+: Look for a hint-file generated 'call-back-unit'. If the
+: user has specified that long doubles should be used,
+: we may need to set or change some other defaults.
+ if $test -f uselongdouble.cbu; then
+ echo "Your platform has some specific hints for long doubles, using them..."
+ . ./uselongdouble.cbu
+ else
+ $cat <<EOM
+(Your platform doesn't have any specific hints for long doubles.)
+EOM
+ fi
+ ;;
+esac
+
+cat <<EOM
+
+Perl can be built to take advantage of long longs which
+(if available) may give more range for integer numbers.
+
+If this doesn't make any sense to you, just accept the default 'n'.
+EOM
+
+case "$ccflags" in
+*-DUSE_LONG_LONG*) uselonglong="$define" ;;
+esac
+
+case "$uselonglong" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Try to use long longs if available?'
+. ./myread
+case "$ans" in
+y|Y) val="$define" ;;
+*) val="$undef" ;;
+esac
+set uselonglong
+eval $setvar
+
+case "$uselonglong" in
+true|[yY]*) uselonglong="$define" ;;
+esac
+
+case "$uselonglong" in
+$define)
+: Look for a hint-file generated 'call-back-unit'. If the
+: user has specified that long longs should be used,
+: we may need to set or change some other defaults.
+ if $test -f uselonglong.cbu; then
+ echo "Your platform has some specific hints for long longs, using them..."
+ . ./uselonglong.cbu
+ else
+ $cat <<EOM
+(Your platform doesn't have any specific hints for long longs.)
+EOM
+ fi
+ ;;
+esac
+
cat <<EOM
Previous version of $package used the standard IO mechanisms as defined
set useperlio
eval $setvar
+case "$vendorprefix" in
+'') d_vendorbin="$undef"
+ vendorbin=''
+ vendorbinexp=''
+ ;;
+*) d_vendorbin="$define"
+ : determine where vendor-supplied executables go.
+ dflt=$vendorprefix/bin
+ fn=d~+
+ rp='Pathname for the vendor-supplied executables directory?'
+ . ./getfile
+ vendorbin="$ans"
+ vendorbinexp="$ansexp"
+ : Change installation prefix, if necessary.
+ if $test X"$prefix" != X"$installprefix"; then
+ installvendorbin=`echo $vendorbinexp | $sed "s#^$prefix#$installprefix#"`
+ else
+ installvendorbin="$vendorbinexp"
+ fi
+ ;;
+esac
+
: Check how to convert floats to strings.
if test "X$d_Gconvert" = X; then
echo " "
}
}
-int main()
-{
- char buf[64];
- buf[63] = '\0';
+int main()
+{
+ char buf[64];
+ buf[63] = '\0';
+
+ /* This must be 1st test on (which?) platform */
+ /* Alan Burlison <AlanBurlsin@unn.unisys.com> */
+ Gconvert(0.1, 8, 0, buf);
+ checkit("0.1", buf);
+
+ Gconvert(1.0, 8, 0, buf);
+ checkit("1", buf);
+
+ Gconvert(0.0, 8, 0, buf);
+ checkit("0", buf);
+
+ Gconvert(-1.0, 8, 0, buf);
+ checkit("-1", buf);
+
+ /* Some Linux gcvt's give 1.e+5 here. */
+ Gconvert(100000.0, 8, 0, buf);
+ checkit("100000", buf);
+
+ /* Some Linux gcvt's give -1.e+5 here. */
+ Gconvert(-100000.0, 8, 0, buf);
+ checkit("-100000", buf);
+
+ exit(0);
+}
+EOP
+ case "$d_Gconvert" in
+ gconvert*) xxx_list='gconvert gcvt sprintf' ;;
+ gcvt*) xxx_list='gcvt gconvert sprintf' ;;
+ sprintf*) xxx_list='sprintf gconvert gcvt' ;;
+ *) xxx_list='gconvert gcvt sprintf' ;;
+ esac
+
+ for xxx_convert in $xxx_list; do
+ echo "Trying $xxx_convert"
+ $rm -f try try$_o
+ set try -DTRY_$xxx_convert
+ if eval $compile; then
+ echo "$xxx_convert" found. >&4
+ if ./try; then
+ echo "I'll use $xxx_convert to convert floats into a string." >&4
+ break;
+ else
+ echo "...But $xxx_convert didn't work as I expected."
+ fi
+ else
+ echo "$xxx_convert NOT found." >&4
+ fi
+ done
+
+ case "$xxx_convert" in
+ gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;;
+ gcvt) d_Gconvert='gcvt((x),(n),(b))' ;;
+ *) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;;
+ esac
+fi
+
+: check for length of double
+echo " "
+case "$doublesize" in
+'')
+ $echo $n "Checking to see how big your double precision numbers are...$c" >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", (int)sizeof(double));
+ exit(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ doublesize=`./try`
+ $echo " $doublesize bytes." >&4
+ else
+ dflt='8'
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of a double precision number (in bytes)?"
+ . ./myread
+ doublesize="$ans"
+ fi
+ ;;
+esac
+$rm -f try.c try
+
+: check for long doubles
+echo " "
+$echo $n "Checking to see if your system supports long double..." $c >&4
+echo 'int main() { long double x = 7.0; }' > try.c
+set try
+if eval $compile; then
+ val="$define"
+ echo " Yes, it does." >&4
+else
+ val="$undef"
+ echo " No, it doesn't." >&4
+fi
+$rm try.*
+set d_longdbl
+eval $setvar
+
+: check for length of long double
+case "${d_longdbl}${longdblsize}" in
+$define)
+ echo " "
+ $echo $n "Checking to see how big your long doubles are..." $c >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", sizeof(long double));
+}
+EOCP
+ set try
+ set try
+ if eval $compile; then
+ longdblsize=`./try$exe_ext`
+ $echo " $longdblsize bytes." >&4
+ else
+ dflt='8'
+ echo " "
+ echo "(I can't seem to compile the test program. Guessing...)" >&4
+ rp="What is the size of a long double (in bytes)?"
+ . ./myread
+ longdblsize="$ans"
+ fi
+ if $test "X$doublesize" = "X$longdblsize"; then
+ echo "(That isn't any different from an ordinary double.)"
+ fi
+ ;;
+esac
+$rm -f try.* try
+
+echo " "
- /* This must be 1st test on (which?) platform */
- /* Alan Burlison <AlanBurlsin@unn.unisys.com> */
- Gconvert(0.1, 8, 0, buf);
- checkit("0.1", buf);
+if $test X"$d_longdbl" = X"$define"; then
- Gconvert(1.0, 8, 0, buf);
- checkit("1", buf);
+echo "Checking how to print long doubles..." >&4
- Gconvert(0.0, 8, 0, buf);
- checkit("0", buf);
+if $test X"$sPRIfldbl" = X -a X"$doublesize" = X"$longdblsize"; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ double d = 123.456;
+ printf("%.3f\n", d);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 123.456)
+ sPRIfldbl='"f"'; sPRIgldbl='"g"'; sPRIeldbl='"e"';
+ sPRIFldbl='"F"'; sPRIGldbl='"G"'; sPRIEldbl='"E"';
+ echo "We will use %f."
+ ;;
+ esac
+ fi
+fi
- Gconvert(-1.0, 8, 0, buf);
- checkit("-1", buf);
+if $test X"$sPRIfldbl" = X; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long double d = 123.456;
+ printf("%.3llf\n", d);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 123.456)
+ sPRIfldbl='"llf"'; sPRIgldbl='"llg"'; sPRIeldbl='"lle"';
+ sPRIFldbl='"llF"'; sPRIGldbl='"llG"'; sPRIEldbl='"llE"';
+ echo "We will use %llf."
+ ;;
+ esac
+ fi
+fi
- /* Some Linux gcvt's give 1.e+5 here. */
- Gconvert(100000.0, 8, 0, buf);
- checkit("100000", buf);
-
- /* Some Linux gcvt's give -1.e+5 here. */
- Gconvert(-100000.0, 8, 0, buf);
- checkit("-100000", buf);
+if $test X"$sPRIfldbl" = X; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long double d = 123.456;
+ printf("%.3Lf\n", d);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 123.456)
+ sPRIfldbl='"Lf"'; sPRIgldbl='"Lg"'; sPRIeldbl='"Le"';
+ sPRIFldbl='"LF"'; sPRIGldbl='"LG"'; sPRIEldbl='"LE"';
+ echo "We will use %Lf."
+ ;;
+ esac
+ fi
+fi
- exit(0);
+if $test X"$sPRIfldbl" = X; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long double d = 123.456;
+ printf("%.3lf\n", d);
}
-EOP
- case "$d_Gconvert" in
- gconvert*) xxx_list='gconvert gcvt sprintf' ;;
- gcvt*) xxx_list='gcvt gconvert sprintf' ;;
- sprintf*) xxx_list='sprintf gconvert gcvt' ;;
- *) xxx_list='gconvert gcvt sprintf' ;;
- esac
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 123.456)
+ sPRIfldbl='"lf"'; sPRIgldbl='"lg"'; sPRIeldbl='"le"';
+ sPRIFldbl='"lF"'; sPRIGldbl='"lG"'; sPRIEldbl='"lE"';
+ echo "We will use %lf."
+ ;;
+ esac
+ fi
+fi
- for xxx_convert in $xxx_list; do
- echo "Trying $xxx_convert"
- $rm -f try try$_o
- set try -DTRY_$xxx_convert
- if eval $compile; then
- echo "$xxx_convert" found. >&4
- if ./try; then
- echo "I'll use $xxx_convert to convert floats into a string." >&4
- break;
- else
- echo "...But $xxx_convert didn't work as I expected."
- fi
- else
- echo "$xxx_convert NOT found." >&4
- fi
- done
-
- case "$xxx_convert" in
- gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;;
- gcvt) d_Gconvert='gcvt((x),(n),(b))' ;;
- *) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;;
- esac
+if $test X"$sPRIfldbl" = X; then
+ echo "Cannot figure out how to print long doubles." >&4
fi
+$rm -f try try.*
+
+fi # d_longdbl
+
+case "$sPRIfldbl" in
+'') d_PRIfldbl="$undef"; d_PRIgldbl="$undef"; d_PRIeldbl="$undef";
+ d_PRIFldbl="$undef"; d_PRIGldbl="$undef"; d_PRIEldbl="$undef";
+ ;;
+*) d_PRIfldbl="$define"; d_PRIgldbl="$define"; d_PRIeldbl="$define";
+ d_PRIFldbl="$define"; d_PRIGldbl="$define"; d_PRIEldbl="$define";
+ ;;
+esac
+
: Initialize h_fcntl
h_fcntl=false
set alarm d_alarm
eval $inlibc
+: see if atolf exists
+set atolf d_atolf
+eval $inlibc
+
+: see if atoll exists
+set atoll d_atoll
+eval $inlibc
+
: Look for GNU-cc style attribute checking
echo " "
echo "Checking whether your compiler can handle __attribute__ ..." >&4
#include <stdio.h>
int main()
{
- printf("intsize=%d;\n", sizeof(int));
- printf("longsize=%d;\n", sizeof(long));
- printf("shortsize=%d;\n", sizeof(short));
+ printf("intsize=%d;\n", (int)sizeof(int));
+ printf("longsize=%d;\n", (int)sizeof(long));
+ printf("shortsize=%d;\n", (int)sizeof(short));
exit(0);
}
EOCP
val="$undef"
val2="$undef"
fi
-set d_vprintf
-eval $setvar
-val=$val2
-set d_charvspr
-eval $setvar
-
-: see if chown exists
-set chown d_chown
-eval $inlibc
-
-: see if chroot exists
-set chroot d_chroot
-eval $inlibc
-
-: see if chsize exists
-set chsize d_chsize
-eval $inlibc
-
-hasfield='varname=$1; struct=$2; field=$3; shift; shift; shift;
-while $test $# -ge 2; do
- case "$1" in
- $define) echo "#include <$2>";;
- esac ;
- shift 2;
-done > try.c;
-echo "int main () { struct $struct foo; foo.$field = 0; }" >> try.c;
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define";
-else
- val="$undef";
-fi;
-set $varname;
-eval $setvar;
-$rm -f try.c try.o'
-
-: see if this is a sys/uio.h system
-set sys/uio.h i_sysuio
-eval $inhdr
-
-echo "Checking to see if your system supports struct iovec..." >&4
-set d_iovec_s iovec iov_base $i_sysuio sys/uio.h
-eval $hasfield
-case "$d_iovec_s" in
-"$define") echo "Yup, it does." >&4
- ;;
-*) echo "Nope, it doesn't." >&4
- ;;
-esac
-
-socketlib=''
-sockethdr=''
-: see whether socket exists
-echo " "
-$echo $n "Hmm... $c" >&4
-if set socket val -f d_socket; eval $csym; $val; then
- echo "Looks like you have Berkeley networking support." >&4
- d_socket="$define"
- if set setsockopt val -f; eval $csym; $val; then
- d_oldsock="$undef"
- else
- echo "...but it uses the old BSD 4.1c interface, rather than 4.2." >&4
- d_oldsock="$define"
- fi
-else
- if $contains socklib libc.list >/dev/null 2>&1; then
- echo "Looks like you have Berkeley networking support." >&4
- d_socket="$define"
- : we will have to assume that it supports the 4.2 BSD interface
- d_oldsock="$undef"
- else
- echo "You don't have Berkeley networking in libc$_a..." >&4
- if test "X$d_socket" = "X$define"; then
- echo "...but you seem to believe that you have sockets." >&4
- else
- for net in net socket
- do
- if test -f /usr/lib/lib$net$_a; then
- ( ($nm $nm_opt /usr/lib/lib$net$_a | eval $nm_extract) || \
- $ar t /usr/lib/lib$net$_a) 2>/dev/null >> libc.list
- if $contains socket libc.list >/dev/null 2>&1; then
- d_socket="$define"
- socketlib="-l$net"
- case "$net" in
- net)
- echo "...but the Wollongong group seems to have hacked it in." >&4
- sockethdr="-I/usr/netinclude"
- ;;
- esac
- echo "Found Berkeley sockets interface in lib$net." >& 4
- if $contains setsockopt libc.list >/dev/null 2>&1; then
- d_oldsock="$undef"
- else
- echo "...using the old BSD 4.1c interface, rather than 4.2." >&4
- d_oldsock="$define"
- fi
- break
- fi
- fi
- done
- if test "X$d_socket" != "X$define"; then
- echo "or anywhere else I see." >&4
- d_socket="$undef"
- d_oldsock="$undef"
- fi
- fi
- fi
-fi
-
-: see if socketpair exists
-set socketpair d_sockpair
-eval $inlibc
-
-
-echo " "
-echo "Checking the availability of certain socket constants..." >& 4
-for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do
- enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'`
- $cat >try.c <<EOF
-#include <sys/types.h>
-#include <sys/socket.h>
-int main() {
- int i = $ENUM;
-}
-EOF
- val="$undef"
- set try; if eval $compile; then
- val="$define"
- fi
- set d_${enum}; eval $setvar
- $rm -f try.c try
-done
+set d_vprintf
+eval $setvar
+val=$val2
+set d_charvspr
+eval $setvar
-set sendmsg d_sendmsg
+: see if chown exists
+set chown d_chown
eval $inlibc
-set recvmsg d_recvmsg
+: see if chroot exists
+set chroot d_chroot
eval $inlibc
-echo " "
-$echo $n "Checking to see if your system supports struct msghdr...$c" >&4
-set d_msghdr_s msghdr msg_name define sys/types.h $d_socket sys/socket.h $i_sysuio sys/uio.h
-eval $hasfield
-case "$d_msghdr_s" in
-"$define") echo "Yup, it does." >&4
- ;;
-*) echo "Nope, it doesn't." >&4
- ;;
-esac
-
-$echo $n "Checking to see if your system supports struct cmsghdr...$c" >&4
-set d_cmsghdr_s cmsghdr cmsg_len define sys/types.h $d_socket sys/socket.h $i_sysuio sys/uio.h
-eval $hasfield
-case "$d_cmsghdr_s" in
-"$define") echo "Yup, it does." >&4
- ;;
-*) echo "Nope, it doesn't." >&4
- ;;
-esac
+: see if chsize exists
+set chsize d_chsize
+eval $inlibc
: check for const keyword
echo " "
set d_dbl_dig
eval $setvar
-
-if $test X"$use64bits" = X"$define"; then
- : see if dbminit64 exists
- set dbminit64 d_dbminit64
- eval $inlibc
-
- : see if dbmclose64 exists
- set dbmclose64 d_dbmclose64
- eval $inlibc
-
- : see if fetch64 exists
- set fetch64 d_fetch64
- eval $inlibc
-
- : see if store64 exists
- set store64 d_store64
- eval $inlibc
-
- : see if delete64 exists
- set delete64 d_delete64
- eval $inlibc
-
- : see if firstkey64 exists
- set firstkey64 d_firstkey64
- eval $inlibc
-
- : see if nextkey64 exists
- set nextkey64 d_nextkey64
- eval $inlibc
-else
- val="$undef"
- for xxx in d_dbminit64 d_dbmclose64 d_fetch64 d_store64 d_delete64 d_firstkey64 d_nextkey64
- do
- set $xxx
- eval $setvar
- done
-fi
-
: see if difftime exists
set difftime d_difftime
eval $inlibc
-: see if sys/stat.h is available
-set sys/stat.h i_sysstat
-eval $inhdr
-
: see if this is a dirent system
echo " "
if xinc=`./findhdr dirent.h`; $test "$xinc"; then
eval $setvar
$rm -f try.c
-
-if $test X"$use64bits" = X"$define"; then
- : see if fstat64 exists
- set fstat64 d_fstat64
- eval $inlibc
-
- : see if ftruncate64 exists
- set ftruncate64 d_ftruncate64
- eval $inlibc
-
- : see if lockf64 exists
- set lockf64 d_lockf64
- eval $inlibc
-
- : see if llseek exists
- set llseek d_llseek
- eval $inlibc
-
- : see if lseek64 exists
- set lseek64 d_lseek64
- eval $inlibc
-
- : see if lstat64 exists
- set lstat64 d_lstat64
- eval $inlibc
-
- : see if open64 exists
- set open64 d_open64
- eval $inlibc
-
- : see if opendir64 exists
- set opendir64 d_opendir64
- eval $inlibc
-
- : see if readdir64 exists
- set readdir64 d_readdir64
- eval $inlibc
-
- : see if seekdir64 exists
- set seekdir64 d_seekdir64
- eval $inlibc
-
- : see if stat64 exists
- set stat64 d_stat64
- eval $inlibc
-
- : see if telldir64 exists
- set telldir64 d_telldir64
- eval $inlibc
-
- : see if truncate64 exists
- set truncate64 d_truncate64
- eval $inlibc
-
- : check for off64_t
- echo " "
- echo $n "Checking to see if your system supports off64_t...$c" >&4
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#include <unistd.h>
-off64_t foo() { off64_t x; x = 7; return x; }'
-EOCP
- if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
- else
- val="$undef"
- echo " Nope, it doesn't." >&4
- fi
- $rm -f try.*
- set d_off64_t
- eval $setvar
-
- : check for offset_t
- echo " "
- echo $n "Checking to see if your system supports offset_t...$c" >&4
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#include <unistd.h>
-offset_t foo() { offset_t x; x = 7; return x; }'
-EOCP
- if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
- else
- val="$undef"
- echo " Nope, it doesn't." >&4
- fi
- $rm -f try.*
- set d_offset_t
- eval $setvar
-
- : check for ino64_t
- echo " "
- echo $n "Checking to see if your system supports ino64_t...$c" >&4
- val="$undef"
- case "$i_sysstat" in
- "$define" )
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#include <sys/stat.h>
-ino64_t foo() { ino64_t x; x = 7; return x; }'
-EOCP
- if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- fi
- $rm -f try.*
- ;;
- esac
- if $test "X$val" = X"$define"; then
- echo " Yup, it does." >&4
- else
- echo " Nope, it doesn't." >&4
- fi
- set d_ino64_t
- eval $setvar
-
- : check for struct flock64
- echo " "
- echo "Checking to see if your system supports struct flock64..." >&4
- if $h_fcntl; then
- set d_flock64_s flock64 l_len define fcntl.h
- eval $hasfield
- else
- val="$undef"
- set d_flock64_s
- eval $setvar
- fi
- case "$d_flock64_s" in
- "$define") echo "Yup, it does." >&4
- ;;
- *) echo "Nope, it doesn't." >&4
- ;;
- esac
-
- : check for struct dirent64
- echo " "
- echo "Checking to see if your system supports struct dirent64..." >&4
- set d_dirent64_s dirent64 d_off $i_dirent dirent.h
- eval $hasfield
- case "$d_dirent64_s" in
- "$define") echo "Yup, it does." >&4
- ;;
- *) echo "Nope, it doesn't." >&4
- ;;
- esac
-
-else
- val="$undef"
- for xxx in d_fstat64 d_ftruncate64 d_lockf64 d_lseek64 d_lstat64 d_open64 d_opendir64 d_readdir64 d_seekdir64 d_stat64 d_telldir64 d_truncate64 d_off64_t d_offset_t d_ino64_t d_flock64_s d_dirent64_s
- do
- set $xxx
- eval $setvar
- done
-fi
-
: see if dlerror exists
xxx_runnm="$runnm"
runnm=false
esac
else
echo "I can't compile and run the test program." >&4
+ echo "I'm guessing that dlsym doesn't need a leading underscore." >&4
fi
;;
esac
set endservent d_endsent
eval $inlibc
+: see if endspent exists
+set endspent d_endspent
+eval $inlibc
+
: Locate the flags for 'open()'
echo " "
$cat >open3.c <<'EOCP'
eval $setvar
$rm -f open3*
+: see which of string.h or strings.h is needed
+echo " "
+strings=`./findhdr string.h`
+if $test "$strings" && $test -r "$strings"; then
+ echo "Using <string.h> instead of <strings.h>." >&4
+ val="$define"
+else
+ val="$undef"
+ strings=`./findhdr strings.h`
+ if $test "$strings" && $test -r "$strings"; then
+ echo "Using <strings.h> instead of <string.h>." >&4
+ else
+ echo "No string header found -- You'll surely have problems." >&4
+ fi
+fi
+set i_string
+eval $setvar
+case "$i_string" in
+"$undef") strings=`./findhdr strings.h`;;
+*) strings=`./findhdr string.h`;;
+esac
+
: check for non-blocking I/O stuff
case "$h_sysfile" in
true) echo "#include <sys/file.h>" > head.c;;
'')
$cat head.c > try.c
$cat >>try.c <<'EOCP'
+#include <stdio.h>
int main() {
#ifdef O_NONBLOCK
printf("O_NONBLOCK\n");
#include <errno.h>
#include <sys/types.h>
#include <signal.h>
+#include <stdio.h>
#define MY_O_NONBLOCK $o_nonblock
#ifndef errno /* XXX need better Configure test */
extern int errno;
#endif
+#$i_unistd I_UNISTD
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+#ifdef $i_string
+#include <string.h>
+#else
+#include <strings.h>
+#endif
$signal_t blech(x) int x; { exit(3); }
EOCP
$cat >> try.c <<'EOCP'
echo "WARNING: you can't distinguish between EOF and no data!"
val="$undef"
fi
- else
- echo "I can't compile the test program--assuming errno EAGAIN will do."
- eagain=EAGAIN
+ else
+ echo "I can't compile the test program--assuming errno EAGAIN will do."
+ eagain=EAGAIN
+ fi
+ set d_eofnblk
+ eval $setvar
+ ;;
+*)
+ echo "Using $hint value $eagain."
+ echo "Your read() returns $rd_nodata when no data is present."
+ case "$d_eofnblk" in
+ "$define") echo "And you can see EOF because read() returns 0.";;
+ "$undef") echo "But you can't see EOF status from read() returned value.";;
+ *)
+ echo "(Assuming you can't see EOF status from read anyway.)"
+ d_eofnblk=$undef
+ ;;
+ esac
+ ;;
+esac
+$rm -f try try.* .out core head.c mtry
+
+: see if fchmod exists
+set fchmod d_fchmod
+eval $inlibc
+
+: see if fchown exists
+set fchown d_fchown
+eval $inlibc
+
+: see if this is an fcntl system
+set fcntl d_fcntl
+eval $inlibc
+
+hasfield='varname=$1; struct=$2; field=$3; shift; shift; shift;
+while $test $# -ge 2; do
+ case "$1" in
+ $define) echo "#include <$2>";;
+ esac ;
+ shift 2;
+done > try.c;
+echo "int main () { struct $struct foo; char* bar; bar = (char*)foo.$field; }" >> try.c;
+set try;
+if eval $compile; then
+ val="$define";
+else
+ val="$undef";
+fi;
+set $varname;
+eval $setvar;
+$rm -f try.c try.o'
+
+socketlib=''
+sockethdr=''
+: see whether socket exists
+echo " "
+$echo $n "Hmm... $c" >&4
+if set socket val -f d_socket; eval $csym; $val; then
+ echo "Looks like you have Berkeley networking support." >&4
+ d_socket="$define"
+ if set setsockopt val -f; eval $csym; $val; then
+ d_oldsock="$undef"
+ else
+ echo "...but it uses the old BSD 4.1c interface, rather than 4.2." >&4
+ d_oldsock="$define"
+ fi
+else
+ if $contains socklib libc.list >/dev/null 2>&1; then
+ echo "Looks like you have Berkeley networking support." >&4
+ d_socket="$define"
+ : we will have to assume that it supports the 4.2 BSD interface
+ d_oldsock="$undef"
+ else
+ echo "You don't have Berkeley networking in libc$_a..." >&4
+ if test "X$d_socket" = "X$define"; then
+ echo "...but you seem to believe that you have sockets." >&4
+ else
+ for net in net socket
+ do
+ if test -f /usr/lib/lib$net$_a; then
+ ( ($nm $nm_opt /usr/lib/lib$net$_a | eval $nm_extract) || \
+ $ar t /usr/lib/lib$net$_a) 2>/dev/null >> libc.list
+ if $contains socket libc.list >/dev/null 2>&1; then
+ d_socket="$define"
+ socketlib="-l$net"
+ case "$net" in
+ net)
+ echo "...but the Wollongong group seems to have hacked it in." >&4
+ sockethdr="-I/usr/netinclude"
+ ;;
+ esac
+ echo "Found Berkeley sockets interface in lib$net." >& 4
+ if $contains setsockopt libc.list >/dev/null 2>&1; then
+ d_oldsock="$undef"
+ else
+ echo "...using the old BSD 4.1c interface, rather than 4.2." >&4
+ d_oldsock="$define"
+ fi
+ break
+ fi
+ fi
+ done
+ if test "X$d_socket" != "X$define"; then
+ echo "or anywhere else I see." >&4
+ d_socket="$undef"
+ d_oldsock="$undef"
+ fi
+ fi
fi
- set d_eofnblk
- eval $setvar
- ;;
-*)
- echo "Using $hint value $eagain."
- echo "Your read() returns $rd_nodata when no data is present."
- case "$d_eofnblk" in
- "$define") echo "And you can see EOF because read() returns 0.";;
- "$undef") echo "But you can't see EOF status from read() returned value.";;
- *)
- echo "(Assuming you can't see EOF status from read anyway.)"
- d_eofnblk=$undef
- ;;
- esac
- ;;
-esac
-$rm -f try try.* .out core head.c mtry
+fi
-: see if fchmod exists
-set fchmod d_fchmod
+: see if socketpair exists
+set socketpair d_sockpair
eval $inlibc
-: see if fchown exists
-set fchown d_fchown
-eval $inlibc
-: see if this is an fcntl system
-set fcntl d_fcntl
-eval $inlibc
+echo " "
+echo "Checking the availability of certain socket constants..." >& 4
+for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do
+ enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'`
+ $cat >try.c <<EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+int main() {
+ int i = $ENUM;
+}
+EOF
+ val="$undef"
+ set try; if eval $compile; then
+ val="$define"
+ fi
+ set d_${enum}; eval $setvar
+ $rm -f try.c try
+done
: see if sys/select.h has to be included
set sys/select.h i_sysselct
set fgetpos d_fgetpos
eval $inlibc
-
-if $test X"$use64bits" = X"$define"; then
- : see if fgetpos64 exists
- set fgetpos64 d_fgetpos64
- eval $inlibc
-
- : see if fopen64 exists
- set freopen64 d_fopen64
- eval $inlibc
-
- : see if freopen64 exists
- set freopen64 d_freopen64
- eval $inlibc
-
- : see if fseek64 exists
- set fseek64 d_fseek64
- eval $inlibc
-
- : see if fseeko64 exists
- set fseeko64 d_fseeko64
- eval $inlibc
-
- : see if fsetpos64 exists
- set fsetpos64 d_fsetpos64
- eval $inlibc
-
- : see if ftell64 exists
- set ftell64 d_ftell64
- eval $inlibc
-
- : see if ftello64 exists
- set ftello64 d_ftello64
- eval $inlibc
-
- : see if tmpfile64 exists
- set tmpfile64 d_tmpfile64
- eval $inlibc
-else
- val="$undef"
- for xxx in d_fgetpos64 d_fopen64 d_freopen64 d_fseek64 d_fseeko64 d_fsetpos64 d_ftell64 d_ftello64 d_tmpfile64
- do
- set $xxx
- eval $setvar
- done
-fi
-
: see if flock exists
set flock d_flock
eval $inlibc
set fpathconf d_fpathconf
eval $inlibc
-: see if fseeko exists
-set fseeko d_fseeko
-eval $inlibc
+: define an is-a-typedef? function
+typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
+case "$inclist" in
+"") inclist="sys/types.h";;
+esac;
+eval "varval=\$$var";
+case "$varval" in
+"")
+ $rm -f temp.c;
+ for inc in $inclist; do
+ echo "#include <$inc>" >>temp.c;
+ done;
+ echo "#ifdef $type" >> temp.c;
+ echo "printf(\"We have $type\");" >> temp.c;
+ echo "#endif" >> temp.c;
+ $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
+ if $contains $type temp.E >/dev/null 2>&1; then
+ eval "$var=\$type";
+ else
+ eval "$var=\$def";
+ fi;
+ $rm -f temp.?;;
+*) eval "$var=\$varval";;
+esac'
-: see if fsetpos exists
-set fsetpos d_fsetpos
-eval $inlibc
+: define an is-a-typedef? function that prompts if the type is not available.
+typedef_ask='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
+case "$inclist" in
+"") inclist="sys/types.h";;
+esac;
+eval "varval=\$$var";
+case "$varval" in
+"")
+ $rm -f temp.c;
+ for inc in $inclist; do
+ echo "#include <$inc>" >>temp.c;
+ done;
+ echo "#ifdef $type" >> temp.c;
+ echo "printf(\"We have $type\");" >> temp.c;
+ echo "#endif" >> temp.c;
+ $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
+ echo " " ;
+ echo "$rp" | $sed -e "s/What is/Looking for/" -e "s/?/./";
+ if $contains $type temp.E >/dev/null 2>&1; then
+ echo "$type found." >&4;
+ eval "$var=\$type";
+ else
+ echo "$type NOT found." >&4;
+ dflt="$def";
+ . ./myread ;
+ eval "$var=\$ans";
+ fi;
+ $rm -f temp.?;;
+*) eval "$var=\$varval";;
+esac'
+
+: see what type lseek is declared as in the kernel
+rp="What is the type used for lseek's offset on this system?"
+set off_t lseektype long stdio.h sys/types.h
+eval $typedef_ask
+
+echo " "
+$echo $n "Checking to see how big your file offsets are...$c" >&4
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", (int)sizeof($lseektype));
+ return(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+ lseeksize=`./try`
+ $echo " $lseeksize bytes." >&4
+else
+ dflt='4'
+ echo " "
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of your file offsets (in bytes)?"
+ . ./myread
+ lseeksize="$ans"
+fi
+$rm -f try.c try
+
+: see what type file positions are declared as in the library
+rp="What is the type for file position used by fsetpos()?"
+set fpos_t fpostype long stdio.h sys/types.h
+eval $typedef_ask
+
+echo " "
+case "$fpostype" in
+*_t) zzz="$fpostype" ;;
+*) zzz="fpos_t" ;;
+esac
+echo "Checking the size of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ printf("%d\n", (int)sizeof($fpostype));
+ exit(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+ yyy=`./try`
+ case "$yyy" in
+ '') fpossize=4
+ echo "(I can't execute the test program--guessing $fpossize.)" >&4
+ ;;
+ *) fpossize=$yyy
+ echo "Your $zzz size is $fpossize bytes."
+ ;;
+ esac
+else
+ fpossize=4
+ echo "(I can't compile the test program--guessing $fpossize.)" >&4
+fi
+
+
+
+: check for off64_t
+echo " "
+echo "Checking to see if your system supports off64_t..." >&4
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <unistd.h>
+int main() { off64_t x = 7; }'
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo "Yes, it does."
+else
+ val="$undef"
+ echo "No, it doesn't."
+ case "$lseeksize" in
+ 8) echo "(This is okay because your off_t is 64 bits wide.)" >&4 ;;
+ esac
+fi
+$rm -f try.* try
+set d_off64_t
+eval $setvar
+
+: check for fpos64_t
+echo " "
+echo "Checking to see if your system supports fpos64_t..." >&4
+$cat >try.c <<EOCP
+#include <sys/stdio.h>
+int main() { fpos64_t x x = 7; }'
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo "Yes, it does."
+else
+ val="$undef"
+ echo "No, it doesn't."
+ case "$fpossize" in
+ 8) echo "(This is okay because your fpos_t is 64 bits wide.)" >&4 ;;
+ esac
+fi
+$rm -f try.* try
+set d_fpos64_t
+eval $setvar
+
+hasstruct='varname=$1; struct=$2; shift; shift;
+while $test $# -ge 2; do
+ case "$1" in
+ $define) echo "#include <$2>";;
+ esac ;
+ shift 2;
+done > try.c;
+echo "int main () { struct $struct foo; }" >> try.c;
+set try;
+if eval $compile; then
+ val="$define";
+else
+ val="$undef";
+fi;
+set $varname;
+eval $setvar;
+$rm -f try.c try.o'
: see if this is a sys/param system
set sys/param.h i_sysparam
set sys/mount.h i_sysmount
eval $inhdr
+: see if sys/types.h has to be included
+set sys/types.h i_systypes
+eval $inhdr
+
+
+echo " "
+echo "Checking to see if your system supports struct fs_data..." >&4
+set d_fs_data_s fs_data $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h
+eval $hasstruct
+case "$d_fs_data_s" in
+"$define") echo "Yes, it does." ;;
+*) echo "No, it doesn't." ;;
+esac
+
+: see if fseeko exists
+set fseeko d_fseeko
+eval $inlibc
-: see if statfs exists
-set statfs d_statfs
+: see if fsetpos exists
+set fsetpos d_fsetpos
eval $inlibc
+
: see if fstatfs exists
set fstatfs d_fstatfs
eval $inlibc
-: see if statfs knows about mount flags
-set d_statfsflags statfs f_flags $i_sysparam sys/param.h $i_sysmount sys/mount.h
-eval $hasfield
-
: see if statvfs exists
set statvfs d_statvfs
set getlogin d_getlogin
eval $inlibc
+: see if getmnt exists
+set getmnt d_getmnt
+eval $inlibc
+
: see if getmntent exists
set getmntent d_getmntent
eval $inlibc
set d_getservprotos getservent $i_netdb netdb.h
eval $hasproto
+: see if getspent exists
+set getspent d_getspent
+eval $inlibc
+
+: see if getspnam exists
+set getspnam d_getspnam
+eval $inlibc
+
: see if gettimeofday or ftime exists
set gettimeofday d_gettimeod
eval $inlibc
set d_htonl
eval $setvar
-: see which of string.h or strings.h is needed
-echo " "
-strings=`./findhdr string.h`
-if $test "$strings" && $test -r "$strings"; then
- echo "Using <string.h> instead of <strings.h>." >&4
- val="$define"
-else
- val="$undef"
- strings=`./findhdr strings.h`
- if $test "$strings" && $test -r "$strings"; then
- echo "Using <strings.h> instead of <string.h>." >&4
- else
- echo "No string header found -- You'll surely have problems." >&4
- fi
-fi
-set i_string
-eval $setvar
-case "$i_string" in
-"$undef") strings=`./findhdr strings.h`;;
-*) strings=`./findhdr string.h`;;
-esac
-
: index or strchr
echo " "
if set index val -f; eval $csym; $val; then
echo "<inttypes.h> found." >&4
val="$define"
else
- echo "<inttypes.h> NOT found." >&4
+ echo "<inttypes.h> NOT found." >&4
+ val="$undef"
+fi
+$rm -f try.c try
+set i_inttypes
+eval $setvar
+
+: check for int64_t
+echo " "
+$echo $n "Checking to see if your system supports int64_t...$c" >&4
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#$i_inttypes I_INTTYPES
+#ifdef I_INTTYPES
+#include <inttypes.h>
+#endif
+int main() { int64_t x = 7; }
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo " Yes, it does." >&4
+else
+ val="$undef"
+ echo " No, it doesn't." >&4
+fi
+$rm -f try try.*
+set d_int64t
+eval $setvar
+
+: Look for isascii
+echo " "
+$cat >isascii.c <<'EOCP'
+#include <stdio.h>
+#include <ctype.h>
+int main() {
+ int c = 'A';
+ if (isascii(c))
+ exit(0);
+ else
+ exit(1);
+}
+EOCP
+set isascii
+if eval $compile; then
+ echo "isascii() found." >&4
+ val="$define"
+else
+ echo "isascii() NOT found." >&4
+ val="$undef"
+fi
+set d_isascii
+eval $setvar
+$rm -f isascii*
+
+: see if killpg exists
+set killpg d_killpg
+eval $inlibc
+
+: see if lchown exists
+echo " "
+$cat > try.c <<'EOCP'
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char lchown(); below. */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error. */
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char lchown();
+int main() {
+ /* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_lchown) || defined (__stub___lchown)
+choke me
+#else
+lchown();
+#endif
+; return 0; }
+EOCP
+set try
+if eval $compile; then
+ $echo "lchown() found." >&4
+ val="$define"
+else
+ $echo "lchown() NOT found." >&4
+ val="$undef"
+fi
+set d_lchown
+eval $setvar
+
+: See if number of significant digits in a double precision number is known
+echo " "
+$cat >ldbl_dig.c <<EOM
+#$i_limits I_LIMITS
+#$i_float I_FLOAT
+#ifdef I_LIMITS
+#include <limits.h>
+#endif
+#ifdef I_FLOAT
+#include <float.h>
+#endif
+#ifdef LDBL_DIG
+printf("Contains LDBL_DIG");
+#endif
+EOM
+$cppstdin $cppflags $cppminus < ldbl_dig.c >ldbl_dig.E 2>/dev/null
+if $contains 'LDBL_DIG' ldbl_dig.E >/dev/null 2>&1; then
+ echo "LDBL_DIG found." >&4
+ val="$define"
+else
+ echo "LDBL_DIG NOT found." >&4
+ val="$undef"
+fi
+$rm -f ldbl_dig.?
+set d_ldbl_dig
+eval $setvar
+
+: see if link exists
+set link d_link
+eval $inlibc
+
+: see if localeconv exists
+set localeconv d_locconv
+eval $inlibc
+
+: see if lockf exists
+set lockf d_lockf
+eval $inlibc
+
+: check for long long
+echo " "
+$echo $n "Checking to see if your system supports long long..." $c >&4
+echo 'int main() { long long x = 7; return 0; }' > try.c
+set try
+if eval $compile; then
+ val="$define"
+ echo " Yes, it does." >&4
+else
+ val="$undef"
+ echo " No, it doesn't." >&4
+fi
+$rm try.*
+set d_longlong
+eval $setvar
+
+: check for length of long long
+case "${d_longlong}${longlongsize}" in
+$define)
+ echo " "
+ $echo $n "Checking to see how big your long longs are..." $c >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", (int)sizeof(long long));
+ return(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ longlongsize=`./try$exe_ext`
+ $echo " $longlongsize bytes." >&4
+ else
+ dflt='8'
+ echo " "
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of a long long (in bytes)?"
+ . ./myread
+ longlongsize="$ans"
+ fi
+ if $test "X$longsize" = "X$longlongsize"; then
+ echo "(That isn't any different from an ordinary long.)"
+ fi
+ ;;
+esac
+$rm -f try.* try
+
+: see if lstat exists
+set lstat d_lstat
+eval $inlibc
+
+: see if mblen exists
+set mblen d_mblen
+eval $inlibc
+
+: see if mbstowcs exists
+set mbstowcs d_mbstowcs
+eval $inlibc
+
+: see if mbtowc exists
+set mbtowc d_mbtowc
+eval $inlibc
+
+: see if memchr exists
+set memchr d_memchr
+eval $inlibc
+
+: see if memcmp exists
+set memcmp d_memcmp
+eval $inlibc
+
+: see if memcpy exists
+set memcpy d_memcpy
+eval $inlibc
+
+: see if memmove exists
+set memmove d_memmove
+eval $inlibc
+
+: see if memset exists
+set memset d_memset
+eval $inlibc
+
+: see if mkdir exists
+set mkdir d_mkdir
+eval $inlibc
+
+: see if mkfifo exists
+set mkfifo d_mkfifo
+eval $inlibc
+
+: see if mktime exists
+set mktime d_mktime
+eval $inlibc
+
+: see if msgctl exists
+set msgctl d_msgctl
+eval $inlibc
+
+: see if msgget exists
+set msgget d_msgget
+eval $inlibc
+
+: see if msgsnd exists
+set msgsnd d_msgsnd
+eval $inlibc
+
+: see if msgrcv exists
+set msgrcv d_msgrcv
+eval $inlibc
+
+: see how much of the 'msg*(2)' library is present.
+h_msg=true
+echo " "
+case "$d_msgctl$d_msgget$d_msgsnd$d_msgrcv" in
+*"$undef"*) h_msg=false;;
+esac
+case "$osname" in
+freebsd)
+ case "`ipcs 2>&1`" in
+ "SVID messages"*"not configured"*)
+ echo "Your $osname does not have the msg*(2) configured." >&4
+ h_msg=false
+ val="$undef"
+ set msgctl d_msgctl
+ eval $setvar
+ set msgget d_msgget
+ eval $setvar
+ set msgsnd d_msgsnd
+ eval $setvar
+ set msgrcv d_msgrcv
+ eval $setvar
+ ;;
+ esac
+ ;;
+esac
+: we could also check for sys/ipc.h ...
+if $h_msg && $test `./findhdr sys/msg.h`; then
+ echo "You have the full msg*(2) library." >&4
+ val="$define"
+else
+ echo "You don't have the full msg*(2) library." >&4
val="$undef"
fi
-$rm -f try.c try
-set i_inttypes
+set d_msg
eval $setvar
-: check for int64_t
-case "$use64bits" in
-"$define" )
- echo " "
- echo $n "Checking to see if your system supports int64_t...$c" >&4
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#$i_inttypes I_INTTYPES
-#ifdef I_INTTYPES
-#include <inttypes.h>
-#endif
-int64_t foo() { int64_t x; x = 7; return x; }
-EOCP
- if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
- else
- val="$undef"
- echo " Nope, it doesn't." >&4
- fi
- $rm -f try.*
- ;;
-*) val="$undef"
- ;;
-esac
-set d_int64t
-eval $setvar
+: see if nice exists
+set nice d_nice
+eval $inlibc
+: see if POSIX threads are available
+set pthread.h i_pthread
+eval $inhdr
-: Look for isascii
-echo " "
-$cat >isascii.c <<'EOCP'
-#include <stdio.h>
-#include <ctype.h>
+
+
+
+: how to create joinable pthreads
+if test "X$usethreads" = "X$define" -a "X$i_pthread" = "X$define"; then
+ echo " "
+ echo "Checking what constant to use for creating joinable pthreads..." >&4
+ $cat >try.c <<'EOCP'
+#include <pthread.h>
int main() {
- int c = 'A';
- if (isascii(c))
- exit(0);
- else
- exit(1);
+ int detachstate = JOINABLE;
}
EOCP
-set isascii
-if eval $compile; then
- echo "isascii() found." >&4
- val="$define"
+ set try -DJOINABLE=PTHREAD_CREATE_JOINABLE
+ if eval $compile; then
+ echo "You seem to use PTHREAD_CREATE_JOINABLE." >&4
+ val="$undef" # Yes, undef.
+ set d_old_pthread_create_joinable
+ eval $setvar
+ val=""
+ set old_pthread_create_joinable
+ eval $setvar
+ else
+ set try -DJOINABLE=PTHREAD_CREATE_UNDETACHED
+ if eval $compile; then
+ echo "You seem to use PTHREAD_CREATE_UNDETACHED." >&4
+ val="$define"
+ set d_old_pthread_create_joinable
+ eval $setvar
+ val=PTHREAD_CREATE_UNDETACHED
+ set old_pthread_create_joinable
+ eval $setvar
+ else
+ set try -DJOINABLE=__UNDETACHED
+ if eval $compile; then
+ echo "You seem to use __UNDETACHED." >&4
+ val="$define"
+ set d_old_pthread_create_joinable
+ eval $setvar
+ val=__UNDETACHED
+ set old_pthread_create_joinable
+ eval $setvar
+ else
+ echo "Egads, nothing obvious found. Guessing that you use 0." >&4
+ val="$define"
+ set d_old_pthread_create_joinable
+ eval $setvar
+ val=0
+ set old_pthread_create_joinable
+ eval $setvar
+ fi
+ fi
+ fi
+ $rm -f try try.*
else
- echo "isascii() NOT found." >&4
- val="$undef"
+ d_old_pthread_create_joinable="$undef"
+ old_pthread_create_joinable=""
fi
-set d_isascii
-eval $setvar
-$rm -f isascii*
-: see if killpg exists
-set killpg d_killpg
+: see if pause exists
+set pause d_pause
eval $inlibc
-: see if lchown exists
-echo " "
-$cat > try.c <<'EOCP'
-/* System header to define __stub macros and hopefully few prototypes,
- which can conflict with char lchown(); below. */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error. */
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char lchown();
+: see if pipe exists
+set pipe d_pipe
+eval $inlibc
+
+: see if poll exists
+set poll d_poll
+eval $inlibc
+
+
+: see whether the various POSIXish _yields exist
+$cat >try.c <<EOP
+#include <pthread.h>
+#include <stdio.h>
int main() {
- /* The GNU C library defines this for functions which it implements
- to always fail with ENOSYS. Some functions are actually named
- something starting with __ and the normal name is an alias. */
-#if defined (__stub_lchown) || defined (__stub___lchown)
-choke me
+#ifdef SCHED_YIELD
+ sched_yield();
#else
-lchown();
+#ifdef PTHREAD_YIELD
+ pthread_yield();
+#else
+#ifdef PTHREAD_YIELD_NULL
+ pthread_yield(NULL);
#endif
-; return 0; }
-EOCP
-set try
+#endif
+#endif
+}
+EOP
+: see if sched_yield exists
+set try -DSCHED_YIELD
if eval $compile; then
- $echo "lchown() found." >&4
val="$define"
+ sched_yield='sched_yield()'
else
- $echo "lchown() NOT found." >&4
val="$undef"
fi
-set d_lchown
+case "$usethreads" in
+$define)
+ case "$val" in
+ $define) echo 'sched_yield() found.' >&4 ;;
+ *) echo 'sched_yield() NOT found.' >&4 ;;
+ esac
+esac
+set d_sched_yield
eval $setvar
-: see if link exists
-set link d_link
-eval $inlibc
+: see if pthread_yield exists
+set try -DPTHREAD_YIELD
+if eval $compile; then
+ val="$define"
+ case "$sched_yield" in
+ '') sched_yield='pthread_yield()' ;;
+ esac
+else
+ set try -DPTHREAD_YIELD_NULL
+ if eval $compile; then
+ val="$define"
+ case "$sched_yield" in
+ '') sched_yield='pthread_yield(NULL)' ;;
+ esac
+ else
+ val="$undef"
+ fi
+fi
+case "$usethreads" in
+$define)
+ case "$val" in
+ $define) echo 'pthread_yield() found.' >&4 ;;
+ *) echo 'pthread_yield() NOT found.' >&4 ;;
+ esac
+ ;;
+esac
+set d_pthread_yield
+eval $setvar
-: see if localeconv exists
-set localeconv d_locconv
-eval $inlibc
+case "$sched_yield" in
+'') sched_yield=undef ;;
+esac
-: see if lockf exists
-set lockf d_lockf
-eval $inlibc
+$rm -f try try.*
+
+: see if this is a pwd.h system
+set pwd.h i_pwd
+eval $inhdr
+
+case "$i_pwd" in
+$define)
+ xxx=`./findhdr pwd.h`
+ $cppstdin $cppflags $cppminus < $xxx >$$.h
+
+ if $contains 'pw_quota' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
+ fi
+ set d_pwquota
+ eval $setvar
+
+ if $contains 'pw_age' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
+ fi
+ set d_pwage
+ eval $setvar
+
+ if $contains 'pw_change' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
+ fi
+ set d_pwchange
+ eval $setvar
-: check for length of double
-echo " "
-case "$doublesize" in
-'')
- $echo $n "Checking to see how big your double precision numbers are...$c" >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof(double));
-}
-EOCP
- set try
- if eval $compile_ok; then
- doublesize=`./try`
- $echo " $doublesize bytes." >&4
+ if $contains 'pw_class' $$.h >/dev/null 2>&1; then
+ val="$define"
else
- dflt='8'
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of a double precision number (in bytes)?"
- . ./myread
- doublesize="$ans"
+ val="$undef"
fi
- ;;
-esac
-$rm -f try.c try
+ set d_pwclass
+ eval $setvar
-: check for long doubles
-echo " "
-echo $n "Checking to see if your system supports long doubles...$c" >&4
-echo 'long double foo() { long double x; x = 7.0; return x; }' > try.c
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
-else
- val="$undef"
- echo " Nope, it doesn't." >&4
-fi
-$rm try.*
-set d_longdbl
-eval $setvar
+ if $contains 'pw_expire' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
+ fi
+ set d_pwexpire
+ eval $setvar
-: check for length of long double
-case "${d_longdbl}${longdblsize}" in
-$define)
- echo " "
- $echo $n "Checking to see how big your long doubles are...$c" >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof(long double));
-}
-EOCP
- set try
- if eval $compile; then
- longdblsize=`./try`
- $echo " $longdblsize bytes." >&4
+ if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
+ val="$define"
else
- dflt='8'
- echo " "
- echo "(I can't seem to compile the test program. Guessing...)" >&4
- rp="What is the size of a long double (in bytes)?"
- . ./myread
- longdblsize="$ans"
+ val="$undef"
fi
- if $test "X$doublesize" = "X$longdblsize"; then
- echo "(That isn't any different from an ordinary double.)"
- fi
- ;;
-esac
-$rm -f try.c try
+ set d_pwcomment
+ eval $setvar
-: check for long long
-echo " "
-echo $n "Checking to see if your system supports long long...$c" >&4
-echo 'long long foo() { long long x; x = 7; return x; }' > try.c
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
-else
- val="$undef"
- echo " Nope, it doesn't." >&4
-fi
-$rm try.*
-set d_longlong
-eval $setvar
+ if $contains 'pw_gecos' $$.h >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
+ fi
+ set d_pwgecos
+ eval $setvar
-: check for length of long long
-case "${d_longlong}${longlongsize}" in
-$define)
- echo " "
- $echo $n "Checking to see how big your long longs are...$c" >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof(long long));
-}
-EOCP
- set try
- if eval $compile_ok; then
- longlongsize=`./try`
- $echo " $longlongsize bytes." >&4
+ if $contains 'pw_passwd' $$.h >/dev/null 2>&1; then
+ val="$define"
else
- dflt='8'
- echo " "
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of a long long (in bytes)?"
- . ./myread
- longlongsize="$ans"
+ val="$undef"
fi
- if $test "X$longsize" = "X$longlongsize"; then
- echo "(That isn't any different from an ordinary long.)"
- fi
+ set d_pwpasswd
+ eval $setvar
+
+ $rm -f $$.h
+ ;;
+*)
+ val="$undef";
+ set d_pwquota; eval $setvar
+ set d_pwage; eval $setvar
+ set d_pwchange; eval $setvar
+ set d_pwclass; eval $setvar
+ set d_pwexpire; eval $setvar
+ set d_pwcomment; eval $setvar
+ set d_pwgecos; eval $setvar
+ set d_pwpasswd; eval $setvar
;;
esac
-$rm -f try.c try
-: see if lstat exists
-set lstat d_lstat
-eval $inlibc
-
-: see if madvise exists
-set madvise d_madvise
-eval $inlibc
-: see if mblen exists
-set mblen d_mblen
-eval $inlibc
+echo " "
+echo "Checking which 64-bit integer type we could use..." >&4
-: see if mbstowcs exists
-set mbstowcs d_mbstowcs
-eval $inlibc
+case "$intsize" in
+8) val=int
+ set quadtype
+ eval $setvar
+ val='"unsigned int"'
+ set uquadtype
+ eval $setvar
+ quadkind=1
+ ;;
+*) case "$longsize" in
+ 8) val=long
+ set quadtype
+ eval $setvar
+ val='"unsigned long"'
+ set uquadtype
+ eval $setvar
+ quadkind=2
+ ;;
+ *) case "$uselonglong:$d_longlong:$longlongsize" in
+ define:define:8)
+ val='"long long"'
+ set quadtype
+ eval $setvar
+ val='"unsigned long long"'
+ set uquadtype
+ eval $setvar
+ quadkind=3
+ ;;
+ *) case "$d_int64t" in
+ define)
+ val=int64_t
+ set quadtype
+ eval $setvar
+ val=uint64_t
+ set uquadtype
+ eval $setvar
+ quadkind=4
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+esac
-: see if mbtowc exists
-set mbtowc d_mbtowc
-eval $inlibc
+case "$quadtype" in
+'') case "$uselonglong:$d_longlong:$longlongsize" in
+ undef:define:8)
+ echo "(You would have 'long long', but you are not using it.)" >&4 ;;
+ *) echo "Alas, no 64-bit integer types in sight." >&4 ;;
+ esac
+ d_quad="$undef"
+ ;;
+*) echo "We could use '$quadtype' for 64-bit integers." >&4
+ d_quad="$define"
+ ;;
+esac
-: see if memcmp exists
-set memcmp d_memcmp
+: see if readdir and friends exist
+set readdir d_readdir
eval $inlibc
-
-: see if memcpy exists
-set memcpy d_memcpy
+set seekdir d_seekdir
eval $inlibc
-
-: see if memmove exists
-set memmove d_memmove
+set telldir d_telldir
eval $inlibc
-
-: see if memset exists
-set memset d_memset
+set rewinddir d_rewinddir
eval $inlibc
-: see if mkdir exists
-set mkdir d_mkdir
+: see if readlink exists
+set readlink d_readlink
eval $inlibc
-: see if mkfifo exists
-set mkfifo d_mkfifo
+: see if rename exists
+set rename d_rename
eval $inlibc
-: see if mktime exists
-set mktime d_mktime
+: see if rmdir exists
+set rmdir d_rmdir
eval $inlibc
-: see if this is a sys/mman.h system
-set sys/mman.h i_sysmman
+: see if memory.h is available.
+val=''
+set memory.h val
eval $inhdr
-: see if mmap exists
-set mmap d_mmap
-eval $inlibc
-: see what shmat returns
-: default to something harmless
-mmaptype='void *'
-case "$i_sysmman$d_mmap" in
-"$define$define")
- $cat >mmap.c <<'END'
-#include <sys/mman.h>
-void *mmap();
-END
- if $cc $ccflags -c mmap.c >/dev/null 2>&1; then
- mmaptype='void *'
+: See if it conflicts with string.h
+case "$val" in
+$define)
+ case "$strings" in
+ '') ;;
+ *)
+ $cppstdin $cppflags $cppminus < $strings > mem.h
+ if $contains 'memcpy' mem.h >/dev/null 2>&1; then
+ echo " "
+ echo "We won't be including <memory.h>."
+ val="$undef"
+ fi
+ $rm -f mem.h
+ ;;
+ esac
+esac
+set i_memory
+eval $setvar
+
+: can bcopy handle overlapping blocks?
+val="$undef"
+case "$d_bcopy" in
+"$define")
+ echo " "
+ echo "Checking to see if your bcopy() can do overlapping copies..." >&4
+ $cat >try.c <<EOCP
+#$i_memory I_MEMORY
+#$i_stdlib I_STDLIB
+#$i_string I_STRING
+#$i_unistd I_UNISTD
+EOCP
+ $cat >>try.c <<'EOCP'
+#include <stdio.h>
+#ifdef I_MEMORY
+# include <memory.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#ifdef I_STRING
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+#ifdef I_UNISTD
+# include <unistd.h> /* Needed for NetBSD */
+#endif
+int main()
+{
+char buf[128], abc[128];
+char *b;
+int len;
+int off;
+int align;
+
+bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
+
+for (align = 7; align >= 0; align--) {
+ for (len = 36; len; len--) {
+ b = buf+align;
+ bcopy(abc, b, len);
+ for (off = 1; off <= len; off++) {
+ bcopy(b, b+off, len);
+ bcopy(b+off, b, len);
+ if (bcmp(b, abc, len))
+ exit(1);
+ }
+ }
+}
+exit(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ if ./try 2>/dev/null; then
+ echo "Yes, it can."
+ val="$define"
+ else
+ echo "It can't, sorry."
+ case "$d_memmove" in
+ "$define") echo "But that's Ok since you have memmove()." ;;
+ esac
+ fi
else
- mmaptype='caddr_t'
+ echo "(I can't compile the test program, so we'll assume not...)"
+ case "$d_memmove" in
+ "$define") echo "But that's Ok since you have memmove()." ;;
+ esac
fi
- echo "and it returns ($mmaptype)." >&4
;;
esac
+$rm -f try.* try core
+set d_safebcpy
+eval $setvar
+: can memcpy handle overlapping blocks?
+val="$undef"
+case "$d_memcpy" in
+"$define")
+ echo " "
+ echo "Checking to see if your memcpy() can do overlapping copies..." >&4
+ $cat >try.c <<EOCP
+#$i_memory I_MEMORY
+#$i_stdlib I_STDLIB
+#$i_string I_STRING
+#$i_unistd I_UNISTD
+EOCP
+ $cat >>try.c <<'EOCP'
+#include <stdio.h>
+#ifdef I_MEMORY
+# include <memory.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#ifdef I_STRING
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+#ifdef I_UNISTD
+# include <unistd.h> /* Needed for NetBSD */
+#endif
+int main()
+{
+char buf[128], abc[128];
+char *b;
+int len;
+int off;
+int align;
+/* Copy "abcde..." string to char abc[] so that gcc doesn't
+ try to store the string in read-only memory. */
+memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);
-: see if mprotect exists
-set mprotect d_mprotect
-eval $inlibc
-
-: see if msgctl exists
-set msgctl d_msgctl
-eval $inlibc
-
-: see if msgget exists
-set msgget d_msgget
-eval $inlibc
-
-: see if msgsnd exists
-set msgsnd d_msgsnd
-eval $inlibc
-
-: see if msgrcv exists
-set msgrcv d_msgrcv
-eval $inlibc
-
-: see how much of the 'msg*(2)' library is present.
-h_msg=true
-echo " "
-case "$d_msgctl$d_msgget$d_msgsnd$d_msgrcv" in
-*"$undef"*) h_msg=false;;
-esac
-case "$osname" in
-freebsd)
- case "`ipcs 2>&1`" in
- "SVID messages"*"not configured"*)
- echo "Your $osname does not have the msg*(2) configured." >&4
- h_msg=false
- val="$undef"
- set msgctl d_msgctl
- eval $setvar
- set msgget d_msgget
- eval $setvar
- set msgsnd d_msgsnd
- eval $setvar
- set msgrcv d_msgrcv
- eval $setvar
+for (align = 7; align >= 0; align--) {
+ for (len = 36; len; len--) {
+ b = buf+align;
+ memcpy(b, abc, len);
+ for (off = 1; off <= len; off++) {
+ memcpy(b+off, b, len);
+ memcpy(b, b+off, len);
+ if (memcmp(b, abc, len))
+ exit(1);
+ }
+ }
+}
+exit(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ if ./try 2>/dev/null; then
+ echo "Yes, it can."
+ val="$define"
+ else
+ echo "It can't, sorry."
+ case "$d_memmove" in
+ "$define") echo "But that's Ok since you have memmove()." ;;
+ esac
+ fi
+ else
+ echo "(I can't compile the test program, so we'll assume not...)"
+ case "$d_memmove" in
+ "$define") echo "But that's Ok since you have memmove()." ;;
+ esac
+ fi
;;
- esac
- ;;
esac
-: we could also check for sys/ipc.h ...
-if $h_msg && $test `./findhdr sys/msg.h`; then
- echo "You have the full msg*(2) library." >&4
- val="$define"
-else
- echo "You don't have the full msg*(2) library." >&4
- val="$undef"
-fi
-set d_msg
+$rm -f try.* try core
+set d_safemcpy
eval $setvar
-: see if msync exists
-set msync d_msync
-eval $inlibc
-
-: see if munmap exists
-set munmap d_munmap
-eval $inlibc
-
-: see if nice exists
-set nice d_nice
-eval $inlibc
-
-: see if POSIX threads are available
-if test "X$usethreads" = "X$define"; then
- set pthread.h i_pthread
- eval $inhdr
-else
- i_pthread="$undef"
-fi
-
-
-
-: how to create joinable pthreads
-if test "X$usethreads" = "X$define" -a "X$i_pthread" = "X$define"; then
+: can memcmp be trusted to compare relative magnitude?
+val="$undef"
+case "$d_memcmp" in
+"$define")
echo " "
- echo "Checking what constant to use for creating joinable pthreads..." >&4
- $cat >try.c <<'EOCP'
-#include <pthread.h>
-int main() {
- int detachstate = JOINABLE;
+ echo "Checking if your memcmp() can compare relative magnitude..." >&4
+ $cat >try.c <<EOCP
+#$i_memory I_MEMORY
+#$i_stdlib I_STDLIB
+#$i_string I_STRING
+#$i_unistd I_UNISTD
+EOCP
+ $cat >>try.c <<'EOCP'
+#include <stdio.h>
+#ifdef I_MEMORY
+# include <memory.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#ifdef I_STRING
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+#ifdef I_UNISTD
+# include <unistd.h> /* Needed for NetBSD */
+#endif
+int main()
+{
+char a = -1;
+char b = 0;
+if ((a < b) && memcmp(&a, &b, 1) < 0)
+ exit(1);
+exit(0);
}
EOCP
- set try -DJOINABLE=PTHREAD_CREATE_JOINABLE
- if eval $compile; then
- echo "You seem to use PTHREAD_CREATE_JOINABLE." >&4
- val="$undef" # Yes, undef.
- set d_old_pthread_create_joinable
- eval $setvar
- val=""
- set old_pthread_create_joinable
- eval $setvar
- else
- set try -DJOINABLE=PTHREAD_CREATE_UNDETACHED
- if eval $compile; then
- echo "You seem to use PTHREAD_CREATE_UNDETACHED." >&4
+ set try
+ if eval $compile_ok; then
+ if ./try 2>/dev/null; then
+ echo "Yes, it can."
val="$define"
- set d_old_pthread_create_joinable
- eval $setvar
- val=PTHREAD_CREATE_UNDETACHED
- set old_pthread_create_joinable
- eval $setvar
- else
- set try -DJOINABLE=__UNDETACHED
- if eval $compile; then
- echo "You seem to use __UNDETACHED." >&4
- val="$define"
- set d_old_pthread_create_joinable
- eval $setvar
- val=__UNDETACHED
- set old_pthread_create_joinable
- eval $setvar
- else
- echo "Egads, nothing obvious found. Guessing that you use 0." >&4
- val="$define"
- set d_old_pthread_create_joinable
- eval $setvar
- val=0
- set old_pthread_create_joinable
- eval $setvar
- fi
+ else
+ echo "No, it can't (it uses signed chars)."
fi
+ else
+ echo "(I can't compile the test program, so we'll assume not...)"
fi
- $rm -f try try.*
-else
- d_old_pthread_create_joinable="$undef"
- old_pthread_create_joinable=""
-fi
+ ;;
+esac
+$rm -f try.* try core
+set d_sanemcmp
+eval $setvar
-: see if pause exists
-set pause d_pause
+: see if select exists
+set select d_select
eval $inlibc
-: see if pipe exists
-set pipe d_pipe
+: see if semctl exists
+set semctl d_semctl
eval $inlibc
-: see if poll exists
-set poll d_poll
+: see if semget exists
+set semget d_semget
eval $inlibc
+: see if semop exists
+set semop d_semop
+eval $inlibc
-: see whether the various POSIXish _yields exist
-$cat >try.c <<EOP
-#include <pthread.h>
-#include <stdio.h>
-int main() {
-#ifdef SCHED_YIELD
- sched_yield();
-#else
-#ifdef PTHREAD_YIELD
- pthread_yield();
-#else
-#ifdef PTHREAD_YIELD_NULL
- pthread_yield(NULL);
-#endif
-#endif
-#endif
-}
-EOP
-: see if sched_yield exists
-set try -DSCHED_YIELD
-if eval $compile; then
- val="$define"
- sched_yield='sched_yield()'
+: see how much of the 'sem*(2)' library is present.
+h_sem=true
+echo " "
+case "$d_semctl$d_semget$d_semop" in
+*"$undef"*) h_sem=false;;
+esac
+case "$osname" in
+freebsd)
+ case "`ipcs 2>&1`" in
+ "SVID messages"*"not configured"*)
+ echo "Your $osname does not have the sem*(2) configured." >&4
+ h_sem=false
+ val="$undef"
+ set semctl d_semctl
+ eval $setvar
+ set semget d_semget
+ eval $setvar
+ set semop d_semop
+ eval $setvar
+ ;;
+ esac
+ ;;
+esac
+: we could also check for sys/ipc.h ...
+if $h_sem && $test `./findhdr sys/sem.h`; then
+ echo "You have the full sem*(2) library." >&4
+ val="$define"
else
- val="$undef"
+ echo "You don't have the full sem*(2) library." >&4
+ val="$undef"
fi
-case "$usethreads" in
-$define)
- case "$val" in
- $define) echo 'sched_yield() found.' >&4 ;;
- *) echo 'sched_yield() NOT found.' >&4 ;;
- esac
-esac
-set d_sched_yield
+set d_sem
eval $setvar
-: see if pthread_yield exists
-set try -DPTHREAD_YIELD
+: see whether sys/sem.h defines union semun
+echo " "
+$cat > try.c <<'END'
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+int main () { union semun semun; semun.buf = 0; }
+END
+set try
if eval $compile; then
+ echo "You have union semun in <sys/sem.h>." >&4
val="$define"
- case "$sched_yield" in
- '') sched_yield='pthread_yield()' ;;
- esac
else
- set try -DPTHREAD_YIELD_NULL
- if eval $compile; then
- val="$define"
- case "$sched_yield" in
- '') sched_yield='pthread_yield(NULL)' ;;
- esac
- else
- val="$undef"
- fi
+ echo "You do not have union semun in <sys/sem.h>." >&4
+ val="$undef"
fi
-case "$usethreads" in
-$define)
- case "$val" in
- $define) echo 'pthread_yield() found.' >&4 ;;
- *) echo 'pthread_yield() NOT found.' >&4 ;;
- esac
- ;;
-esac
-set d_pthread_yield
+$rm -f try try.c try.h
+set d_union_semun
eval $setvar
-case "$sched_yield" in
-'') sched_yield=undef ;;
+: see how to do semctl IPC_STAT
+case "$d_sem" in
+$define)
+ : see whether semctl IPC_STAT can use union semun
+ echo " "
+ $cat > try.h <<END
+#ifndef S_IRUSR
+# ifdef S_IREAD
+# define S_IRUSR S_IREAD
+# define S_IWUSR S_IWRITE
+# define S_IXUSR S_IEXEC
+# else
+# define S_IRUSR 0400
+# define S_IWUSR 0200
+# define S_IXUSR 0100
+# endif
+# define S_IRGRP (S_IRUSR>>3)
+# define S_IWGRP (S_IWUSR>>3)
+# define S_IXGRP (S_IXUSR>>3)
+# define S_IROTH (S_IRUSR>>6)
+# define S_IWOTH (S_IWUSR>>6)
+# define S_IXOTH (S_IXUSR>>6)
+#endif
+#ifndef S_IRWXU
+# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
+# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
+# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
+#endif
+END
+
+ $cat > try.c <<END
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <errno.h>
+#include "try.h"
+#ifndef errno
+extern int errno;
+#endif
+#$d_union_semun HAS_UNION_SEMUN
+int main() {
+ union semun
+#ifndef HAS_UNION_SEMUN
+ {
+ int val;
+ struct semid_ds *buf;
+ unsigned short *array;
+ }
+#endif
+ arg;
+ int sem, st;
+
+#if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT)
+ sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT);
+ if (sem > -1) {
+ struct semid_ds argbuf;
+ arg.buf = &argbuf;
+# ifdef IPC_STAT
+ st = semctl(sem, 0, IPC_STAT, arg);
+ if (st == 0)
+ printf("semun\n");
+ else
+# endif /* IPC_STAT */
+ printf("semctl IPC_STAT failed: errno = %d\n", errno);
+# ifdef IPC_RMID
+ if (semctl(sem, 0, IPC_RMID, arg) != 0)
+# endif /* IPC_RMID */
+ printf("semctl IPC_RMID failed: errno = %d\n", errno);
+ } else
+#endif /* IPC_PRIVATE && ... */
+ printf("semget failed: errno = %d\n", errno);
+ return 0;
+}
+END
+ val="$undef"
+ set try
+ if eval $compile; then
+ xxx=`./try`
+ case "$xxx" in
+ semun) val="$define" ;;
+ esac
+ fi
+ $rm -f try try.c
+ set d_semctl_semun
+ eval $setvar
+ case "$d_semctl_semun" in
+ $define)
+ echo "You can use union semun for semctl IPC_STAT." >&4
+ also='also'
+ ;;
+ *) echo "You cannot use union semun for semctl IPC_STAT." >&4
+ also=''
+ ;;
+ esac
+
+ : see whether semctl IPC_STAT can use struct semid_ds pointer
+ $cat > try.c <<'END'
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+#include <sys/stat.h>
+#include "try.h"
+#include <stdio.h>
+#include <errno.h>
+#ifndef errno
+extern int errno;
+#endif
+int main() {
+ struct semid_ds arg;
+ int sem, st;
+
+#if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT)
+ sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT);
+ if (sem > -1) {
+# ifdef IPC_STAT
+ st = semctl(sem, 0, IPC_STAT, &arg);
+ if (st == 0)
+ printf("semid_ds\n");
+ else
+# endif /* IPC_STAT */
+ printf("semctl IPC_STAT failed: errno = %d\n", errno);
+# ifdef IPC_RMID
+ if (semctl(sem, 0, IPC_RMID, &arg) != 0)
+# endif /* IPC_RMID */
+ printf("semctl IPC_RMID failed: errno = %d\n", errno);
+ } else
+#endif /* IPC_PRIVATE && ... */
+ printf("semget failed: errno = %d\n", errno);
+
+ return 0;
+}
+END
+ val="$undef"
+ set try
+ if eval $compile; then
+ xxx=`./try`
+ case "$xxx" in
+ semid_ds) val="$define" ;;
+ esac
+ fi
+ $rm -f try try.c
+ set d_semctl_semid_ds
+ eval $setvar
+ case "$d_semctl_semid_ds" in
+ $define)
+ echo "You can $also use struct semid_ds* for semctl IPC_STAT." >&4
+ ;;
+ *) echo "You cannot use struct semid_ds* for semctl IPC_STAT." >&4
+ ;;
+ esac
+ $rm -f try.h
+ ;;
+*) val="$undef"
+
+ # We do not have the full sem*(2) library, so assume we can not
+ # use either.
+
+ set d_semctl_semun
+ eval $setvar
+
+ set d_semctl_semid_ds
+ eval $setvar
+ ;;
esac
-$rm -f try try.*
+: see if setegid exists
+set setegid d_setegid
+eval $inlibc
-: see if this is a pwd.h system
-set pwd.h i_pwd
-eval $inhdr
+: see if seteuid exists
+set seteuid d_seteuid
+eval $inlibc
-case "$i_pwd" in
-$define)
- xxx=`./findhdr pwd.h`
- $cppstdin $cppflags $cppminus < $xxx >$$.h
+: see if setgrent exists
+set setgrent d_setgrent
+eval $inlibc
- if $contains 'pw_quota' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwquota
- eval $setvar
+: see if sethostent exists
+set sethostent d_sethent
+eval $inlibc
- if $contains 'pw_age' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwage
- eval $setvar
+: see if setlinebuf exists
+set setlinebuf d_setlinebuf
+eval $inlibc
- if $contains 'pw_change' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwchange
- eval $setvar
+: see if setlocale exists
+set setlocale d_setlocale
+eval $inlibc
- if $contains 'pw_class' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwclass
- eval $setvar
+: see if setnetent exists
+set setnetent d_setnent
+eval $inlibc
- if $contains 'pw_expire' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwexpire
- eval $setvar
+: see if setprotoent exists
+set setprotoent d_setpent
+eval $inlibc
- if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwcomment
- eval $setvar
+: see if setpgid exists
+set setpgid d_setpgid
+eval $inlibc
- if $contains 'pw_gecos' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwgecos
- eval $setvar
+: see if setpgrp2 exists
+set setpgrp2 d_setpgrp2
+eval $inlibc
- if $contains 'pw_passwd' $$.h >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- set d_pwpasswd
- eval $setvar
+: see if setpriority exists
+set setpriority d_setprior
+eval $inlibc
- $rm -f $$.h
- ;;
-*)
- val="$undef";
- set d_pwquota; eval $setvar
- set d_pwage; eval $setvar
- set d_pwchange; eval $setvar
- set d_pwclass; eval $setvar
- set d_pwexpire; eval $setvar
- set d_pwcomment; eval $setvar
- set d_pwgecos; eval $setvar
- set d_pwpasswd; eval $setvar
- ;;
-esac
+: see if setpwent exists
+set setpwent d_setpwent
+eval $inlibc
-: see if readdir and friends exist
-set readdir d_readdir
+: see if setregid exists
+set setregid d_setregid
eval $inlibc
-set seekdir d_seekdir
+set setresgid d_setresgid
eval $inlibc
-set telldir d_telldir
+
+: see if setreuid exists
+set setreuid d_setreuid
eval $inlibc
-set rewinddir d_rewinddir
+set setresuid d_setresuid
eval $inlibc
-: see if readlink exists
-set readlink d_readlink
+: see if setrgid exists
+set setrgid d_setrgid
+eval $inlibc
+
+: see if setruid exists
+set setruid d_setruid
eval $inlibc
-: see if readv exists
-set readv d_readv
+: see if setservent exists
+set setservent d_setsent
eval $inlibc
-: see if rename exists
-set rename d_rename
+: see if setsid exists
+set setsid d_setsid
eval $inlibc
-: see if rmdir exists
-set rmdir d_rmdir
+: see if setspent exists
+set setspent d_setspent
eval $inlibc
-: see if memory.h is available.
-val=''
-set memory.h val
+: see if setvbuf exists
+set setvbuf d_setvbuf
+eval $inlibc
+
+: see if sfio.h is available
+set sfio.h i_sfio
eval $inhdr
-: See if it conflicts with string.h
+
+: see if sfio library is available
+case "$i_sfio" in
+$define)
+ val=''
+ set sfreserve val
+ eval $inlibc
+ ;;
+*)
+ val="$undef"
+ ;;
+esac
+: Ok, but do we want to use it.
case "$val" in
$define)
- case "$strings" in
- '') ;;
- *)
- $cppstdin $cppflags $cppminus < $strings > mem.h
- if $contains 'memcpy' mem.h >/dev/null 2>&1; then
- echo " "
- echo "We won't be including <memory.h>."
- val="$undef"
- fi
- $rm -f mem.h
- ;;
+ case "$usesfio" in
+ true|$define|[yY]*) dflt='y';;
+ *) dflt='n';;
esac
-esac
-set i_memory
-eval $setvar
-
-: can bcopy handle overlapping blocks?
-val="$undef"
-case "$d_bcopy" in
-"$define")
- echo " "
- echo "Checking to see if your bcopy() can do overlapping copies..." >&4
- $cat >try.c <<EOCP
-#$i_memory I_MEMORY
-#$i_stdlib I_STDLIB
-#$i_string I_STRING
-#$i_unistd I_UNISTD
-EOCP
- $cat >>try.c <<'EOCP'
-#include <stdio.h>
-#ifdef I_MEMORY
-# include <memory.h>
-#endif
-#ifdef I_STDLIB
-# include <stdlib.h>
-#endif
-#ifdef I_STRING
-# include <string.h>
-#else
-# include <strings.h>
-#endif
-#ifdef I_UNISTD
-# include <unistd.h> /* Needed for NetBSD */
-#endif
-int main()
-{
-char buf[128], abc[128];
-char *b;
-int len;
-int off;
-int align;
+ echo "$package can use the sfio library, but it is experimental."
+ rp="You seem to have sfio available, do you want to try using it?"
+ . ./myread
+ case "$ans" in
+ y|Y) ;;
+ *) echo "Ok, avoiding sfio this time. I'll use stdio instead."
+ val="$undef"
+ : Remove sfio from list of libraries to use
+ set `echo X $libs | $sed -e 's/-lsfio / /' -e 's/-lsfio$//'`
+ shift
+ libs="$*"
+ echo "libs = $libs" >&4
+ ;;
+ esac
+ ;;
+*) case "$usesfio" in
+ true|$define|[yY]*)
+ echo "Sorry, cannot find sfio on this machine" >&4
+ echo "Ignoring your setting of usesfio=$usesfio" >&4
+ ;;
+ esac
+ ;;
+esac
+set d_sfio
+eval $setvar
+case "$d_sfio" in
+$define) usesfio='true';;
+*) usesfio='false';;
+esac
-bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
+: see if shmctl exists
+set shmctl d_shmctl
+eval $inlibc
-for (align = 7; align >= 0; align--) {
- for (len = 36; len; len--) {
- b = buf+align;
- bcopy(abc, b, len);
- for (off = 1; off <= len; off++) {
- bcopy(b, b+off, len);
- bcopy(b+off, b, len);
- if (bcmp(b, abc, len))
- exit(1);
- }
- }
-}
-exit(0);
-}
-EOCP
- set try
- if eval $compile_ok; then
- if ./try 2>/dev/null; then
- echo "Yes, it can."
- val="$define"
- else
- echo "It can't, sorry."
- case "$d_memmove" in
- "$define") echo "But that's Ok since you have memmove()." ;;
- esac
- fi
+: see if shmget exists
+set shmget d_shmget
+eval $inlibc
+
+: see if shmat exists
+set shmat d_shmat
+eval $inlibc
+: see what shmat returns
+case "$d_shmat" in
+"$define")
+ $cat >shmat.c <<'END'
+#include <sys/shm.h>
+void *shmat();
+END
+ if $cc $ccflags -c shmat.c >/dev/null 2>&1; then
+ shmattype='void *'
else
- echo "(I can't compile the test program, so we'll assume not...)"
- case "$d_memmove" in
- "$define") echo "But that's Ok since you have memmove()." ;;
- esac
+ shmattype='char *'
+ fi
+ echo "and it returns ($shmattype)." >&4
+ : see if a prototype for shmat is available
+ xxx=`./findhdr sys/shm.h`
+ $cppstdin $cppflags $cppminus < $xxx > shmat.c 2>/dev/null
+ if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then
+ val="$define"
+ else
+ val="$undef"
fi
+ $rm -f shmat.[co]
+ ;;
+*)
+ val="$undef"
;;
esac
-$rm -f try.* try core
-set d_safebcpy
+set d_shmatprototype
eval $setvar
-: can memcpy handle overlapping blocks?
-val="$undef"
-case "$d_memcpy" in
-"$define")
- echo " "
- echo "Checking to see if your memcpy() can do overlapping copies..." >&4
- $cat >try.c <<EOCP
-#$i_memory I_MEMORY
-#$i_stdlib I_STDLIB
-#$i_string I_STRING
-#$i_unistd I_UNISTD
-EOCP
- $cat >>try.c <<'EOCP'
+: see if shmdt exists
+set shmdt d_shmdt
+eval $inlibc
+
+: see how much of the 'shm*(2)' library is present.
+h_shm=true
+echo " "
+case "$d_shmctl$d_shmget$d_shmat$d_shmdt" in
+*"$undef"*) h_shm=false;;
+esac
+case "$osname" in
+freebsd)
+ case "`ipcs 2>&1`" in
+ "SVID shared memory"*"not configured"*)
+ echo "Your $osname does not have the shm*(2) configured." >&4
+ h_shm=false
+ val="$undef"
+ set shmctl d_shmctl
+ evat $setvar
+ set shmget d_shmget
+ evat $setvar
+ set shmat d_shmat
+ evat $setvar
+ set shmdt d_shmdt
+ evat $setvar
+ ;;
+ esac
+ ;;
+esac
+: we could also check for sys/ipc.h ...
+if $h_shm && $test `./findhdr sys/shm.h`; then
+ echo "You have the full shm*(2) library." >&4
+ val="$define"
+else
+ echo "You don't have the full shm*(2) library." >&4
+ val="$undef"
+fi
+set d_shm
+eval $setvar
+
+echo " "
+: see if we have sigaction
+if set sigaction val -f d_sigaction; eval $csym; $val; then
+ echo 'sigaction() found.' >&4
+ $cat > try.c <<'EOP'
#include <stdio.h>
-#ifdef I_MEMORY
-# include <memory.h>
-#endif
-#ifdef I_STDLIB
-# include <stdlib.h>
-#endif
-#ifdef I_STRING
-# include <string.h>
-#else
-# include <strings.h>
-#endif
-#ifdef I_UNISTD
-# include <unistd.h> /* Needed for NetBSD */
-#endif
+#include <sys/types.h>
+#include <signal.h>
int main()
{
-char buf[128], abc[128];
-char *b;
-int len;
-int off;
-int align;
-
-/* Copy "abcde..." string to char abc[] so that gcc doesn't
- try to store the string in read-only memory. */
-memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);
-
-for (align = 7; align >= 0; align--) {
- for (len = 36; len; len--) {
- b = buf+align;
- memcpy(b, abc, len);
- for (off = 1; off <= len; off++) {
- memcpy(b+off, b, len);
- memcpy(b, b+off, len);
- if (memcmp(b, abc, len))
- exit(1);
- }
- }
-}
-exit(0);
+ struct sigaction act, oact;
+ act.sa_flags = 0;
+ oact.sa_handler = 0;
+ /* so that act and oact are used */
+ exit(act.sa_flags == 0 && oact.sa_handler == 0);
}
-EOCP
+EOP
set try
if eval $compile_ok; then
- if ./try 2>/dev/null; then
- echo "Yes, it can."
- val="$define"
- else
- echo "It can't, sorry."
- case "$d_memmove" in
- "$define") echo "But that's Ok since you have memmove()." ;;
- esac
- fi
+ val="$define"
else
- echo "(I can't compile the test program, so we'll assume not...)"
- case "$d_memmove" in
- "$define") echo "But that's Ok since you have memmove()." ;;
- esac
+ echo "But you don't seem to have a useable struct sigaction." >&4
+ val="$undef"
fi
- ;;
-esac
-$rm -f try.* try core
-set d_safemcpy
-eval $setvar
+else
+ echo 'sigaction NOT found.' >&4
+ val="$undef"
+fi
+set d_sigaction; eval $setvar
+$rm -f try try$_o try.c
-: can memcmp be trusted to compare relative magnitude?
-val="$undef"
-case "$d_memcmp" in
-"$define")
- echo " "
- echo "Checking if your memcmp() can compare relative magnitude..." >&4
- $cat >try.c <<EOCP
-#$i_memory I_MEMORY
-#$i_stdlib I_STDLIB
-#$i_string I_STRING
-#$i_unistd I_UNISTD
-EOCP
- $cat >>try.c <<'EOCP'
-#include <stdio.h>
-#ifdef I_MEMORY
-# include <memory.h>
-#endif
-#ifdef I_STDLIB
-# include <stdlib.h>
-#endif
-#ifdef I_STRING
-# include <string.h>
-#else
-# include <strings.h>
-#endif
-#ifdef I_UNISTD
-# include <unistd.h> /* Needed for NetBSD */
-#endif
+: see if sigsetjmp exists
+echo " "
+case "$d_sigsetjmp" in
+'')
+ $cat >try.c <<'EOP'
+#include <setjmp.h>
+sigjmp_buf env;
+int set = 1;
int main()
{
-char a = -1;
-char b = 0;
-if ((a < b) && memcmp(&a, &b, 1) < 0)
+ if (sigsetjmp(env,1))
+ exit(set);
+ set = 0;
+ siglongjmp(env, 1);
exit(1);
-exit(0);
}
-EOCP
+EOP
set try
- if eval $compile_ok; then
- if ./try 2>/dev/null; then
- echo "Yes, it can."
+ if eval $compile; then
+ if ./try >/dev/null 2>&1; then
+ echo "POSIX sigsetjmp found." >&4
val="$define"
else
- echo "No, it can't (it uses signed chars)."
+ $cat >&4 <<EOM
+Uh-Oh! You have POSIX sigsetjmp and siglongjmp, but they do not work properly!!
+I'll ignore them.
+EOM
+ val="$undef"
fi
else
- echo "(I can't compile the test program, so we'll assume not...)"
+ echo "sigsetjmp not found." >&4
+ val="$undef"
fi
;;
+*) val="$d_sigsetjmp"
+ case "$d_sigsetjmp" in
+ $define) echo "POSIX sigsetjmp found." >&4;;
+ $undef) echo "sigsetjmp not found." >&4;;
+ esac
+ ;;
esac
-$rm -f try.* try core
-set d_sanemcmp
+set d_sigsetjmp
eval $setvar
+$rm -f try.c try
-: see if select exists
-set select d_select
+: see if sqrtl exists
+set sqrtl d_sqrtl
eval $inlibc
-: see if semctl exists
-set semctl d_semctl
-eval $inlibc
+: see if sys/stat.h is available
+set sys/stat.h i_sysstat
+eval $inhdr
-: see if semget exists
-set semget d_semget
-eval $inlibc
-: see if semop exists
-set semop d_semop
-eval $inlibc
+: see if stat knows about block sizes
+echo " "
+echo "Checking to see if your struct stat has st_blocks field..." >&4
+set d_statblks stat st_blocks $i_sysstat sys/stat.h
+eval $hasfield
+
+
+: see if this is a sys/vfs.h system
+set sys/vfs.h i_sysvfs
+eval $inhdr
+
+
+: see if this is a sys/statfs.h system
+set sys/statfs.h i_sysstatfs
+eval $inhdr
+
-: see how much of the 'sem*(2)' library is present.
-h_sem=true
echo " "
-case "$d_semctl$d_semget$d_semop" in
-*"$undef"*) h_sem=false;;
+echo "Checking to see if your system supports struct statfs..." >&4
+set d_statfs_s statfs $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h
+eval $hasstruct
+case "$d_statfs_s" in
+"$define") echo "Yes, it does." ;;
+*) echo "No, it doesn't." ;;
esac
-case "$osname" in
-freebsd)
- case "`ipcs 2>&1`" in
- "SVID messages"*"not configured"*)
- echo "Your $osname does not have the sem*(2) configured." >&4
- h_sem=false
- val="$undef"
- set semctl d_semctl
- eval $setvar
- set semget d_semget
- eval $setvar
- set semop d_semop
+
+
+
+: see if struct statfs knows about f_flags
+case "$d_statfs_s" in
+define)
+ echo " "
+ echo "Checking to see if your struct statfs has f_flags field..." >&4
+ set d_statfs_f_flags statfs f_flags $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h
+ eval $hasfield
+ ;;
+*) val="$undef"
+ set d_statfs_f_flags
eval $setvar
;;
- esac
- ;;
esac
-: we could also check for sys/ipc.h ...
-if $h_sem && $test `./findhdr sys/sem.h`; then
- echo "You have the full sem*(2) library." >&4
- val="$define"
-else
- echo "You don't have the full sem*(2) library." >&4
- val="$undef"
-fi
-set d_sem
-eval $setvar
+case "$d_statfs_f_flags" in
+"$define") echo "Yes, it does." ;;
+*) echo "No, it doesn't." ;;
+esac
-: see whether sys/sem.h defines union semun
+: see if _ptr and _cnt from stdio act std
echo " "
-$cat > try.c <<'END'
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/sem.h>
-int main () { union semun semun; semun.buf = 0; }
-END
+if $contains '_IO_fpos_t' `./findhdr stdio.h` `./findhdr libio.h` >/dev/null 2>&1 ; then
+ echo "(Looks like you have stdio.h from Linux.)"
+ case "$stdio_ptr" in
+ '') stdio_ptr='((fp)->_IO_read_ptr)'
+ ptr_lval=$define
+ ;;
+ *) ptr_lval=$d_stdio_ptr_lval;;
+ esac
+ case "$stdio_cnt" in
+ '') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)'
+ cnt_lval=$undef
+ ;;
+ *) cnt_lval=$d_stdio_cnt_lval;;
+ esac
+ case "$stdio_base" in
+ '') stdio_base='((fp)->_IO_read_base)';;
+ esac
+ case "$stdio_bufsiz" in
+ '') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';;
+ esac
+else
+ case "$stdio_ptr" in
+ '') stdio_ptr='((fp)->_ptr)'
+ ptr_lval=$define
+ ;;
+ *) ptr_lval=$d_stdio_ptr_lval;;
+ esac
+ case "$stdio_cnt" in
+ '') stdio_cnt='((fp)->_cnt)'
+ cnt_lval=$define
+ ;;
+ *) cnt_lval=$d_stdio_cnt_lval;;
+ esac
+ case "$stdio_base" in
+ '') stdio_base='((fp)->_base)';;
+ esac
+ case "$stdio_bufsiz" in
+ '') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';;
+ esac
+fi
+: test whether _ptr and _cnt really work
+echo "Checking how std your stdio is..." >&4
+$cat >try.c <<EOP
+#include <stdio.h>
+#define FILE_ptr(fp) $stdio_ptr
+#define FILE_cnt(fp) $stdio_cnt
+int main() {
+ FILE *fp = fopen("try.c", "r");
+ char c = getc(fp);
+ if (
+ 18 <= FILE_cnt(fp) &&
+ strncmp(FILE_ptr(fp), "include <stdio.h>\n", 18) == 0
+ )
+ exit(0);
+ exit(1);
+}
+EOP
+val="$undef"
set try
if eval $compile; then
- echo "You have union semun in <sys/sem.h>." >&4
- val="$define"
+ if ./try; then
+ echo "Your stdio acts pretty std."
+ val="$define"
+ else
+ echo "Your stdio isn't very std."
+ fi
else
- echo "You do not have union semun in <sys/sem.h>." >&4
- val="$undef"
+ echo "Your stdio doesn't appear very std."
fi
-$rm -f try try.c try.h
-set d_union_semun
+$rm -f try.c try
+set d_stdstdio
eval $setvar
-: see how to do semctl IPC_STAT
-case "$d_sem" in
-$define)
- : see whether semctl IPC_STAT can use union semun
- echo " "
- $cat > try.h <<END
-#ifndef S_IRUSR
-# ifdef S_IREAD
-# define S_IRUSR S_IREAD
-# define S_IWUSR S_IWRITE
-# define S_IXUSR S_IEXEC
-# else
-# define S_IRUSR 0400
-# define S_IWUSR 0200
-# define S_IXUSR 0100
-# endif
-# define S_IRGRP (S_IRUSR>>3)
-# define S_IWGRP (S_IWUSR>>3)
-# define S_IXGRP (S_IXUSR>>3)
-# define S_IROTH (S_IRUSR>>6)
-# define S_IWOTH (S_IWUSR>>6)
-# define S_IXOTH (S_IXUSR>>6)
-#endif
-#ifndef S_IRWXU
-# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
-# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
-# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
-#endif
-END
-
- $cat > try.c <<END
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/sem.h>
-#include <sys/stat.h>
-#include <stdio.h>
-#include <errno.h>
-#include "try.h"
-#ifndef errno
-extern int errno;
-#endif
-#$d_union_semun HAS_UNION_SEMUN
-int main() {
- union semun
-#ifndef HAS_UNION_SEMUN
- {
- int val;
- struct semid_ds *buf;
- unsigned short *array;
- }
-#endif
- arg;
- int sem, st;
+: Can _ptr be used as an lvalue?
+case "$d_stdstdio$ptr_lval" in
+$define$define) val=$define ;;
+*) val=$undef ;;
+esac
+set d_stdio_ptr_lval
+eval $setvar
-#if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT)
- sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT);
- if (sem > -1) {
- struct semid_ds argbuf;
- arg.buf = &argbuf;
-# ifdef IPC_STAT
- st = semctl(sem, 0, IPC_STAT, arg);
- if (st == 0)
- printf("semun\n");
- else
-# endif /* IPC_STAT */
- printf("semctl IPC_STAT failed: errno = %d\n", errno);
-# ifdef IPC_RMID
- if (semctl(sem, 0, IPC_RMID, arg) != 0)
-# endif /* IPC_RMID */
- printf("semctl IPC_RMID failed: errno = %d\n", errno);
- } else
-#endif /* IPC_PRIVATE && ... */
- printf("semget failed: errno = %d\n", errno);
- return 0;
+: Can _cnt be used as an lvalue?
+case "$d_stdstdio$cnt_lval" in
+$define$define) val=$define ;;
+*) val=$undef ;;
+esac
+set d_stdio_cnt_lval
+eval $setvar
+
+: see if _base is also standard
+val="$undef"
+case "$d_stdstdio" in
+$define)
+ $cat >try.c <<EOP
+#include <stdio.h>
+#define FILE_base(fp) $stdio_base
+#define FILE_bufsiz(fp) $stdio_bufsiz
+int main() {
+ FILE *fp = fopen("try.c", "r");
+ char c = getc(fp);
+ if (
+ 19 <= FILE_bufsiz(fp) &&
+ strncmp(FILE_base(fp), "#include <stdio.h>\n", 19) == 0
+ )
+ exit(0);
+ exit(1);
}
-END
- val="$undef"
- set try
- if eval $compile; then
- xxx=`./try`
- case "$xxx" in
- semun) val="$define" ;;
- esac
- fi
- $rm -f try try.c
- set d_semctl_semun
- eval $setvar
- case "$d_semctl_semun" in
- $define)
- echo "You can use union semun for semctl IPC_STAT." >&4
- also='also'
- ;;
- *) echo "You cannot use union semun for semctl IPC_STAT." >&4
- also=''
- ;;
- esac
+EOP
+ set try
+ if eval $compile; then
+ if ./try; then
+ echo "And its _base field acts std."
+ val="$define"
+ else
+ echo "But its _base field isn't std."
+ fi
+ else
+ echo "However, it seems to be lacking the _base field."
+ fi
+ $rm -f try.c try
+ ;;
+esac
+set d_stdiobase
+eval $setvar
- : see whether semctl IPC_STAT can use struct semid_ds pointer
- $cat > try.c <<'END'
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/sem.h>
-#include <sys/stat.h>
-#include "try.h"
+$cat >&4 <<EOM
+Checking how to access stdio streams by file descriptor number...
+EOM
+case "$stdio_stream_array" in
+'') $cat >try.c <<EOCP
#include <stdio.h>
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
int main() {
- struct semid_ds arg;
- int sem, st;
+ if (&STDIO_STREAM_ARRAY[fileno(stdin)] == stdin)
+ printf("yes\n");
+}
+EOCP
+ for s in _iob __iob __sF
+ do
+ set try -DSTDIO_STREAM_ARRAY=$s
+ if eval $compile; then
+ case "`./try$exe_ext`" in
+ yes) stdio_stream_array=$s; break ;;
+ esac
+ fi
+ done
+ $rm -f try.* try$exe_ext
+esac
+case "$stdio_stream_array" in
+'') $cat >&4 <<EOM
+I can't figure out how to access stdio streams by file descriptor number.
+EOM
+ d_stdio_stream_array="$undef"
+ ;;
+*) $cat >&4 <<EOM
+You can access stdio streams by file descriptor number by the $stdio_stream_array array.
+EOM
+ d_stdio_stream_array="$define"
+ ;;
+esac
-#if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT)
- sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT);
- if (sem > -1) {
-# ifdef IPC_STAT
- st = semctl(sem, 0, IPC_STAT, &arg);
- if (st == 0)
- printf("semid_ds\n");
- else
-# endif /* IPC_STAT */
- printf("semctl IPC_STAT failed: errno = %d\n", errno);
-# ifdef IPC_RMID
- if (semctl(sem, 0, IPC_RMID, &arg) != 0)
-# endif /* IPC_RMID */
- printf("semctl IPC_RMID failed: errno = %d\n", errno);
- } else
-#endif /* IPC_PRIVATE && ... */
- printf("semget failed: errno = %d\n", errno);
+: see if strcoll exists
+set strcoll d_strcoll
+eval $inlibc
- return 0;
+: check for structure copying
+echo " "
+echo "Checking to see if your C compiler can copy structs..." >&4
+$cat >try.c <<'EOCP'
+int main()
+{
+ struct blurfl {
+ int dyick;
+ } foo, bar;
+
+ foo = bar;
}
-END
- val="$undef"
- set try
- if eval $compile; then
- xxx=`./try`
- case "$xxx" in
- semid_ds) val="$define" ;;
- esac
+EOCP
+if $cc -c try.c >/dev/null 2>&1 ; then
+ val="$define"
+ echo "Yup, it can."
+else
+ val="$undef"
+ echo "Nope, it can't."
+fi
+set d_strctcpy
+eval $setvar
+$rm -f try.*
+
+: see if strerror and/or sys_errlist[] exist
+echo " "
+if test "X$d_strerror" = X -o "X$d_syserrlst" = X; then
+ if set strerror val -f d_strerror; eval $csym; $val; then
+ echo 'strerror() found.' >&4
+ d_strerror="$define"
+ d_strerrm='strerror(e)'
+ if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
+ echo "(You also have sys_errlist[], so we could roll our own strerror.)"
+ d_syserrlst="$define"
+ else
+ echo "(Since you don't have sys_errlist[], sterror() is welcome.)"
+ d_syserrlst="$undef"
+ fi
+ elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \
+ $contains '#[ ]*define.*strerror' "$xxx" >/dev/null 2>&1; then
+ echo 'strerror() found in string header.' >&4
+ d_strerror="$define"
+ d_strerrm='strerror(e)'
+ if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
+ echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)"
+ d_syserrlst="$define"
+ else
+ echo "(You don't appear to have any sys_errlist[], how can this be?)"
+ d_syserrlst="$undef"
+ fi
+ elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then
+ echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4
+ d_strerror="$undef"
+ d_syserrlst="$define"
+ d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])'
+ else
+ echo 'strerror() and sys_errlist[] NOT found.' >&4
+ d_strerror="$undef"
+ d_syserrlst="$undef"
+ d_strerrm='"unknown"'
fi
- $rm -f try try.c
- set d_semctl_semid_ds
- eval $setvar
- case "$d_semctl_semid_ds" in
- $define)
- echo "You can $also use struct semid_ds* for semctl IPC_STAT." >&4
- ;;
- *) echo "You cannot use struct semid_ds* for semctl IPC_STAT." >&4
- ;;
- esac
- $rm -f try.h
- ;;
-*) val="$undef"
+fi
- # We do not have the full sem*(2) library, so assume we can not
- # use either.
+: see if strtod exists
+set strtod d_strtod
+eval $inlibc
- set d_semctl_semun
- eval $setvar
+: see if strtol exists
+set strtol d_strtol
+eval $inlibc
- set d_semctl_semid_ds
- eval $setvar
- ;;
-esac
+: see if strtoul exists
+set strtoul d_strtoul
+eval $inlibc
-: see if setegid exists
-set setegid d_setegid
+: see if strtoull exists
+set strtoull d_strtoull
eval $inlibc
-: see if seteuid exists
-set seteuid d_seteuid
+: see if strxfrm exists
+set strxfrm d_strxfrm
eval $inlibc
-: see if setgrent exists
-set setgrent d_setgrent
+: see if symlink exists
+set symlink d_symlink
+eval $inlibc
+
+: see if syscall exists
+set syscall d_syscall
+eval $inlibc
+
+: see if sysconf exists
+set sysconf d_sysconf
+eval $inlibc
+
+: see if system exists
+set system d_system
+eval $inlibc
+
+: see if tcgetpgrp exists
+set tcgetpgrp d_tcgetpgrp
+eval $inlibc
+
+: see if tcsetpgrp exists
+set tcsetpgrp d_tcsetpgrp
eval $inlibc
-: see if sethostent exists
-set sethostent d_sethent
+: see if prototype for telldir is available
+echo " "
+set d_telldirproto telldir $i_systypes sys/types.h $i_dirent dirent.h
+eval $hasproto
+
+: see if this is a sys/times.h system
+set sys/times.h i_systimes
+eval $inhdr
+
+: see if times exists
+echo " "
+if set times val -f d_times; eval $csym; $val; then
+ echo 'times() found.' >&4
+ d_times="$define"
+ inc=''
+ case "$i_systimes" in
+ "$define") inc='sys/times.h';;
+ esac
+ rp="What is the type returned by times() on this system?"
+ set clock_t clocktype long stdio.h sys/types.h $inc
+ eval $typedef_ask
+else
+ echo 'times() NOT found, hope that will do.' >&4
+ d_times="$undef"
+ clocktype='int'
+fi
+
+: see if truncate exists
+set truncate d_truncate
eval $inlibc
-: see if setlinebuf exists
-set setlinebuf d_setlinebuf
-eval $inlibc
+: see if tzname[] exists
+echo " "
+if set tzname val -a d_tzname; eval $csym; $val; then
+ val="$define"
+ echo 'tzname[] found.' >&4
+else
+ val="$undef"
+ echo 'tzname[] NOT found.' >&4
+fi
+set d_tzname
+eval $setvar
-: see if setlocale exists
-set setlocale d_setlocale
+: see if umask exists
+set umask d_umask
eval $inlibc
-: see if setnetent exists
-set setnetent d_setnent
+: see if ustat exists
+set ustat d_ustat
eval $inlibc
-: see if setprotoent exists
-set setprotoent d_setpent
+: backward compatibility for d_hvfork
+if test X$d_hvfork != X; then
+ d_vfork="$d_hvfork"
+ d_hvfork=''
+fi
+: see if there is a vfork
+val=''
+set vfork val
eval $inlibc
-: see if setpgid exists
-set setpgid d_setpgid
-eval $inlibc
+: Ok, but do we want to use it. vfork is reportedly unreliable in
+: perl on Solaris 2.x, and probably elsewhere.
+case "$val" in
+$define)
+ echo " "
+ case "$usevfork" in
+ false) dflt='n';;
+ *) dflt='y';;
+ esac
+ cat <<'EOM'
+
+Perl can only use a vfork() that doesn't suffer from strict
+restrictions on calling functions or modifying global data in
+the child. For example, glibc-2.1 contains such a vfork()
+that is unsuitable. If your system provides a proper fork()
+call, chances are that you do NOT want perl to use vfork().
-: see if setpgrp2 exists
-set setpgrp2 d_setpgrp2
-eval $inlibc
+EOM
+ rp="Do you still want to use vfork()?"
+ . ./myread
+ case "$ans" in
+ y|Y) ;;
+ *)
+ echo "Ok, we won't use vfork()."
+ val="$undef"
+ ;;
+ esac
+ ;;
+esac
+set d_vfork
+eval $setvar
+case "$d_vfork" in
+$define) usevfork='true';;
+*) usevfork='false';;
+esac
-: see if setpriority exists
-set setpriority d_setprior
-eval $inlibc
+: see if this is an sysdir system
+set sys/dir.h i_sysdir
+eval $inhdr
-: see if setpwent exists
-set setpwent d_setpwent
-eval $inlibc
+: see if this is an sysndir system
+set sys/ndir.h i_sysndir
+eval $inhdr
-: see if setregid exists
-set setregid d_setregid
-eval $inlibc
-set setresgid d_setresgid
+: see if closedir exists
+set closedir d_closedir
eval $inlibc
-: see if setreuid exists
-set setreuid d_setreuid
-eval $inlibc
-set setresuid d_setresuid
-eval $inlibc
+case "$d_closedir" in
+"$define")
+ echo " "
+ echo "Checking whether closedir() returns a status..." >&4
+ cat > closedir.c <<EOM
+#$i_dirent I_DIRENT /**/
+#$i_sysdir I_SYS_DIR /**/
+#$i_sysndir I_SYS_NDIR /**/
+#$i_systypes I_SYS_TYPES /**/
-: see if setrgid exists
-set setrgid d_setrgid
-eval $inlibc
+#if defined(I_SYS_TYPES)
+#include <sys/types.h>
+#endif
+#if defined(I_DIRENT)
+#include <dirent.h>
+#if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
+#include <sys/dir.h>
+#endif
+#else
+#ifdef I_SYS_NDIR
+#include <sys/ndir.h>
+#else
+#ifdef I_SYS_DIR
+#ifdef hp9000s500
+#include <ndir.h> /* may be wrong in the future */
+#else
+#include <sys/dir.h>
+#endif
+#endif
+#endif
+#endif
+int main() { return closedir(opendir(".")); }
+EOM
+ set closedir
+ if eval $compile_ok; then
+ if ./closedir > /dev/null 2>&1 ; then
+ echo "Yes, it does."
+ val="$undef"
+ else
+ echo "No, it doesn't."
+ val="$define"
+ fi
+ else
+ echo "(I can't seem to compile the test program--assuming it doesn't)"
+ val="$define"
+ fi
+ ;;
+*)
+ val="$undef";
+ ;;
+esac
+set d_void_closedir
+eval $setvar
+$rm -f closedir*
+: check for volatile keyword
+echo " "
+echo 'Checking to see if your C compiler knows about "volatile"...' >&4
+$cat >try.c <<'EOCP'
+int main()
+{
+ typedef struct _goo_struct goo_struct;
+ goo_struct * volatile goo = ((goo_struct *)0);
+ struct _goo_struct {
+ long long_int;
+ int reg_int;
+ char char_var;
+ };
+ typedef unsigned short foo_t;
+ char *volatile foo;
+ volatile int bar;
+ volatile foo_t blech;
+ foo = foo;
+}
+EOCP
+if $cc -c $ccflags try.c >/dev/null 2>&1 ; then
+ val="$define"
+ echo "Yup, it does."
+else
+ val="$undef"
+ echo "Nope, it doesn't."
+fi
+set d_volatile
+eval $setvar
+$rm -f try.*
-: see if setruid exists
-set setruid d_setruid
+: see if there is a wait4
+set wait4 d_wait4
eval $inlibc
-: see if setservent exists
-set setservent d_setsent
+: see if waitpid exists
+set waitpid d_waitpid
eval $inlibc
-: see if setsid exists
-set setsid d_setsid
+: see if wcstombs exists
+set wcstombs d_wcstombs
eval $inlibc
-: see if setvbuf exists
-set setvbuf d_setvbuf
+: see if wctomb exists
+set wctomb d_wctomb
eval $inlibc
-: see if sfio.h is available
-set sfio.h i_sfio
-eval $inhdr
+: preserve RCS keywords in files with variable substitution, grrr
+Date='$Date'
+Id='$Id'
+Log='$Log'
+RCSfile='$RCSfile'
+Revision='$Revision'
+case "$crosscompile" in
+''|[nN]*) crosscompile="$undef" ;;
+esac
-: see if sfio library is available
-case "$i_sfio" in
-$define)
- val=''
- set sfreserve val
- eval $inlibc
- ;;
-*)
- val="$undef"
- ;;
+case "$osname" in
+next|rhapsody) multiarch="$define" ;;
esac
-: Ok, but do we want to use it.
-case "$val" in
-$define)
- case "$usesfio" in
- true|$define|[yY]*) dflt='y';;
- *) dflt='n';;
- esac
- echo "$package can use the sfio library, but it is experimental."
- rp="You seem to have sfio available, do you want to try using it?"
- . ./myread
- case "$ans" in
- y|Y) ;;
- *) echo "Ok, avoiding sfio this time. I'll use stdio instead."
- val="$undef"
- : Remove sfio from list of libraries to use
- set `echo X $libs | $sed -e 's/-lsfio / /' -e 's/-lsfio$//'`
- shift
- libs="$*"
- echo "libs = $libs" >&4
- ;;
+case "$multiarch" in
+''|[nN]*) multiarch="$undef" ;;
+esac
+
+: check for alignment requirements
+echo " "
+case "$crosscompile$multiarch" in
+*$define*)
+ $cat <<EOM
+You seem to be either cross-compiling or doing a multiarchitecture build,
+skipping the memory alignment check.
+
+EOM
+ case "$alignbytes" in
+ '') alignbytes=8 ;;
esac
;;
-*) case "$usesfio" in
- true|$define|[yY]*)
- echo "Sorry, cannot find sfio on this machine" >&4
- echo "Ignoring your setting of usesfio=$usesfio" >&4
+*)
+ case "$alignbytes" in
+ '') echo "Checking alignment constraints..." >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+struct foobar {
+ char foo;
+ double bar;
+} try_algn;
+int main()
+{
+ printf("%d\n", (int)((char *)&try_algn.bar - (char *)&try_algn.foo));
+ return(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ dflt=`./try`
+ else
+ dflt='8'
+ echo "(I can't seem to compile the test program...)"
+ fi
+ ;;
+ *) dflt="$alignbytes"
;;
esac
+ rp="Doubles must be aligned on a how-many-byte boundary?"
+ . ./myread
+ alignbytes="$ans"
+ $rm -f try.c try
;;
esac
-set d_sfio
-eval $setvar
-case "$d_sfio" in
-$define) usesfio='true';;
-*) usesfio='false';;
-esac
-: see if shmctl exists
-set shmctl d_shmctl
-eval $inlibc
-: see if shmget exists
-set shmget d_shmget
-eval $inlibc
+: check for ordering of bytes in a long
+echo " "
+case "$crosscompile$multiarch" in
+*$define*)
+ $cat <<EOM
+You seem to be either cross-compiling or doing a multiarchitecture build,
+skipping the byteorder check.
-: see if shmat exists
-set shmat d_shmat
-eval $inlibc
-: see what shmat returns
-case "$d_shmat" in
-"$define")
- $cat >shmat.c <<'END'
-#include <sys/shm.h>
-void *shmat();
-END
- if $cc $ccflags -c shmat.c >/dev/null 2>&1; then
- shmattype='void *'
- else
- shmattype='char *'
- fi
- echo "and it returns ($shmattype)." >&4
- : see if a prototype for shmat is available
- xxx=`./findhdr sys/shm.h`
- $cppstdin $cppflags $cppminus < $xxx > shmat.c 2>/dev/null
- if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then
- val="$define"
- else
- val="$undef"
- fi
- $rm -f shmat.[co]
+EOM
+ byteorder='0xffff'
;;
*)
- val="$undef"
+ case "$byteorder" in
+ '')
+ $cat <<'EOM'
+In the following, larger digits indicate more significance. A big-endian
+machine like a Pyramid or a Motorola 680?0 chip will come out to 4321. A
+little-endian machine like a Vax or an Intel 80?86 chip would be 1234. Other
+machines may have weird orders like 3412. A Cray will report 87654321,
+an Alpha will report 12345678. If the test program works the default is
+probably right.
+I'm now running the test program...
+EOM
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ int i;
+ union {
+ unsigned long l;
+ char c[sizeof(long)];
+ } u;
+
+ if (sizeof(long) > 4)
+ u.l = (0x08070605L << 32) | 0x04030201L;
+ else
+ u.l = 0x04030201L;
+ for (i = 0; i < sizeof(long); i++)
+ printf("%c", u.c[i]+'0');
+ printf("\n");
+ exit(0);
+}
+EOCP
+ xxx_prompt=y
+ set try
+ if eval $compile && ./try > /dev/null; then
+ dflt=`./try`
+ case "$dflt" in
+ [1-4][1-4][1-4][1-4]|12345678|87654321)
+ echo "(The test program ran ok.)"
+ echo "byteorder=$dflt"
+ xxx_prompt=n
+ ;;
+ ????|????????) echo "(The test program ran ok.)" ;;
+ *) echo "(The test program didn't run right for some reason.)" ;;
+ esac
+ else
+ dflt='4321'
+ cat <<'EOM'
+(I can't seem to compile the test program. Guessing big-endian...)
+EOM
+ fi
+ case "$xxx_prompt" in
+ y)
+ rp="What is the order of bytes in a long?"
+ . ./myread
+ byteorder="$ans"
+ ;;
+ *) byteorder=$dflt
+ ;;
+ esac
+ ;;
+ esac
+ $rm -f try.c try
;;
esac
-set d_shmatprototype
-eval $setvar
-: see if shmdt exists
-set shmdt d_shmdt
-eval $inlibc
-: see how much of the 'shm*(2)' library is present.
-h_shm=true
+: how do we catenate cpp tokens here?
echo " "
-case "$d_shmctl$d_shmget$d_shmat$d_shmdt" in
-*"$undef"*) h_shm=false;;
-esac
-case "$osname" in
-freebsd)
- case "`ipcs 2>&1`" in
- "SVID shared memory"*"not configured"*)
- echo "Your $osname does not have the shm*(2) configured." >&4
- h_shm=false
- val="$undef"
- set shmctl d_shmctl
- evat $setvar
- set shmget d_shmget
- evat $setvar
- set shmat d_shmat
- evat $setvar
- set shmdt d_shmdt
- evat $setvar
+echo "Checking to see how your cpp does stuff like catenate tokens..." >&4
+$cat >cpp_stuff.c <<'EOCP'
+#define RCAT(a,b)a/**/b
+#define ACAT(a,b)a ## b
+RCAT(Rei,ser)
+ACAT(Cir,cus)
+EOCP
+$cppstdin $cppflags $cppminus <cpp_stuff.c >cpp_stuff.out 2>&1
+if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then
+ echo "Oh! Smells like ANSI's been here." >&4
+ echo "We can catify or stringify, separately or together!"
+ cpp_stuff=42
+elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then
+ echo "Ah, yes! The good old days!" >&4
+ echo "However, in the good old days we don't know how to stringify and"
+ echo "catify at the same time."
+ cpp_stuff=1
+else
+ $cat >&4 <<EOM
+Hmm, I don't seem to be able to catenate tokens with your cpp. You're going
+to have to edit the values of CAT[2-5] in config.h...
+EOM
+ cpp_stuff="/* Help! How do we handle cpp_stuff? */*/"
+fi
+$rm -f cpp_stuff.*
+
+: see if this is a db.h system
+set db.h i_db
+eval $inhdr
+
+case "$i_db" in
+$define)
+ : Check db version.
+ echo " "
+ echo "Checking Berkeley DB version ..." >&4
+ $cat >try.c <<EOCP
+#$d_const HASCONST
+#ifndef HASCONST
+#define const
+#endif
+#include <sys/types.h>
+#include <stdio.h>
+#include <db.h>
+int main()
+{
+#ifdef DB_VERSION_MAJOR /* DB version >= 2 */
+ int Major, Minor, Patch ;
+ unsigned long Version ;
+ (void)db_version(&Major, &Minor, &Patch) ;
+ printf("You have Berkeley DB Version 2 or greater\n");
+
+ printf("db.h is from Berkeley DB Version %d.%d.%d\n",
+ DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH);
+ printf("libdb is from Berkeley DB Version %d.%d.%d\n",
+ Major, Minor, Patch) ;
+
+ /* check that db.h & libdb are compatible */
+ if (DB_VERSION_MAJOR != Major || DB_VERSION_MINOR != Minor || DB_VERSION_PATCH != Patch) {
+ printf("db.h and libdb are incompatible\n") ;
+ exit(3);
+ }
+
+ printf("db.h and libdb are compatible\n") ;
+
+ Version = DB_VERSION_MAJOR * 1000000 + DB_VERSION_MINOR * 1000
+ + DB_VERSION_PATCH ;
+
+ /* needs to be >= 2.3.4 */
+ if (Version < 2003004) {
+ /* if (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR == 0 && DB_VERSION_PATCH < 5) { */
+ printf("but Perl needs Berkeley DB 2.3.4 or greater\n") ;
+ exit(2);
+ }
+
+ exit(0);
+#else
+#if defined(_DB_H_) && defined(BTREEMAGIC) && defined(HASHMAGIC)
+ printf("You have Berkeley DB Version 1\n");
+ exit(0); /* DB version < 2: the coast is clear. */
+#else
+ exit(1); /* <db.h> not Berkeley DB? */
+#endif
+#endif
+}
+EOCP
+ set try
+ if eval $compile && ./try; then
+ echo 'Looks OK.' >&4
+ else
+ echo "I can't use Berkeley DB with your <db.h>. I'll disable Berkeley DB." >&4
+ i_db=$undef
+ case " $libs " in
+ *"-ldb "*)
+ : Remove db from list of libraries to use
+ echo "Removing unusable -ldb from library list" >&4
+ set `echo X $libs | $sed -e 's/-ldb / /' -e 's/-ldb$//'`
+ shift
+ libs="$*"
+ echo "libs = $libs" >&4
+ ;;
+ esac
+ fi
+ $rm -f try.*
;;
- esac
- ;;
esac
-: we could also check for sys/ipc.h ...
-if $h_shm && $test `./findhdr sys/shm.h`; then
- echo "You have the full shm*(2) library." >&4
- val="$define"
-else
- echo "You don't have the full shm*(2) library." >&4
- val="$undef"
-fi
-set d_shm
-eval $setvar
-echo " "
-: see if we have sigaction
-if set sigaction val -f d_sigaction; eval $csym; $val; then
- echo 'sigaction() found.' >&4
- $cat > try.c <<'EOP'
-#include <stdio.h>
+case "$i_db" in
+define)
+ : Check the return type needed for hash
+ echo " "
+ echo "Checking return type needed for hash for Berkeley DB ..." >&4
+ $cat >try.c <<EOCP
+#$d_const HASCONST
+#ifndef HASCONST
+#define const
+#endif
#include <sys/types.h>
-#include <signal.h>
-int main()
+#include <db.h>
+
+#ifndef DB_VERSION_MAJOR
+u_int32_t hash_cb (ptr, size)
+const void *ptr;
+size_t size;
{
- struct sigaction act, oact;
}
-EOP
- set try
- if eval $compile_ok; then
- val="$define"
- else
- echo "But you don't seem to have a useable struct sigaction." >&4
- val="$undef"
- fi
-else
- echo 'sigaction NOT found.' >&4
- val="$undef"
-fi
-set d_sigaction; eval $setvar
-$rm -f try try$_o try.c
-
-: see if sigsetjmp exists
-echo " "
-case "$d_sigsetjmp" in
-'')
- $cat >try.c <<'EOP'
-#include <setjmp.h>
-sigjmp_buf env;
-int set = 1;
+HASHINFO info;
int main()
{
- if (sigsetjmp(env,1))
- exit(set);
- set = 0;
- siglongjmp(env, 1);
- exit(1);
+ info.hash = hash_cb;
}
-EOP
- set try
- if eval $compile; then
- if ./try >/dev/null 2>&1; then
- echo "POSIX sigsetjmp found." >&4
- val="$define"
+#endif
+EOCP
+ if $cc $ccflags -c try.c >try.out 2>&1 ; then
+ if $contains warning try.out >>/dev/null 2>&1 ; then
+ db_hashtype='int'
else
- $cat >&4 <<EOM
-Uh-Oh! You have POSIX sigsetjmp and siglongjmp, but they do not work properly!!
-I'll ignore them.
-EOM
- val="$undef"
+ db_hashtype='u_int32_t'
fi
else
- echo "sigsetjmp not found." >&4
- val="$undef"
+ : XXX Maybe we should just give up here.
+ db_hashtype=u_int32_t
+ $cat try.out >&4
+ echo "Help: I can't seem to compile the db test program." >&4
+ echo "Something's wrong, but I'll assume you use $db_hashtype." >&4
fi
+ $rm -f try.*
+ echo "Your version of Berkeley DB uses $db_hashtype for hash."
;;
-*) val="$d_sigsetjmp"
- case "$d_sigsetjmp" in
- $define) echo "POSIX sigsetjmp found." >&4;;
- $undef) echo "sigsetjmp not found." >&4;;
- esac
+*) db_hashtype=u_int32_t
;;
esac
-set d_sigsetjmp
-eval $setvar
-$rm -f try.c try
-
-: see if stat knows about block sizes
-echo " "
-set d_statblks stat st_blocks $i_sysstat sys/stat.h
-eval $hasfield
+case "$i_db" in
+define)
+ : Check the return type needed for prefix
+ echo " "
+ echo "Checking return type needed for prefix for Berkeley DB ..." >&4
+ cat >try.c <<EOCP
+#$d_const HASCONST
+#ifndef HASCONST
+#define const
+#endif
+#include <sys/types.h>
+#include <db.h>
-: see if _ptr and _cnt from stdio act std
-echo " "
-if $contains '_IO_fpos_t' `./findhdr stdio.h` >/dev/null 2>&1 ; then
- echo "(Looks like you have stdio.h from Linux.)"
- case "$stdio_ptr" in
- '') stdio_ptr='((fp)->_IO_read_ptr)'
- ptr_lval=$define
- ;;
- *) ptr_lval=$d_stdio_ptr_lval;;
- esac
- case "$stdio_cnt" in
- '') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)'
- cnt_lval=$undef
- ;;
- *) cnt_lval=$d_stdio_cnt_lval;;
- esac
- case "$stdio_base" in
- '') stdio_base='((fp)->_IO_read_base)';;
- esac
- case "$stdio_bufsiz" in
- '') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';;
- esac
-else
- case "$stdio_ptr" in
- '') stdio_ptr='((fp)->_ptr)'
- ptr_lval=$define
- ;;
- *) ptr_lval=$d_stdio_ptr_lval;;
- esac
- case "$stdio_cnt" in
- '') stdio_cnt='((fp)->_cnt)'
- cnt_lval=$define
- ;;
- *) cnt_lval=$d_stdio_cnt_lval;;
- esac
- case "$stdio_base" in
- '') stdio_base='((fp)->_base)';;
- esac
- case "$stdio_bufsiz" in
- '') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';;
- esac
-fi
-: test whether _ptr and _cnt really work
-echo "Checking how std your stdio is..." >&4
-$cat >try.c <<EOP
-#include <stdio.h>
-#define FILE_ptr(fp) $stdio_ptr
-#define FILE_cnt(fp) $stdio_cnt
-int main() {
- FILE *fp = fopen("try.c", "r");
- char c = getc(fp);
- if (
- 18 <= FILE_cnt(fp) &&
- strncmp(FILE_ptr(fp), "include <stdio.h>\n", 18) == 0
- )
- exit(0);
- exit(1);
+#ifndef DB_VERSION_MAJOR
+size_t prefix_cb (key1, key2)
+const DBT *key1;
+const DBT *key2;
+{
}
-EOP
-val="$undef"
-set try
-if eval $compile; then
- if ./try; then
- echo "Your stdio acts pretty std."
- val="$define"
- else
- echo "Your stdio isn't very std."
- fi
-else
- echo "Your stdio doesn't appear very std."
-fi
-$rm -f try.c try
-set d_stdstdio
-eval $setvar
-
-: Can _ptr be used as an lvalue?
-case "$d_stdstdio$ptr_lval" in
-$define$define) val=$define ;;
-*) val=$undef ;;
-esac
-set d_stdio_ptr_lval
-eval $setvar
-
-: Can _cnt be used as an lvalue?
-case "$d_stdstdio$cnt_lval" in
-$define$define) val=$define ;;
-*) val=$undef ;;
-esac
-set d_stdio_cnt_lval
-eval $setvar
-
-: see if _base is also standard
-val="$undef"
-case "$d_stdstdio" in
-$define)
- $cat >try.c <<EOP
-#include <stdio.h>
-#define FILE_base(fp) $stdio_base
-#define FILE_bufsiz(fp) $stdio_bufsiz
-int main() {
- FILE *fp = fopen("try.c", "r");
- char c = getc(fp);
- if (
- 19 <= FILE_bufsiz(fp) &&
- strncmp(FILE_base(fp), "#include <stdio.h>\n", 19) == 0
- )
- exit(0);
- exit(1);
+BTREEINFO info;
+int main()
+{
+ info.prefix = prefix_cb;
}
-EOP
- set try
- if eval $compile; then
- if ./try; then
- echo "And its _base field acts std."
- val="$define"
+#endif
+EOCP
+ if $cc $ccflags -c try.c >try.out 2>&1 ; then
+ if $contains warning try.out >>/dev/null 2>&1 ; then
+ db_prefixtype='int'
else
- echo "But its _base field isn't std."
+ db_prefixtype='size_t'
fi
else
- echo "However, it seems to be lacking the _base field."
+ db_prefixtype='size_t'
+ : XXX Maybe we should just give up here.
+ $cat try.out >&4
+ echo "Help: I can't seem to compile the db test program." >&4
+ echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4
fi
- $rm -f try.c try
+ $rm -f try.*
+ echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
+ ;;
+*) db_prefixtype='size_t'
;;
esac
-set d_stdiobase
-eval $setvar
-
-: see if strcoll exists
-set strcoll d_strcoll
-eval $inlibc
-: check for structure copying
+: check for void type
echo " "
-echo "Checking to see if your C compiler can copy structs..." >&4
-$cat >try.c <<'EOCP'
-int main()
-{
- struct blurfl {
- int dyick;
- } foo, bar;
+echo "Checking to see how well your C compiler groks the void type..." >&4
+case "$voidflags" in
+'')
+ $cat >try.c <<'EOCP'
+#if TRY & 1
+void sub() {
+#else
+sub() {
+#endif
+ extern void moo(); /* function returning void */
+ void (*goo)(); /* ptr to func returning void */
+#if TRY & 8
+ void *hue; /* generic ptr */
+#endif
+#if TRY & 2
+ void (*foo[10])();
+#endif
- foo = bar;
+#if TRY & 4
+ if(goo == moo) {
+ exit(0);
+ }
+#endif
+ exit(0);
}
+int main() { sub(); }
EOCP
-if $cc -c try.c >/dev/null 2>&1 ; then
- val="$define"
- echo "Yup, it can."
-else
- val="$undef"
- echo "Nope, it can't."
-fi
-set d_strctcpy
-eval $setvar
-$rm -f try.*
-
-: see if strerror and/or sys_errlist[] exist
-echo " "
-if test "X$d_strerror" = X -o "X$d_syserrlst" = X; then
- if set strerror val -f d_strerror; eval $csym; $val; then
- echo 'strerror() found.' >&4
- d_strerror="$define"
- d_strerrm='strerror(e)'
- if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
- echo "(You also have sys_errlist[], so we could roll our own strerror.)"
- d_syserrlst="$define"
- else
- echo "(Since you don't have sys_errlist[], sterror() is welcome.)"
- d_syserrlst="$undef"
- fi
- elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \
- $contains '#[ ]*define.*strerror' "$xxx" >/dev/null 2>&1; then
- echo 'strerror() found in string header.' >&4
- d_strerror="$define"
- d_strerrm='strerror(e)'
- if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
- echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)"
- d_syserrlst="$define"
- else
- echo "(You don't appear to have any sys_errlist[], how can this be?)"
- d_syserrlst="$undef"
+ if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
+ voidflags=$defvoidused
+ echo "Good. It appears to support void to the level $package wants.">&4
+ if $contains warning .out >/dev/null 2>&1; then
+ echo "However, you might get some warnings that look like this:"
+ $cat .out
fi
- elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then
- echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4
- d_strerror="$undef"
- d_syserrlst="$define"
- d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])'
- else
- echo 'strerror() and sys_errlist[] NOT found.' >&4
- d_strerror="$undef"
- d_syserrlst="$undef"
- d_strerrm='"unknown"'
- fi
-fi
-
-: see if strtod exists
-set strtod d_strtod
-eval $inlibc
-
-: see if strtol exists
-set strtol d_strtol
-eval $inlibc
-
-: see if strtoul exists
-set strtoul d_strtoul
-eval $inlibc
-
-: see if strxfrm exists
-set strxfrm d_strxfrm
-eval $inlibc
-
-: see if symlink exists
-set symlink d_symlink
-eval $inlibc
-
-: see if syscall exists
-set syscall d_syscall
-eval $inlibc
-
-: see if sysconf exists
-set sysconf d_sysconf
-eval $inlibc
-
-: see if system exists
-set system d_system
-eval $inlibc
-
-: see if tcgetpgrp exists
-set tcgetpgrp d_tcgetpgrp
-eval $inlibc
-
-: see if tcsetpgrp exists
-set tcsetpgrp d_tcsetpgrp
-eval $inlibc
-
-: see if sys/types.h has to be included
-set sys/types.h i_systypes
-eval $inhdr
-
-: see if prototype for telldir is available
-echo " "
-set d_telldirproto telldir $i_systypes sys/types.h $i_dirent dirent.h
-eval $hasproto
-
-: define an is-a-typedef? function
-typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
-case "$inclist" in
-"") inclist="sys/types.h";;
-esac;
-eval "varval=\$$var";
-case "$varval" in
-"")
- $rm -f temp.c;
- for inc in $inclist; do
- echo "#include <$inc>" >>temp.c;
- done;
- echo "#ifdef $type" >> temp.c;
- echo "printf(\"We have $type\");" >> temp.c;
- echo "#endif" >> temp.c;
- $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
- if $contains $type temp.E >/dev/null 2>&1; then
- eval "$var=\$type";
- else
- eval "$var=\$def";
- fi;
- $rm -f temp.?;;
-*) eval "$var=\$varval";;
-esac'
-
-: define an is-a-typedef? function that prompts if the type is not available.
-typedef_ask='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
-case "$inclist" in
-"") inclist="sys/types.h";;
-esac;
-eval "varval=\$$var";
-case "$varval" in
-"")
- $rm -f temp.c;
- for inc in $inclist; do
- echo "#include <$inc>" >>temp.c;
- done;
- echo "#ifdef $type" >> temp.c;
- echo "printf(\"We have $type\");" >> temp.c;
- echo "#endif" >> temp.c;
- $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
- echo " " ;
- echo "$rp" | $sed -e "s/What is/Looking for/" -e "s/?/./";
- if $contains $type temp.E >/dev/null 2>&1; then
- echo "$type found." >&4;
- eval "$var=\$type";
else
- echo "$type NOT found." >&4;
- dflt="$def";
- . ./myread ;
- eval "$var=\$ans";
- fi;
- $rm -f temp.?;;
-*) eval "$var=\$varval";;
-esac'
-
-: see if this is a sys/times.h system
-set sys/times.h i_systimes
-eval $inhdr
-
-: see if times exists
-echo " "
-if set times val -f d_times; eval $csym; $val; then
- echo 'times() found.' >&4
- d_times="$define"
- inc=''
- case "$i_systimes" in
- "$define") inc='sys/times.h';;
- esac
- rp="What is the type returned by times() on this system?"
- set clock_t clocktype long stdio.h sys/types.h $inc
- eval $typedef_ask
-else
- echo 'times() NOT found, hope that will do.' >&4
- d_times="$undef"
- clocktype='int'
-fi
+echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
+ if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
+ echo "It supports 1..."
+ if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
+ echo "It also supports 2..."
+ if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then
+ voidflags=7
+ echo "And it supports 4 but not 8 definitely."
+ else
+ echo "It doesn't support 4..."
+ if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then
+ voidflags=11
+ echo "But it supports 8."
+ else
+ voidflags=3
+ echo "Neither does it support 8."
+ fi
+ fi
+ else
+ echo "It does not support 2..."
+ if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then
+ voidflags=13
+ echo "But it supports 4 and 8."
+ else
+ if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
+ voidflags=5
+ echo "And it supports 4 but has not heard about 8."
+ else
+ echo "However it supports 8 but not 4."
+ fi
+ fi
+ fi
+ else
+ echo "There is no support at all for void."
+ voidflags=0
+ fi
+ fi
+esac
+case "$voidflags" in
+"$defvoidused") ;;
+*) $cat >&4 <<'EOM'
+ Support flag bits are:
+ 1: basic void declarations.
+ 2: arrays of pointers to functions returning void.
+ 4: operations between pointers to and addresses of void functions.
+ 8: generic void pointers.
+EOM
+ dflt="$voidflags";
+ rp="Your void support flags add up to what?"
+ . ./myread
+ voidflags="$ans"
+ ;;
+esac
+$rm -f try.* .out
-: see if truncate exists
-set truncate d_truncate
-eval $inlibc
-: see if tzname[] exists
+: How can we generate normalized random numbers ?
echo " "
-if set tzname val -a d_tzname; eval $csym; $val; then
- val="$define"
- echo 'tzname[] found.' >&4
-else
- val="$undef"
- echo 'tzname[] NOT found.' >&4
-fi
-set d_tzname
-eval $setvar
-
-: see if umask exists
-set umask d_umask
-eval $inlibc
-
-: backward compatibility for d_hvfork
-if test X$d_hvfork != X; then
- d_vfork="$d_hvfork"
- d_hvfork=''
-fi
-: see if there is a vfork
-val=''
-set vfork val
-eval $inlibc
-
-: Ok, but do we want to use it. vfork is reportedly unreliable in
-: perl on Solaris 2.x, and probably elsewhere.
-case "$val" in
-$define)
+echo "Looking for a random number function..." >&4
+case "$randfunc" in
+'')
+ if set drand48 val -f; eval $csym; $val; then
+ dflt="drand48"
+ echo "Good, found drand48()." >&4
+ elif set random val -f; eval $csym; $val; then
+ dflt="random"
+ echo "OK, found random()." >&4
+ else
+ dflt="rand"
+ echo "Yick, looks like I have to use rand()." >&4
+ fi
echo " "
- case "$usevfork" in
- false) dflt='n';;
- *) dflt='y';;
- esac
- cat <<'EOM'
-
-Perl can only use a vfork() that doesn't suffer from strict
-restrictions on calling functions or modifying global data in
-the child. For example, glibc-2.1 contains such a vfork()
-that is unsuitable. If your system provides a proper fork()
-call, chances are that you do NOT want perl to use vfork().
-
-EOM
- rp="Do you still want to use vfork()?"
- . ./myread
- case "$ans" in
- y|Y) ;;
- *)
- echo "Ok, we won't use vfork()."
- val="$undef"
- ;;
- esac
+ ;;
+*)
+ dflt="$randfunc"
;;
esac
-set d_vfork
-eval $setvar
-case "$d_vfork" in
-$define) usevfork='true';;
-*) usevfork='false';;
+cont=true
+
+case "$ccflags" in
+*-Dmy_rand=*|*-Dmy_srand=*)
+ echo "Removing obsolete -Dmy_rand, -Dmy_srand, and -Drandbits from ccflags." >&4
+ ccflags="`echo $ccflags | sed -e 's/-Dmy_rand=random/ /'`"
+ ccflags="`echo $ccflags | sed -e 's/-Dmy_srand=srandom/ /'`"
+ ccflags="`echo $ccflags | sed -e 's/-Drandbits=[0-9][0-9]*/ /'`"
+ ;;
esac
-: see if this is an sysdir system
-set sys/dir.h i_sysdir
-eval $inhdr
+while $test "$cont"; do
+ rp="Use which function to generate random numbers?"
+ . ./myread
+ if $test "$ans" = "$dflt"; then
+ : null
+ else
+ randbits=''
+ fi
+ randfunc="$ans"
+ if set $ans val -f; eval $csym; $val; then
+ cont=''
+ else
+ dflt=y
+ rp="I cannot find function $ans. Use that name anyway?"
+ . ./myread
+ dflt=rand
+ case "$ans" in
+ [yY]*) cont='';;
+ esac
+ fi
+ case "$cont" in
+ '')
+ case "$randfunc" in
+ drand48)
+ drand01="drand48()"
+ seedfunc="srand48"
+ randbits=48
+ randseedtype=long
+ ;;
+ rand|random)
+ case "$randbits" in
+ '')
+echo "Checking to see how many bits your $randfunc() function produces..." >&4
+ $cat >try.c <<EOCP
+#$i_unistd I_UNISTD
+#$i_stdlib I_STDLIB
+#include <stdio.h>
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+int main()
+{
+ register int i;
+ register unsigned long tmp;
+ register unsigned long max = 0L;
-: see if this is an sysndir system
-set sys/ndir.h i_sysndir
-eval $inhdr
+ for (i = 1000; i; i--) {
+ tmp = (unsigned long) $randfunc();
+ if (tmp > max) max = tmp;
+ }
+ for (i = 0; max; i++)
+ max /= 2;
+ printf("%d\n",i);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ dflt=`try`
+ else
+ dflt='?'
+ echo "(I can't seem to compile the test program...)"
+ fi
+ ;;
+ *)
+ dflt="$randbits"
+ ;;
+ esac
+ rp="How many bits does your $randfunc() function produce?"
+ . ./myread
+ randbits="$ans"
+ $rm -f try.c try
+ drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
+ seedfunc="s$randfunc"
+ randseedtype=unsigned
+ ;;
+ *)
+ dflt="31"
+ rp="How many bits does your $randfunc() function produce?"
+ . ./myread
+ randbits="$ans"
+ seedfunc="s$randfunc"
+ drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
+ if set $seedfunc val -f; eval $csym; $val; then
+ echo "(Using $seedfunc() to seed random generator)"
+ else
+ echo "(Warning: no $seedfunc() to seed random generator)"
+ seedfunc=rand
+ fi
+ randseedtype=unsigned
+ ;;
+ esac
+ ;;
+ esac
+done
-: see if closedir exists
-set closedir d_closedir
-eval $inlibc
+echo " "
+echo "Determining whether or not we are on an EBCDIC system..." >&4
+$cat >tebcdic.c <<'EOM'
+int main()
+{
+ if ('M'==0xd4) return 0;
+ return 1;
+}
+EOM
-case "$d_closedir" in
-"$define")
- echo " "
- echo "Checking whether closedir() returns a status..." >&4
- cat > closedir.c <<EOM
-#$i_dirent I_DIRENT /**/
-#$i_sysdir I_SYS_DIR /**/
-#$i_sysndir I_SYS_NDIR /**/
-#$i_systypes I_SYS_TYPES /**/
+val=$undef
+set tebcdic
+if eval $compile_ok; then
+ if ./tebcdic; then
+ echo "You have EBCDIC." >&4
+ val="$define"
+ else
+ echo "Nope, no EBCDIC, probably ASCII or some ISO Latin." >&4
+ fi
+else
+ echo "I'm unable to compile the test program." >&4
+ echo "I'll assume ASCII or some ISO Latin." >&4
+fi
+$rm -f tebcdic.c tebcdic
+set ebcdic
+eval $setvar
-#if defined(I_SYS_TYPES)
-#include <sys/types.h>
+echo " "
+$cat >&4 <<EOM
+Checking how to flush all pending stdio output...
+EOM
+# I only know how to find the first 32 possibly open files on SunOS.
+# See also hints/sunos_4_1.sh and util.c --AD
+case "$osname" in
+sunos) $echo '#define PERL_FFLUSH_ALL_FOPEN_MAX 32' > try.c ;;
+esac
+$cat >>try.c <<EOCP
+#include <stdio.h>
+#$i_unistd I_UNISTD
+#ifdef I_UNISTD
+# include <unistd.h>
#endif
-#if defined(I_DIRENT)
-#include <dirent.h>
-#if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
-#include <sys/dir.h>
+#$d_sysconf HAS_SYSCONF
+#$d_stdio_stream_array HAS_STDIO_STREAM_ARRAY
+#ifdef HAS_STDIO_STREAM_ARRAY
+# define STDIO_STREAM_ARRAY $stdio_stream_array
#endif
+int main() {
+ FILE* p = fopen("try.out", "w");
+#ifdef TRY_FPUTC
+ fputc('x', p);
#else
-#ifdef I_SYS_NDIR
-#include <sys/ndir.h>
-#else
-#ifdef I_SYS_DIR
-#ifdef hp9000s500
-#include <ndir.h> /* may be wrong in the future */
-#else
-#include <sys/dir.h>
+# ifdef TRY_FPRINTF
+ fprintf(p, "x");
+# endif
#endif
+#ifdef TRY_FFLUSH_NULL
+ fflush(NULL);
#endif
+#ifdef TRY_FFLUSH_ALL
+ {
+ long open_max = -1;
+# ifdef PERL_FFLUSH_ALL_FOPEN_MAX
+ open_max = PERL_FFLUSH_ALL_FOPEN_MAX;
+# else
+# if defined(HAS_SYSCONF) && defined(_SC_OPEN_MAX)
+ open_max = sysconf(_SC_OPEN_MAX);
+# else
+# ifdef FOPEN_MAX
+ open_max = FOPEN_MAX;
+# else
+# ifdef OPEN_MAX
+ open_max = OPEN_MAX;
+# else
+# ifdef _NFILE
+ open_max = _NFILE;
+# endif
+# endif
+# endif
+# endif
+# endif
+# ifdef HAS_STDIO_STREAM_ARRAY
+ if (open_max > 0) {
+ long i;
+ for (i = 0; i < open_max; i++)
+ if (STDIO_STREAM_ARRAY[i]._file >= 0 &&
+ STDIO_STREAM_ARRAY[i]._file < open_max &&
+ STDIO_STREAM_ARRAY[i]._flag)
+ fflush(&STDIO_STREAM_ARRAY[i]);
+ }
+ }
+# endif
#endif
-#endif
-int main() { return closedir(opendir(".")); }
-EOM
- set closedir
- if eval $compile_ok; then
- if ./closedir > /dev/null 2>&1 ; then
- echo "Yes, it does."
- val="$undef"
+ _exit(42);
+}
+EOCP
+: first we have to find out how _not_ to flush
+if $test "X$fflushNULL" = X -o "X$fflushall" = X; then
+ output=''
+ set try -DTRY_FPUTC
+ if eval $compile; then
+ $rm -f try.out
+ ./try$exe_ext 2>/dev/null
+ if $test ! -s try.out -a "X$?" = X42; then
+ output=-DTRY_FPUTC
+ fi
+ fi
+ case "$output" in
+ '')
+ set try -DTRY_FPRINTF
+ $rm -f try.out
+ if eval $compile; then
+ $rm -f try.out
+ ./try$exe_ext 2>/dev/null
+ if $test ! -s try.out -a "X$?" = X42; then
+ output=-DTRY_FPRINTF
+ fi
+ fi
+ ;;
+ esac
+fi
+: check for fflush NULL behaviour
+case "$fflushNULL" in
+'') set try -DTRY_FFLUSH_NULL $output
+ if eval $compile; then
+ $rm -f try.out
+ ./try$exe_ext 2>/dev/null
+ code="$?"
+ if $test -s try.out -a "X$code" = X42; then
+ fflushNULL="`$cat try.out`"
else
- echo "No, it doesn't."
- val="$define"
+ if $test "X$code" != X42; then
+ $cat >&4 <<EOM
+(If this test failed, don't worry, we'll try another method shortly.)
+EOM
+ fi
fi
- else
- echo "(I can't seem to compile the test program--assuming it doesn't)"
- val="$define"
fi
+ $rm -f core try.core core.try.*
+ case "$fflushNULL" in
+ x) $cat >&4 <<EOM
+Your fflush(NULL) works okay.
+EOM
+ fflushNULL="$define"
+ ;;
+ '') $cat >&4 <<EOM
+Your fflush(NULL) isn't working (contrary to ANSI C).
+EOM
+ fflushNULL="$undef"
+ ;;
+ *) $cat >&4 <<EOM
+Cannot figure out whether your fflush(NULL) works or not.
+I'm assuming it doesn't (contrary to ANSI C).
+EOM
+ fflushNULL="$undef"
+ ;;
+ esac
+ ;;
+$define|true|[yY]*)
+ fflushNULL="$define"
;;
*)
- val="$undef";
+ fflushNULL="$undef"
;;
esac
-set d_void_closedir
-eval $setvar
-$rm -f closedir*
-: check for volatile keyword
-echo " "
-echo 'Checking to see if your C compiler knows about "volatile"...' >&4
-$cat >try.c <<'EOCP'
-int main()
-{
- typedef struct _goo_struct goo_struct;
- goo_struct * volatile goo = ((goo_struct *)0);
- struct _goo_struct {
- long long_int;
- int reg_int;
- char char_var;
- };
- typedef unsigned short foo_t;
- char *volatile foo;
- volatile int bar;
- volatile foo_t blech;
- foo = foo;
-}
-EOCP
-if $cc -c $ccflags try.c >/dev/null 2>&1 ; then
- val="$define"
- echo "Yup, it does."
-else
- val="$undef"
- echo "Nope, it doesn't."
-fi
-set d_volatile
-eval $setvar
-$rm -f try.*
-
-: see if there is a wait4
-set wait4 d_wait4
-eval $inlibc
-
-: see if waitpid exists
-set waitpid d_waitpid
-eval $inlibc
-
-: see if wcstombs exists
-set wcstombs d_wcstombs
-eval $inlibc
-
-: see if wctomb exists
-set wctomb d_wctomb
-eval $inlibc
-
-: see if writev exists
-set writev d_writev
-eval $inlibc
-
-: preserve RCS keywords in files with variable substitution, grrr
-Date='$Date'
-Id='$Id'
-Log='$Log'
-RCSfile='$RCSfile'
-Revision='$Revision'
-
-case "$crosscompile" in
-''|[nN]*) crosscompile="$undef" ;;
-esac
-
-case "$osname" in
-next|rhapsody) multiarch="$define" ;;
-esac
-case "$multiarch" in
-''|[nN]*) multiarch="$undef" ;;
-esac
-
-: check for alignment requirements
-echo " "
-case "$crosscompile$multiarch" in
-*$define*)
- $cat <<EOM
-You seem to be either cross-compiling or doing a multiarchitecture build,
-skipping the memory alignment check.
-
+: check explicit looping only if NULL did not work
+case "$fflushNULL" in
+"$undef")
+ : check for fflush all behaviour
+ case "$fflushall" in
+ '') set try -DTRY_FFLUSH_ALL $output
+ if eval $compile; then
+ $cat >&4 <<EOM
+(Now testing the other method--but note that also this may fail.)
EOM
- case "$alignbytes" in
- '') alignbytes=8 ;;
- esac
- ;;
-*)
- case "$alignbytes" in
- '') echo "Checking alignment constraints..." >&4
- $cat >try.c <<'EOCP'
-struct foobar {
- char foo;
- double bar;
-} try_algn;
-int main()
-{
- printf("%d\n", (char *)&try_algn.bar - (char *)&try_algn.foo);
-}
-EOCP
- set try
- if eval $compile_ok; then
- dflt=`./try`
- else
- dflt='8'
- echo "(I can't seem to compile the test program...)"
+ $rm -f try.out
+ ./try$exe_ext 2>/dev/null
+ if $test -s try.out -a "X$?" = X42; then
+ fflushall="`$cat try.out`"
+ fi
fi
+ $rm -f core try.core core.try.*
+ case "$fflushall" in
+ x) $cat >&4 <<EOM
+Whew. Flushing explicitly all the stdio streams works.
+EOM
+ fflushall="$define"
+ ;;
+ '') $cat >&4 <<EOM
+Sigh. Flushing explicitly all the stdio streams doesn't work.
+EOM
+ fflushall="$undef"
+ ;;
+ *) $cat >&4 <<EOM
+Cannot figure out whether flushing stdio streams explicitly works or not.
+I'm assuming it doesn't.
+EOM
+ fflushall="$undef"
+ ;;
+ esac
;;
- *) dflt="$alignbytes"
+ "$define"|true|[yY]*)
+ fflushall="$define"
+ ;;
+ *)
+ fflushall="$undef"
;;
esac
- rp="Doubles must be aligned on a how-many-byte boundary?"
- . ./myread
- alignbytes="$ans"
- $rm -f try.c try
+ ;;
+*) fflushall="$undef"
;;
esac
-
-
-: check for ordering of bytes in a long
-echo " "
-case "$crosscompile$multiarch" in
-*$define*)
+case "$fflushNULL$fflushall" in
+undefundef)
$cat <<EOM
-You seem to be either cross-compiling or doing a multiarchitecture build,
-skipping the byteorder check.
-
+I cannot figure out how to flush pending stdio output.
EOM
- byteorder=''
;;
-*)
- case "$byteorder" in
- '')
- $cat <<'EOM'
-In the following, larger digits indicate more significance. A big-endian
-machine like a Pyramid or a Motorola 680?0 chip will come out to 4321. A
-little-endian machine like a Vax or an Intel 80?86 chip would be 1234. Other
-machines may have weird orders like 3412. A Cray will report 87654321. If
-the test program works the default is probably right.
-I'm now running the test program...
-EOM
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- int i;
- union {
- unsigned long l;
- char c[sizeof(long)];
- } u;
+esac
+$rm -f try.* try$exe_ext
- if (sizeof(long) > 4)
- u.l = (0x08070605L << 32) | 0x04030201L;
- else
- u.l = 0x04030201L;
- for (i = 0; i < sizeof(long); i++)
- printf("%c", u.c[i]+'0');
- printf("\n");
- exit(0);
+: Store the full pathname to the ar program for use in the C program
+: Respect a hint or command line value for full_ar.
+case "$full_ar" in
+'') full_ar=$ar ;;
+esac
+
+: Store the full pathname to the sed program for use in the C program
+full_sed=$sed
+
+: see what type gids are declared as in the kernel
+echo " "
+echo "Looking for the type for group ids returned by getgid()."
+set gid_t gidtype xxx stdio.h sys/types.h
+eval $typedef
+case "$gidtype" in
+xxx)
+ xxx=`./findhdr sys/user.h`
+ set `grep 'groups\[NGROUPS\];' "$xxx" 2>/dev/null` unsigned short
+ case $1 in
+ unsigned) dflt="$1 $2" ;;
+ *) dflt="$1" ;;
+ esac
+ ;;
+*) dflt="$gidtype";;
+esac
+case "$gidtype" in
+gid_t) echo "gid_t found." ;;
+*) rp="What is the type for group ids returned by getgid()?"
+ . ./myread
+ gidtype="$ans"
+ ;;
+esac
+
+echo " "
+case "$gidtype" in
+*_t) zzz="$gidtype" ;;
+*) zzz="gid" ;;
+esac
+echo "Checking the size of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ printf("%d\n", (int)sizeof($gidtype));
+ exit(0);
}
EOCP
- xxx_prompt=y
- set try
- if eval $compile && ./try > /dev/null; then
- dflt=`./try`
- case "$dflt" in
- [1-4][1-4][1-4][1-4]|12345678|87654321)
- echo "(The test program ran ok.)"
- echo "byteorder=$dflt"
- xxx_prompt=n
- ;;
- ????|????????) echo "(The test program ran ok.)" ;;
- *) echo "(The test program didn't run right for some reason.)" ;;
- esac
- else
- dflt='4321'
- cat <<'EOM'
-(I can't seem to compile the test program. Guessing big-endian...)
-EOM
- fi
- case "$xxx_prompt" in
- y)
- rp="What is the order of bytes in a long?"
- . ./myread
- byteorder="$ans"
- ;;
- *) byteorder=$dflt
- ;;
- esac
+set try
+if eval $compile_ok; then
+ yyy=`./try`
+ case "$yyy" in
+ '') gidsize=4
+ echo "(I can't execute the test program--guessing $gidsize.)" >&4
+ ;;
+ *) gidsize=$yyy
+ echo "Your $zzz size is $gidsize bytes."
;;
esac
- $rm -f try.c try
- ;;
-esac
+else
+ gidsize=4
+ echo "(I can't compile the test program--guessing $gidsize.)" >&4
+fi
-: how do we catenate cpp tokens here?
echo " "
-echo "Checking to see how your cpp does stuff like catenate tokens..." >&4
-$cat >cpp_stuff.c <<'EOCP'
-#define RCAT(a,b)a/**/b
-#define ACAT(a,b)a ## b
-RCAT(Rei,ser)
-ACAT(Cir,cus)
+case "$gidtype" in
+*_t) zzz="$gidtype" ;;
+*) zzz="gid" ;;
+esac
+echo "Checking the sign of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ $gidtype foo = -1;
+ if (foo < 0)
+ printf("-1\n");
+ else
+ printf("1\n");
+}
EOCP
-$cppstdin $cppflags $cppminus <cpp_stuff.c >cpp_stuff.out 2>&1
-if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then
- echo "Oh! Smells like ANSI's been here." >&4
- echo "We can catify or stringify, separately or together!"
- cpp_stuff=42
-elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then
- echo "Ah, yes! The good old days!" >&4
- echo "However, in the good old days we don't know how to stringify and"
- echo "catify at the same time."
- cpp_stuff=1
+set try
+if eval $compile; then
+ yyy=`./try`
+ case "$yyy" in
+ '') gidsign=1
+ echo "(I can't execute the test program--guessing unsigned.)" >&4
+ ;;
+ *) gidsign=$yyy
+ case "$gidsign" in
+ 1) echo "Your $zzz is unsigned." ;;
+ -1) echo "Your $zzz is signed." ;;
+ esac
+ ;;
+ esac
else
- $cat >&4 <<EOM
-Hmm, I don't seem to be able to catenate tokens with your cpp. You're going
-to have to edit the values of CAT[2-5] in config.h...
-EOM
- cpp_stuff="/* Help! How do we handle cpp_stuff? */*/"
+ gidsign=1
+ echo "(I can't compile the test program--guessing unsigned.)" >&4
fi
-$rm -f cpp_stuff.*
-: see if this is a db.h system
-set db.h i_db
-eval $inhdr
-case "$i_db" in
-$define)
- : Check db version.
- echo " "
- echo "Checking Berkeley DB version ..." >&4
- $cat >try.c <<EOCP
-#$d_const HASCONST
-#ifndef HASCONST
-#define const
-#endif
-#include <sys/types.h>
+: check for length of character
+echo " "
+case "$charsize" in
+'')
+ echo "Checking to see how big your characters are (hey, you never know)..." >&4
+ $cat >try.c <<'EOCP'
#include <stdio.h>
-#include <db.h>
int main()
{
-#ifdef DB_VERSION_MAJOR /* DB version >= 2 */
- int Major, Minor, Patch ;
- unsigned long Version ;
- (void)db_version(&Major, &Minor, &Patch) ;
- printf("You have Berkeley DB Version 2 or greater\n");
-
- printf("db.h is from Berkeley DB Version %d.%d.%d\n",
- DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH);
- printf("libdb is from Berkeley DB Version %d.%d.%d\n",
- Major, Minor, Patch) ;
-
- /* check that db.h & libdb are compatible */
- if (DB_VERSION_MAJOR != Major || DB_VERSION_MINOR != Minor || DB_VERSION_PATCH != Patch) {
- printf("db.h and libdb are incompatible\n") ;
- exit(3);
- }
-
- printf("db.h and libdb are compatible\n") ;
-
- Version = DB_VERSION_MAJOR * 1000000 + DB_VERSION_MINOR * 1000
- + DB_VERSION_PATCH ;
-
- /* needs to be >= 2.3.4 */
- if (Version < 2003004) {
- /* if (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR == 0 && DB_VERSION_PATCH < 5) { */
- printf("but Perl needs Berkeley DB 2.3.4 or greater\n") ;
- exit(2);
- }
-
+ printf("%d\n", (int)sizeof(char));
exit(0);
-#else
-#if defined(_DB_H_) && defined(BTREEMAGIC) && defined(HASHMAGIC)
- printf("You have Berkeley DB Version 1\n");
- exit(0); /* DB version < 2: the coast is clear. */
-#else
- exit(1); /* <db.h> not Berkeley DB? */
-#endif
-#endif
}
EOCP
set try
- if eval $compile && ./try; then
- echo 'Looks OK.' >&4
+ if eval $compile_ok; then
+ dflt=`./try`
else
- echo "I can't use Berkeley DB with your <db.h>. I'll disable Berkeley DB." >&4
- i_db=$undef
- case " $libs " in
- *"-ldb "*)
- : Remove db from list of libraries to use
- echo "Removing unusable -ldb from library list" >&4
- set `echo X $libs | $sed -e 's/-ldb / /' -e 's/-ldb$//'`
- shift
- libs="$*"
- echo "libs = $libs" >&4
- ;;
- esac
+ dflt='1'
+ echo "(I can't seem to compile the test program. Guessing...)"
fi
- $rm -f try.*
+ ;;
+*)
+ dflt="$charsize"
;;
esac
+rp="What is the size of a character (in bytes)?"
+. ./myread
+charsize="$ans"
+$rm -f try.c try
-case "$i_db" in
-define)
- : Check the return type needed for hash
- echo " "
- echo "Checking return type needed for hash for Berkeley DB ..." >&4
- $cat >try.c <<EOCP
-#$d_const HASCONST
-#ifndef HASCONST
-#define const
-#endif
-#include <sys/types.h>
-#include <db.h>
-#ifndef DB_VERSION_MAJOR
-u_int32_t hash_cb (ptr, size)
-const void *ptr;
-size_t size;
-{
-}
-HASHINFO info;
-int main()
-{
- info.hash = hash_cb;
-}
-#endif
-EOCP
- if $cc $ccflags -c try.c >try.out 2>&1 ; then
- if $contains warning try.out >>/dev/null 2>&1 ; then
- db_hashtype='int'
- else
- db_hashtype='u_int32_t'
- fi
- else
- : XXX Maybe we should just give up here.
- db_hashtype=u_int32_t
- $cat try.out >&4
- echo "Help: I can't seem to compile the db test program." >&4
- echo "Something's wrong, but I'll assume you use $db_hashtype." >&4
- fi
- $rm -f try.*
- echo "Your version of Berkeley DB uses $db_hashtype for hash."
+echo " "
+$echo "Choosing the C types to be used for Perl's internal types..." >&4
+
+case "$use64bits:$d_quad:$quadtype" in
+define:define:?*)
+ ivtype="$quadtype"
+ uvtype="$uquadtype"
+ ivsize=8
+ uvsize=8
;;
-*) db_hashtype=u_int32_t
+*) ivtype="long"
+ uvtype="unsigned long"
+ ivsize=$longsize
+ uvsize=$longsize
;;
esac
-case "$i_db" in
-define)
- : Check the return type needed for prefix
- echo " "
- echo "Checking return type needed for prefix for Berkeley DB ..." >&4
- cat >try.c <<EOCP
-#$d_const HASCONST
-#ifndef HASCONST
-#define const
-#endif
-#include <sys/types.h>
-#include <db.h>
-#ifndef DB_VERSION_MAJOR
-size_t prefix_cb (key1, key2)
-const DBT *key1;
-const DBT *key2;
-{
-}
-BTREEINFO info;
-int main()
-{
- info.prefix = prefix_cb;
-}
-#endif
-EOCP
- if $cc $ccflags -c try.c >try.out 2>&1 ; then
- if $contains warning try.out >>/dev/null 2>&1 ; then
- db_prefixtype='int'
- else
- db_prefixtype='size_t'
- fi
- else
- db_prefixtype='size_t'
- : XXX Maybe we should just give up here.
- $cat try.out >&4
- echo "Help: I can't seem to compile the db test program." >&4
- echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4
- fi
- $rm -f try.*
- echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
+case "$uselongdouble:$d_longdbl" in
+define:define)
+ nvtype="long double"
+ nvsize=$longdblsize
;;
-*) db_prefixtype='size_t'
+*) nvtype=double
+ nvsize=$doublesize
;;
esac
-: check for void type
-echo " "
-echo "Checking to see how well your C compiler groks the void type..." >&4
-case "$voidflags" in
-'')
- $cat >try.c <<'EOCP'
-#if TRY & 1
-void sub() {
-#else
-sub() {
+echo "(IV will be "$ivtype", $ivsize bytes)"
+echo "(UV will be "$uvtype", $uvsize bytes)"
+echo "(NV will be "$nvtype", $nvsize bytes)"
+
+$cat >try.c <<EOCP
+#$i_inttypes I_INTTYPES
+#ifdef I_INTTYPES
+#include <inttypes.h>
#endif
- extern void moo(); /* function returning void */
- void (*goo)(); /* ptr to func returning void */
-#if TRY & 8
- void *hue; /* generic ptr */
+#include <stdio.h>
+int main() {
+#ifdef INT8
+ int8_t i = INT8_MAX;
+ uint8_t u = UINT8_MAX;
+ printf("int8_t\n");
#endif
-#if TRY & 2
- void (*foo[10])();
+#ifdef INT16
+ int16_t i = INT16_MAX;
+ uint16_t i = UINT16_MAX;
+ printf("int16_t\n");
#endif
-
-#if TRY & 4
- if(goo == moo) {
- exit(0);
- }
+#ifdef INT32
+ int32_t i = INT32_MAX;
+ uint32_t u = UINT32_MAX;
+ printf("int32_t\n");
#endif
- exit(0);
}
-int main() { sub(); }
EOCP
- if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
- voidflags=$defvoidused
- echo "Good. It appears to support void to the level $package wants.">&4
- if $contains warning .out >/dev/null 2>&1; then
- echo "However, you might get some warnings that look like this:"
- $cat .out
- fi
- else
-echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
- if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
- echo "It supports 1..."
- if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
- echo "It also supports 2..."
- if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then
- voidflags=7
- echo "And it supports 4 but not 8 definitely."
- else
- echo "It doesn't support 4..."
- if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then
- voidflags=11
- echo "But it supports 8."
- else
- voidflags=3
- echo "Neither does it support 8."
- fi
- fi
- else
- echo "It does not support 2..."
- if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then
- voidflags=13
- echo "But it supports 4 and 8."
- else
- if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
- voidflags=5
- echo "And it supports 4 but has not heard about 8."
- else
- echo "However it supports 8 but not 4."
- fi
- fi
- fi
- else
- echo "There is no support at all for void."
- voidflags=0
- fi
+
+case "$i8type" in
+'') case "$charsize" in
+ 1) i8type=char
+ u8type="unsigned char"
+ i8size=$charsize
+ u8size=$charsize
+ ;;
+ esac
+ ;;
+esac
+case "$i8type" in
+'') set try -DINT8
+ if eval $compile; then
+ case "`./try$exe_ext`" in
+ int8_t) i8type=int8_t
+ u8type=uint8_t
+ i8size=1
+ u8size=1
+ ;;
+ esac
fi
+ ;;
esac
-case "$voidflags" in
-"$defvoidused") ;;
-*) $cat >&4 <<'EOM'
- Support flag bits are:
- 1: basic void declarations.
- 2: arrays of pointers to functions returning void.
- 4: operations between pointers to and addresses of void functions.
- 8: generic void pointers.
-EOM
- dflt="$voidflags";
- rp="Your void support flags add up to what?"
- . ./myread
- voidflags="$ans"
+case "$i8type" in
+'') if $test $charsize -ge 1; then
+ i8type=char
+ u8type="unsigned char"
+ i8size=$charsize
+ u8size=$charsize
+ fi
;;
esac
-$rm -f try.* .out
+case "$i16type" in
+'') case "$shortsize" in
+ 2) i16type=short
+ u16type="unsigned short"
+ i16size=$shortsize
+ u16size=$shortsize
+ ;;
+ esac
+ ;;
+esac
+case "$i16type" in
+'') set try -DINT16
+ if eval $compile; then
+ case "`./try$exe_ext`" in
+ int16_t)
+ i16type=int16_t
+ u16type=uint16_t
+ i16size=2
+ u16size=2
+ ;;
+ esac
+ fi
+ ;;
+esac
+case "$i16type" in
+'') if $test $shortsize -ge 2; then
+ i16type=short
+ u16type="unsigned short"
+ i16size=$shortsize
+ u16size=$shortsize
+ fi
+ ;;
+esac
-: How can we generate normalized random numbers ?
-echo " "
-echo "Looking for a random number function..." >&4
-case "$randfunc" in
-'')
- if set drand48 val -f; eval $csym; $val; then
- dflt="drand48"
- echo "Good, found drand48()." >&4
- elif set random val -f; eval $csym; $val; then
- dflt="random"
- echo "OK, found random()." >&4
- else
- dflt="rand"
- echo "Yick, looks like I have to use rand()." >&4
+case "$i32type" in
+'') case "$longsize" in
+ 4) i32type=long
+ u32type="unsigned long"
+ i32size=$longsize
+ u32size=$longsize
+ ;;
+ *) case "$intsize" in
+ 4) i32type=int
+ u32type="unsigned int"
+ i32size=$intsize
+ u32size=$intsize
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+esac
+case "$i32type" in
+'') set try -DINT32
+ if eval $compile; then
+ case "`./try$exe_ext`" in
+ int32_t)
+ i32type=int32_t
+ u32type=uint32_t
+ i32size=4
+ u32size=4
+ ;;
+ esac
fi
- echo " "
;;
-*)
- dflt="$randfunc"
+esac
+case "$i32type" in
+'') if $test $intsize -ge 4; then
+ i32type=int
+ u32type="unsigned int"
+ i32size=$intsize
+ u32size=$intsize
+ fi
;;
esac
-cont=true
-case "$ccflags" in
-*-Dmy_rand=*|*-Dmy_srand=*)
- echo "Removing obsolete -Dmy_rand, -Dmy_srand, and -Drandbits from ccflags." >&4
- ccflags="`echo $ccflags | sed -e 's/-Dmy_rand=random/ /'`"
- ccflags="`echo $ccflags | sed -e 's/-Dmy_srand=srandom/ /'`"
- ccflags="`echo $ccflags | sed -e 's/-Drandbits=[0-9][0-9]*/ /'`"
+case "$i64type" in
+'') case "$d_quad:$quadtype" in
+ define:?*)
+ i64type="$quadtype"
+ u64type="$uquadtype"
+ i64size=8
+ u64size=8
+ ;;
+ esac
;;
esac
-while $test "$cont"; do
- rp="Use which function to generate random numbers?"
- . ./myread
- if $test "$ans" = "$dflt"; then
- : null
- else
- randbits=''
- fi
- randfunc="$ans"
- if set $ans val -f; eval $csym; $val; then
- cont=''
- else
- dflt=y
- rp="I cannot find function $ans. Use that name anyway?"
- . ./myread
- dflt=rand
- case "$ans" in
- [yY]*) cont='';;
+$rm -f try.* try
+
+echo " "
+
+if $test X"$quadtype" != X; then
+
+echo "Checking how to print 64-bit integers..." >&4
+
+if $test X"$sPRId64" = X -a X"$quadtype" = Xint; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ int q = 12345678901;
+ printf("%ld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"d"'; sPRIi64='"i"'; sPRIu64='"u"';
+ sPRIo64='"o"'; sPRIx64='"x"'; sPRIX64='"X"';
+ echo "We will use %d."
+ ;;
esac
fi
- case "$cont" in
- '')
- case "$randfunc" in
- drand48)
- drand01="drand48()"
- seedfunc="srand48"
- randbits=48
- randseedtype=long
- ;;
- rand|random)
- case "$randbits" in
- '')
-echo "Checking to see how many bits your $randfunc() function produces..." >&4
- $cat >try.c <<EOCP
-#$i_unistd I_UNISTD
-#$i_stdlib I_STDLIB
+fi
+
+if $test X"$sPRId64" = X -a X"$quadtype" = Xlong; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
#include <stdio.h>
-#ifdef I_UNISTD
-# include <unistd.h>
-#endif
-#ifdef I_STDLIB
-# include <stdlib.h>
-#endif
-int main()
-{
- register int i;
- register unsigned long tmp;
- register unsigned long max = 0L;
+int main() {
+ long q = 12345678901;
+ printf("%ld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"ld"'; sPRIi64='"li"'; sPRIu64='"lu"';
+ sPRIo64='"lo"'; sPRIx64='"lx"'; sPRIX64='"lX"';
+ echo "We will use %ld."
+ ;;
+ esac
+ fi
+fi
- for (i = 1000; i; i--) {
- tmp = (unsigned long) $randfunc();
- if (tmp > max) max = tmp;
- }
- for (i = 0; max; i++)
- max /= 2;
- printf("%d\n",i);
+if $test X"$sPRId64" = X -a X"$i_inttypes.h" = X"$define" -a X"$quadtype" = Xint64_t; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <inttypes.h>
+#include <stdio.h>
+int main() {
+ int64_t q = 12345678901;
+ printf("%" PRId64 "\n", q);
}
EOCP
- set try
- if eval $compile_ok; then
- dflt=`try`
- else
- dflt='?'
- echo "(I can't seem to compile the test program...)"
- fi
- ;;
- *)
- dflt="$randbits"
- ;;
- esac
- rp="How many bits does your $randfunc() function produce?"
- . ./myread
- randbits="$ans"
- $rm -f try.c try
- drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
- seedfunc="s$randfunc"
- randseedtype=unsigned
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64=PRId64; sPRIi64=PRIi64; sPRIu64=PRIu64;
+ sPRIo64=PRIo64; sPRIx64=PRIx64; sPRIX64=PRIX64;
+ echo "We will use the C9X style."
;;
- *)
- dflt="31"
- rp="How many bits does your $randfunc() function produce?"
- . ./myread
- randbits="$ans"
- seedfunc="s$randfunc"
- drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
- if set $seedfunc val -f; eval $csym; $val; then
- echo "(Using $seedfunc() to seed random generator)"
- else
- echo "(Warning: no $seedfunc() to seed random generator)"
- seedfunc=rand
- fi
- randseedtype=unsigned
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$quadtype" = X"long long"; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long long q = 12345678901LL; /* AIX cc requires the LL prefix. */
+ printf("%lld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"lld"'; sPRIi64='"lli"'; sPRIu64='"llu"';
+ sPRIo64='"llo"'; sPRIx64='"llx"'; sPRIX64='"llX"';
+ echo "We will use the %lld style."
;;
esac
- ;;
- esac
-done
+ fi
+fi
-echo " "
-echo "Determining whether or not we are on an EBCDIC system..." >&4
-$cat >tebcdic.c <<'EOM'
-int main()
-{
- if ('M'==0xd4) return 0;
- return 1;
+if $test X"$sPRId64" = X -a X"$quadtype" != X; then
+ $cat >try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ $quadtype q = 12345678901;
+ printf("%Ld\n", q);
}
-EOM
-
-val=$undef
-set tebcdic
-if eval $compile_ok; then
- if ./tebcdic; then
- echo "You have EBCDIC." >&4
- val="$define"
- else
- echo "Nope, no EBCDIC. Assuming ASCII or some ISO Latin." >&4
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"Ld"'; sPRIi64='"Li"'; sPRIu64='"Lu"';
+ sPRIo64='"Lo"'; sPRIx64='"Lx"'; sPRIX64='"LX"';
+ echo "We will use %Ld."
+ ;;
+ esac
fi
-else
- echo "I'm unable to compile the test program." >&4
- echo "I'll assume ASCII or some ISO Latin." >&4
fi
-$rm -f tebcdic.c tebcdic
-set ebcdic
-eval $setvar
-
-: check for fflush NULL behaviour
-case "$fflushNULL" in
-'') $cat <<EOM
-Checking to see whether fflush(NULL) flushes all pending stdio output...
-EOM
+if $test X"$sPRId64" = X -a X"$quadtype" != X; then
$cat >try.c <<EOCP
+#include <sys/types.h>
#include <stdio.h>
int main() {
- FILE* p = fopen("try.out", "w");
- fputc('x', p);
- fflush(NULL);
- _exit(0);
+ $quadtype q = 12345678901;
+ printf("%qd\n", q);
}
EOCP
set try
- $rm -f try.out
- if eval $compile_ok; then
- ./try$exe_ext
- if $test -s try.out; then
- fflushNULL="`$cat try.out`"
- fi
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"qd"'; sPRIi64='"qi"'; sPRIu64='"qu"';
+ sPRIo64='"qo"'; sPRIx64='"qx"'; sPRIX64='"qX"';
+ echo "We will use %qd."
+ ;;
+ esac
fi
- case "$fflushNULL" in
- x) cat >&4 <<EOM
-Your fflush(NULL) works okay.
-EOM
- fflushNULL=define
- ;;
- '') cat >&4 <<EOM
-Your fflush(NULL) isn't working (contrary to ANSI C).
-EOM
- fflushNULL=undef
- ;;
- *) cat >&4 <<EOM
-Cannot figure out whether your fflush(NULL) works or not.
-I'm assuming it doesn't (contrary to ANSI C).
-EOM
- fflushNULL=undef
- ;;
- esac
- $rm -f try.* try
- ;;
-$define|true|[yY]*)
- fflushNULL=define
+fi
+
+if $test X"$sPRId64" = X; then
+ echo "Cannot figure out how to print 64-bit integers." >&4
+fi
+
+$rm -f try try.*
+
+fi
+
+case "$sPRId64" in
+'') d_PRId64="$undef"; d_PRIi64="$undef"; d_PRIu64="$undef";
+ d_PRIo64="$undef"; d_PRIx64="$undef"; d_PRIX64="$undef";
;;
-*)
- fflushNULL=undef
+*) d_PRId64="$define"; d_PRIi64="$define"; d_PRIu64="$define";
+ d_PRIo64="$define"; d_PRIx64="$define"; d_PRIX64="$define";
;;
esac
-: see what type file positions are declared as in the library
-rp="What is the type for file position used by fsetpos()?"
-set fpos_t fpostype long stdio.h sys/types.h
-eval $typedef_ask
-: Store the full pathname to the ar program for use in the C program
-: Respect a hint or command line value for full_ar.
-case "$full_ar" in
-'') full_ar=$ar ;;
+echo " "
+$echo "Checking the format strings to be used for Perl's internal types..." >&4
+
+if $test X"$ivsize" = X8; then
+ ivdformat="$sPRId64"
+ uvuformat="$sPRIu64"
+ uvoformat="$sPRIo64"
+ uvxformat="$sPRIx64"
+else
+ if $test X"$ivsize" = X"$longsize"; then
+ ivdformat='"ld"'
+ uvuformat='"lu"'
+ uvoformat='"lo"'
+ uvxformat='"lx"'
+ else
+ if $test X"$ivsize" = X"$intsize"; then
+ ivdformat='"d"'
+ uvuformat='"u"'
+ uvoformat='"o"'
+ uvxformat='"x"'
+ else
+ : far out
+ if $test X"$ivsize" = X"$shortsize"; then
+ ivdformat='"hd"'
+ uvuformat='"hu"'
+ uvoformat='"ho"'
+ uvxformat='"hx"'
+ fi
+ fi
+ fi
+fi
+
+case "$ivdformat" in
+'') echo "$0: Fatal: failed to find format strings, cannot continue." >& 4
+ exit 1
+ ;;
esac
-: Store the full pathname to the sed program for use in the C program
-full_sed=$sed
-: see what type gids are declared as in the kernel
echo " "
-echo "Looking for the type for group ids returned by getgid()."
-set gid_t gidtype xxx stdio.h sys/types.h
-eval $typedef
-case "$gidtype" in
-xxx)
- xxx=`./findhdr sys/user.h`
- set `grep 'groups\[NGROUPS\];' "$xxx" 2>/dev/null` unsigned short
- case $1 in
- unsigned) dflt="$1 $2" ;;
- *) dflt="$1" ;;
- esac
+$echo "Checking the format string to be used for gids..." >&4
+
+case "$gidsign" in
+-1) if $test X"$gidsize" = X"$ivsize"; then
+ gidformat="$ivdformat"
+ else
+ if $test X"$gidsize" = X"$longsize"; then
+ gidformat='"ld"'
+ else
+ if $test X"$gidsize" = X"$intsize"; then
+ gidformat='"d"'
+ else
+ if $test X"$gidsize" = X"$shortsize"; then
+ gidformat='"hd"'
+ fi
+ fi
+ fi
+ fi
;;
-*) dflt="$gidtype";;
-esac
-case "$gidtype" in
-gid_t) echo "gid_t found." ;;
-*) rp="What is the type for group ids returned by getgid()?"
- . ./myread
- gidtype="$ans"
+*) if $test X"$gidsize" = X"$uvsize"; then
+ gidformat="$uvuformat"
+ else
+ if $test X"$gidsize" = X"$longsize"; then
+ gidformat='"lu"'
+ else
+ if $test X"$gidsize" = X"$intsize"; then
+ gidformat='"u"'
+ else
+ if $test X"$gidsize" = X"$shortsize"; then
+ gidformat='"hu"'
+ fi
+ fi
+ fi
+ fi
;;
esac
*) groupstype="$gidtype";;
esac
-: see what type lseek is declared as in the kernel
-rp="What is the type used for lseek's offset on this system?"
-set off_t lseektype long stdio.h sys/types.h
-eval $typedef_ask
-
-echo " "
-$echo $n "Checking to see how big your file offsets are...$c" >&4
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof($lseektype));
-}
-EOCP
-set try
-if eval $compile_ok; then
- lseeksize=`./try`
- $echo " $lseeksize bytes." >&4
-else
- dflt='4'
- echo " "
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of your file offsets (in bytes)?"
- . ./myread
- lseeksize="$ans"
-fi
-$rm -f try.c try
-
echo " "
echo "Checking if your $make program sets \$(MAKE)..." >&4
case "$make_set_make" in
set pid_t pidtype int stdio.h sys/types.h
eval $typedef_ask
+: Find earliest binary compatible site_perl subdirectory perl can use.
+case "$bincompat5005" in
+"$define") xs_apiversion='5.005' ;;
+*) xs_apiversion=$apiversion ;; # The current site_perl version.
+esac
+: Find earliest pure perl site_perl subdirectory perl can use.
+: The versioned directories started at 5.005.
+pm_apiversion='5.005'
+
: check for length of pointer
echo " "
case "$ptrsize" in
#include <stdio.h>
int main()
{
- printf("%d\n", sizeof(VOID_PTR));
- exit(0);
+ printf("%d\n", (int)sizeof(VOID_PTR));
+ exit(0);
}
EOCP
set try
#ifdef I_SYS_SELECT
#include <sys/select.h>
#endif
+#$d_socket HAS_SOCKET
+#ifdef HAS_SOCKET
+# include <sys/socket.h> /* Might include <sys/bsdtypes.h> */
+#endif
#include <stdio.h>
$selecttype b;
#define S sizeof(*(b))
}
END {
printf "#endif /* JUST_NSIG */\n";
- printf "}\n";
+ printf "exit(0);\n}\n";
}
' >>signal.c
$cat >signal.awk <<'EOP'
;;
esac
+echo " "
+case "$uidtype" in
+*_t) zzz="$uidtype" ;;
+*) zzz="uid" ;;
+esac
+echo "Checking the size of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ printf("%d\n", (int)sizeof($uidtype));
+ exit(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+ yyy=`./try`
+ case "$yyy" in
+ '') uidsize=4
+ echo "(I can't execute the test program--guessing $uidsize.)" >&4
+ ;;
+ *) uidsize=$yyy
+ echo "Your $zzz size is $uidsize bytes."
+ ;;
+ esac
+else
+ uidsize=4
+ echo "(I can't compile the test program--guessing $uidsize.)" >&4
+fi
+
+echo " "
+case "$uidtype" in
+*_t) zzz="$uidtype" ;;
+*) zzz="uid" ;;
+esac
+echo "Checking the sign of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ $uidtype foo = -1;
+ if (foo < 0)
+ printf("-1\n");
+ else
+ printf("1\n");
+}
+EOCP
+set try
+if eval $compile; then
+ yyy=`./try`
+ case "$yyy" in
+ '') uidsign=1
+ echo "(I can't execute the test program--guessing unsigned.)" >&4
+ ;;
+ *) uidsign=$yyy
+ case "$uidsign" in
+ 1) echo "Your $zzz is unsigned." ;;
+ -1) echo "Your $zzz is signed." ;;
+ esac
+ ;;
+ esac
+else
+ uidsign=1
+ echo "(I can't compile the test program--guessing unsigned.)" >&4
+fi
+
+
+
+echo " "
+$echo "Checking the format string to be used for uids..." >&4
+
+case "$uidsign" in
+-1) if $test X"$uidsize" = X"$ivsize"; then
+ uidformat="$ivdformat"
+ else
+ if $test X"$uidsize" = X"$longsize"; then
+ uidformat='"ld"'
+ else
+ if $test X"$uidsize" = X"$intsize"; then
+ uidformat='"d"'
+ else
+ if $test X"$uidsize" = X"$shortsize"; then
+ uidformat='"hd"'
+ fi
+ fi
+ fi
+ fi
+ ;;
+*) if $test X"$uidsize" = X"$uvsize"; then
+ uidformat="$uvuformat"
+ else
+ if $test X"$uidsize" = X"$longsize"; then
+ uidformat='"lu"'
+ else
+ if $test X"$uidsize" = X"$intsize"; then
+ uidformat='"u"'
+ else
+ if $test X"$uidsize" = X"$shortsize"; then
+ uidformat='"hu"'
+ fi
+ fi
+ fi
+ fi
+ ;;
+esac
+
: see if dbm.h is available
: see if dbmclose exists
set dbmclose d_dbmclose
val=$val2; set i_sgtty; eval $setvar
val=$val3; set i_termios; eval $setvar
+: see if this is a shadow.h system
+set shadow.h i_shadow
+eval $inhdr
+
+: see if this is a socks.h system
+set socks.h i_socks
+eval $inhdr
+
: see if stdarg is available
echo " "
if $test `./findhdr stdarg.h`; then
set sys/statvfs.h i_sysstatvfs
eval $inhdr
+: see if this is a sys/uio.h system
+set sys/uio.h i_sysuio
+eval $inhdr
+
: see if this is a sys/un.h system
set sys/un.h i_sysun
eval $inhdr
set sys/wait.h i_syswait
eval $inhdr
+: see if this is a ustat.h system
+set ustat.h i_ustat
+eval $inhdr
+
: see if this is an utime system
set utime.h i_utime
eval $inhdr
echo " "
echo "Looking for extensions..." >&4
-tdir=`pwd`
-cd $rsrc/ext
: If we are using the old config.sh, known_extensions may contain
: old or inaccurate or duplicate values.
known_extensions=''
: We do not just use MANIFEST because the user may have dropped
: some additional extensions into the source tree and expect them
: to be built.
-for xxx in * ; do
- case "$xxx" in
- DynaLoader|dynaload) ;;
- *) if $test -f $xxx/$xxx.xs; then
- known_extensions="$known_extensions $xxx"
- elif $test -f $xxx/Makefile.PL; then
- nonxs_extensions="$nonxs_extensions $xxx"
- else
- if $test -d $xxx; then
- # Look for nested extensions, eg. Devel/Dprof.
- cd $xxx
- for yyy in * ; do
- if $test -f $yyy/$yyy.xs; then
- known_extensions="$known_extensions $xxx/$yyy"
- elif $test -f $yyy/Makefile.PL; then
- nonxs_extensions="$nonxs_extensions $xxx/$yyy"
- fi
- done
- cd ..
- fi
- fi
- ;;
- esac
-done
+
+: Function to recursively find available extensions, ignoring DynaLoader
+: NOTE: recursion limit of 10 to prevent runaway in case of symlink madness
+find_extensions='
+ for xxx in *; do
+ case "$xxx" in
+ DynaLoader|dynaload) ;;
+ *)
+ if $test -f $xxx/$xxx.xs; then
+ known_extensions="$known_extensions $1$xxx";
+ elif $test -f $xxx/Makefile.PL; then
+ nonxs_extensions="$nonxs_extensions $1$xxx";
+ else
+ if $test -d $xxx -a $# -lt 10; then
+ set $1$xxx/ $*;
+ cd $xxx;
+ eval $find_extensions;
+ cd ..;
+ shift;
+ fi;
+ fi
+ ;;
+ esac;
+ done'
+tdir=`pwd`
+cd $rsrc/ext
+set X
+shift
+eval $find_extensions
set X $nonxs_extensions
shift
nonxs_extensions="$*"
echo " "
echo "Stripping down executable paths..." >&4
for file in $loclist $trylist; do
- if test X$file != Xln -a X$file != Xar -o X$osname != Xos2; then
- eval $file="\$file"
- fi
+ eval temp=\$$file
+ eval $file=`basename $temp`
done
;;
esac
baserev='$baserev'
bash='$bash'
bin='$bin'
+bincompat5005='$bincompat5005'
binexp='$binexp'
bison='$bison'
byacc='$byacc'
cf_by='$cf_by'
cf_email='$cf_email'
cf_time='$cf_time'
+charsize='$charsize'
chgrp='$chgrp'
chmod='$chmod'
chown='$chown'
cryptlib='$cryptlib'
csh='$csh'
d_Gconvert='$d_Gconvert'
+d_PRIEldbl='$d_PRIEldbl'
+d_PRIFldbl='$d_PRIFldbl'
+d_PRIGldbl='$d_PRIGldbl'
+d_PRIX64='$d_PRIX64'
+d_PRId64='$d_PRId64'
+d_PRIeldbl='$d_PRIeldbl'
+d_PRIfldbl='$d_PRIfldbl'
+d_PRIgldbl='$d_PRIgldbl'
+d_PRIi64='$d_PRIi64'
+d_PRIo64='$d_PRIo64'
+d_PRIu64='$d_PRIu64'
+d_PRIx64='$d_PRIx64'
d_access='$d_access'
d_accessx='$d_accessx'
d_alarm='$d_alarm'
d_archlib='$d_archlib'
+d_atolf='$d_atolf'
+d_atoll='$d_atoll'
d_attribut='$d_attribut'
d_bcmp='$d_bcmp'
d_bcopy='$d_bcopy'
+d_bincompat5005='$d_bincompat5005'
d_bsd='$d_bsd'
d_bsdgetpgrp='$d_bsdgetpgrp'
d_bsdsetpgrp='$d_bsdsetpgrp'
d_chroot='$d_chroot'
d_chsize='$d_chsize'
d_closedir='$d_closedir'
-d_cmsghdr_s='$d_cmsghdr_s'
d_const='$d_const'
d_crypt='$d_crypt'
d_csh='$d_csh'
d_cuserid='$d_cuserid'
d_dbl_dig='$d_dbl_dig'
-d_dbmclose64='$d_dbmclose64'
-d_dbminit64='$d_dbminit64'
-d_delete64='$d_delete64'
d_difftime='$d_difftime'
-d_dirent64_s='$d_dirent64_s'
d_dirnamlen='$d_dirnamlen'
d_dlerror='$d_dlerror'
d_dlopen='$d_dlopen'
d_endpent='$d_endpent'
d_endpwent='$d_endpwent'
d_endsent='$d_endsent'
+d_endspent='$d_endspent'
d_eofnblk='$d_eofnblk'
d_eunice='$d_eunice'
d_fchmod='$d_fchmod'
d_fd_macros='$d_fd_macros'
d_fd_set='$d_fd_set'
d_fds_bits='$d_fds_bits'
-d_fetch64='$d_fetch64'
-d_fgetpos64='$d_fgetpos64'
d_fgetpos='$d_fgetpos'
-d_firstkey64='$d_firstkey64'
d_flexfnam='$d_flexfnam'
-d_flock64_s='$d_flock64_s'
d_flock='$d_flock'
-d_fopen64='$d_fopen64'
d_fork='$d_fork'
d_fpathconf='$d_fpathconf'
-d_freopen64='$d_freopen64'
-d_fseek64='$d_fseek64'
-d_fseeko64='$d_fseeko64'
+d_fpos64_t='$d_fpos64_t'
+d_fs_data_s='$d_fs_data_s'
d_fseeko='$d_fseeko'
-d_fsetpos64='$d_fsetpos64'
d_fsetpos='$d_fsetpos'
-d_fstat64='$d_fstat64'
d_fstatfs='$d_fstatfs'
d_fstatvfs='$d_fstatvfs'
-d_ftell64='$d_ftell64'
-d_ftello64='$d_ftello64'
d_ftello='$d_ftello'
d_ftime='$d_ftime'
-d_ftruncate64='$d_ftruncate64'
d_getgrent='$d_getgrent'
d_getgrps='$d_getgrps'
d_gethbyaddr='$d_gethbyaddr'
d_gethname='$d_gethname'
d_gethostprotos='$d_gethostprotos'
d_getlogin='$d_getlogin'
+d_getmnt='$d_getmnt'
d_getmntent='$d_getmntent'
d_getnbyaddr='$d_getnbyaddr'
d_getnbyname='$d_getnbyname'
d_getsbyport='$d_getsbyport'
d_getsent='$d_getsent'
d_getservprotos='$d_getservprotos'
+d_getspent='$d_getspent'
+d_getspnam='$d_getspnam'
d_gettimeod='$d_gettimeod'
d_gnulibc='$d_gnulibc'
d_grpasswd='$d_grpasswd'
d_htonl='$d_htonl'
d_index='$d_index'
d_inetaton='$d_inetaton'
-d_ino64_t='$d_ino64_t'
d_int64t='$d_int64t'
-d_iovec_s='$d_iovec_s'
d_isascii='$d_isascii'
d_killpg='$d_killpg'
d_lchown='$d_lchown'
+d_ldbl_dig='$d_ldbl_dig'
d_link='$d_link'
-d_llseek='$d_llseek'
d_locconv='$d_locconv'
-d_lockf64='$d_lockf64'
d_lockf='$d_lockf'
d_longdbl='$d_longdbl'
d_longlong='$d_longlong'
-d_lseek64='$d_lseek64'
-d_lstat64='$d_lstat64'
d_lstat='$d_lstat'
-d_madvise='$d_madvise'
d_mblen='$d_mblen'
d_mbstowcs='$d_mbstowcs'
d_mbtowc='$d_mbtowc'
+d_memchr='$d_memchr'
d_memcmp='$d_memcmp'
d_memcpy='$d_memcpy'
d_memmove='$d_memmove'
d_mkdir='$d_mkdir'
d_mkfifo='$d_mkfifo'
d_mktime='$d_mktime'
-d_mmap='$d_mmap'
-d_mprotect='$d_mprotect'
d_msg='$d_msg'
d_msg_ctrunc='$d_msg_ctrunc'
d_msg_dontroute='$d_msg_dontroute'
d_msg_proxy='$d_msg_proxy'
d_msgctl='$d_msgctl'
d_msgget='$d_msgget'
-d_msghdr_s='$d_msghdr_s'
d_msgrcv='$d_msgrcv'
d_msgsnd='$d_msgsnd'
-d_msync='$d_msync'
-d_munmap='$d_munmap'
d_mymalloc='$d_mymalloc'
-d_nextkey64='$d_nextkey64'
d_nice='$d_nice'
d_off64_t='$d_off64_t'
-d_offset_t='$d_offset_t'
d_old_pthread_create_joinable='$d_old_pthread_create_joinable'
d_oldpthreads='$d_oldpthreads'
d_oldsock='$d_oldsock'
d_open3='$d_open3'
-d_open64='$d_open64'
-d_opendir64='$d_opendir64'
d_pathconf='$d_pathconf'
d_pause='$d_pause'
d_phostname='$d_phostname'
d_pwgecos='$d_pwgecos'
d_pwpasswd='$d_pwpasswd'
d_pwquota='$d_pwquota'
-d_readdir64='$d_readdir64'
+d_quad='$d_quad'
d_readdir='$d_readdir'
d_readlink='$d_readlink'
-d_readv='$d_readv'
-d_recvmsg='$d_recvmsg'
d_rename='$d_rename'
d_rewinddir='$d_rewinddir'
d_rmdir='$d_rmdir'
d_sanemcmp='$d_sanemcmp'
d_sched_yield='$d_sched_yield'
d_scm_rights='$d_scm_rights'
-d_seekdir64='$d_seekdir64'
d_seekdir='$d_seekdir'
d_select='$d_select'
d_sem='$d_sem'
d_semctl_semun='$d_semctl_semun'
d_semget='$d_semget'
d_semop='$d_semop'
-d_sendmsg='$d_sendmsg'
d_setegid='$d_setegid'
d_seteuid='$d_seteuid'
d_setgrent='$d_setgrent'
d_setruid='$d_setruid'
d_setsent='$d_setsent'
d_setsid='$d_setsid'
+d_setspent='$d_setspent'
d_setvbuf='$d_setvbuf'
d_sfio='$d_sfio'
d_shm='$d_shm'
d_sigsetjmp='$d_sigsetjmp'
d_socket='$d_socket'
d_sockpair='$d_sockpair'
-d_stat64='$d_stat64'
+d_sqrtl='$d_sqrtl'
d_statblks='$d_statblks'
-d_statfs='$d_statfs'
-d_statfsflags='$d_statfsflags'
+d_statfs_f_flags='$d_statfs_f_flags'
+d_statfs_s='$d_statfs_s'
d_statvfs='$d_statvfs'
d_stdio_cnt_lval='$d_stdio_cnt_lval'
d_stdio_ptr_lval='$d_stdio_ptr_lval'
+d_stdio_stream_array='$d_stdio_stream_array'
d_stdiobase='$d_stdiobase'
d_stdstdio='$d_stdstdio'
-d_store64='$d_store64'
d_strchr='$d_strchr'
d_strcoll='$d_strcoll'
d_strctcpy='$d_strctcpy'
d_strtod='$d_strtod'
d_strtol='$d_strtol'
d_strtoul='$d_strtoul'
+d_strtoull='$d_strtoull'
d_strxfrm='$d_strxfrm'
d_suidsafe='$d_suidsafe'
d_symlink='$d_symlink'
d_system='$d_system'
d_tcgetpgrp='$d_tcgetpgrp'
d_tcsetpgrp='$d_tcsetpgrp'
-d_telldir64='$d_telldir64'
d_telldir='$d_telldir'
d_telldirproto='$d_telldirproto'
d_time='$d_time'
d_times='$d_times'
-d_tmpfile64='$d_tmpfile64'
-d_truncate64='$d_truncate64'
d_truncate='$d_truncate'
d_tzname='$d_tzname'
d_umask='$d_umask'
d_uname='$d_uname'
d_union_semun='$d_union_semun'
+d_ustat='$d_ustat'
+d_vendorbin='$d_vendorbin'
+d_vendorlib='$d_vendorlib'
d_vfork='$d_vfork'
d_void_closedir='$d_void_closedir'
d_voidsig='$d_voidsig'
d_waitpid='$d_waitpid'
d_wcstombs='$d_wcstombs'
d_wctomb='$d_wctomb'
-d_writev='$d_writev'
d_xenix='$d_xenix'
date='$date'
db_hashtype='$db_hashtype'
expr='$expr'
extensions='$extensions'
fflushNULL='$fflushNULL'
+fflushall='$fflushall'
find='$find'
firstmakefile='$firstmakefile'
flex='$flex'
+fpossize='$fpossize'
fpostype='$fpostype'
freetype='$freetype'
full_ar='$full_ar'
full_csh='$full_csh'
full_sed='$full_sed'
gccversion='$gccversion'
+gidformat='$gidformat'
+gidsign='$gidsign'
+gidsize='$gidsize'
gidtype='$gidtype'
glibpth='$glibpth'
grep='$grep'
hint='$hint'
hostcat='$hostcat'
huge='$huge'
+i16size='$i16size'
+i16type='$i16type'
+i32size='$i32size'
+i32type='$i32type'
+i64size='$i64size'
+i64type='$i64type'
+i8size='$i8size'
+i8type='$i8type'
i_arpainet='$i_arpainet'
i_bsdioctl='$i_bsdioctl'
i_db='$i_db'
i_rpcsvcdbm='$i_rpcsvcdbm'
i_sfio='$i_sfio'
i_sgtty='$i_sgtty'
+i_shadow='$i_shadow'
+i_socks='$i_socks'
i_stdarg='$i_stdarg'
i_stddef='$i_stddef'
i_stdlib='$i_stdlib'
i_sysfilio='$i_sysfilio'
i_sysin='$i_sysin'
i_sysioctl='$i_sysioctl'
-i_sysmman='$i_sysmman'
i_sysmount='$i_sysmount'
i_sysndir='$i_sysndir'
i_sysparam='$i_sysparam'
i_sysselct='$i_sysselct'
i_syssockio='$i_syssockio'
i_sysstat='$i_sysstat'
+i_sysstatfs='$i_sysstatfs'
i_sysstatvfs='$i_sysstatvfs'
i_systime='$i_systime'
i_systimek='$i_systimek'
i_systypes='$i_systypes'
i_sysuio='$i_sysuio'
i_sysun='$i_sysun'
+i_sysvfs='$i_sysvfs'
i_syswait='$i_syswait'
i_termio='$i_termio'
i_termios='$i_termios'
i_time='$i_time'
i_unistd='$i_unistd'
+i_ustat='$i_ustat'
i_utime='$i_utime'
i_values='$i_values'
i_varargs='$i_varargs'
installbin='$installbin'
installman1dir='$installman1dir'
installman3dir='$installman3dir'
+installprefix='$installprefix'
+installprefixexp='$installprefixexp'
installprivlib='$installprivlib'
installscript='$installscript'
installsitearch='$installsitearch'
+installsitebin='$installsitebin'
installsitelib='$installsitelib'
+installstyle='$installstyle'
installusrbinperl='$installusrbinperl'
+installvendorbin='$installvendorbin'
+installvendorlib='$installvendorlib'
intsize='$intsize'
+ivdformat='$ivdformat'
+ivsize='$ivsize'
+ivtype='$ivtype'
known_extensions='$known_extensions'
ksh='$ksh'
large='$large'
ld='$ld'
lddlflags='$lddlflags'
ldflags='$ldflags'
+ldlibpthname='$ldlibpthname'
less='$less'
lib_ext='$lib_ext'
libc='$libc'
man3direxp='$man3direxp'
man3ext='$man3ext'
medium='$medium'
-mips='$mips'
mips_type='$mips_type'
mkdir='$mkdir'
-mmaptype='$mmaptype'
models='$models'
modetype='$modetype'
more='$more'
nm_so_opt='$nm_so_opt'
nonxs_ext='$nonxs_ext'
nroff='$nroff'
+nvsize='$nvsize'
+nvtype='$nvtype'
o_nonblock='$o_nonblock'
obj_ext='$obj_ext'
old_pthread_create_joinable='$old_pthread_create_joinable'
phostname='$phostname'
pidtype='$pidtype'
plibpth='$plibpth'
+pm_apiversion='$pm_apiversion'
pmake='$pmake'
pr='$pr'
prefix='$prefix'
privlibexp='$privlibexp'
prototype='$prototype'
ptrsize='$ptrsize'
+quadkind='$quadkind'
+quadtype='$quadtype'
randbits='$randbits'
randfunc='$randfunc'
randseedtype='$randseedtype'
rm='$rm'
rmail='$rmail'
runnm='$runnm'
+sPRIEldbl='$sPRIEldbl'
+sPRIFldbl='$sPRIFldbl'
+sPRIGldbl='$sPRIGldbl'
+sPRIX64='$sPRIX64'
+sPRId64='$sPRId64'
+sPRIeldbl='$sPRIeldbl'
+sPRIfldbl='$sPRIfldbl'
+sPRIgldbl='$sPRIgldbl'
+sPRIi64='$sPRIi64'
+sPRIo64='$sPRIo64'
+sPRIu64='$sPRIu64'
+sPRIx64='$sPRIx64'
sched_yield='$sched_yield'
scriptdir='$scriptdir'
scriptdirexp='$scriptdirexp'
signal_t='$signal_t'
sitearch='$sitearch'
sitearchexp='$sitearchexp'
+sitebin='$sitebin'
+sitebinexp='$sitebinexp'
sitelib='$sitelib'
sitelibexp='$sitelibexp'
+siteprefix='$siteprefix'
+siteprefixexp='$siteprefixexp'
sizetype='$sizetype'
sleep='$sleep'
smail='$smail'
stdio_cnt='$stdio_cnt'
stdio_filbuf='$stdio_filbuf'
stdio_ptr='$stdio_ptr'
+stdio_stream_array='$stdio_stream_array'
strings='$strings'
submit='$submit'
subversion='$subversion'
tr='$tr'
trnl='$trnl'
troff='$troff'
+u16size='$u16size'
+u16type='$u16type'
+u32size='$u32size'
+u32type='$u32type'
+u64size='$u64size'
+u64type='$u64type'
+u8size='$u8size'
+u8type='$u8type'
+uidformat='$uidformat'
+uidsign='$uidsign'
+uidsize='$uidsize'
uidtype='$uidtype'
uname='$uname'
uniq='$uniq'
+uquadtype='$uquadtype'
use64bits='$use64bits'
usedl='$usedl'
+uselargefiles='$uselargefiles'
+uselongdouble='$uselongdouble'
+uselonglong='$uselonglong'
+usemorebits='$usemorebits'
usemultiplicity='$usemultiplicity'
usemymalloc='$usemymalloc'
usenm='$usenm'
useposix='$useposix'
usesfio='$usesfio'
useshrplib='$useshrplib'
+usesocks='$usesocks'
usethreads='$usethreads'
+usevendorprefix='$usevendorprefix'
usevfork='$usevfork'
usrinc='$usrinc'
uuname='$uuname'
+uvoformat='$uvoformat'
+uvsize='$uvsize'
+uvtype='$uvtype'
+uvuformat='$uvuformat'
+uvxformat='$uvxformat'
+vendorbin='$vendorbin'
+vendorbinexp='$vendorbinexp'
+vendorlib='$vendorlib'
+vendorlibexp='$vendorlibexp'
+vendorprefix='$vendorprefix'
+vendorprefixexp='$vendorprefixexp'
version='$version'
vi='$vi'
voidflags='$voidflags'
xlibpth='$xlibpth'
+xs_apiversion='$xs_apiversion'
zcat='$zcat'
zip='$zip'
EOT