# $Id: Head.U,v 3.0.1.8 1995/07/25 13:40:02 ram Exp $
#
-# Generated on Fri Dec 8 11:19:33 EST 1995 [metaconfig 3.0 PL58]
+# Generated on Thu Oct 10 15:08:34 EDT 1996 [metaconfig 3.0 PL60]
cat >/tmp/c1$$ <<EOF
ARGGGHHHH!!!!!
: Proper PATH separator
p_=:
: On OS/2 this directory should exist if this is not floppy only system :-]
-if test -d c:/.; then
+if test -d c:/. -a -n "$OS2_SHELL"; then
p_=\;
PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'`
(PATH=.; alias -x) >/dev/null 2>&1 && \
cat <<EOM
(I see you are using the Korn shell. Some ksh's blow up on $me,
-especially on exotic machines. If yours does, try the Bourne shell instead.)
+especially on older exotic systems. If yours does, try the Bourne
+shell instead.)
EOM
fi
extensions=''
known_extensions=''
static_ext=''
+useopcode=''
useposix=''
d_bsd=''
d_eunice=''
flex=''
gcc=''
grep=''
+gzip=''
inews=''
ksh=''
less=''
ls=''
mail=''
mailx=''
-make=''
mkdir=''
more=''
mv=''
rmail=''
sed=''
sendmail=''
-sh=''
shar=''
sleep=''
smail=''
uuname=''
vi=''
zcat=''
+zip=''
full_sed=''
libswanted=''
hint=''
d_phostname=''
d_uname=''
d_getlogin=''
+d_getpgid=''
d_getpgrp2=''
+d_bsdgetpgrp=''
d_getpgrp=''
d_getppid=''
d_getprior=''
+d_gnulibc=''
d_htonl=''
d_isascii=''
d_killpg=''
d_setpgid=''
d_setpgrp2=''
d_bsdpgrp=''
+d_bsdsetpgrp=''
d_setpgrp=''
d_setprior=''
d_setregid=''
d_setrgid=''
d_setruid=''
d_setsid=''
+d_sfio=''
+usesfio=''
d_shm=''
d_shmat=''
d_shmatprototype=''
d_shmctl=''
d_shmdt=''
d_shmget=''
+d_sigaction=''
+d_sigsetjmp=''
d_oldsock=''
d_socket=''
d_sockpair=''
stdio_base=''
stdio_bufsiz=''
stdio_cnt=''
+stdio_filbuf=''
stdio_ptr=''
d_index=''
d_strchr=''
dlext=''
cccdlflags=''
ccdlflags=''
-d_shrplib=''
dlsrc=''
ld=''
lddlflags=''
-shrpdir=''
usedl=''
fpostype=''
gidtype=''
d_pwexpire=''
d_pwquota=''
i_pwd=''
+i_sfio=''
i_stddef=''
i_stdlib=''
i_string=''
i_syssockio=''
i_sysndir=''
i_sysparam=''
+i_sysresrc=''
i_sysselct=''
i_sysstat=''
i_systimes=''
i_systypes=''
i_sysun=''
+i_syswait=''
i_sgtty=''
i_termio=''
i_termios=''
timeincl=''
i_unistd=''
i_utime=''
+i_values=''
i_stdarg=''
i_varargs=''
i_varhdr=''
i_vfork=''
intsize=''
libc=''
+libperl=''
+shrpenv=''
+useshrplib=''
glibpth=''
libpth=''
loclibpth=''
libs=''
lns=''
lseektype=''
+make=''
+make_set_make=''
d_mymalloc=''
freetype=''
mallocobj=''
ranlib=''
package=''
spackage=''
+pager=''
patchlevel=''
+subversion=''
perladmin=''
perlpath=''
prefix=''
scriptdir=''
scriptdirexp=''
selecttype=''
+sh=''
sig_name=''
sig_num=''
installsitearch=''
sysman=''
uidtype=''
nm_opt=''
+nm_so_opt=''
runnm=''
usenm=''
+useperlio=''
incpath=''
mips=''
mips_type=''
libswanted=''
: set useposix=false in your hint file to disable the POSIX extension.
useposix=true
-: Define several unixisms. These can be overridden in hint files.
+: set useopcode=false in your hint file to disable the Opcode extension.
+useopcode=true
+: Define several unixisms. These can be used in hint files.
exe_ext=''
: Extra object files, if any, needed on this platform.
archobjs=''
loclibpth="$loclibpth /opt/gnu/lib /usr/GNU/lib /opt/GNU/lib"
: general looking path for locating libraries
-glibpth="/lib/pa1.1 /usr/shlib /usr/lib/large /lib /usr/lib"
-glibpth="$glibpth $xlibpth /lib/large /usr/lib/small /lib/small"
-glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/shlib"
+glibpth="/shlib /usr/shlib /lib/pa1.1 /usr/lib/large"
+glibpth="$glibpth /lib /usr/lib $xlibpth"
+glibpth="$glibpth /lib/large /usr/lib/small /lib/small"
+glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib"
: Private path used by Configure to find libraries. Its value
: is prepended to libpth. This variable takes care of special
defvoidused=15
: List of libraries we want.
-libswanted='net socket inet nsl nm ndbm gdbm dbm db malloc dl'
+libswanted='sfio net socket inet nsl nm ndbm gdbm dbm db malloc dl'
libswanted="$libswanted dld ld sun m c cposix posix ndir dir crypt"
libswanted="$libswanted ucb bsd BSD PW x"
: We probably want to search /usr/shlib before most other libraries.
: Do not use vfork unless overridden by a hint file.
usevfork=false
+: Find the basic shell for Bourne shell scripts
+case "$sh" in
+'')
+ : SYSTYPE is for some older MIPS systems.
+ : I do not know if it is still needed.
+ case "$SYSTYPE" in
+ *bsd*|sys5*) xxx="/$SYSTYPE/bin/sh";;
+ *) xxx='/bin/sh';;
+ esac
+ if test -f "$xxx"; then
+ sh="$xxx"
+ else
+ : Build up a list and do a single loop so we can 'break' out.
+ pth=`echo $PATH | sed -e "s/$p_/ /g"`
+ for xxx in sh bash ksh pdksh ash; do
+ for p in $pth; do
+ try="$try ${p}/${xxx}"
+ done
+ done
+ for xxx in $try; do
+ if test -f "$xxx"; then
+ sh="$xxx";
+ echo "Your Bourne shell appears to be in $sh."
+ break
+ elif test -f "$xxx.exe"; then
+ sh="$xxx";
+ echo "Hmm. Your Bourne shell appears to be in $sh."
+ break
+ fi
+ done
+ fi
+ ;;
+esac
+
+case "$sh" in
+'') cat <<EOM >&2
+$me: Fatal Error: I can't find a Bourne Shell anywhere.
+Usually it's in /bin/sh. How did you even get this far?
+Please contact me (Andy Dougherty) at doughera@lafcol.lafayette.edu and
+we'll try to straigten this all out.
+EOM
+ exit 1
+ ;;
+esac
+
+: see if sh knows # comments
+if `$sh -c '#' >/dev/null 2>&1`; then
+ shsharp=true
+ spitshell=cat
+ echo " "
+ xcat=/bin/cat
+ test -f $xcat || xcat=/usr/bin/cat
+ echo "#!$xcat" >try
+ $eunicefix try
+ chmod +x try
+ ./try > today
+ if test -s today; then
+ sharpbang='#!'
+ else
+ echo "#! $xcat" > try
+ $eunicefix try
+ chmod +x try
+ ./try > today
+ if test -s today; then
+ sharpbang='#! '
+ else
+ echo "Okay, let's see if #! works on this system..."
+ echo "It's just a comment."
+ sharpbang=': use '
+ fi
+ fi
+else
+ echo "Your $sh doesn't grok # comments--I will strip them later on."
+ shsharp=false
+ cd ..
+ echo "exec grep -v '^[ ]*#'" >spitshell
+ chmod +x spitshell
+ $eunicefix spitshell
+ spitshell=`pwd`/spitshell
+ cd UU
+ echo "I presume that if # doesn't work, #! won't work either!"
+ sharpbang=': use '
+fi
+rm -f try today
+
+: figure out how to guarantee sh startup
+case "$startsh" in
+'') startsh=${sharpbang}${sh} ;;
+*)
+esac
+cat >try <<EOSS
+$startsh
+set abc
+test "$?abc" != 1
+EOSS
+
+chmod +x try
+$eunicefix try
+if ./try; then
+ : echo "Yup, it does."
+else
+ echo "Hmm. '$startsh' didn't work."
+ echo "You may have to fix up the shell scripts to make sure sh runs them."
+fi
+rm -f try
+
: script used to extract .SH files with variable substitutions
-cat >extract <<'EOS'
+cat >extract <<EOS
+$startsh
+EOS
+cat >>extract <<'EOS'
CONFIG=true
echo "Doing variable substitutions on .SH files..."
if test -f MANIFEST; then
esac
shift
;;
- -V) echo "$me generated by metaconfig 3.0 PL58." >&2
+ -V) echo "$me generated by metaconfig 3.0 PL60." >&2
exit 0;;
--) break;;
-*) echo "$me: unknown option $1" >&2; shift; error=true;;
case "$error" in
true)
cat >&2 <<EOM
-Usage: $me [-dehrEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
+Usage: $me [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
[-U symbol] [-U symbol=]
-d : use defaults for all answers.
-e : go on without questioning past the production of config.sh.
You have the option of continuing the configuration process, despite the
distinct possibility that your kit is damaged, by typing 'y'es. If you
do, don't blame me if something goes wrong. I advise you to type 'n'o
-and contact the author (lwall@netlabs.com).
+and contact the author (doughera@lafcol.lafayette.edu).
EOM
echo $n "Continue? [n] $c" >&4
case "\$1" in
-d)
fastread=yes
- echo "(OK, I'll run with -d after this question.)"
+ echo "(OK, I'll run with -d after this question.)" >&4
;;
-*)
- echo "*** Sorry, \$1 not supported yet."
+ echo "*** Sorry, \$1 not supported yet." >&4
;;
esac
$myecho
: general instructions
needman=true
firsttime=true
-user=`( (logname) 2>/dev/null || whoami) 2>&1`
+user=`(logname) 2>/dev/null`
+case "$user" in "")
+ user=`whoami 2>&1` ;;
+esac
if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then
firsttime=false
echo " "
Unix system. If despite that it blows up on yours, your best bet is to edit
Configure and run it again. If you can't run Configure for some reason,
you'll have to generate a config.sh file by hand. Whatever problems you
-have, let me (lwall@netlabs.com) know how I blew it.
+have, let me (doughera@lafcol.lafayette.edu) know how I blew it.
This installation script affects things in two ways:
esac
fi
-: see if sh knows # comments
-echo " "
-echo "Checking your sh to see if it knows about # comments..." >&4
-if `sh -c '#' >/dev/null 2>&1`; then
- echo "Your sh handles # comments correctly."
- shsharp=true
- spitshell=cat
- echo " "
- echo "Okay, let's see if #! works on this system..."
- xcat=/bin/cat
- test -f $xcat || xcat=/usr/bin/cat
- echo "#!$xcat" >try
- $eunicefix try
- chmod +x try
- ./try > today
- if test -s today; then
- echo "It does."
- sharpbang='#!'
- else
- echo "#! $xcat" > try
- $eunicefix try
- chmod +x try
- ./try > today
- if test -s today; then
- echo "It does."
- sharpbang='#! '
- else
- echo "It's just a comment."
- sharpbang=': use '
- fi
- fi
-else
- echo "Your sh doesn't grok # comments--I will strip them later on."
- shsharp=false
- cd ..
- echo "exec grep -v '^[ ]*#'" >spitshell
- chmod +x spitshell
- $eunicefix spitshell
- spitshell=`pwd`/spitshell
- cd UU
- echo "I presume that if # doesn't work, #! won't work either!"
- sharpbang=': use '
-fi
-rm -f try today
-
-: figure out how to guarantee sh startup
-echo " "
-echo "Checking out how to guarantee sh startup..." >&4
-case "$SYSTYPE" in
-*bsd*|sys5*) startsh=$sharpbang"/$SYSTYPE/bin/sh";;
-*) startsh=$sharpbang'/bin/sh';;
-esac
-echo "Let's see if '$startsh' works..."
-cat >try <<EOSS
-$startsh
-set abc
-test "$?abc" != 1
-EOSS
-
-chmod +x try
-$eunicefix try
-if ./try; then
- echo "Yup, it does."
-else
-echo "Nope. You may have to fix up the shell scripts to make sure sh runs them."
-fi
-rm -f try
-
: find out where common programs are
echo " "
echo "Locating common programs..." >&4
expr
find
grep
-ln
ls
mkdir
rm
csh
date
egrep
+gzip
+less
line
+ln
+more
nroff
perl
+pg
+sendmail
test
uname
+zip
"
pth=`echo $PATH | sed -e "s/$p_/ /g"`
pth="$pth /lib /usr/lib"
egrep=$grep
;;
esac
+case "$ln" in
+ln)
+ echo "Substituting cp for ln."
+ ln=$cp
+ ;;
+esac
case "$test" in
test)
echo "Hopefully test is built into your sh."
*) echo "Fetching default answers from your old config.sh file..." >&4
tmp_n="$n"
tmp_c="$c"
+ tmp_sh="$sh"
. ./config.sh
cp config.sh UU
n="$tmp_n"
c="$tmp_c"
+ : Older versions did not always set $sh. Catch re-use of such
+ : an old config.sh.
+ case "$sh" in
+ '') sh="$tmp_sh" ;;
+ esac
hint=previous
;;
esac
cd hints; ls -C *.sh | $sed 's/\.sh/ /g' >&4
dflt=''
: Half the following guesses are probably wrong... If you have better
- : tests or hints, please send them to lwall@netlabs.com
+ : tests or hints, please send them to doughera@lafcol.lafayette.edu
: The metaconfig authors would also appreciate a copy...
$test -f /irix && osname=irix
$test -f /xenix && osname=sco_xenix
dgux) osname=dgux
osvers="$3"
;;
+ dynixptx*) osname=dynixptx
+ osvers="$3"
+ ;;
freebsd) osname=freebsd
osvers="$3" ;;
genix) osname=genix ;;
*) osvers="$3" ;;
esac
;;
- irix) osname=irix
+ irix*) osname=irix
case "$3" in
4*) osvers=4 ;;
5*) osvers=5 ;;
tmp_c="$c"
cd ..
cp $config_sh config.sh 2>/dev/null
+ chmod +w config.sh
. ./config.sh
cd UU
cp ../config.sh .
none) osname='' ;;
*) osname=`echo "$ans" | $sed -e 's/[ ][ ]*/_/g' | ./tr '[A-Z]' '[a-z]'`;;
esac
+echo " "
+case "$osvers" in
+ ''|' ')
+ case "$hintfile" in
+ ''|' '|none) dflt=none ;;
+ *) dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/^[^_]*//'`
+ dflt=`echo $dflt | $sed -e 's/^_//' -e 's/_/./g'`
+ case "$dflt" in
+ ''|' ') dflt=none ;;
+ esac
+ ;;
+ esac
+ ;;
+ *) dflt="$osvers" ;;
+esac
+rp="Operating system version?"
+. ./myread
+case "$ans" in
+none) osvers='' ;;
+*) osvers="$ans" ;;
+esac
+
+
+
: who configured the system
cf_time=`$date 2>&1`
-(logname > .temp) >/dev/null 2>&1
-$test -s .temp || (whoami > .temp) >/dev/null 2>&1
-$test -s .temp || echo unknown > .temp
-cf_by=`$cat .temp`
-$rm -f .temp
+cf_by=`(logname) 2>/dev/null`
+case "$cf_by" in "")
+ cf_by=`(whoami) 2>/dev/null`
+ case "$cf_by" in "")
+ cf_by=unknown ;;
+ esac ;;
+esac
: determine the architecture name
echo " "
: is AFS running?
echo " "
-if test -d /afs; then
+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
- afs=true
else
echo "AFS does not seem to be running..." >&4
- afs=false
fi
: decide how portable to be. Allow command line overrides.
echo " "
echo "Getting the current patchlevel..." >&4
if $test -r ../patchlevel.h;then
- patchlevel=`awk '/PATCHLEVEL/ {print $3}' < ../patchlevel.h`
+ patchlevel=`awk '/PATCHLEVEL/ {print $3}' ../patchlevel.h`
+ subversion=`awk '/SUBVERSION/ {print $3}' ../patchlevel.h`
else
patchlevel=0
+ subversion=0
fi
-echo "(You have $package $baserev PL$patchlevel.)"
+echo "(You have $package $baserev patchlevel $patchlevel subversion $subversion.)"
: set the prefixup variable, to restore leading tilda escape
prefixup='case "$prefixexp" in
case "$archlib" in
'')
case "$privlib" in
- '')
- dflt=`./loc . "." $prefixexp/lib /usr/local/lib /usr/lib /lib`
+ '') dflt=`./loc . "." $prefixexp/lib /usr/local/lib /usr/lib /lib`
set dflt
eval $prefixup
;;
- *) version=`echo $baserev $patchlevel | $awk '{print $1 + $2/1000.0}'`
+ *) version=`LC_ALL=C;export LC_ALL;\
+ echo $baserev $patchlevel $subversion | \
+ $awk '{print $1 + $2/1000.0 + $3/100000.0}'`
dflt="$privlib/$archname/$version"
;;
esac
d_archlib="$define"
fi
-: determine where site specific libraries go.
-set sitelib sitelib
-eval $prefixit
-case "$sitelib" in
-'') dflt="$privlib/site_perl" ;;
-*) dflt="$sitelib" ;;
-esac
-$cat <<EOM
-
-The installation process will also create a directory for
-site-specific extensions and modules. Some users find it convenient
-to place all local files in this directory rather than in the main
-distribution directory.
-
-EOM
-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
-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 "$installsitelib" in
- '') dflt=`echo $sitelibexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installsitelib";;
- esac
- fn=de~
- rp='Where will private files be installed?'
- . ./getfile
- installsitelib="$ans"
-else
- installsitelib="$sitelibexp"
-fi
-
-: determine where site specific architecture-dependent libraries go.
-xxx=`echo $sitelib/$archname | sed 's!^$prefix!!'`
-: xxx is usuually lib/site_perl/archname.
-set sitearch sitearch none
-eval $prefixit
-case "$sitearch" in
-'') dflt="$sitelib/$archname" ;;
-*) dflt="$sitearch" ;;
-esac
-$cat <<EOM
-
-The installation process will also create a directory for
-architecture-dependent site-specific extensions and modules.
-
-EOM
-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
-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 "$installsitearch" in
- '') dflt=`echo $sitearchexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installsitearch";;
- esac
- fn=de~
- rp='Where will private files be installed?'
- . ./getfile
- installsitearch="$ans"
-else
- installsitearch="$sitearchexp"
-fi
-
: set up the script used to warn in case of inconsistency
cat <<'EOSC' >whoa
dflt=y
*) eval "$var=$val";;
esac'
-: determine where old public architecture dependent libraries might be
-case "$oldarchlib" in
-'') case "$privlib" in
- '') ;;
- *) dflt="$privlib/$archname"
- ;;
- esac
- ;;
-*) dflt="$oldarchlib"
+: 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
+else
+ echo "Looks kind of like a Version 7 system, but we'll see..."
+ echo exit 0 >v7
+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"
;;
esac
-if $test ! -d "$dflt/auto"; then
- dflt=none
+: 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
-cat <<EOM
+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
-In 5.001, Perl stored architecutre-dependent library files in a library
-with a name such as $privlib/$archname,
-and this directory contained files from the standard extensions and
-files from any additional extensions you might have added. Starting
-with version 5.002, all the architecture-dependent standard extensions
-will go into $archlib,
-while locally-added extensions will go into
-$sitearch.
+: see if setuid scripts can be secure
+$cat <<EOM
-If you wish Perl to continue to search the old architecture-dependent
-library for your local extensions, give the path to that directory.
-If you do not wish to use your old architecture-dependent library
-files, answer 'none'.
+Some kernels have a bug that prevents setuid #! scripts from being
+secure. Some sites have disabled setuid #! scripts because of this.
+
+First let's decide if your kernel supports secure setuid #! scripts.
+(If setuid #! scripts would be secure but have been disabled anyway,
+don't say that they are secure if asked.)
EOM
-fn=dn~
-rp='Directory for your old 5.001 architecture-dependent libraries?'
-. ./getfile
-oldarchlib="$ans"
-oldarchlibexp="$ansexp"
-case "$oldarchlib" in
-''|' ') val="$undef" ;;
-*) val="$define" ;;
-esac
-set d_oldarchlib
+
+val="$undef"
+if $test -d /dev/fd; then
+ echo "#!$ls" >reflect
+ chmod +x,u+s reflect
+ ./reflect >flect 2>&1
+ if $contains "/dev/fd" flect >/dev/null; then
+ echo "Congratulations, your kernel has secure setuid scripts!" >&4
+ val="$define"
+ else
+ $cat <<EOM
+If you are not sure if they are secure, I can check but I'll need a
+username and password different from the one you are using right now.
+If you don't have such a username or don't want me to test, simply
+enter 'none'.
+
+EOM
+ rp='Other username to test security of setuid scripts with?'
+ dflt='none'
+ . ./myread
+ case "$ans" in
+ n|none)
+ case "$d_suidsafe" in
+ '') echo "I'll assume setuid scripts are *not* secure." >&4
+ dflt=n;;
+ "$undef")
+ echo "Well, the $hint value is *not* secure." >&4
+ dflt=n;;
+ *) echo "Well, the $hint value *is* secure." >&4
+ dflt=y;;
+ esac
+ ;;
+ *)
+ $rm -f reflect flect
+ echo "#!$ls" >reflect
+ chmod +x,u+s reflect
+ echo >flect
+ chmod a+w flect
+ echo '"su" will (probably) prompt you for '"$ans's password."
+ su $ans -c './reflect >flect'
+ if $contains "/dev/fd" flect >/dev/null; then
+ echo "Okay, it looks like setuid scripts are secure." >&4
+ dflt=y
+ else
+ echo "I don't think setuid scripts are secure." >&4
+ dflt=n
+ fi
+ ;;
+ esac
+ rp='Does your kernel have *secure* setuid scripts?'
+ . ./myread
+ case "$ans" in
+ [yY]*) val="$define";;
+ *) val="$undef";;
+ esac
+ fi
+else
+ echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
+ echo "(That's for file descriptors, not floppy disks.)"
+ val="$undef"
+fi
+set d_suidsafe
eval $setvar
-: determine where public executables go
+$rm -f reflect flect
+
+: now see if they want to do setuid emulation
echo " "
-set dflt bin bin
+val="$undef"
+case "$d_suidsafe" in
+"$define")
+ val="$undef"
+ echo "No need to emulate SUID scripts since they are secure here." >& 4
+ ;;
+*)
+ $cat <<EOM
+Some systems have disabled setuid scripts, especially systems where
+setuid scripts cannot be secure. On systems where setuid scripts have
+been disabled, the setuid/setgid bits on scripts are currently
+useless. It is possible for $package to detect those bits and emulate
+setuid/setgid in a secure fashion. This emulation will only work if
+setuid scripts have been disabled in your kernel.
+
+EOM
+ case "$d_dosuid" in
+ "$define") dflt=y ;;
+ *) dflt=n ;;
+ esac
+ rp="Do you want to do setuid/setgid emulation?"
+ . ./myread
+ case "$ans" in
+ [yY]*) val="$define";;
+ *) val="$undef";;
+ esac
+ ;;
+esac
+set d_dosuid
+eval $setvar
+
+: determine where site specific libraries go.
+set sitelib sitelib
eval $prefixit
-fn=d~
-rp='Pathname where the public executables will reside?'
+case "$sitelib" in
+'') dflt="$privlib/site_perl" ;;
+*) dflt="$sitelib" ;;
+esac
+$cat <<EOM
+
+The installation process will also create a directory for
+site-specific extensions and modules. Some users find it convenient
+to place all local files in this directory rather than in the main
+distribution directory.
+
+EOM
+fn=d~+
+rp='Pathname for the site-specific library files?'
. ./getfile
-if $test "X$ansexp" != "X$binexp"; then
- installbin=''
+if $test "X$sitelibexp" != "X$ansexp"; then
+ installsitelib=''
fi
-bin="$ans"
-binexp="$ansexp"
+sitelib="$ans"
+sitelibexp="$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
+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 "$installbin" in
- '') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installbin";;
+ case "$installsitelib" in
+ '') dflt=`echo $sitelibexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installsitelib";;
esac
fn=de~
- rp='Where will public executables be installed?'
+ rp='Where will private files be installed?'
. ./getfile
- installbin="$ans"
+ installsitelib="$ans"
else
- installbin="$binexp"
+ installsitelib="$sitelibexp"
fi
-: determine where manual pages go
-set man1dir man1dir none
+: determine where site specific architecture-dependent libraries go.
+xxx=`echo $sitelib/$archname | sed 's!^$prefix!!'`
+: xxx is usuually lib/site_perl/archname.
+set sitearch sitearch none
eval $prefixit
-$cat <<EOM
-
-$spackage has manual pages available in source form.
-EOM
-case "$nroff" in
-nroff)
- echo "However, you don't have nroff, so they're probably useless to you."
- case "$man1dir" in
- '') man1dir="none";;
- esac;;
-esac
-echo "If you don't want the manual sources installed, answer 'none'."
-case "$man1dir" in
-'')
- lookpath="$prefixexp/man/man1 $prefixexp/man/l_man/man1"
- lookpath="$lookpath $prefixexp/man/p_man/man1"
- lookpath="$lookpath $prefixexp/man/u_man/man1"
- : If prefix contains 'perl' then we want to keep the man pages
- : under the prefix directory. Otherwise, look in a variety of
- : other possible places. This is debatable, but probably a
- : good compromise.
- case "$prefix" in
- *perl*) ;;
- *) lookpath="$lookpath /usr/local/man/man1"
- lookpath="$lookpath /opt/local/man/man1"
- lookpath="$lookpath /usr/local/man/man.1"
- lookpath="$lookpath /opt/local/man/man.1"
- lookpath="$lookpath /usr/man/local/man1"
- lookpath="$lookpath /usr/man/l_man/man1"
- lookpath="$lookpath /usr/man/p_man/man1"
- lookpath="$lookpath /usr/man/u_man/man1"
- lookpath="$lookpath /usr/man/man.L"
- lookpath="$lookpath /usr/man/man.l"
- ;;
- esac
- dflt=`./loc . $prefixexp/man/man1 $lookpath`
- set dflt
- eval $prefixup
- ;;
-' ') dflt=none;;
-*) dflt="$man1dir"
- ;;
+case "$sitearch" in
+'') dflt="$sitelib/$archname" ;;
+*) dflt="$sitearch" ;;
esac
-echo " "
-fn=dn+~
-rp="Where do the main $spackage manual pages (source) go?"
+$cat <<EOM
+
+The installation process will also create a directory for
+architecture-dependent site-specific extensions and modules.
+
+EOM
+fn=nd~+
+rp='Pathname for the site-specific architecture-dependent library files?'
. ./getfile
-if $test "X$man1direxp" != "X$ansexp"; then
- installman1dir=''
+if $test "X$sitearchexp" != "X$ansexp"; then
+ installsitearch=''
fi
-man1dir="$ans"
-man1direxp="$ansexp"
-case "$man1dir" in
-'') man1dir=' '
- installman1dir='';;
-esac
+sitearch="$ans"
+sitearchexp="$ansexp"
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
+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 "$installman1dir" in
- '') dflt=`echo $man1direxp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installman1dir";;
+ case "$installsitearch" in
+ '') dflt=`echo $sitearchexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installsitearch";;
esac
fn=de~
- rp='Where will man pages be installed?'
+ rp='Where will private files be installed?'
. ./getfile
- installman1dir="$ans"
+ installsitearch="$ans"
else
- installman1dir="$man1direxp"
+ installsitearch="$sitearchexp"
fi
-: What suffix to use on installed man pages
-
-case "$man1dir" in
-' ')
- man1ext='0'
- ;;
-*)
- rp="What suffix should be used for the main $spackage man pages?"
- case "$man1dir" in
- *1) dflt=1 ;;
- *1p) dflt=1p ;;
- *1pm) dflt=1pm ;;
- *l) dflt=l;;
- *n) dflt=n;;
- *o) dflt=o;;
- *p) dflt=p;;
- *C) dflt=C;;
- *L) dflt=L;;
- *L1) dflt=L1;;
- *) dflt=1;;
+: determine where old public architecture dependent libraries might be
+case "$oldarchlib" in
+'') case "$privlib" in
+ '') ;;
+ *) dflt="$privlib/$archname"
+ ;;
esac
- . ./myread
- man1ext="$ans"
+ ;;
+*) dflt="$oldarchlib"
;;
esac
+if $test ! -d "$dflt/auto"; then
+ dflt=none
+fi
+cat <<EOM
-: see if we can have long filenames
-echo " "
-rmlist="$rmlist /tmp/cf$$"
-$test -d /tmp/cf$$ || mkdir /tmp/cf$$
-first=123456789abcdef
-second=/tmp/cf$$/$first
-$rm -f $first $second
-if (echo hi >$first) 2>/dev/null; then
- if $test -f 123456789abcde; then
- echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4
- val="$undef"
- else
- if (echo hi >$second) 2>/dev/null; then
- if $test -f /tmp/cf$$/123456789abcde; then
- $cat <<'EOM'
-That's peculiar... You can have filenames longer than 14 characters, but only
-on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems
-I shall consider your system cannot support long filenames at all.
-EOM
- val="$undef"
- else
- echo 'You can have filenames longer than 14 characters.' >&4
- val="$define"
- fi
- else
- $cat <<'EOM'
-How confusing! Some of your filesystems are sane enough to allow filenames
-longer than 14 characters but some others like /tmp can't even think about them.
-So, for now on, I shall assume your kernel does not allow them at all.
-EOM
- val="$undef"
- fi
- fi
-else
- $cat <<'EOM'
-You can't have filenames longer than 14 chars. You can't even think about them!
-EOM
- val="$undef"
-fi
-set d_flexfnam
-eval $setvar
-$rm -rf /tmp/cf$$ 123456789abcde*
-
-: determine where library module manual pages go
-set man3dir man3dir none
-eval $prefixit
-$cat <<EOM
-
-$spackage has manual pages for many of the library modules.
-EOM
+In 5.001, Perl stored architecture-dependent library files in a directory
+with a name such as $privlib/$archname,
+and this directory contained files from the standard extensions and
+files from any additional extensions you might have added. Starting
+with version 5.002, all the architecture-dependent standard extensions
+will go into a version-specific directory such as
+$archlib,
+while locally-added extensions will go into
+$sitearch.
-case "$nroff" in
-nroff)
- $cat <<'EOM'
-However, you don't have nroff, so they're probably useless to you.
-You can use the supplied perldoc script instead.
-EOM
- case "$man3dir" in
- '') man3dir="none";;
- esac;;
-esac
+If you wish Perl to continue to search the old architecture-dependent
+library for your local extensions, give the path to that directory.
+If you do not wish to use your old architecture-dependent library
+files, answer 'none'.
-case "$d_flexfnam" in
-undef)
- $cat <<'EOM'
-However, your system can't handle the long file names like File::Basename.3.
-You can use the supplied perldoc script instead.
EOM
- case "$man3dir" in
- '') man3dir="none";;
- esac;;
+fn=dn~
+rp='Directory for your old 5.001 architecture-dependent libraries?'
+. ./getfile
+oldarchlib="$ans"
+oldarchlibexp="$ansexp"
+case "$oldarchlib" in
+''|' ') val="$undef" ;;
+*) val="$define" ;;
esac
+set d_oldarchlib
+eval $setvar
-echo "If you don't want the manual sources installed, answer 'none'."
-: We dont use /usr/local/man/man3 because some man programs will
-: only show the /usr/local/man/man3 contents, and not the system ones,
-: thus man less will show the perl module less.pm, but not the system
-: less command. We might also conflict with TCL man pages.
-: However, something like /opt/perl/man/man3 is fine.
-case "$man3dir" in
-'') case "$prefix" in
- *perl*) dflt=`echo $man1dir | $sed 's/man1/man3/g'` ;;
- *) dflt="$privlib/man/man3" ;;
- esac
- ;;
-' ') dflt=none;;
-*) dflt="$man3dir" ;;
-esac
+: determine where public executables go
echo " "
-
-fn=dn+~
-rp="Where do the $spackage library man pages (source) go?"
+set dflt bin bin
+eval $prefixit
+fn=d~
+rp='Pathname where the public executables will reside?'
. ./getfile
-if test "X$man3direxp" != "X$ansexp"; then
- installman3dir=''
+if $test "X$ansexp" != "X$binexp"; then
+ installbin=''
fi
-
-man3dir="$ans"
-man3direxp="$ansexp"
-case "$man3dir" in
-'') man3dir=' '
- installman3dir='';;
-esac
+bin="$ans"
+binexp="$ansexp"
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
+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 "$installman3dir" in
- '') dflt=`echo $man3direxp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installman3dir";;
+ case "$installbin" in
+ '') dflt=`echo $binexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installbin";;
esac
fn=de~
- rp='Where will man pages be installed?'
+ rp='Where will public executables be installed?'
. ./getfile
- installman3dir="$ans"
+ installbin="$ans"
else
- installman3dir="$man3direxp"
+ installbin="$binexp"
fi
-: What suffix to use on installed man pages
-
-case "$man3dir" in
-' ')
- man3ext='0'
- ;;
-*)
- rp="What suffix should be used for the $spackage library man pages?"
- case "$man3dir" in
- *3) dflt=3 ;;
- *3p) dflt=3p ;;
- *3pm) dflt=3pm ;;
- *l) dflt=l;;
- *n) dflt=n;;
- *o) dflt=o;;
- *p) dflt=p;;
- *C) dflt=C;;
- *L) dflt=L;;
- *L3) dflt=L3;;
- *) dflt=3;;
- esac
- . ./myread
- man3ext="$ans"
+: 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
-
-: determine where public executable scripts go
-set scriptdir scriptdir
-eval $prefixit
-case "$scriptdir" in
-'')
- 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
- set dflt
- eval $prefixup
- ;;
-*) dflt="$scriptdir"
- ;;
-esac
-$cat <<EOM
-
-Some installations have a separate directory just for executable scripts so
-that they can mount it across multiple architectures but keep the scripts in
-one spot. You might, for example, have a subdirectory of /usr/share for this.
-Or you might just lump your scripts in with all your other executables.
-
-EOM
-fn=d~
-rp='Where do you keep publicly executable scripts?'
-. ./getfile
-if $test "X$ansexp" != "X$scriptdirexp"; then
- installscript=''
-fi
-scriptdir="$ans"
-scriptdirexp="$ansexp"
-if $afs; then
- $cat <<EOM
-
-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).
-
-EOM
- case "$installscript" in
- '') dflt=`echo $scriptdirexp | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installscript";;
- esac
- fn=de~
- rp='Where will public scripts be installed?'
- . ./getfile
- installscript="$ans"
-else
- installscript="$scriptdirexp"
-fi
-
-: determine perl absolute location
-case "$perlpath" in
-'') perlpath=$binexp/perl ;;
-esac
-
-: figure out how to guarantee perl startup
-case "$startperl" in
-'')
- case "$sharpbang" in
- *!)
- $cat <<EOH
-
-I can use the #! construct to start perl on your system. This will
-make startup of perl scripts faster, but may cause problems if you
-want to share those scripts and perl is not in a standard place
-($perlpath) on all your platforms. The alternative is to force
-a shell by starting the script with a single ':' character.
-
-EOH
- dflt=$perlpath
- rp='What shall I put after the #! to start up perl ("none" to not use #!)?'
- . ./myread
- case "$ans" in
- none) startperl=": # use perl";;
- *) startperl="#!$ans";;
- esac
- ;;
- *) startperl=": # use perl"
- ;;
- esac
- ;;
-esac
-echo "I'll use $startperl to start perl scripts."
-
-: 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
-if $test -d "$sysman"; then
- echo "System manual is in $sysman." >&4
-else
- echo "Could not find manual pages in source form." >&4
-fi
+if $test -d "$sysman"; then
+ echo "System manual is in $sysman." >&4
+else
+ echo "Could not find manual pages in source form." >&4
+fi
: see what memory models we can support
case "$models" in
;;
esac
-: 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
-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
-else
- echo "Looks kind of like a Version 7 system, but we'll see..."
- echo exit 0 >v7
-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"
- ;;
-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
-$eunicefix bsd usg v7 osf1 eunice xenix venix
-$rm -f foo
-
: see if we need a special compiler
echo " "
if ./usg; then
;;
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 ..
-echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
-chmod 755 cppstdin
-wrapper=`pwd`/cppstdin
-ok='false'
-cd UU
+: Set private lib path
+case "$plibpth" in
+'') if ./mips; then
+ plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
+ fi;;
+esac
+case "$libpth" in
+' ') dlist='';;
+'') dlist="$loclibpth $plibpth $glibpth";;
+*) dlist="$libpth";;
+esac
-if $test "X$cppstdin" != "X" && \
- $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
-then
- echo "You used to use $cppstdin $cppminus so we'll use that again."
- case "$cpprun" in
- '') echo "But let's see if we can live without a wrapper..." ;;
- *)
- if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
- then
- echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
- ok='true'
- else
- echo "(However, $cpprun $cpplast does not work, let's see...)"
- fi
- ;;
- esac
-else
- case "$cppstdin" in
- '') ;;
- *)
- echo "Good old $cppstdin $cppminus does not seem to be of any help..."
- ;;
- esac
-fi
+: Now check and see which directories actually exist, avoiding duplicates
+libpth=''
+for xxx in $dlist
+do
+ if $test -d $xxx; then
+ case " $libpth " in
+ *" $xxx "*) ;;
+ *) libpth="$libpth $xxx";;
+ esac
+ fi
+done
+$cat <<'EOM'
-if $ok; then
- : nothing
-elif echo 'Maybe "'"$cc"' -E" will work...'; \
- $cc -E <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yup, it does."
- x_cpp="$cc -E"
- x_minus='';
-elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
- $cc -E - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yup, it does."
- x_cpp="$cc -E"
- x_minus='-';
+Some systems have incompatible or broken versions of libraries. Among
+the directories listed in the question below, please remove any you
+know not to be holding relevant libraries, and add any that are needed.
+Say "none" for none.
+
+EOM
+case "$libpth" in
+'') dflt='none';;
+*)
+ set X $libpth
+ shift
+ dflt=${1+"$@"}
+ ;;
+esac
+rp="Directories to use for library searches?"
+. ./myread
+case "$ans" in
+none) libpth=' ';;
+*) libpth="$ans";;
+esac
+
+: compute shared library extension
+case "$so" in
+'')
+ if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
+ dflt='sl'
+ else
+ dflt='so'
+ fi
+ ;;
+*) dflt="$so";;
+esac
+$cat <<EOM
+
+On some systems, shared libraries may be available. Answer 'none' if
+you want to suppress searching of shared libraries for the remaining
+of this configuration.
+
+EOM
+rp='What is the file extension used for shared libraries?'
+. ./myread
+so="$ans"
+
+: Looking for optional libraries
+echo " "
+echo "Checking for optional libraries..." >&4
+case "$libs" in
+' '|'') dflt='';;
+*) dflt="$libs";;
+esac
+case "$libswanted" in
+'') libswanted='c_s';;
+esac
+for thislib in $libswanted; do
+
+ if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib (shared)."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
+ echo "Found -l$thislib (shared)."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc lib$thislib.a X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc $thislib.a X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc lib${thislib}_s.a X $libpth`; $test -f "$xxx"; then
+ echo "Found -l${thislib}_s."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l${thislib}_s";;
+ esac
+ elif xxx=`./loc Slib$thislib.a X $xlibpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ else
+ echo "No -l$thislib."
+ fi
+done
+set X $dflt
+shift
+dflt="$*"
+case "$libs" in
+'') dflt="$dflt";;
+*) dflt="$libs";;
+esac
+case "$dflt" in
+' '|'') dflt='none';;
+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 $package on your machine as well. If your system
+needs the "-lc_s" option, include it here. Include any other special libraries
+here as well. Say "none" for none.
+EOM
+
+echo " "
+rp="Any additional libraries?"
+. ./myread
+case "$ans" in
+none) libs=' ';;
+*) libs="$ans";;
+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 ..
+echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
+chmod 755 cppstdin
+wrapper=`pwd`/cppstdin
+ok='false'
+cd UU
+
+if $test "X$cppstdin" != "X" && \
+ $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+then
+ echo "You used to use $cppstdin $cppminus so we'll use that again."
+ case "$cpprun" in
+ '') echo "But let's see if we can live without a wrapper..." ;;
+ *)
+ if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+ then
+ echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
+ ok='true'
+ else
+ echo "(However, $cpprun $cpplast does not work, let's see...)"
+ fi
+ ;;
+ esac
+else
+ case "$cppstdin" in
+ '') ;;
+ *)
+ echo "Good old $cppstdin $cppminus does not seem to be of any help..."
+ ;;
+ esac
+fi
+
+if $ok; then
+ : nothing
+elif echo 'Maybe "'"$cc"' -E" will work...'; \
+ $cc -E <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yup, it does."
+ x_cpp="$cc -E"
+ x_minus='';
+elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
+ $cc -E - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yup, it does."
+ x_cpp="$cc -E"
+ x_minus='-';
elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
$cc -P <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
esac
$rm -f testcpp.c testcpp.out
-: Set private lib path
-case "$plibpth" in
-'') if ./mips; then
- plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
- fi;;
-esac
-case "$libpth" in
-' ') dlist='';;
-'') dlist="$loclibpth $plibpth $glibpth";;
-*) dlist="$libpth";;
-esac
-
-: Now check and see which directories actually exist, avoiding duplicates
-libpth=''
-for xxx in $dlist
-do
- if $test -d $xxx; then
- case " $libpth " in
- *" $xxx "*) ;;
- *) libpth="$libpth $xxx";;
- esac
- fi
-done
-$cat <<'EOM'
-
-Some systems have incompatible or broken versions of libraries. Among
-the directories listed in the question below, please remove any you
-know not to be holding relevant libraries, and add any that are needed.
-Say "none" for none.
-
-EOM
-case "$libpth" in
-'') dflt='none';;
-*)
- set X $libpth
- shift
- dflt=${1+"$@"}
- ;;
-esac
-rp="Directories to use for library searches?"
-. ./myread
-case "$ans" in
-none) libpth=' ';;
-*) libpth="$ans";;
-esac
-
: determine optimize, if desired, or use for debug flag also
case "$optimize" in
' ') dflt='none';;
esac
$cat <<EOH
-Some C compilers have problems with their optimizers, by default, $package
+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
esac
$rm -f try try.* core
-: compute shared library extension
-case "$so" in
-'')
- if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
- dflt='sl'
- else
- dflt='so'
- fi
- ;;
-*) dflt="$so";;
-esac
-$cat <<EOM
-
-On some systems, shared libraries may be available. Answer 'none' if
-you want to suppress searching of shared libraries for the remaining
-of this configuration.
-
-EOM
-rp='What is the file extension used for shared libraries?'
-. ./myread
-so="$ans"
-
-: Looking for optional libraries
echo " "
-echo "Checking for optional libraries..." >&4
-case "$libs" in
-' '|'') dflt='';;
-*) dflt="$libs";;
-esac
-case "$libswanted" in
-'') libswanted='c_s';;
-esac
-for thislib in $libswanted; do
-
- if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`; $test -f "$xxx"; then
- echo "Found -l$thislib (shared)."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
- echo "Found -l$thislib (shared)."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib$thislib.a X $libpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc $thislib.a X $libpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib${thislib}_s.a X $libpth`; $test -f "$xxx"; then
- echo "Found -l${thislib}_s."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l${thislib}_s";;
- esac
- elif xxx=`./loc Slib$thislib.a X $xlibpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- else
- echo "No -l$thislib."
- fi
-done
-set X $dflt
-shift
-dflt="$*"
-case "$libs" in
-'') dflt="$dflt";;
-*) dflt="$libs";;
-esac
-case "$dflt" in
-' '|'') dflt='none';;
-esac
-
-$cat <<EOM
-
-Some versions of Unix support shared libraries, which make executables smaller
-but make load time slightly longer.
-
-On some systems, mostly newer Unix System V'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 $package on your machine as well. If your system
-needs the "-lc_s" option, include it here. Include any other special libraries
-here as well. Say "none" for none.
+echo "Checking for GNU C Library..." >&4
+cat >gnulibc.c <<EOM
+int
+main()
+{
+ return __libc_main();
+}
EOM
-
-echo " "
-rp="Any additional libraries?"
-. ./myread
-case "$ans" in
-none) libs=' ';;
-*) libs="$ans";;
-esac
+if $cc $ccflags $ldflags -o gnulibc gnulibc.c $libs >/dev/null 2>&1 && \
+ ./gnulibc | $contains '^GNU C Library' >/dev/null 2>&1; then
+ val="$define"
+ echo "You are using the GNU C Library"
+else
+ val="$undef"
+ echo "You are not using the GNU C Library"
+fi
+$rm -f gnulibc*
+set d_gnulibc
+eval $setvar
: see if nm is to be used to determine whether a symbol is defined or not
case "$usenm" in
'')
- dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null`
- if $test $dflt -gt 20; then
- dflt=y
- else
+ case "$d_gnulibc" in
+ $define)
dflt=n
- fi
+ ;;
+ *)
+ dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null`
+ if $test $dflt -gt 20; then
+ dflt=y
+ else
+ dflt=n
+ fi
+ ;;
+ esac
;;
*)
case "$usenm" in
the 'nm' extraction part and to compile a small test program instead to
determine whether each symbol is present. If you have a fast C compiler and/or
if your 'nm' output cannot be parsed, this may be the best solution.
+You shouldn't let me use 'nm' if you have the GNU C Library.
EOM
rp='Shall I use nm to extract C symbols from the libraries?'
fi;;
esac
+: nm options which may be necessary for shared libraries but illegal
+: for archive libraries. Thank you, Linux.
+case "$nm_so_opt" in
+'') case "$myuname" in
+ *linux*)
+ if nm --help | $grep 'dynamic' > /dev/null 2>&1; then
+ nm_so_opt='--dynamic'
+ fi
+ ;;
+ esac
+ ;;
+esac
+
case "$runnm" in
true)
: get list of predefined functions in a handy place
xxx=normal
case "$libc" in
unknown)
- set /usr/ccs/lib/libc.$so
- $test -r $1 || set /usr/lib/libc.$so
- $test -r $1 || set /usr/shlib/libc.$so
- $test -r $1 || \
- set `echo blurfl; echo /usr/lib/libc.$so.[0-9]* | \
- tr ' ' '\012' | egrep -v '\.[A-Za-z]*$' | $sed -e '
- h
- s/[0-9][0-9]*/0000&/g
- s/0*\([0-9][0-9][0-9][0-9][0-9]\)/\1/g
- G
- s/\n/ /' | \
- sort | $sed -e 's/^.* //'`
- eval set \$$#
- $test -r $1 || set /lib/libc.$so
- $test -r $1 || set /lib/libsys_s.a
- ;;
+ set /lib/libc.$so
+ for xxx in $libpth; do
+ $test -r $1 || set $xxx/libc.$so
+ : The messy sed command sorts on library version numbers.
+ $test -r $1 || \
+ set `echo blurfl; echo $xxx/libc.$so.[0-9]* | \
+ tr ' ' '\012' | egrep -v '\.[A-Za-z]*$' | $sed -e '
+ h
+ s/[0-9][0-9]*/0000&/g
+ s/0*\([0-9][0-9][0-9][0-9][0-9]\)/\1/g
+ G
+ s/\n/ /' | \
+ sort | $sed -e 's/^.* //'`
+ eval set \$$#
+ done
+ $test -r $1 || set /usr/ccs/lib/libc.$so
+ $test -r $1 || set /lib/libsys_s.a
+ ;;
*)
set blurfl
;;
echo " "
$echo $n "This may take a while...$c" >&4
-nm $nm_opt $* 2>/dev/null >libc.tmp
+: Linux may need the special Dynamic option to nm for shared libraries.
+: In general, this is stored in the nm_so_opt variable.
+: Unfortunately, that option may be fatal on non-shared libraries.
+for nm_libs_ext in $*; do
+ case $nm_libs_ext in
+ *$so*) nm $nm_so_opt $nm_opt $nm_libs_ext 2>/dev/null ;;
+ *) nm $nm_opt $nm_libs_ext 2>/dev/null ;;
+ esac
+done > libc.tmp
+
$echo $n ".$c"
$grep fprintf libc.tmp > libc.ptf
xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
xrun='eval "<libc.tmp $com >libc.list"; echo "done" >&4'
xxx='[ADTSIW]'
-if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *_[_.]*//p' -e 's/^.* $xxx //p'";\
+if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *_[_.]*//p' -e 's/^.* $xxx *//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
esac
$rm -f libnames libpath
+: Define several unixisms. Hints files or command line options
+: can be used to override them.
+case "$ar" in
+'') ar='ar';;
+esac
+case "$lib_ext" in
+'') lib_ext='.a';;
+esac
+case "$obj_ext" in
+'') obj_ext='.o';;
+esac
+case "$path_sep" in
+'') path_sep=':';;
+esac
+: Which makefile gets called first. This is used by make depend.
+case "$firstmakefile" in
+'') firstmakefile='makefile';;
+esac
+
+: determine filename position in cpp output
+echo " "
+echo "Computing filename position in cpp output for #include directives..." >&4
+echo '#include <stdio.h>' > foo.c
+$cat >fieldn <<EOF
+$startsh
+$cppstdin $cppflags $cppminus <foo.c 2>/dev/null | \
+$grep '^[ ]*#.*stdio\.h' | \
+while read cline; do
+ pos=1
+ set \$cline
+ while $test \$# -gt 0; do
+ if $test -r \`echo \$1 | $tr -d '"'\`; then
+ echo "\$pos"
+ exit 0
+ fi
+ shift
+ pos=\`expr \$pos + 1\`
+ done
+done
+EOF
+chmod +x fieldn
+fieldn=`./fieldn`
+$rm -f foo.c fieldn
+case $fieldn in
+'') pos='???';;
+1) pos=first;;
+2) pos=second;;
+3) pos=third;;
+*) pos="${fieldn}th";;
+esac
+echo "Your cpp writes the filename in the $pos field of the line."
+
+: locate header file
+$cat >findhdr <<EOF
+$startsh
+wanted=\$1
+name=''
+if test -f $usrinc/\$wanted; then
+ echo "$usrinc/\$wanted"
+ exit 0
+fi
+awkprg='{ print \$$fieldn }'
+echo "#include <\$wanted>" > foo\$\$.c
+$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \
+$grep "^[ ]*#.*\$wanted" | \
+while read cline; do
+ name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\`
+ case "\$name" in
+ */\$wanted) echo "\$name"; exit 0;;
+ *) name='';;
+ esac;
+done;
+$rm -f foo\$\$.c;
+case "\$name" in
+'') exit 1;;
+esac
+EOF
+chmod +x findhdr
+
+: define an alternate in-header-list? function
+inhdr='echo " "; td=$define; tu=$undef; yyy=$@;
+cont=true; xxf="echo \"<\$1> found.\" >&4";
+case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";;
+*) xxnf="echo \"<\$1> NOT found, ...\" >&4";;
+esac;
+case $# in 4) instead=instead;; *) instead="at last";; esac;
+while $test "$cont"; do
+ xxx=`./findhdr $1`
+ var=$2; eval "was=\$$2";
+ if $test "$xxx" && $test -r "$xxx";
+ then eval $xxf;
+ eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td";
+ cont="";
+ else eval $xxnf;
+ eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi;
+ set $yyy; shift; shift; yyy=$@;
+ case $# in 0) cont="";;
+ 2) xxf="echo \"but I found <\$1> $instead.\" >&4";
+ xxnf="echo \"and I did not find <\$1> either.\" >&4";;
+ *) xxf="echo \"but I found <\$1\> instead.\" >&4";
+ xxnf="echo \"there is no <\$1>, ...\" >&4";;
+ esac;
+done;
+while $test "$yyy";
+do set $yyy; var=$2; eval "was=\$$2";
+ eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu";
+ set $yyy; shift; shift; yyy=$@;
+done'
+
+: see if dld is available
+set dld.h i_dld
+eval $inhdr
+
: is a C symbol defined?
csym='tlook=$1;
case "$3" in
esac;;
esac'
-: Check how to convert floats to strings.
-echo " "
-echo "Checking for an efficient way to convert floats to strings."
-$cat >try.c <<'EOP'
-#ifdef TRY_gconvert
-#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
-#endif
-#ifdef TRY_gcvt
-#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
-#endif
-#ifdef TRY_sprintf
-#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
-#endif
-main() {
- char buf[64];
- Gconvert(1.0, 8, 0, buf);
- if (buf[0] != '1' || buf[1] != '\0')
- exit(1);
- Gconvert(0.0, 8, 0, buf);
- if (buf[0] != '0' || buf[1] != '\0')
- exit(1);
- Gconvert(-1.0, 8, 0, buf);
- if (buf[0] != '-' || buf[1] != '1' || buf[2] != '\0')
- exit(1);
- exit(0);
-}
-EOP
-case "$d_Gconvert" in
-gconvert*) xxx_list='gconvert gcvt sprintf' ;;
-gcvt*) xxx_list='gcvt gconvert sprintf' ;;
-sprintf*) xxx_list='sprintf gconvert gcvt' ;;
-*) xxx_list='gconvert gcvt sprintf' ;;
-esac
+: see if dlopen exists
+xxx_runnm="$runnm"
+runnm=false
+set dlopen d_dlopen
+eval $inlibc
+runnm="$xxx_runnm"
-for xxx_convert in $xxx_list; do
- echo "Trying $xxx_convert"
- $rm -f try try.o
- if $cc $ccflags -DTRY_$xxx_convert $ldflags -o try \
- try.c $libs > /dev/null 2>&1 ; then
- echo "$xxx_convert" found. >&4
- if ./try; then
- echo "Good, $xxx_convert drops a trailing decimal point."
- echo "I'll use $xxx_convert to convert floats into a string." >&4
- break;
+: determine which dynamic loading, if any, to compile in
+echo " "
+dldir="ext/DynaLoader"
+case "$usedl" in
+$define|y|true)
+ dflt='y'
+ usedl="$define"
+ ;;
+$undef|n|false)
+ dflt='n'
+ usedl="$undef"
+ ;;
+*)
+ dflt='n'
+ case "$d_dlopen" in
+ $define) dflt='y' ;;
+ esac
+ case "$i_dld" in
+ $define) dflt='y' ;;
+ esac
+ : Does a dl_xxx.xs file exist for this operating system
+ $test -f ../$dldir/dl_${osname}.xs && dflt='y'
+ ;;
+esac
+rp="Do you wish to use dynamic loading?"
+. ./myread
+usedl="$ans"
+case "$ans" in
+y*) usedl="$define"
+ case "$dlsrc" in
+ '')
+ if $test -f ../$dldir/dl_${osname}.xs ; then
+ dflt="$dldir/dl_${osname}.xs"
+ elif $test "$d_dlopen" = "$define" ; then
+ dflt="$dldir/dl_dlopen.xs"
+ elif $test "$i_dld" = "$define" ; then
+ dflt="$dldir/dl_dld.xs"
else
- echo "But $xxx_convert keeps a trailing decimal point".
+ dflt=''
fi
- else
- echo "$xxx_convert NOT found." >&4
- fi
-done
-
-case "$xxx_convert" in
-gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;;
-gcvt) d_Gconvert='gcvt((x),(n),(b))' ;;
-*) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;;
-esac
+ ;;
+ *) dflt="$dldir/$dlsrc"
+ ;;
+ esac
+ echo "The following dynamic loading files are available:"
+ : Can not go over to $dldir because getfile has path hard-coded in.
+ cd ..; ls -C $dldir/dl*.xs; cd UU
+ rp="Source file to use for dynamic loading"
+ fn="fne"
+ . ./getfile
+ usedl="$define"
+ : emulate basename
+ dlsrc=`echo $ans | $sed -e 's@.*/\([^/]*\)$@\1@'`
-: Initialize h_fcntl
-h_fcntl=false
+ $cat << EOM
-: Initialize h_sysfile
-h_sysfile=false
+Some systems may require passing special flags to $cc -c to
+compile modules that will be used to create a shared library.
+To use no flags, say "none".
-: determine filename position in cpp output
-echo " "
-echo "Computing filename position in cpp output for #include directives..." >&4
-echo '#include <stdio.h>' > foo.c
-$cat >fieldn <<EOF
-$startsh
-$cppstdin $cppflags $cppminus <foo.c 2>/dev/null | \
-$grep '^[ ]*#.*stdio\.h' | \
-while read cline; do
- pos=1
- set \$cline
- while $test \$# -gt 0; do
- if $test -r \`echo \$1 | $tr -d '"'\`; then
- echo "\$pos"
- exit 0
- fi
- shift
- pos=\`expr \$pos + 1\`
- done
-done
-EOF
-chmod +x fieldn
-fieldn=`./fieldn`
-$rm -f foo.c fieldn
-case $fieldn in
-'') pos='???';;
-1) pos=first;;
-2) pos=second;;
-3) pos=third;;
-*) pos="${fieldn}th";;
-esac
-echo "Your cpp writes the filename in the $pos field of the line."
+EOM
+ case "$cccdlflags" in
+ '') case "$gccversion" in
+ '') case "$osname" in
+ hpux) dflt='+z' ;;
+ next) dflt='none' ;;
+ solaris|svr4*|esix*) dflt='-Kpic' ;;
+ irix*) dflt='-KPIC' ;;
+ sunos) dflt='-pic' ;;
+ *) dflt='none' ;;
+ esac ;;
+ *) dflt='-fpic' ;;
+ esac ;;
+ *) dflt="$cccdlflags" ;;
+ esac
+ rp="Any special flags to pass to $cc -c to compile shared library modules?"
+ . ./myread
+ case "$ans" in
+ none) cccdlflags=' ' ;;
+ *) cccdlflags="$ans" ;;
+ esac
-: locate header file
-$cat >findhdr <<EOF
-$startsh
-wanted=\$1
-name=''
-if test -f $usrinc/\$wanted; then
- echo "$usrinc/\$wanted"
- exit 0
-fi
-awkprg='{ print \$$fieldn }'
-echo "#include <\$wanted>" > foo\$\$.c
-$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \
-$grep "^[ ]*#.*\$wanted" | \
-while read cline; do
- name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\`
- case "\$name" in
- */\$wanted) echo "\$name"; exit 0;;
- *) name='';;
- esac;
-done;
-$rm -f foo\$\$.c;
-case "\$name" in
-'') exit 1;;
-esac
-EOF
-chmod +x findhdr
+ cat << EOM
-: access call always available on UNIX
-set access d_access
-eval $inlibc
+Some systems use ld to create libraries that can be dynamically loaded,
+while other systems (such as those using ELF) use $cc.
-: locate the flags for 'access()'
-case "$d_access" in
-"$define")
- echo " "
- $cat >access.c <<'EOCP'
-#include <sys/types.h>
-#ifdef I_FCNTL
+EOM
+ case "$ld" in
+ '') $cat >try.c <<'EOM'
+/* Test for whether ELF binaries are produced */
#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
-#ifdef I_UNISTD
-#include <unistd.h>
-#endif
+#include <stdlib.h>
main() {
- exit(R_OK);
-}
-EOCP
- : check sys/file.h first, no particular reason here
- if $test `./findhdr sys/file.h` && \
- $cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then
- h_sysfile=true;
- echo "<sys/file.h> defines the *_OK access constants." >&4
- elif $test `./findhdr fcntl.h` && \
- $cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then
- h_fcntl=true;
- echo "<fcntl.h> defines the *_OK access constants." >&4
- elif $test `./findhdr unistd.h` && \
- $cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then
- echo "<unistd.h> defines the *_OK access constants." >&4
+ char b[4];
+ int i = open("a.out",O_RDONLY);
+ if(i == -1)
+ exit(1); /* fail */
+ if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F')
+ exit(0); /* succeed (yes, it's ELF) */
else
- echo "I can't find the four *_OK access constants--I'll use mine." >&4
- fi
- ;;
-esac
-$rm -f access*
+ exit(1); /* fail */
+}
+EOM
+ if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then
+ cat <<EOM
+You appear to have ELF support. I'll use $cc to build dynamic libraries.
+EOM
+ dflt="$cc"
+ else
+ echo "I'll use ld to build dynamic libraries."
+ dflt='ld'
+ fi
+ rm -f try.c a.out
+ ;;
+ *) dflt="$ld"
+ ;;
+ esac
-: see if alarm exists
-set alarm d_alarm
-eval $inlibc
+ rp="What command should be used to create dynamic libraries?"
+ . ./myread
+ ld="$ans"
-: Look for GNU-cc style attribute checking
-echo " "
-echo "Checking whether your compiler can handle __attribute__ ..." >&4
-$cat >attrib.c <<'EOCP'
-#include <stdio.h>
-void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
-EOCP
-if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
- echo "Your C compiler doesn't fully support __attribute__."
- val="$undef"
- else
- echo "Your C compiler supports __attribute__."
- val="$define"
- fi
-else
- echo "Your C compiler doesn't seem to understand __attribute__ at all."
- val="$undef"
-fi
-set d_attribut
-eval $setvar
-$rm -f attrib*
+ cat << EOM
-: see if bcmp exists
-set bcmp d_bcmp
-eval $inlibc
+Some systems may require passing special flags to $ld to create a
+library that can be dynamically loaded. If your ld flags include
+-L/other/path options to locate libraries outside your loader's normal
+search path, you may need to specify those -L options here as well. To
+use no flags, say "none".
-: see if bcopy exists
-set bcopy d_bcopy
-eval $inlibc
-
-: see if setpgrp exists
-set setpgrp d_setpgrp
-eval $inlibc
+EOM
+ case "$lddlflags" in
+ '') case "$osname" in
+ hpux) dflt='-b' ;;
+ linux|irix*) dflt='-shared' ;;
+ next) dflt='none' ;;
+ solaris) dflt='-G' ;;
+ sunos) dflt='-assert nodefinitions' ;;
+ svr4*|esix*) dflt="-G $ldflags" ;;
+ *) dflt='none' ;;
+ esac
+ ;;
+ *) dflt="$lddlflags" ;;
+ esac
-: see which flavor of setpgrp is in use
-case "$d_setpgrp" in
-"$define")
- echo " "
- $cat >set.c <<EOP
-main()
-{
- if (getuid() == 0) {
- printf("(I see you are running Configure as super-user...)\n");
- setuid(1);
- }
- if (-1 == setpgrp(1, 1))
- exit(1);
- exit(0);
-}
-EOP
- if $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1; then
- ./set 2>/dev/null
- case $? in
- 0) echo "You have to use setpgrp() instead of setpgrp(pid, pgrp)." >&4
- val="$undef";;
- *) echo "You have to use setpgrp(pid, pgrp) instead of setpgrp()." >&4
- val="$define";;
+: Try to guess additional flags to pick up local libraries.
+for thisflag in $ldflags; do
+ case "$thisflag" in
+ -L*)
+ case " $dflt " in
+ *" $thisflag "*) ;;
+ *) dflt="$dflt $thisflag" ;;
esac
- else
- if ./usg; then
- xxx="USG one, i.e. you use setpgrp()."
- val="$undef"
- else
- xxx="BSD one, i.e. you use setpgrp(pid, pgrp)."
- val="$define"
- fi
- echo "Assuming your setpgrp is a $xxx" >&4
- fi
- ;;
-*) val="$undef";;
+ ;;
+ esac
+done
+
+case "$dflt" in
+'') dflt='none' ;;
esac
-set d_bsdpgrp
-eval $setvar
-$rm -f set set.c
-: see if bzero exists
-set bzero d_bzero
-eval $inlibc
+ rp="Any special flags to pass to $ld to create a dynamically loaded library?"
+ . ./myread
+ case "$ans" in
+ none) lddlflags=' ' ;;
+ *) lddlflags="$ans" ;;
+ esac
-: check for length of integer
-echo " "
-case "$intsize" in
-'')
- echo "Checking to see how big your integers are..." >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-main()
-{
- printf("%d\n", sizeof(int));
- exit(0);
-}
-EOCP
- if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
- intsize=`./try`
- echo "Your integers are $intsize bytes long."
- else
- dflt='4'
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of an integer (in bytes)?"
- . ./myread
- intsize="$ans"
- fi
+ cat <<EOM
+
+Some systems may require passing special flags to $cc to indicate that
+the resulting executable will use dynamic linking. To use no flags,
+say "none".
+
+EOM
+ case "$ccdlflags" in
+ '') case "$osname" in
+ hpux) dflt='-Wl,-E' ;;
+ linux) dflt='-rdynamic' ;;
+ next) dflt='none' ;;
+ sunos) dflt='none' ;;
+ *) dflt='none' ;;
+ esac ;;
+ *) dflt="$ccdlflags" ;;
+ esac
+ rp="Any special flags to pass to $cc to use dynamic loading?"
+ . ./myread
+ case "$ans" in
+ none) ccdlflags=' ' ;;
+ *) ccdlflags="$ans" ;;
+ esac
+ ;;
+*) usedl="$undef"
+ ld='ld'
+ dlsrc='dl_none.xs'
+ lddlflags=''
+ ccdlflags=''
+ ;;
+esac
+
+also=''
+case "$usedl" in
+$undef)
+ # No dynamic loading being used, so don't bother even to prompt.
+ useshrplib='false'
+ ;;
+*) case "$useshrplib" in
+ '') case "$osname" in
+ svr4|dgux|dynixptx|esix|powerux)
+ dflt='yes'
+ also='Building a shared libperl is required for dynamic loading to work on your system.'
+ ;;
+ next*)
+ case "$osvers" in
+ 4*) dflt='yes'
+ also='Building a shared libperl is needed for MAB support.'
+ ;;
+ *) dflt='no'
+ ;;
+ esac
+ ;;
+ sunos)
+ dflt='no'
+ also='Building a shared libperl will definitely not work on SunOS 4.'
+ ;;
+ *) dflt='no'
+ ;;
+ esac
+ ;;
+ $define|true|[Yy]*)
+ dflt='yes'
+ ;;
+ *) dflt='no'
+ ;;
+ esac
+ $cat << EOM
+
+The perl executable is normally obtained by linking perlmain.c with
+libperl${lib_ext}, any static extensions (usually just DynaLoader), and
+any other libraries needed on this system (such as -lm, etc.). Since
+your system supports dynamic loading, it is probably possible to build
+a shared libperl.$so. If you will have more than one executable linked
+to libperl.$so, this will significantly reduce the size of each
+executable, but it may have a noticeable affect on performance. The
+default is probably sensible for your system.
+$also
+
+EOM
+ rp="Build a shared libperl.$so (y/n)"
+ . ./myread
+ case "$ans" in
+ true|$define|[Yy]*)
+ useshrplib='true'
+ # Why does next4 have to be so different?
+ case "${osname}${osvers}" in
+ next4*) xxx='DYLD_LIBRARY_PATH' ;;
+ *) xxx='LD_LIBRARY_PATH' ;;
+ esac
+ $cat <<EOM >&4
+
+To build perl, you must add the current working directory to your
+$xxx environtment variable before running make. You can do
+this with
+ $xxx=\`pwd\`; export $xxx
+for Bourne-style shells, or
+ setenv $xxx \`pwd\`
+for Csh-style shells. You *MUST* do this before running make.
+
+EOM
+ ;;
+ *) useshrplib='false' ;;
+ esac
;;
esac
-$rm -f try.c try
-: see if signal is declared as pointer to function returning int or void
-echo " "
-xxx=`./findhdr signal.h`
-$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null
-if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
- echo "You have int (*signal())() instead of void." >&4
- val="$undef"
-elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
- echo "You have void (*signal())() instead of int." >&4
- val="$define"
-elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then
- echo "You have int (*signal())() instead of void." >&4
- val="$undef"
-else
- case "$d_voidsig" in
+case "$useshrplib" in
+true)
+ case "$libperl" in
'')
- echo "I can't determine whether signal handler returns void or int..." >&4
- dflt=void
- rp="What type does your signal handler return?"
- . ./myread
- case "$ans" in
- v*) val="$define";;
- *) val="$undef";;
- esac;;
- "$define")
- echo "As you already told me, signal handler returns void." >&4;;
- *)
- echo "As you already told me, signal handler returns int." >&4;;
+ # Figure out a good name for libperl.so. Since it gets stored in
+ # a version-specific architecture-dependent library, the version
+ # number isn't really that important, except for making cc/ld happy.
+ #
+ # A name such as libperl.so.3.1
+ majmin="libperl.$so.$patchlevel.$subversion"
+ # A name such as libperl.so.301
+ majonly=`echo $patchlevel $subversion |
+ $awk '{printf "%d%02d", $1, $2}'`
+ majonly=libperl.$so.$majonly
+ # I'd prefer to keep the os-specific stuff here to a minimum, and
+ # rely on figuring it out from the naming of libc.
+ case "${osname}${osvers}" in
+ next4*)
+ dflt=libperl.5.$so
+ # XXX How handle the --version stuff for MAB?
+ ;;
+ linux*) # ld won't link with a bare -lperl otherwise.
+ dflt=libperl.$so
+ ;;
+ *) # Try to guess based on whether libc has major.minor.
+ case "$libc" in
+ *libc.$so.[0-9]*.[0-9]*) dflt=$majmin ;;
+ *libc.$so.[0-9]*) dflt=$majonly ;;
+ *) dflt=libperl.$so ;;
+ esac
+ ;;
+ esac
+ ;;
+ *) dflt=$libperl
+ ;;
esac
-fi
-set d_voidsig
-eval $setvar
-case "$d_voidsig" in
-"$define") signal_t="void";;
-*) signal_t="int";;
-esac
-$rm -f $$.tmp
+ cat << EOM
-: check for ability to cast large floats to 32-bit ints.
-echo " "
-echo 'Checking whether your C compiler can cast large floats to int32.' >&4
-if $test "$intsize" -eq 4; then
- xxx=int
-else
- xxx=long
-fi
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#include <signal.h>
-$signal_t blech() { exit(3); }
-main()
-{
- $xxx i32;
- double f;
- int result = 0;
- signal(SIGFPE, blech);
+I need to select a good name for the shared libperl. If your system uses
+library names with major and minor numbers, then you might want something
+like $majmin. Alternatively, if your system uses a single version
+number for shared libraries, then you might want to use $majonly.
+Or, your system might be quite happy with a simple libperl.$so.
- f = (double) 0x7fffffff;
- f = 10 * f;
- i32 = ($xxx) f;
+Since the shared libperl will get installed into a version-specific
+architecture-dependent directory, the version number of the shared perl
+library probably isn't important, so the default should be o.k.
- if (i32 != ($xxx) f)
- result |= 1;
- exit(result);
-}
-EOCP
-if $cc -o try $ccflags try.c >/dev/null 2>&1; then
- ./try
- yyy=$?
-else
- echo "(I can't seem to compile the test program--assuming it can't)"
- yyy=1
-fi
-case "$yyy" in
-0) val="$define"
- echo "Yup, it can."
+EOM
+ rp='What name do you want to give to the shared libperl?'
+ . ./myread
+ libperl=$ans
+ echo "Ok, I'll use $libperl"
;;
-*) val="$undef"
- echo "Nope, it can't."
+*)
+ libperl="libperl${lib_ext}"
;;
esac
-set d_casti32
-eval $setvar
-$rm -f try try.*
-: check for ability to cast negative floats to unsigned
-echo " "
-echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#include <signal.h>
-$signal_t blech() { exit(7); }
-$signal_t blech_in_list() { exit(4); }
-unsigned long dummy_long(p) unsigned long p; { return p; }
-unsigned int dummy_int(p) unsigned int p; { return p; }
-unsigned short dummy_short(p) unsigned short p; { return p; }
-main()
-{
- double f = -123.;
- unsigned long along;
- unsigned int aint;
- unsigned short ashort;
- int result = 0;
+# Detect old use of shrpdir via undocumented Configure -Dshrpdir
+case "$shrpdir" in
+'') ;;
+*) $cat >&4 <<EOM
+WARNING: Use of the shrpdir variable for the installation location of
+the shared $libperl is not supported. It was never documented and
+will not work in this version. Let me (doughera@lafcol.lafayette.edu)
+know of any problems this may cause.
- signal(SIGFPE, blech);
- along = (unsigned long)f;
- aint = (unsigned int)f;
- ashort = (unsigned short)f;
- if (along != (unsigned long)-123)
- result |= 1;
- if (aint != (unsigned int)-123)
- result |= 1;
- if (ashort != (unsigned short)-123)
- result |= 1;
- f = (double)0x40000000;
- f = f + f;
- along = 0;
- along = (unsigned long)f;
- if (along != 0x80000000)
- result |= 2;
- f -= 1.;
- along = 0;
- along = (unsigned long)f;
- if (along != 0x7fffffff)
- result |= 1;
- f += 2.;
- along = 0;
- along = (unsigned long)f;
- if (along != 0x80000001)
- result |= 2;
- if (result)
- exit(result);
- signal(SIGFPE, blech_in_list);
- f = 123.;
- along = dummy_long((unsigned long)f);
- aint = dummy_int((unsigned int)f);
- ashort = dummy_short((unsigned short)f);
- if (along != (unsigned long)123)
- result |= 4;
- if (aint != (unsigned int)123)
- result |= 4;
- if (ashort != (unsigned short)123)
- result |= 4;
- exit(result);
+EOM
+ case "$shrpdir" in
+ "$archlibexp/CORE")
+ $cat >&4 <<EOM
+But your current setting of $shrpdir is
+the default anyway, so it's harmless.
+EOM
+ ;;
+ *)
+ $cat >&4 <<EOM
+Further, your current attempted setting of $shrpdir
+conflicts with the value of $archlibexp/CORE
+that installperl will use.
+EOM
+ ;;
+ esac
+ ;;
+esac
-}
-EOCP
-if $cc -o try $ccflags try.c >/dev/null 2>&1; then
- ./try
- castflags=$?
-else
- echo "(I can't seem to compile the test program--assuming it can't)"
- castflags=7
+# How will the perl executable find the installed shared $libperl?
+# Add $xxx to ccdlflags.
+# If we can't figure out a command-line option, use $shrpenv to
+# set env LD_RUN_PATH. The main perl makefile uses this.
+shrpdir=$archlibexp/CORE
+xxx=''
+tmp_shrpenv=''
+if "$useshrplib"; then
+ case "$osname" in
+ solaris|netbsd)
+ xxx="-R $shrpdir"
+ ;;
+ linux|irix*)
+ xxx="-Wl,-rpath,$shrpdir"
+ ;;
+ *)
+ tmp_shrpenv="env LD_RUN_PATH=$shrpdir"
+ ;;
+ esac
+ case "$xxx" in
+ '') ;;
+ *) ccdlflags="$ccdlflags $xxx"
+ cat <<EOM >&4
+
+Adding $xxx to the flags
+passed to $ld so that the perl executable will find the
+installed shared $libperl.
+
+EOM
+ ;;
+ esac
fi
-case "$castflags" in
-0) val="$define"
- echo "Yup, it can."
+# Respect a hint or command-line value.
+case "$shrpenv" in
+'') shrpenv="$tmp_shrpenv" ;;
+esac
+
+: determine where manual pages go
+set man1dir man1dir none
+eval $prefixit
+$cat <<EOM
+
+$spackage has manual pages available in source form.
+EOM
+case "$nroff" in
+nroff)
+ echo "However, you don't have nroff, so they're probably useless to you."
+ case "$man1dir" in
+ '') man1dir="none";;
+ esac;;
+esac
+echo "If you don't want the manual sources installed, answer 'none'."
+case "$man1dir" in
+' ') dflt=none
;;
-*) val="$undef"
- echo "Nope, it can't."
+'')
+ lookpath="$prefixexp/man/man1 $prefixexp/man/l_man/man1"
+ lookpath="$lookpath $prefixexp/man/p_man/man1"
+ lookpath="$lookpath $prefixexp/man/u_man/man1"
+ lookpath="$lookpath $prefixexp/man/man.1"
+ : If prefix contains 'perl' then we want to keep the man pages
+ : under the prefix directory. Otherwise, look in a variety of
+ : other possible places. This is debatable, but probably a
+ : good compromise. Well, apparently not.
+ : Experience has shown people expect man1dir to be under prefix,
+ : so we now always put it there. Users who want other behavior
+ : can answer interactively or use a command line option.
+ : Does user have System V-style man paths.
+ case "$sysman" in
+ */?_man*) dflt=`./loc . $prefixexp/l_man/man1 $lookpath` ;;
+ *) dflt=`./loc . $prefixexp/man/man1 $lookpath` ;;
+ esac
+ set dflt
+ eval $prefixup
+ ;;
+*) dflt="$man1dir"
;;
esac
-set d_castneg
-eval $setvar
-$rm -f try.*
-
-: see if vprintf exists
echo " "
-if set vprintf val -f d_vprintf; eval $csym; $val; then
- echo 'vprintf() found.' >&4
- val="$define"
- $cat >vprintf.c <<'EOF'
-#include <varargs.h>
-
-main() { xxx("foo"); }
+fn=dn+~
+rp="Where do the main $spackage manual pages (source) go?"
+. ./getfile
+if $test "X$man1direxp" != "X$ansexp"; then
+ installman1dir=''
+fi
+man1dir="$ans"
+man1direxp="$ansexp"
+case "$man1dir" in
+'') man1dir=' '
+ installman1dir='';;
+esac
+if $afs; then
+ $cat <<EOM
-xxx(va_alist)
-va_dcl
-{
- va_list args;
- char buf[10];
+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).
- va_start(args);
- exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
-}
-EOF
- if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then
- echo "Your vsprintf() returns (int)." >&4
- val2="$undef"
- else
- echo "Your vsprintf() returns (char*)." >&4
- val2="$define"
- fi
+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"
else
- echo 'vprintf() NOT found.' >&4
- val="$undef"
- val2="$undef"
+ installman1dir="$man1direxp"
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
+: What suffix to use on installed man pages
-: see if chsize exists
-set chsize d_chsize
-eval $inlibc
+case "$man1dir" in
+' ')
+ man1ext='0'
+ ;;
+*)
+ rp="What suffix should be used for the main $spackage man pages?"
+ case "$man1ext" in
+ '') case "$man1dir" in
+ *1) dflt=1 ;;
+ *1p) dflt=1p ;;
+ *1pm) dflt=1pm ;;
+ *l) dflt=l;;
+ *n) dflt=n;;
+ *o) dflt=o;;
+ *p) dflt=p;;
+ *C) dflt=C;;
+ *L) dflt=L;;
+ *L1) dflt=L1;;
+ *) dflt=1;;
+ esac
+ ;;
+ *) dflt="$man1ext";;
+ esac
+ . ./myread
+ man1ext="$ans"
+ ;;
+esac
-: check for const keyword
+: see if we can have long filenames
echo " "
-echo 'Checking to see if your C compiler knows about "const"...' >&4
-$cat >const.c <<'EOCP'
-typedef struct spug { int drokk; } spug;
-main()
-{
- const char *foo;
- const spug y;
-}
-EOCP
-if $cc -c $ccflags const.c >/dev/null 2>&1 ; then
- val="$define"
- echo "Yup, it does."
+rmlist="$rmlist /tmp/cf$$"
+$test -d /tmp/cf$$ || mkdir /tmp/cf$$
+first=123456789abcdef
+second=/tmp/cf$$/$first
+$rm -f $first $second
+if (echo hi >$first) 2>/dev/null; then
+ if $test -f 123456789abcde; then
+ echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4
+ val="$undef"
+ else
+ if (echo hi >$second) 2>/dev/null; then
+ if $test -f /tmp/cf$$/123456789abcde; then
+ $cat <<'EOM'
+That's peculiar... You can have filenames longer than 14 characters, but only
+on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems
+I shall consider your system cannot support long filenames at all.
+EOM
+ val="$undef"
+ else
+ echo 'You can have filenames longer than 14 characters.' >&4
+ val="$define"
+ fi
+ else
+ $cat <<'EOM'
+How confusing! Some of your filesystems are sane enough to allow filenames
+longer than 14 characters but some others like /tmp can't even think about them.
+So, for now on, I shall assume your kernel does not allow them at all.
+EOM
+ val="$undef"
+ fi
+ fi
else
+ $cat <<'EOM'
+You can't have filenames longer than 14 chars. You can't even think about them!
+EOM
val="$undef"
- echo "Nope, it doesn't."
-fi
-set d_const
+fi
+set d_flexfnam
eval $setvar
+$rm -rf /tmp/cf$$ 123456789abcde*
-: see if crypt exists
-echo " "
-if set crypt val -f d_crypt; eval $csym; $val; then
- echo 'crypt() found.' >&4
- val="$define"
- cryptlib=''
-else
- cryptlib=`./loc Slibcrypt.a "" $xlibpth`
- if $test -z "$cryptlib"; then
- cryptlib=`./loc Mlibcrypt.a "" $xlibpth`
- else
- cryptlib=-lcrypt
- fi
- if $test -z "$cryptlib"; then
- cryptlib=`./loc Llibcrypt.a "" $xlibpth`
- else
- cryptlib=-lcrypt
- fi
- if $test -z "$cryptlib"; then
- cryptlib=`./loc libcrypt.a "" $libpth`
- else
- cryptlib=-lcrypt
- fi
- if $test -z "$cryptlib"; then
- echo 'crypt() NOT found.' >&4
- val="$undef"
- else
- val="$define"
- fi
-fi
-set d_crypt
-eval $setvar
+: determine where library module manual pages go
+set man3dir man3dir none
+eval $prefixit
+$cat <<EOM
-: get csh whereabouts
-case "$csh" in
-'csh') val="$undef" ;;
-*) val="$define" ;;
+$spackage has manual pages for many of the library modules.
+EOM
+
+case "$nroff" in
+nroff)
+ $cat <<'EOM'
+However, you don't have nroff, so they're probably useless to you.
+You can use the supplied perldoc script instead.
+EOM
+ case "$man3dir" in
+ '') man3dir="none";;
+ esac;;
esac
-set d_csh
-eval $setvar
-full_csh=$csh
-: see if cuserid exists
-set cuserid d_cuserid
-eval $inlibc
+case "$d_flexfnam" in
+undef)
+ $cat <<'EOM'
+However, your system can't handle the long file names like File::Basename.3.
+You can use the supplied perldoc script instead.
+EOM
+ case "$man3dir" in
+ '') man3dir="none";;
+ esac;;
+esac
-: define an alternate in-header-list? function
-inhdr='echo " "; td=$define; tu=$undef; yyy=$@;
-cont=true; xxf="echo \"<\$1> found.\" >&4";
-case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";;
-*) xxnf="echo \"<\$1> NOT found, ...\" >&4";;
-esac;
-case $# in 4) instead=instead;; *) instead="at last";; esac;
-while $test "$cont"; do
- xxx=`./findhdr $1`
- var=$2; eval "was=\$$2";
- if $test "$xxx" && $test -r "$xxx";
- then eval $xxf;
- eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td";
- cont="";
- else eval $xxnf;
- eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi;
- set $yyy; shift; shift; yyy=$@;
- case $# in 0) cont="";;
- 2) xxf="echo \"but I found <\$1> $instead.\" >&4";
- xxnf="echo \"and I did not find <\$1> either.\" >&4";;
- *) xxf="echo \"but I found <\$1\> instead.\" >&4";
- xxnf="echo \"there is no <\$1>, ...\" >&4";;
- esac;
-done;
-while $test "$yyy";
-do set $yyy; var=$2; eval "was=\$$2";
- eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu";
- set $yyy; shift; shift; yyy=$@;
-done'
+echo "If you don't want the manual sources installed, answer 'none'."
+: We dont use /usr/local/man/man3 because some man programs will
+: only show the /usr/local/man/man3 contents, and not the system ones,
+: thus man less will show the perl module less.pm, but not the system
+: less command. We might also conflict with TCL man pages.
+: However, something like /opt/perl/man/man3 is fine.
+case "$man3dir" in
+'') case "$prefix" in
+ *perl*) dflt=`echo $man1dir |
+ $sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'` ;;
+ *) dflt="$privlib/man/man3" ;;
+ esac
+ ;;
+' ') dflt=none;;
+*) dflt="$man3dir" ;;
+esac
+echo " "
-: see if this is a limits.h system
-set limits.h i_limits
-eval $inhdr
+fn=dn+~
+rp="Where do the $spackage library man pages (source) go?"
+. ./getfile
+if test "X$man3direxp" != "X$ansexp"; then
+ installman3dir=''
+fi
-: see if this is a float.h system
-set float.h i_float
-eval $inhdr
+man3dir="$ans"
+man3direxp="$ansexp"
+case "$man3dir" in
+'') man3dir=' '
+ installman3dir='';;
+esac
+if $afs; then
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+manual pages reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
-: See if number of significant digits in a double precision number is known
-echo " "
-$cat >dbl_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 DBL_DIG
-printf("Contains DBL_DIG");
-#endif
EOM
-$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null
-if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then
- echo "DBL_DIG found." >&4
- val="$define"
+ case "$installman3dir" in
+ '') dflt=`echo $man3direxp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installman3dir";;
+ esac
+ fn=de~
+ rp='Where will man pages be installed?'
+ . ./getfile
+ installman3dir="$ans"
else
- echo "DBL_DIG NOT found." >&4
- val="$undef"
+ installman3dir="$man3direxp"
fi
-$rm -f dbl_dig.?
-set d_dbl_dig
-eval $setvar
-: see if difftime exists
-set difftime d_difftime
-eval $inlibc
+: What suffix to use on installed man pages
-: see if this is a dirent system
-echo " "
-if xinc=`./findhdr dirent.h`; $test "$xinc"; then
- val="$define"
- echo "<dirent.h> found." >&4
-else
- val="$undef"
- if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then
- echo "<sys/dir.h> found." >&4
+case "$man3dir" in
+' ')
+ man3ext='0'
+ ;;
+*)
+ rp="What suffix should be used for the $spackage library man pages?"
+ case "$man3ext" in
+ '') case "$man3dir" in
+ *3) dflt=3 ;;
+ *3p) dflt=3p ;;
+ *3pm) dflt=3pm ;;
+ *l) dflt=l;;
+ *n) dflt=n;;
+ *o) dflt=o;;
+ *p) dflt=p;;
+ *C) dflt=C;;
+ *L) dflt=L;;
+ *L3) dflt=L3;;
+ *) dflt=3;;
+ esac
+ ;;
+ *) dflt="$man3ext";;
+ esac
+ . ./myread
+ man3ext="$ans"
+ ;;
+esac
+
+: see if we have to deal with yellow pages, now NIS.
+if $test -d /usr/etc/yp || $test -d /etc/yp; then
+ if $test -f /usr/etc/nibindd; then
echo " "
- else
- xinc=`./findhdr sys/ndir.h`
+ echo "I'm fairly confident you're on a NeXT."
+ echo " "
+ rp='Do you get the hosts file via NetInfo?'
+ dflt=y
+ case "$hostcat" in
+ nidump*) ;;
+ '') ;;
+ *) dflt=n;;
+ esac
+ . ./myread
+ case "$ans" in
+ y*) hostcat='nidump hosts .';;
+ *) case "$hostcat" in
+ nidump*) hostcat='';;
+ esac
+ ;;
+ esac
fi
- echo "<dirent.h> NOT found." >&4
+ case "$hostcat" in
+ nidump*) ;;
+ *)
+ case "$hostcat" in
+ *ypcat*) dflt=y;;
+ '') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then
+ dflt=y
+ else
+ dflt=n
+ fi;;
+ *) dflt=n;;
+ esac
+ echo " "
+ rp='Are you getting the hosts file via yellow pages?'
+ . ./myread
+ case "$ans" in
+ y*) hostcat='ypcat hosts';;
+ *) hostcat='cat /etc/hosts';;
+ esac
+ ;;
+ esac
fi
-set i_dirent
-eval $setvar
-: Look for type of directory structure.
+: now get the host name
echo " "
-$cppstdin $cppflags $cppminus < "$xinc" > try.c
-
-case "$direntrytype" in
-''|' ')
- case "$i_dirent" in
- $define) guess1='struct dirent' ;;
- *) guess1='struct direct' ;;
- esac
- ;;
-*) guess1="$direntrytype"
+echo "Figuring out host name..." >&4
+case "$myhostname" in
+'') cont=true
+ echo 'Maybe "hostname" will work...'
+ if tans=`sh -c hostname 2>&1` ; then
+ myhostname=$tans
+ phostname=hostname
+ cont=''
+ fi
;;
+*) cont='';;
esac
-
-case "$guess1" in
-'struct dirent') guess2='struct direct' ;;
-*) guess2='struct dirent' ;;
-esac
-
-if $contains "$guess1" try.c >/dev/null 2>&1; then
- direntrytype="$guess1"
- echo "Your directory entries are $direntrytype." >&4
-elif $contains "$guess2" try.c >/dev/null 2>&1; then
- direntrytype="$guess2"
- echo "Your directory entries seem to be $direntrytype." >&4
-else
- echo "I don't recognize your system's directory entries." >&4
- rp="What type is used for directory entries on this system?"
- dflt="$guess1"
- . ./myread
- direntrytype="$ans"
+if $test "$cont"; then
+ if ./xenix; then
+ echo 'Oh, dear. Maybe "/etc/systemid" is the key...'
+ if tans=`cat /etc/systemid 2>&1` ; then
+ myhostname=$tans
+ phostname='cat /etc/systemid'
+ echo "Whadyaknow. Xenix always was a bit strange..."
+ cont=''
+ fi
+ elif $test -r /etc/systemid; then
+ echo "(What is a non-Xenix system doing with /etc/systemid?)"
+ fi
fi
-$rm -f try.c
-
-
-: see if the directory entry stores field length
-echo " "
-$cppstdin $cppflags $cppminus < "$xinc" > try.c
-if $contains 'd_namlen' try.c >/dev/null 2>&1; then
- echo "Good, your directory entry keeps length information in d_namlen." >&4
- val="$define"
-else
- echo "Your directory entry does not know about the d_namlen field." >&4
- val="$undef"
+if $test "$cont"; then
+ echo 'No, maybe "uuname -l" will work...'
+ if tans=`sh -c 'uuname -l' 2>&1` ; then
+ myhostname=$tans
+ phostname='uuname -l'
+ else
+ echo 'Strange. Maybe "uname -n" will work...'
+ if tans=`sh -c 'uname -n' 2>&1` ; then
+ myhostname=$tans
+ phostname='uname -n'
+ else
+ echo 'Oh well, maybe I can mine it out of whoami.h...'
+ if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then
+ myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'`
+ phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h"
+ else
+ case "$myhostname" in
+ '') echo "Does this machine have an identity crisis or something?"
+ phostname='';;
+ *)
+ echo "Well, you said $myhostname before..."
+ phostname='echo $myhostname';;
+ esac
+ fi
+ fi
+ fi
fi
-set d_dirnamlen
-eval $setvar
-$rm -f try.c
+: you do not want to know about this
+set $myhostname
+myhostname=$1
-: see if dlerror exists
-xxx_runnm="$runnm"
-runnm=false
-set dlerror d_dlerror
-eval $inlibc
-runnm="$xxx_runnm"
+: verify guess
+if $test "$myhostname" ; then
+ dflt=y
+ rp='Your host name appears to be "'$myhostname'".'" Right?"
+ . ./myread
+ case "$ans" in
+ y*) ;;
+ *) myhostname='';;
+ esac
+fi
-: see if dld is available
-set dld.h i_dld
-eval $inhdr
+: bad guess or no guess
+while $test "X$myhostname" = X ; do
+ dflt=''
+ rp="Please type the (one word) name of your host:"
+ . ./myread
+ myhostname="$ans"
+done
-: see if dlopen exists
-xxx_runnm="$runnm"
-runnm=false
-set dlopen d_dlopen
-eval $inlibc
-runnm="$xxx_runnm"
+: translate upper to lower if necessary
+case "$myhostname" in
+*[A-Z]*)
+ echo "(Normalizing case in your host name)"
+ myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'`
+ ;;
+esac
-: determine which dynamic loading, if any, to compile in
+case "$myhostname" in
+*.*)
+ dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"`
+ myhostname=`expr "X$myhostname" : "X\([^.]*\)\."`
+ echo "(Trimming domain name from host name--host name is now $myhostname)"
+ ;;
+*) case "$mydomain" in
+ '')
+ {
+ : If we use NIS, try ypmatch.
+ : Is there some reason why this was not done before?
+ test "X$hostcat" = "Xypcat hosts" &&
+ ypmatch "$myhostname" hosts 2>/dev/null |\
+ $sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \
+ $test -s hosts
+ } || {
+ : Extract only the relevant hosts, reducing file size,
+ : remove comments, insert trailing space for later use.
+ $hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ /
+ /[ ]$myhostname[ . ]/p" > hosts
+ }
+ tmp_re="[ . ]"
+ $test x`$awk "/[0-9].*[ ]$myhostname$tmp_re/ { sum++ }
+ END { print sum }" hosts` = x1 || tmp_re="[ ]"
+ dflt=.`$awk "/[0-9].*[ ]$myhostname$tmp_re/ {for(i=2; i<=NF;i++) print \\\$i}" \
+ hosts | $sort | $uniq | \
+ $sed -n -e "s/$myhostname\.\([-a-zA-Z0-9_.]\)/\1/p"`
+ case `$echo X$dflt` in
+ X*\ *) echo "(Several hosts in /etc/hosts matched hostname)"
+ dflt=.
+ ;;
+ X.) echo "(You do not have fully-qualified names in /etc/hosts)"
+ ;;
+ esac
+ case "$dflt" in
+ .)
+ tans=`./loc resolv.conf X /etc /usr/etc`
+ if $test -f "$tans"; then
+ echo "(Attempting domain name extraction from $tans)"
+ : Why was there an Egrep here, when Sed works?
+ : Look for either a search or a domain directive.
+ dflt=.`$sed -n -e 's/^search[ ]*\(.*\)/\1/p' $tans \
+ | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
+ case "$dflt" in
+ .) dflt=.`$sed -n -e 's/^domain[ ]*\(.*\)/\1/p' $tans \
+ | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
+ ;;
+ esac
+ fi
+ ;;
+ esac
+ case "$dflt" in
+ .) echo "(No help from resolv.conf either -- attempting clever guess)"
+ dflt=.`sh -c domainname 2>/dev/null`
+ case "$dflt" in
+ '') dflt='.';;
+ .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;;
+ esac
+ ;;
+ esac
+ case "$dflt" in
+ .) echo "(Lost all hope -- silly guess then)"
+ dflt='.uucp'
+ ;;
+ esac
+ $rm -f hosts
+ ;;
+ *) dflt="$mydomain";;
+ esac;;
+esac
echo " "
-dldir="ext/DynaLoader"
-case "$usedl" in
-$define|y|true)
- dflt='y'
- usedl="$define"
+rp="What is your domain name?"
+. ./myread
+tans="$ans"
+case "$ans" in
+'') ;;
+.*) ;;
+*) tans=".$tans";;
+esac
+mydomain="$tans"
+
+: translate upper to lower if necessary
+case "$mydomain" in
+*[A-Z]*)
+ echo "(Normalizing case in your domain name)"
+ mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'`
;;
-$undef|n|false)
- dflt='n'
- usedl="$undef"
+esac
+
+: a little sanity check here
+case "$phostname" in
+'') ;;
+*)
+ case `$phostname | ./tr '[A-Z]' '[a-z]'` in
+ $myhostname$mydomain|$myhostname) ;;
+ *)
+ case "$phostname" in
+ sed*)
+ echo "(That doesn't agree with your whoami.h file, by the way.)"
+ ;;
+ *)
+ echo "(That doesn't agree with your $phostname command, by the way.)"
+ ;;
+ esac
;;
-*)
- dflt='n'
- case "$d_dlopen" in
- $define) dflt='y' ;;
- esac
- case "$i_dld" in
- $define) dflt='y' ;;
esac
- : Does a dl_xxx.xs file exist for this operating system
- $test -f ../$dldir/dl_${osname}.xs && dflt='y'
;;
esac
-rp="Do you wish to use dynamic loading?"
-. ./myread
-usedl="$ans"
-case "$ans" in
-y*) usedl="$define"
- case "$dlsrc" in
- '')
- if $test -f ../$dldir/dl_${osname}.xs ; then
- dflt="$dldir/dl_${osname}.xs"
- elif $test "$d_dlopen" = "$define" ; then
- dflt="$dldir/dl_dlopen.xs"
- elif $test "$i_dld" = "$define" ; then
- dflt="$dldir/dl_dld.xs"
- else
- dflt=''
- fi
- ;;
- *) dflt="$dldir/$dlsrc"
- ;;
- esac
- echo "The following dynamic loading files are available:"
- : Can not go over to $dldir because getfile has path hard-coded in.
- cd ..; ls -C $dldir/dl*.xs; cd UU
- rp="Source file to use for dynamic loading"
- fn="fne"
- . ./getfile
- usedl="$define"
- : emulate basename
- dlsrc=`echo $ans | $sed -e 's@.*/\([^/]*\)$@\1@'`
- $cat << EOM
+$cat <<EOM
-Some systems may require passing special flags to $cc -c to
-compile modules that will be used to create a shared library.
-To use no flags, say "none".
+I need to get your e-mail address in Internet format if possible, i.e.
+something like user@host.domain. Please answer accurately since I have
+no easy means to double check it. The default value provided below
+is most probably close to the reality but may not be valid from outside
+your organization...
EOM
- case "$cccdlflags" in
- '') case "$gccversion" in
- '') case "$osname" in
- hpux) dflt='+z' ;;
- next) dflt='none' ;;
- solaris|svr4*|esix*) dflt='-Kpic' ;;
- sunos) dflt='-pic' ;;
- *) dflt='none' ;;
- esac ;;
- *) dflt='-fpic' ;;
- esac ;;
- *) dflt="$cccdlflags" ;;
- esac
- rp="Any special flags to pass to $cc -c to compile shared library modules?"
- . ./myread
- case "$ans" in
- none) cccdlflags=' ' ;;
- *) cccdlflags="$ans" ;;
- esac
+cont=x
+while test "$cont"; do
+ case "$cf_email" in
+ '') dflt="$cf_by@$myhostname$mydomain";;
+ *) dflt="$cf_email";;
+ esac
+ rp='What is your e-mail address?'
+ . ./myread
+ cf_email="$ans"
+ case "$cf_email" in
+ *@*.*) cont='' ;;
+ *)
+ rp='Address does not look like an Internet one. Use it anyway?'
+ case "$fastread" in
+ yes) dflt=y ;;
+ *) dflt=n ;;
+ esac
+ . ./myread
+ case "$ans" in
+ y*) cont='' ;;
+ *) echo " " ;;
+ esac
+ ;;
+ esac
+done
- cat << EOM
+$cat <<EOM
-Some systems use ld to create libraries that can be dynamically loaded,
-while other systems (such as those using ELF) use $cc.
+If you or somebody else will be maintaining perl at your site, please
+fill in the correct e-mail address here so that they may be contacted
+if necessary. Currently, the "perlbug" program included with perl
+will send mail to this address in addition to perlbug@perl.com. You may
+enter "none" for no administrator.
EOM
- case "$ld" in
- '') $cat >try.c <<'EOM'
-/* Test for whether ELF binaries are produced */
-#include <fcntl.h>
-#include <stdlib.h>
-main() {
- char b[4];
- int i = open("a.out",O_RDONLY);
- if(i == -1)
- exit(1); /* fail */
- if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F')
- exit(0); /* succeed (yes, it's ELF) */
- else
- exit(1); /* fail */
-}
+case "$perladmin" in
+'') dflt="$cf_email";;
+*) dflt="$perladmin";;
+esac
+rp='Perl administrator e-mail address'
+. ./myread
+perladmin="$ans"
+
+: determine where public executable scripts go
+set scriptdir scriptdir
+eval $prefixit
+case "$scriptdir" in
+'')
+ 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
+ set dflt
+ eval $prefixup
+ ;;
+*) dflt="$scriptdir"
+ ;;
+esac
+$cat <<EOM
+
+Some installations have a separate directory just for executable scripts so
+that they can mount it across multiple architectures but keep the scripts in
+one spot. You might, for example, have a subdirectory of /usr/share for this.
+Or you might just lump your scripts in with all your other executables.
+
EOM
- if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then
- cat <<EOM
-You appear to have ELF support. I'll use $cc to build dynamic libraries.
+fn=d~
+rp='Where do you keep publicly executable scripts?'
+. ./getfile
+if $test "X$ansexp" != "X$scriptdirexp"; then
+ installscript=''
+fi
+scriptdir="$ans"
+scriptdirexp="$ansexp"
+if $afs; then
+ $cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+scripts reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
EOM
- dflt="$cc"
- else
- echo "I'll use ld to build dynamic libraries."
- dflt='ld'
- fi
- rm -f try.c a.out
- ;;
- *) dflt="$ld"
- ;;
+ case "$installscript" in
+ '') dflt=`echo $scriptdirexp | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installscript";;
esac
+ fn=de~
+ rp='Where will public scripts be installed?'
+ . ./getfile
+ installscript="$ans"
+else
+ installscript="$scriptdirexp"
+fi
- rp="What command should be used to create dynamic libraries?"
- . ./myread
- ld="$ans"
-
- cat << EOM
+: determine perl absolute location
+case "$perlpath" in
+'') perlpath=$binexp/perl ;;
+esac
-Some systems may require passing special flags to $ld to create a
-library that can be dynamically loaded. If your ld flags include
--L/other/path options to locate libraries outside your loader's normal
-search path, you may need to specify those -L options here as well. To
-use no flags, say "none".
+: figure out how to guarantee perl startup
+case "$startperl" in
+'')
+ case "$sharpbang" in
+ *!)
+ $cat <<EOH
-EOM
- case "$lddlflags" in
- '') case "$osname" in
- hpux) dflt='-b' ;;
- linux) dflt='-shared' ;;
- next) dflt='none' ;;
- solaris) dflt='-G' ;;
- sunos) dflt='-assert nodefinitions' ;;
- svr4*|esix*) dflt="-G $ldflags" ;;
- *) dflt='none' ;;
- esac
- ;;
- *) dflt="$lddlflags" ;;
- esac
+I can use the #! construct to start perl on your system. This will
+make startup of perl scripts faster, but may cause problems if you
+want to share those scripts and perl is not in a standard place
+($perlpath) on all your platforms. The alternative is to force
+a shell by starting the script with a single ':' character.
-: Try to guess additional flags to pick up local libraries.
-for thisflag in $ldflags; do
- case "$thisflag" in
- -L*)
- case " $dflt " in
- *" $thisflag "*) ;;
- *) dflt="$dflt $thisflag" ;;
+EOH
+ dflt=$perlpath
+ rp='What shall I put after the #! to start up perl ("none" to not use #!)?'
+ . ./myread
+ case "$ans" in
+ none) startperl=": # use perl";;
+ *) startperl="#!$ans";;
esac
;;
+ *) startperl=": # use perl"
+ ;;
esac
-done
-
-case "$dflt" in
-'') dflt='none' ;;
+ ;;
esac
+echo "I'll use $startperl to start perl scripts."
- rp="Any special flags to pass to $ld to create a dynamically loaded library?"
- . ./myread
- case "$ans" in
- none) lddlflags=' ' ;;
- *) lddlflags="$ans" ;;
- esac
-
- cat <<EOM
+cat <<EOM
-Some systems may require passing special flags to $cc to indicate that
-the resulting executable will use dynamic linking. To use no flags,
-say "none".
+Previous version of $package used the standard IO mechanisms as defined in
+<stdio.h>. Versions 5.003_02 and later of perl allow alternate IO
+mechanisms via a "PerlIO" abstraction, but the stdio mechanism is still
+the default and is the only supported mechanism. This abstraction
+layer can use AT&T's sfio (if you already have sfio installed) or
+fall back on standard IO. This PerlIO abstraction layer is
+experimental and may cause problems with some extension modules.
+If this doesn't make any sense to you, just accept the default 'n'.
EOM
- case "$ccdlflags" in
- '') case "$osname" in
- hpux) dflt='-Wl,-E' ;;
- linux) dflt='-rdynamic' ;;
- next) dflt='none' ;;
- sunos) dflt='none' ;;
- *) dflt='none' ;;
- esac ;;
- *) dflt="$ccdlflags" ;;
- esac
- rp="Any special flags to pass to $cc to use dynamic loading?"
- . ./myread
- case "$ans" in
- none) ccdlflags=' ' ;;
- *) ccdlflags="$ans" ;;
- esac
- ;;
-*) usedl="$undef"
- ld='ld'
- dlsrc='dl_none.xs'
- lddlflags=''
- ccdlflags=''
- ;;
+case "$useperlio" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
esac
-
-val="$undef"
-case "$osname" in
-esix*|svr4*)
- case "$usedl" in
- $define)
- $cat <<EOM
-
-System V Release 4 systems can support dynamic loading
-only if libperl is created as a shared library.
-
-EOM
+rp='Use the experimental PerlIO abstraction layer?'
+. ./myread
+case "$ans" in
+y|Y)
val="$define"
+ ;;
+*)
+ echo "Ok, doing things the stdio way"
+ val="$undef"
;;
- esac ;;
esac
-set d_shrplib; eval $setvar
-case "$d_shrplib" in
-$define)
- cat <<EOM >&4
+set useperlio
+eval $setvar
-Be sure to add the perl source directory to the LD_LIBRARY_PATH
-environment variable before running make:
- LD_LIBRARY_PATH=`cd ..;pwd`; export LD_LIBRARY_PATH
-or
- setenv LD_LIBRARY_PATH `cd ..;pwd`
-
-EOM
-;;
-esac
-case "$d_shrplib" in
-$define)
- case "$shrpdir" in
- "") dflt="$archlib/CORE";;
- *) dflt="$shrpdir";;
- esac
- rp="What directory should we install the shared libperl into?"
- fn="d~"
- . ./getfile
- shrpdir="$ans"
- ;;
-*) shrpdir='none'
- ;;
-esac
+: Check how to convert floats to strings.
+echo " "
+echo "Checking for an efficient way to convert floats to strings."
+$cat >try.c <<'EOP'
+#ifdef TRY_gconvert
+#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
+char *myname = "gconvert";
+#endif
+#ifdef TRY_gcvt
+#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
+char *myname = "gcvt";
+#endif
+#ifdef TRY_sprintf
+#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
+char *myname = "sprintf";
+#endif
-: see if dlfcn is available
-set dlfcn.h i_dlfcn
-eval $inhdr
+#include <stdio.h>
-case "$usedl" in
-$define|y|true)
- $cat << EOM
+int
+checkit(expect, got)
+char *expect;
+char *got;
+{
+ if (strcmp(expect, got)) {
+ printf("%s oddity: Expected %s, got %s\n",
+ myname, expect, got);
+ exit(1);
+ }
+}
-On a few systems, the dynamically loaded modules that perl generates and uses
-will need a different extension then shared libs. The default will probably
-be appropriate.
+int
+main()
+{
+ char buf[64];
+ buf[63] = '\0';
-EOM
- case "$dlext" in
- '') dflt="$so" ;;
- *) dflt="$dlext" ;;
- esac
- rp='What is the extension of dynamically loaded modules'
- . ./myread
- dlext="$ans"
- ;;
-*)
- dlext="none"
- ;;
+ /* This must be 1st test on (which?) platform */
+ /* Alan Burlison <AlanBurlsin@unn.unisys.com> */
+ Gconvert(0.1, 8, 0, buf);
+ checkit("0.1", buf);
+
+ Gconvert(1.0, 8, 0, buf);
+ checkit("1", buf);
+
+ Gconvert(0.0, 8, 0, buf);
+ checkit("0", buf);
+
+ Gconvert(-1.0, 8, 0, buf);
+ checkit("-1", buf);
+
+ /* Some Linux gcvt's give 1.e+5 here. */
+ Gconvert(100000.0, 8, 0, buf);
+ checkit("100000", buf);
+
+ /* Some Linux gcvt's give -1.e+5 here. */
+ Gconvert(-100000.0, 8, 0, buf);
+ checkit("-100000", buf);
+
+ exit(0);
+}
+EOP
+case "$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
-: Check if dlsym need a leading underscore
-echo " "
-val="$undef"
+for xxx_convert in $xxx_list; do
+ echo "Trying $xxx_convert"
+ $rm -f try try.o
+ if $cc $ccflags -DTRY_$xxx_convert $ldflags -o try \
+ try.c $libs > /dev/null 2>&1 ; then
+ echo "$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 "$xxx_convert" in
+gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;;
+gcvt) d_Gconvert='gcvt((x),(n),(b))' ;;
+*) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;;
+esac
-case "$dlsrc" in
-dl_dlopen.xs)
- echo "Checking whether your dlsym() needs a leading underscore ..." >&4
- $cat >dyna.c <<'EOM'
-fred () { }
-EOM
+: Initialize h_fcntl
+h_fcntl=false
-$cat >fred.c<<EOM
+: Initialize h_sysfile
+h_sysfile=false
-#include <stdio.h>
-#$i_dlfcn I_DLFCN
-#ifdef I_DLFCN
-#include <dlfcn.h> /* the dynamic linker include file for Sunos/Solaris */
-#else
+: access call always available on UNIX
+set access d_access
+eval $inlibc
+
+: locate the flags for 'access()'
+case "$d_access" in
+"$define")
+ echo " "
+ $cat >access.c <<'EOCP'
#include <sys/types.h>
-#include <nlist.h>
-#include <link.h>
+#ifdef I_FCNTL
+#include <fcntl.h>
#endif
-
-extern int fred() ;
-
-main()
-{
- void * handle ;
- void * symbol ;
-#ifndef RTLD_LAZY
- int mode = 1 ;
-#else
- int mode = RTLD_LAZY ;
+#ifdef I_SYS_FILE
+#include <sys/file.h>
#endif
- handle = dlopen("./dyna.$dlext", mode) ;
- if (handle == NULL) {
- printf ("1\n") ;
- exit(0);
- }
- symbol = dlsym(handle, "fred") ;
- if (symbol == NULL) {
- /* try putting a leading underscore */
- symbol = dlsym(handle, "_fred") ;
- if (symbol == NULL) {
- printf ("2\n") ;
- exit(0);
- }
- printf ("3\n") ;
- }
- else
- printf ("4\n") ;
- exit(0);
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+main() {
+ exit(R_OK);
}
-EOM
- if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 &&
- $ld $lddlflags -o dyna.$dlext dyna.o > /dev/null 2>&1 &&
- $cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then
- xxx=`./fred`
- case $xxx in
- 1) echo "Test program failed using dlopen." >&4
- echo "Perhaps you should not use dynamic loading." >&4;;
- 2) echo "Test program failed using dlsym." >&4
- echo "Perhaps you should not use dynamic loading." >&4;;
- 3) echo "dlsym needs a leading underscore" >&4
- val="$define" ;;
- 4) echo "dlsym doesn't need a leading underscore." >&4;;
- esac
+EOCP
+ : check sys/file.h first, no particular reason here
+ if $test `./findhdr sys/file.h` && \
+ $cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then
+ h_sysfile=true;
+ echo "<sys/file.h> defines the *_OK access constants." >&4
+ elif $test `./findhdr fcntl.h` && \
+ $cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then
+ h_fcntl=true;
+ echo "<fcntl.h> defines the *_OK access constants." >&4
+ elif $test `./findhdr unistd.h` && \
+ $cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then
+ echo "<unistd.h> defines the *_OK access constants." >&4
else
- echo "I can't compile and run the test program." >&4
+ echo "I can't find the four *_OK access constants--I'll use mine." >&4
fi
;;
esac
-
-$rm -f fred fred.? dyna.$dlext dyna.?
+$rm -f access*
-set d_dlsymun
+: see if alarm exists
+set alarm d_alarm
+eval $inlibc
+
+: Look for GNU-cc style attribute checking
+echo " "
+echo "Checking whether your compiler can handle __attribute__ ..." >&4
+$cat >attrib.c <<'EOCP'
+#include <stdio.h>
+void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
+EOCP
+if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
+ if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ echo "Your C compiler doesn't fully support __attribute__."
+ val="$undef"
+ else
+ echo "Your C compiler supports __attribute__."
+ val="$define"
+ fi
+else
+ echo "Your C compiler doesn't seem to understand __attribute__ at all."
+ val="$undef"
+fi
+set d_attribut
eval $setvar
+$rm -f attrib*
-: see if setuid scripts can be secure
-$cat <<EOM
+: see if bcmp exists
+set bcmp d_bcmp
+eval $inlibc
-Some kernels have a bug that prevents setuid #! scripts from being
-secure. Some sites have disabled setuid #! scripts because of this.
+: see if bcopy exists
+set bcopy d_bcopy
+eval $inlibc
-First let's decide if your kernel supports secure setuid #! scripts.
-(If setuid #! scripts would be secure but have been disabled anyway,
-don't say that they are secure if asked.)
+: see if this is a unistd.h system
+set unistd.h i_unistd
+eval $inhdr
-EOM
+: see if getpgrp exists
+set getpgrp d_getpgrp
+eval $inlibc
-val="$undef"
-if $test -d /dev/fd; then
- echo "#!$ls" >reflect
- chmod +x,u+s reflect
- ./reflect >flect 2>&1
- if $contains "/dev/fd" flect >/dev/null; then
- echo "Congratulations, your kernel has secure setuid scripts!" >&4
+echo "Checking to see which flavor of getpgrp is in use . . . "
+case "$d_getpgrp" in
+"$define")
+ echo " "
+ $cat >set.c <<EOP
+#$i_unistd I_UNISTD
+#include <sys/types.h>
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+main()
+{
+ if (getuid() == 0) {
+ printf("(I see you are running Configure as super-user...)\n");
+ setuid(1);
+ }
+#ifdef TRY_BSD_PGRP
+ if (getpgrp(1) == 0)
+ exit(0);
+#else
+ if (getpgrp() > 0)
+ exit(0);
+#endif
+ exit(1);
+}
+EOP
+ if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo "You have to use getpgrp(pid) instead of getpgrp()." >&4
val="$define"
+ elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo "You have to use getpgrp() instead of getpgrp(pid)." >&4
+ val="$undef"
else
- $cat <<EOM
-If you are not sure if they are secure, I can check but I'll need a
-username and password different from the one you are using right now.
-If you don't have such a username or don't want me to test, simply
-enter 'none'.
-
-EOM
- rp='Other username to test security of setuid scripts with?'
- dflt='none'
- . ./myread
- case "$ans" in
- n|none)
- case "$d_suidsafe" in
- '') echo "I'll assume setuid scripts are *not* secure." >&4
- dflt=n;;
- "$undef")
- echo "Well, the $hint value is *not* secure." >&4
- dflt=n;;
- *) echo "Well, the $hint value *is* secure." >&4
- dflt=y;;
+ echo "I can't seem to compile and run the test program."
+ if ./usg; then
+ xxx="a USG one, i.e. you use getpgrp()."
+ else
+ # SVR4 systems can appear rather BSD-ish.
+ case "$i_unistd" in
+ $undef)
+ xxx="a BSD one, i.e. you use getpgrp(pid)."
+ val="$define"
+ ;;
+ $define)
+ xxx="probably a USG one, i.e. you use getpgrp()."
+ val="$undef"
+ ;;
esac
- ;;
- *)
- $rm -f reflect flect
- echo "#!$ls" >reflect
- chmod +x,u+s reflect
- echo >flect
- chmod a+w flect
- echo '"su" will (probably) prompt you for '"$ans's password."
- su $ans -c './reflect >flect'
- if $contains "/dev/fd" flect >/dev/null; then
- echo "Okay, it looks like setuid scripts are secure." >&4
- dflt=y
- else
- echo "I don't think setuid scripts are secure." >&4
- dflt=n
- fi
- ;;
- esac
- rp='Does your kernel have *secure* setuid scripts?'
- . ./myread
- case "$ans" in
- [yY]*) val="$define";;
- *) val="$undef";;
- esac
+ fi
+ echo "Assuming your getpgrp is $xxx" >&4
fi
-else
- echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
- val="$undef"
-fi
-set d_suidsafe
-eval $setvar
-
-$rm -f reflect flect
-
-: now see if they want to do setuid emulation
-echo " "
-val="$undef"
-case "$d_suidsafe" in
-"$define")
- val="$undef"
- echo "No need to emulate SUID scripts since they are secure here." >& 4
- ;;
-*)
- $cat <<EOM
-Some systems have disabled setuid scripts, especially systems where
-setuid scripts cannot be secure. On systems where setuid scripts have
-been disabled, the setuid/setgid bits on scripts are currently
-useless. It is possible for $package to detect those bits and emulate
-setuid/setgid in a secure fashion. This emulation will only work if
-setuid scripts have been disabled in your kernel.
-
-EOM
- case "$d_dosuid" in
- "$define") dflt=y ;;
- *) dflt=n ;;
- esac
- rp="Do you want to do setuid/setgid emulation?"
- . ./myread
- case "$ans" in
- [yY]*) val="$define";;
- *) val="$undef";;
- esac
;;
+*) val="$undef";;
esac
-set d_dosuid
+set d_bsdgetpgrp
eval $setvar
+$rm -f set set.c
-: see if dup2 exists
-set dup2 d_dup2
+: see if setpgrp exists
+set setpgrp d_setpgrp
eval $inlibc
-: Locate the flags for 'open()'
-echo " "
-$cat >open3.c <<'EOCP'
+echo "Checking to see which flavor of setpgrp is in use . . . "
+case "$d_setpgrp" in
+"$define")
+ echo " "
+ $cat >set.c <<EOP
+#$i_unistd I_UNISTD
#include <sys/types.h>
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
+#ifdef I_UNISTD
+# include <unistd.h>
#endif
-main() {
- if(O_RDONLY);
-#ifdef O_TRUNC
- exit(0);
+main()
+{
+ if (getuid() == 0) {
+ printf("(I see you are running Configure as super-user...)\n");
+ setuid(1);
+ }
+#ifdef TRY_BSD_PGRP
+ if (-1 == setpgrp(1, 1))
+ exit(0);
#else
- exit(1);
+ if (setpgrp() != -1)
+ exit(0);
#endif
+ exit(1);
}
-EOCP
-: check sys/file.h first to get FREAD on Sun
-if $test `./findhdr sys/file.h` && \
- $cc $cppflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then
- h_sysfile=true;
- echo "<sys/file.h> defines the O_* constants..." >&4
- if ./open3; then
- echo "and you have the 3 argument form of open()." >&4
+EOP
+ if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo 'You have to use setpgrp(pid,pgrp) instead of setpgrp().' >&4
val="$define"
- else
- echo "but not the 3 argument form of open(). Oh, well." >&4
+ elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
+ echo 'You have to use setpgrp() instead of setpgrp(pid,pgrp).' >&4
val="$undef"
- fi
-elif $test `./findhdr fcntl.h` && \
- $cc "-DI_FCNTL" open3.c -o open3 >/dev/null 2>&1 ; then
- h_fcntl=true;
- echo "<fcntl.h> defines the O_* constants..." >&4
- if ./open3; then
- echo "and you have the 3 argument form of open()." >&4
- val="$define"
else
- echo "but not the 3 argument form of open(). Oh, well." >&4
- val="$undef"
+ echo "I can't seem to compile and run the test program."
+ if ./usg; then
+ xxx="a USG one, i.e. you use setpgrp()."
+ else
+ # SVR4 systems can appear rather BSD-ish.
+ case "$i_unistd" in
+ $undef)
+ xxx="a BSD one, i.e. you use setpgrp(pid,pgrp)."
+ val="$define"
+ ;;
+ $define)
+ xxx="probably a USG one, i.e. you use setpgrp()."
+ val="$undef"
+ ;;
+ esac
+ fi
+ echo "Assuming your setpgrp is $xxx" >&4
fi
-else
- val="$undef"
- echo "I can't find the O_* constant definitions! You got problems." >&4
-fi
-set d_open3
-eval $setvar
-$rm -f open3*
-
-: check for non-blocking I/O stuff
-case "$h_sysfile" in
-true) echo "#include <sys/file.h>" > head.c;;
-*)
- case "$h_fcntl" in
- true) echo "#include <fcntl.h>" > head.c;;
- *) echo "#include <sys/fcntl.h>" > head.c;;
- esac
;;
+*) val="$undef";;
esac
+set d_bsdsetpgrp
+eval $setvar
+d_bsdpgrp=$d_bsdsetpgrp
+$rm -f set set.c
+: see if bzero exists
+set bzero d_bzero
+eval $inlibc
+
+: check for length of integer
echo " "
-echo "Figuring out the flag used by open() for non-blocking I/O..." >&4
-case "$o_nonblock" in
+case "$intsize" in
'')
- $cat head.c > try.c
- $cat >>try.c <<'EOCP'
-main() {
-#ifdef O_NONBLOCK
- printf("O_NONBLOCK\n");
- exit(0);
-#endif
-#ifdef O_NDELAY
- printf("O_NDELAY\n");
- exit(0);
-#endif
-#ifdef FNDELAY
- printf("FNDELAY\n");
- exit(0);
-#endif
+ echo "Checking to see how big your integers are..." >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+main()
+{
+ printf("%d\n", sizeof(int));
exit(0);
}
EOCP
- if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1; then
- o_nonblock=`./try`
- case "$o_nonblock" in
- '') echo "I can't figure it out, assuming O_NONBLOCK will do.";;
- *) echo "Seems like we can use $o_nonblock.";;
- esac
+ if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
+ intsize=`./try`
+ echo "Your integers are $intsize bytes long."
else
- echo "(I can't compile the test program; pray O_NONBLOCK is right!)"
+ dflt='4'
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of an integer (in bytes)?"
+ . ./myread
+ intsize="$ans"
fi
;;
-*) echo "Using $hint value $o_nonblock.";;
esac
-$rm -f try try.* .out core
+$rm -f try.c try
+: see if signal is declared as pointer to function returning int or void
echo " "
-echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4
-case "$eagain" in
-'')
- $cat head.c > try.c
- $cat >>try.c <<EOCP
-#include <errno.h>
-#include <sys/types.h>
-#include <signal.h>
-#define MY_O_NONBLOCK $o_nonblock
-extern int errno;
-$signal_t blech(x) int x; { exit(3); }
-EOCP
- $cat >> try.c <<'EOCP'
-main()
-{
- int pd[2];
- int pu[2];
- char buf[1];
- char string[100];
-
- pipe(pd); /* Down: child -> parent */
- pipe(pu); /* Up: parent -> child */
- if (0 != fork()) {
- int ret;
- close(pd[1]); /* Parent reads from pd[0] */
- close(pu[0]); /* Parent writes (blocking) to pu[1] */
- if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK))
- exit(1);
- signal(SIGALRM, blech);
- alarm(5);
- if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */
- exit(2);
- sprintf(string, "%d\n", ret);
- write(2, string, strlen(string));
- alarm(0);
-#ifdef EAGAIN
- if (errno == EAGAIN) {
- printf("EAGAIN\n");
+xxx=`./findhdr signal.h`
+$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null
+if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
+ echo "You have int (*signal())() instead of void." >&4
+ val="$undef"
+elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
+ echo "You have void (*signal())() instead of int." >&4
+ val="$define"
+elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then
+ echo "You have int (*signal())() instead of void." >&4
+ val="$undef"
+else
+ case "$d_voidsig" in
+ '')
+ echo "I can't determine whether signal handler returns void or int..." >&4
+ dflt=void
+ rp="What type does your signal handler return?"
+ . ./myread
+ case "$ans" in
+ v*) val="$define";;
+ *) val="$undef";;
+ esac;;
+ "$define")
+ echo "As you already told me, signal handler returns void." >&4;;
+ *)
+ echo "As you already told me, signal handler returns int." >&4;;
+ esac
+fi
+set d_voidsig
+eval $setvar
+case "$d_voidsig" in
+"$define") signal_t="void";;
+*) signal_t="int";;
+esac
+$rm -f $$.tmp
+
+: check for ability to cast large floats to 32-bit ints.
+echo " "
+echo 'Checking whether your C compiler can cast large floats to int32.' >&4
+if $test "$intsize" -eq 4; then
+ xxx=int
+else
+ xxx=long
+fi
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <signal.h>
+$signal_t blech() { exit(3); }
+main()
+{
+ $xxx i32;
+ double f;
+ int result = 0;
+ signal(SIGFPE, blech);
+
+ f = (double) 0x7fffffff;
+ f = 10 * f;
+ i32 = ($xxx) f;
+
+ if (i32 != ($xxx) f)
+ result |= 1;
+ exit(result);
+}
+EOCP
+if $cc -o try $ccflags try.c >/dev/null 2>&1; then
+ ./try
+ yyy=$?
+else
+ echo "(I can't seem to compile the test program--assuming it can't)"
+ yyy=1
+fi
+case "$yyy" in
+0) val="$define"
+ echo "Yup, it can."
+ ;;
+*) val="$undef"
+ echo "Nope, it can't."
+ ;;
+esac
+set d_casti32
+eval $setvar
+$rm -f try try.*
+
+: check for ability to cast negative floats to unsigned
+echo " "
+echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <signal.h>
+$signal_t blech() { exit(7); }
+$signal_t blech_in_list() { exit(4); }
+unsigned long dummy_long(p) unsigned long p; { return p; }
+unsigned int dummy_int(p) unsigned int p; { return p; }
+unsigned short dummy_short(p) unsigned short p; { return p; }
+main()
+{
+ double f = -123.;
+ unsigned long along;
+ unsigned int aint;
+ unsigned short ashort;
+ int result = 0;
+
+ signal(SIGFPE, blech);
+ along = (unsigned long)f;
+ aint = (unsigned int)f;
+ ashort = (unsigned short)f;
+ if (along != (unsigned long)-123)
+ result |= 1;
+ if (aint != (unsigned int)-123)
+ result |= 1;
+ if (ashort != (unsigned short)-123)
+ result |= 1;
+ f = (double)0x40000000;
+ f = f + f;
+ along = 0;
+ along = (unsigned long)f;
+ if (along != 0x80000000)
+ result |= 2;
+ f -= 1.;
+ along = 0;
+ along = (unsigned long)f;
+ if (along != 0x7fffffff)
+ result |= 1;
+ f += 2.;
+ along = 0;
+ along = (unsigned long)f;
+ if (along != 0x80000001)
+ result |= 2;
+ if (result)
+ exit(result);
+ signal(SIGFPE, blech_in_list);
+ f = 123.;
+ along = dummy_long((unsigned long)f);
+ aint = dummy_int((unsigned int)f);
+ ashort = dummy_short((unsigned short)f);
+ if (along != (unsigned long)123)
+ result |= 4;
+ if (aint != (unsigned int)123)
+ result |= 4;
+ if (ashort != (unsigned short)123)
+ result |= 4;
+ exit(result);
+
+}
+EOCP
+if $cc -o try $ccflags try.c >/dev/null 2>&1; then
+ ./try
+ castflags=$?
+else
+ echo "(I can't seem to compile the test program--assuming it can't)"
+ castflags=7
+fi
+case "$castflags" in
+0) val="$define"
+ echo "Yup, it can."
+ ;;
+*) val="$undef"
+ echo "Nope, it can't."
+ ;;
+esac
+set d_castneg
+eval $setvar
+$rm -f try.*
+
+: see if vprintf exists
+echo " "
+if set vprintf val -f d_vprintf; eval $csym; $val; then
+ echo 'vprintf() found.' >&4
+ val="$define"
+ $cat >vprintf.c <<'EOF'
+#include <varargs.h>
+
+main() { xxx("foo"); }
+
+xxx(va_alist)
+va_dcl
+{
+ va_list args;
+ char buf[10];
+
+ va_start(args);
+ exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
+}
+EOF
+ if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then
+ echo "Your vsprintf() returns (int)." >&4
+ val2="$undef"
+ else
+ echo "Your vsprintf() returns (char*)." >&4
+ val2="$define"
+ fi
+else
+ echo 'vprintf() NOT found.' >&4
+ val="$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 $inlibc
+
+: check for const keyword
+echo " "
+echo 'Checking to see if your C compiler knows about "const"...' >&4
+$cat >const.c <<'EOCP'
+typedef struct spug { int drokk; } spug;
+main()
+{
+ const char *foo;
+ const spug y;
+}
+EOCP
+if $cc -c $ccflags const.c >/dev/null 2>&1 ; then
+ val="$define"
+ echo "Yup, it does."
+else
+ val="$undef"
+ echo "Nope, it doesn't."
+fi
+set d_const
+eval $setvar
+
+: see if crypt exists
+echo " "
+if set crypt val -f d_crypt; eval $csym; $val; then
+ echo 'crypt() found.' >&4
+ val="$define"
+ cryptlib=''
+else
+ cryptlib=`./loc Slibcrypt.a "" $xlibpth`
+ if $test -z "$cryptlib"; then
+ cryptlib=`./loc Mlibcrypt.a "" $xlibpth`
+ else
+ cryptlib=-lcrypt
+ fi
+ if $test -z "$cryptlib"; then
+ cryptlib=`./loc Llibcrypt.a "" $xlibpth`
+ else
+ cryptlib=-lcrypt
+ fi
+ if $test -z "$cryptlib"; then
+ cryptlib=`./loc libcrypt.a "" $libpth`
+ else
+ cryptlib=-lcrypt
+ fi
+ if $test -z "$cryptlib"; then
+ echo 'crypt() NOT found.' >&4
+ val="$undef"
+ else
+ val="$define"
+ fi
+fi
+set d_crypt
+eval $setvar
+
+: get csh whereabouts
+case "$csh" in
+'csh') val="$undef" ;;
+*) val="$define" ;;
+esac
+set d_csh
+eval $setvar
+full_csh=$csh
+
+: see if cuserid exists
+set cuserid d_cuserid
+eval $inlibc
+
+: see if this is a limits.h system
+set limits.h i_limits
+eval $inhdr
+
+: see if this is a float.h system
+set float.h i_float
+eval $inhdr
+
+: See if number of significant digits in a double precision number is known
+echo " "
+$cat >dbl_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 DBL_DIG
+printf("Contains DBL_DIG");
+#endif
+EOM
+$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null
+if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then
+ echo "DBL_DIG found." >&4
+ val="$define"
+else
+ echo "DBL_DIG NOT found." >&4
+ val="$undef"
+fi
+$rm -f dbl_dig.?
+set d_dbl_dig
+eval $setvar
+
+: see if difftime exists
+set difftime d_difftime
+eval $inlibc
+
+: see if this is a dirent system
+echo " "
+if xinc=`./findhdr dirent.h`; $test "$xinc"; then
+ val="$define"
+ echo "<dirent.h> found." >&4
+else
+ val="$undef"
+ if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then
+ echo "<sys/dir.h> found." >&4
+ echo " "
+ else
+ xinc=`./findhdr sys/ndir.h`
+ fi
+ echo "<dirent.h> NOT found." >&4
+fi
+set i_dirent
+eval $setvar
+
+: Look for type of directory structure.
+echo " "
+$cppstdin $cppflags $cppminus < "$xinc" > try.c
+
+case "$direntrytype" in
+''|' ')
+ case "$i_dirent" in
+ $define) guess1='struct dirent' ;;
+ *) guess1='struct direct' ;;
+ esac
+ ;;
+*) guess1="$direntrytype"
+ ;;
+esac
+
+case "$guess1" in
+'struct dirent') guess2='struct direct' ;;
+*) guess2='struct dirent' ;;
+esac
+
+if $contains "$guess1" try.c >/dev/null 2>&1; then
+ direntrytype="$guess1"
+ echo "Your directory entries are $direntrytype." >&4
+elif $contains "$guess2" try.c >/dev/null 2>&1; then
+ direntrytype="$guess2"
+ echo "Your directory entries seem to be $direntrytype." >&4
+else
+ echo "I don't recognize your system's directory entries." >&4
+ rp="What type is used for directory entries on this system?"
+ dflt="$guess1"
+ . ./myread
+ direntrytype="$ans"
+fi
+$rm -f try.c
+
+
+: see if the directory entry stores field length
+echo " "
+$cppstdin $cppflags $cppminus < "$xinc" > try.c
+if $contains 'd_namlen' try.c >/dev/null 2>&1; then
+ echo "Good, your directory entry keeps length information in d_namlen." >&4
+ val="$define"
+else
+ echo "Your directory entry does not know about the d_namlen field." >&4
+ val="$undef"
+fi
+set d_dirnamlen
+eval $setvar
+$rm -f try.c
+
+: see if dlerror exists
+xxx_runnm="$runnm"
+runnm=false
+set dlerror d_dlerror
+eval $inlibc
+runnm="$xxx_runnm"
+
+: see if dlfcn is available
+set dlfcn.h i_dlfcn
+eval $inhdr
+
+case "$usedl" in
+$define|y|true)
+ $cat << EOM
+
+On a few systems, the dynamically loaded modules that perl generates and uses
+will need a different extension then shared libs. The default will probably
+be appropriate.
+
+EOM
+ case "$dlext" in
+ '') dflt="$so" ;;
+ *) dflt="$dlext" ;;
+ esac
+ rp='What is the extension of dynamically loaded modules'
+ . ./myread
+ dlext="$ans"
+ ;;
+*)
+ dlext="none"
+ ;;
+esac
+
+: Check if dlsym need a leading underscore
+echo " "
+val="$undef"
+
+case "$dlsrc" in
+dl_dlopen.xs)
+ echo "Checking whether your dlsym() needs a leading underscore ..." >&4
+ $cat >dyna.c <<'EOM'
+fred () { }
+EOM
+
+$cat >fred.c<<EOM
+
+#include <stdio.h>
+#$i_dlfcn I_DLFCN
+#ifdef I_DLFCN
+#include <dlfcn.h> /* the dynamic linker include file for Sunos/Solaris */
+#else
+#include <sys/types.h>
+#include <nlist.h>
+#include <link.h>
+#endif
+
+extern int fred() ;
+
+main()
+{
+ void * handle ;
+ void * symbol ;
+#ifndef RTLD_LAZY
+ int mode = 1 ;
+#else
+ int mode = RTLD_LAZY ;
+#endif
+ handle = dlopen("./dyna.$dlext", mode) ;
+ if (handle == NULL) {
+ printf ("1\n") ;
+ exit(0);
+ }
+ symbol = dlsym(handle, "fred") ;
+ if (symbol == NULL) {
+ /* try putting a leading underscore */
+ symbol = dlsym(handle, "_fred") ;
+ if (symbol == NULL) {
+ printf ("2\n") ;
+ exit(0);
+ }
+ printf ("3\n") ;
+ }
+ else
+ printf ("4\n") ;
+ exit(0);
+}
+EOM
+ : Call the object file tmp-dyna.o in case dlext=o.
+ if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 &&
+ mv dyna${obj_ext} tmp-dyna${obj_ext} > /dev/null 2>&1 &&
+ $ld $lddlflags -o dyna.$dlext tmp-dyna${obj_ext} > /dev/null 2>&1 &&
+ $cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then
+ xxx=`./fred`
+ case $xxx in
+ 1) echo "Test program failed using dlopen." >&4
+ echo "Perhaps you should not use dynamic loading." >&4;;
+ 2) echo "Test program failed using dlsym." >&4
+ echo "Perhaps you should not use dynamic loading." >&4;;
+ 3) echo "dlsym needs a leading underscore" >&4
+ val="$define" ;;
+ 4) echo "dlsym doesn't need a leading underscore." >&4;;
+ esac
+ else
+ echo "I can't compile and run the test program." >&4
+ fi
+ ;;
+esac
+
+$rm -f fred fred.? dyna.$dlext dyna.? tmp-dyna.?
+
+set d_dlsymun
+eval $setvar
+
+: see if dup2 exists
+set dup2 d_dup2
+eval $inlibc
+
+: Locate the flags for 'open()'
+echo " "
+$cat >open3.c <<'EOCP'
+#include <sys/types.h>
+#ifdef I_FCNTL
+#include <fcntl.h>
+#endif
+#ifdef I_SYS_FILE
+#include <sys/file.h>
+#endif
+main() {
+ if(O_RDONLY);
+#ifdef O_TRUNC
+ exit(0);
+#else
+ exit(1);
+#endif
+}
+EOCP
+: check sys/file.h first to get FREAD on Sun
+if $test `./findhdr sys/file.h` && \
+ $cc $cppflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then
+ h_sysfile=true;
+ echo "<sys/file.h> defines the O_* constants..." >&4
+ if ./open3; then
+ echo "and you have the 3 argument form of open()." >&4
+ val="$define"
+ else
+ echo "but not the 3 argument form of open(). Oh, well." >&4
+ val="$undef"
+ fi
+elif $test `./findhdr fcntl.h` && \
+ $cc "-DI_FCNTL" open3.c -o open3 >/dev/null 2>&1 ; then
+ h_fcntl=true;
+ echo "<fcntl.h> defines the O_* constants..." >&4
+ if ./open3; then
+ echo "and you have the 3 argument form of open()." >&4
+ val="$define"
+ else
+ echo "but not the 3 argument form of open(). Oh, well." >&4
+ val="$undef"
+ fi
+else
+ val="$undef"
+ echo "I can't find the O_* constant definitions! You got problems." >&4
+fi
+set d_open3
+eval $setvar
+$rm -f open3*
+
+: check for non-blocking I/O stuff
+case "$h_sysfile" in
+true) echo "#include <sys/file.h>" > head.c;;
+*)
+ case "$h_fcntl" in
+ true) echo "#include <fcntl.h>" > head.c;;
+ *) echo "#include <sys/fcntl.h>" > head.c;;
+ esac
+ ;;
+esac
+echo " "
+echo "Figuring out the flag used by open() for non-blocking I/O..." >&4
+case "$o_nonblock" in
+'')
+ $cat head.c > try.c
+ $cat >>try.c <<'EOCP'
+main() {
+#ifdef O_NONBLOCK
+ printf("O_NONBLOCK\n");
+ exit(0);
+#endif
+#ifdef O_NDELAY
+ printf("O_NDELAY\n");
+ exit(0);
+#endif
+#ifdef FNDELAY
+ printf("FNDELAY\n");
+ exit(0);
+#endif
+ exit(0);
+}
+EOCP
+ if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1; then
+ o_nonblock=`./try`
+ case "$o_nonblock" in
+ '') echo "I can't figure it out, assuming O_NONBLOCK will do.";;
+ *) echo "Seems like we can use $o_nonblock.";;
+ esac
+ else
+ echo "(I can't compile the test program; pray O_NONBLOCK is right!)"
+ fi
+ ;;
+*) echo "Using $hint value $o_nonblock.";;
+esac
+$rm -f try try.* .out core
+
+echo " "
+echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4
+case "$eagain" in
+'')
+ $cat head.c > try.c
+ $cat >>try.c <<EOCP
+#include <errno.h>
+#include <sys/types.h>
+#include <signal.h>
+#define MY_O_NONBLOCK $o_nonblock
+extern int errno;
+$signal_t blech(x) int x; { exit(3); }
+EOCP
+ $cat >> try.c <<'EOCP'
+main()
+{
+ int pd[2];
+ int pu[2];
+ char buf[1];
+ char string[100];
+
+ pipe(pd); /* Down: child -> parent */
+ pipe(pu); /* Up: parent -> child */
+ if (0 != fork()) {
+ int ret;
+ close(pd[1]); /* Parent reads from pd[0] */
+ close(pu[0]); /* Parent writes (blocking) to pu[1] */
+ if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK))
+ exit(1);
+ signal(SIGALRM, blech);
+ alarm(5);
+ if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */
+ exit(2);
+ sprintf(string, "%d\n", ret);
+ write(2, string, strlen(string));
+ alarm(0);
+#ifdef EAGAIN
+ if (errno == EAGAIN) {
+ printf("EAGAIN\n");
goto ok;
}
#endif
}
EOCP
if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1; then
- echo "./try >try.out 2>try.ret 3>try.err || exit 4" >mtry
+ echo "$startsh" >mtry
+ echo "./try >try.out 2>try.ret 3>try.err || exit 4" >>mtry
chmod +x mtry
./mtry >/dev/null 2>&1
case $? in
set getlogin d_getlogin
eval $inlibc
-: see if getpgrp exists
-set getpgrp d_getpgrp
+: see if getpgid exists
+set getpgid d_getpgid
eval $inlibc
: see if getpgrp2 exists
set rmdir d_rmdir
eval $inlibc
+: see if memory.h is available.
+val=''
+set memory.h val
+eval $inhdr
+
+: See if it conflicts with string.h
+case "$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 >foo.c <<'EOCP'
+ $cat >foo.c <<EOCP
+#$i_memory I_MEMORY
+#$i_stdlib I_STDLIB
+#$i_string I_STRING
+#$i_unistd I_UNISTD
+EOCP
+ $cat >>foo.c <<'EOCP'
+#include <stdio.h>
+
+#ifdef I_MEMORY
+# include <memory.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#ifdef I_STRING
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+#ifdef I_UNISTD
+# include <unistd.h> /* Needed for NetBSD */
+#endif
main()
{
char buf[128], abc[128];
int off;
int align;
+/* Copy "abcde..." string to char abc[] so that gcc doesn't
+ try to store the string in read-only memory. */
bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
for (align = 7; align >= 0; align--) {
val="$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
"$define")
echo " "
echo "Checking to see if your memcpy() can do overlapping copies..." >&4
- $cat >foo.c <<'EOCP'
+ $cat >foo.c <<EOCP
+#$i_memory I_MEMORY
+#$i_stdlib I_STDLIB
+#$i_string I_STRING
+#$i_unistd I_UNISTD
+EOCP
+ $cat >>foo.c <<'EOCP'
+#include <stdio.h>
+
+#ifdef I_MEMORY
+# include <memory.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#ifdef I_STRING
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+#ifdef I_UNISTD
+# include <unistd.h> /* Needed for NetBSD */
+#endif
main()
{
char buf[128], abc[128];
int off;
int align;
+/* Copy "abcde..." string to char abc[] so that gcc doesn't
+ try to store the string in read-only memory. */
memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);
for (align = 7; align >= 0; align--) {
val="$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
set setsid d_setsid
eval $inlibc
+: see if sfio.h is available
+set sfio.h i_sfio
+eval $inhdr
+
+
+: see if sfio library is available
+case "$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 "$usesfio" in
+ true|$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="$undef"
+ ;;
+ esac
+ ;;
+*) case "$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
+
: see if shmctl exists
set shmctl d_shmctl
eval $inlibc
set d_shm
eval $setvar
+echo " "
+: see if we have sigaction
+if set sigaction val -f d_sigaction; eval $csym; $val; then
+ echo 'sigaction() found.' >&4
+ val="$define"
+else
+ echo 'sigaction NOT found.' >&4
+ val="$undef"
+fi
+
+$cat > set.c <<'EOP'
+/* Solaris 2.5_x86 with SunWorks Pro C 3.0.1 doesn't have a complete
+ sigaction structure if compiled with cc -Xc. This compile test
+ will fail then. <doughera@lafcol.lafayette.edu>
+*/
+#include <stdio.h>
+#include <sys/types.h>
+#include <signal.h>
+main()
+{
+ struct sigaction act, oact;
+}
+EOP
+
+if $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1; then
+ :
+else
+ echo "But you don't seem to have a useable struct sigaction." >&4
+ val="$undef"
+fi
+set d_sigaction; eval $setvar
+$rm -f set set.o set.c
+
+: see if sigsetjmp exists
+echo " "
+case "$d_sigsetjmp" in
+'')
+ $cat >set.c <<'EOP'
+#include <setjmp.h>
+sigjmp_buf env;
+int set = 1;
+main()
+{
+ if (sigsetjmp(env,1))
+ exit(set);
+ set = 0;
+ siglongjmp(env, 1);
+ exit(1);
+}
+EOP
+ if $cc $ccflags $ldflags -o set set.c $libs > /dev/null 2>&1 ; then
+ if ./set >/dev/null 2>&1; then
+ echo "POSIX sigsetjmp found." >&4
+ val="$define"
+ 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"
+ fi
+ else
+ 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
+set d_sigsetjmp
+eval $setvar
+$rm -f set.c set
+
socketlib=''
sockethdr=''
: see whether socket exists
#include <stdio.h>
#define FILE_ptr(fp) $stdio_ptr
#define FILE_cnt(fp) $stdio_cnt
-main() {
+main() {
FILE *fp = fopen("try.c", "r");
char c = getc(fp);
if (
set d_stdio_cnt_lval
eval $setvar
-: see if _base is also standard
-val="$undef"
-case "$d_stdstdio" in
-$define)
- $cat >try.c <<EOP
+: How to access the stdio _filbuf or __filbuf function.
+: If this fails, check how the getc macro in stdio.h works.
+case "${d_stdio_ptr_lval}${d_stdio_cnt_lval}" in
+${define}${define})
+ : Try $hint value, if any, then _filbuf, __filbuf, _fill, then punt.
+ : _fill is for os/2.
+ xxx='notok'
+ for filbuf in $stdio_filbuf '_filbuf(fp)' '__filbuf(fp) ' '_fill(fp)' ; do
+ $cat >try.c <<EOP
#include <stdio.h>
-#define FILE_base(fp) $stdio_base
-#define FILE_bufsiz(fp) $stdio_bufsiz
-main() {
+#define FILE_ptr(fp) $stdio_ptr
+#define FILE_cnt(fp) $stdio_cnt
+#define FILE_filbuf(fp) $filbuf
+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);
+ int c;
+ c = getc(fp);
+ c = FILE_filbuf(fp); /* Just looking for linker errors.*/
+ exit(0);
}
EOP
- if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then
- if ./try; then
- echo "Even its _base field acts std."
- val="$define"
+ if $cc $ccflags $ldflags -o try try.c $libs >/dev/null 2>&1 && ./try; then
+ echo "Your stdio appears to use $filbuf"
+ stdio_filbuf="$filbuf"
+ xxx='ok'
+ break
else
- echo "But its _base field isn't std."
+ echo "Hmm. $filbuf doesn't seem to work."
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 if strcoll exists
-set strcoll d_strcoll
-eval $inlibc
-
-: check for structure copying
-echo " "
-echo "Checking to see if your C compiler can copy structs..." >&4
-$cat >try.c <<'EOCP'
-main()
-{
- struct blurfl {
- int dyick;
- } foo, bar;
-
- foo = bar;
-}
-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 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
-
-: 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
-
-: 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;
- $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 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
- set clock_t clocktype long stdio.h sys/types.h $inc
- eval $typedef
- dflt="$clocktype"
- echo " "
- rp="What type is returned by times() on this system?"
- . ./myread
- clocktype="$ans"
-else
- echo 'times() NOT found, hope that will do.' >&4
- d_times="$undef"
- clocktype='int'
-fi
-
-: see if truncate exists
-set truncate d_truncate
-eval $inlibc
-
-: see if 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 umask exists
-set umask d_umask
-eval $inlibc
-
-: see if we have to deal with yellow pages, now NIS.
-if $test -d /usr/etc/yp || $test -d /etc/yp; then
- if $test -f /usr/etc/nibindd; then
- echo " "
- echo "I'm fairly confident you're on a NeXT."
- echo " "
- rp='Do you get the hosts file via NetInfo?'
- dflt=y
- case "$hostcat" in
- nidump*) ;;
- '') ;;
- *) dflt=n;;
- esac
- . ./myread
- case "$ans" in
- y*) hostcat='nidump hosts .';;
- *) case "$hostcat" in
- nidump*) hostcat='';;
- esac
- ;;
- esac
- fi
- case "$hostcat" in
- nidump*) ;;
- *)
- case "$hostcat" in
- *ypcat*) dflt=y;;
- '') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then
- dflt=y
- else
- dflt=n
- fi;;
- *) dflt=n;;
- esac
- echo " "
- rp='Are you getting the hosts file via yellow pages?'
- . ./myread
- case "$ans" in
- y*) hostcat='ypcat hosts';;
- *) hostcat='cat /etc/hosts';;
- esac
- ;;
- esac
-fi
-
-: now get the host name
-echo " "
-echo "Figuring out host name..." >&4
-case "$myhostname" in
-'') cont=true
- echo 'Maybe "hostname" will work...'
- if tans=`sh -c hostname 2>&1` ; then
- myhostname=$tans
- phostname=hostname
- cont=''
- fi
+ $rm -f try.c try
+ done
+ case "$xxx" in
+ notok) echo "I can't figure out how to access _filbuf"
+ echo "I'll just have to work around it."
+ d_stdio_ptr_lval="$undef"
+ d_stdio_cnt_lval="$undef"
+ ;;
+ esac
;;
-*) cont='';;
esac
-if $test "$cont"; then
- if ./xenix; then
- echo 'Oh, dear. Maybe "/etc/systemid" is the key...'
- if tans=`cat /etc/systemid 2>&1` ; then
- myhostname=$tans
- phostname='cat /etc/systemid'
- echo "Whadyaknow. Xenix always was a bit strange..."
- cont=''
+
+
+: see if _base is also standard
+val="$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
+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);
+}
+EOP
+ if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then
+ if ./try; then
+ echo "And its _base field acts std."
+ val="$define"
+ else
+ echo "But its _base field isn't std."
fi
- elif $test -r /etc/systemid; then
- echo "(What is a non-Xenix system doing with /etc/systemid?)"
+ else
+ echo "However, it seems to be lacking the _base field."
fi
+ $rm -f try.c try
+ ;;
+esac
+set d_stdiobase
+eval $setvar
+
+: see if strcoll exists
+set strcoll d_strcoll
+eval $inlibc
+
+: check for structure copying
+echo " "
+echo "Checking to see if your C compiler can copy structs..." >&4
+$cat >try.c <<'EOCP'
+main()
+{
+ struct blurfl {
+ int dyick;
+ } foo, bar;
+
+ foo = bar;
+}
+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
-if $test "$cont"; then
- echo 'No, maybe "uuname -l" will work...'
- if tans=`sh -c 'uuname -l' 2>&1` ; then
- myhostname=$tans
- phostname='uuname -l'
+set d_strctcpy
+eval $setvar
+$rm -f try.*
+
+: see if strerror and/or sys_errlist[] exist
+echo " "
+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 'Strange. Maybe "uname -n" will work...'
- if tans=`sh -c 'uname -n' 2>&1` ; then
- myhostname=$tans
- phostname='uname -n'
- else
- echo 'Oh well, maybe I can mine it out of whoami.h...'
- if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then
- myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'`
- phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h"
- else
- case "$myhostname" in
- '') echo "Does this machine have an identity crisis or something?"
- phostname='';;
- *)
- echo "Well, you said $myhostname before..."
- phostname='echo $myhostname';;
- esac
- fi
- fi
+ echo "(Since you don't have sys_errlist[], sterror() is welcome.)"
+ d_syserrlst="$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
-: you do not want to know about this
-set $myhostname
-myhostname=$1
-: verify guess
-if $test "$myhostname" ; then
- dflt=y
- rp='Your host name appears to be "'$myhostname'".'" Right?"
- . ./myread
- case "$ans" in
- y*) ;;
- *) myhostname='';;
- esac
-fi
+: see if strxfrm exists
+set strxfrm d_strxfrm
+eval $inlibc
-: bad guess or no guess
-while $test "X$myhostname" = X ; do
- dflt=''
- rp="Please type the (one word) name of your host:"
- . ./myread
- myhostname="$ans"
-done
+: see if symlink exists
+set symlink d_symlink
+eval $inlibc
-: translate upper to lower if necessary
-case "$myhostname" in
-*[A-Z]*)
- echo "(Normalizing case in your host name)"
- myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'`
- ;;
-esac
+: see if syscall exists
+set syscall d_syscall
+eval $inlibc
-case "$myhostname" in
-*.*)
- dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"`
- myhostname=`expr "X$myhostname" : "X\([^.]*\)\."`
- echo "(Trimming domain name from host name--host name is now $myhostname)"
- ;;
-*) case "$mydomain" in
- '')
- {
- : If we use NIS, try ypmatch.
- : Is there some reason why this was not done before?
- test "X$hostcat" = "Xypcat hosts" &&
- ypmatch "$myhostname" hosts 2>/dev/null |\
- $sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \
- $test -s hosts
- } || {
- : Extract only the relevant hosts, reducing file size,
- : remove comments, insert trailing space for later use.
- $hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ /
- /[ ]$myhostname[ . ]/p" > hosts
- }
- tmp_re="[ . ]"
- $test x`$awk "/[0-9].*[ ]$myhostname$tmp_re/ { sum++ }
- END { print sum }" hosts` = x1 || tmp_re="[ ]"
- dflt=.`$awk "/[0-9].*[ ]$myhostname$tmp_re/ {for(i=2; i<=NF;i++) print \\\$i}" \
- hosts | $sort | $uniq | \
- $sed -n -e "s/$myhostname\.\([-a-zA-Z0-9_.]\)/\1/p"`
- case `$echo X$dflt` in
- X*\ *) echo "(Several hosts in /etc/hosts matched hostname)"
- dflt=.
- ;;
- .) echo "(You do not have fully-qualified names in /etc/hosts)"
- ;;
- esac
- case "$dflt" in
- .)
- tans=`./loc resolv.conf X /etc /usr/etc`
- if $test -f "$tans"; then
- echo "(Attempting domain name extraction from $tans)"
- : Why was there an Egrep here, when Sed works?
- dflt=.`$sed -n -e 's/^domain[ ]*\(.*\)/\1/p' $tans \
- | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
- fi
- ;;
- esac
- case "$dflt" in
- .) echo "(No help from resolv.conf either -- attempting clever guess)"
- dflt=.`sh -c domainname 2>/dev/null`
- case "$dflt" in
- '') dflt='.';;
- .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;;
- esac
- ;;
- esac
- case "$dflt" in
- .) echo "(Lost all hope -- silly guess then)"
- dflt='.uucp'
- ;;
- esac
- $rm -f hosts
- ;;
- *) dflt="$mydomain";;
- esac;;
-esac
-echo " "
-rp="What is your domain name?"
-. ./myread
-tans="$ans"
-case "$ans" in
-'') ;;
-.*) ;;
-*) tans=".$tans";;
-esac
-mydomain="$tans"
+: 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
+
+: 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;
+ $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'
-: translate upper to lower if necessary
-case "$mydomain" in
-*[A-Z]*)
- echo "(Normalizing case in your domain name)"
- mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'`
- ;;
-esac
+: see if this is a sys/times.h system
+set sys/times.h i_systimes
+eval $inhdr
-: a little sanity check here
-case "$phostname" in
-'') ;;
-*)
- case `$phostname | ./tr '[A-Z]' '[a-z]'` in
- $myhostname$mydomain|$myhostname) ;;
- *)
- case "$phostname" in
- sed*)
- echo "(That doesn't agree with your whoami.h file, by the way.)"
- ;;
- *)
- echo "(That doesn't agree with your $phostname command, by the way.)"
- ;;
- esac
- ;;
+: 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
- ;;
-esac
+ set clock_t clocktype long stdio.h sys/types.h $inc
+ eval $typedef
+ dflt="$clocktype"
+ echo " "
+ rp="What type is returned by times() on this system?"
+ . ./myread
+ clocktype="$ans"
+else
+ echo 'times() NOT found, hope that will do.' >&4
+ d_times="$undef"
+ clocktype='int'
+fi
+
+: see if truncate exists
+set truncate d_truncate
+eval $inlibc
+
+: see if 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 umask exists
+set umask d_umask
+eval $inlibc
: see how we will look up host name
echo " "
alignbytes="$ans"
$rm -f try.c try
-case "$ar" in
-'') ar='ar';;
-esac
-case "$lib_ext" in
-'') lib_ext='.a';;
-esac
-case "$obj_ext" in
-'') obj_ext='.o';;
-esac
-case "$path_sep" in
-'') path_sep=':';;
-esac
-: Which makefile gets called first. This is used by make depend.
-case "$firstmakefile" in
-'') firstmakefile='makefile';;
-esac
-
: check for ordering of bytes in a long
case "$byteorder" in
'')
'')
$cat >try.c <<'EOCP'
#if TRY & 1
-void main() {
+void sub() {
#else
-main() {
+sub() {
#endif
extern void moo(); /* function returning void */
void (*goo)(); /* ptr to func returning void */
#endif
exit(0);
}
+main() { sub(); }
EOCP
- if $cc -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
+ if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
voidflags=$defvoidused
echo "It appears to support void to the level $package wants ($defvoidused)."
if $contains warning .out >/dev/null 2>&1; then
fi
else
echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
- if $cc -c -DTRY=1 try.c >/dev/null 2>&1 ; then
+ if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
echo "It supports 1..."
- if $cc -c -DTRY=3 try.c >/dev/null 2>&1 ; then
+ if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
echo "It also supports 2..."
- if $cc -c -DTRY=7 try.c >/dev/null 2>&1 ; then
+ 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 -c -DTRY=11 try.c >/dev/null 2>&1 ; then
+ if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then
voidflags=11
echo "But it supports 8."
else
fi
else
echo "It does not support 2..."
- if $cc -c -DTRY=13 try.c >/dev/null 2>&1 ; then
+ 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 -c -DTRY=5 try.c >/dev/null 2>&1 ; then
+ if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
voidflags=5
echo "And it supports 4 but has not heard about 8."
else
fi
fi
esac
-: Only prompt user if voidflags is not 15. If voidflags is 15, then
-: we presume all is well.
+: Only prompt user if support does not match the level we want
case "$voidflags" in
-15) ;;
-*) dflt="$voidflags";
+"$defvoidused") ;;
+*)
+ dflt="$voidflags";
rp="Your void support flags add up to what?"
. ./myread
voidflags="$ans"
. ./myread
lseektype="$ans"
+echo " "
+case "$make" in
+'')
+ make=`./loc make make $pth`
+ case "$make" in
+ /*) echo make is in $make. ;;
+ ?:[\\/]*) echo make is in $make. ;;
+ *) echo "I don't know where 'make' is, and my life depends on it." >&4
+ echo "Go find a make program or fix your PATH setting!" >&4
+ exit 1
+ ;;
+ esac
+ ;;
+*) echo make is in $make. ;;
+esac
+
+$echo $n "Checking if your $make program sets \$(MAKE)... $c" >&4
+case "$make_set_make" in
+'')
+ $sed 's/^X //' > testmake.mak << 'EOF'
+Xall:
+X @echo 'ac_maketemp="$(MAKE)"'
+EOF
+ : GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+ case "`$make -f testmake.mak 2>/dev/null`" in
+ *ac_maketemp=*) make_set_make='#' ;;
+ *) make_set_make="MAKE=$make" ;;
+ esac
+ $rm -f testmake.mak
+ ;;
+esac
+case "$make_set_make" in
+'#') echo "Yup, it does." >&4 ;;
+*) echo "Nope, it doesn't." >&4 ;;
+esac
+
: see what type is used for mode_t
set mode_t modetype int stdio.h sys/types.h
eval $typedef
. ./myread
modetype="$ans"
+: locate the preferred pager for this system
+case "$pager" in
+'')
+ dflt=''
+ case "$pg" in
+ /*) dflt=$pg;;
+ esac
+ case "$more" in
+ /*) dflt=$more;;
+ esac
+ case "$less" in
+ /*) dflt=$less;;
+ esac
+ case "$dflt" in
+ '') dflt=/usr/ucb/more;;
+ esac
+ ;;
+*) dflt="$pager";;
+esac
+echo " "
+fn=f/
+rp='What pager is used on your system?'
+. ./getfile
+pager="$ans"
+
: Cruising for prototypes
echo " "
echo "Checking out function prototypes..." >&4
case "$randbits" in
'')
echo "Checking to see how many bits your rand function produces..." >&4
- $cat >try.c <<'EOCP'
+ $cat >try.c <<EOCP
+#$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
+EOCP
+ $cat >>try.c <<'EOCP'
main()
{
register int i;
}
EOCP
flags=''
-s_timezone=''
+for s_timezone in '-DS_TIMEZONE' ''; do
sysselect=''
for s_timeval in '-DS_TIMEVAL' ''; do
for i_systimek in '' '-DSYSTIMEKERNEL'; do
done
done
done
+done
timeincl=''
echo " "
case "$flags" in
#endif
#ifdef I_SYS_TIME
#include <sys/time.h>
-#else
+#endif
#ifdef I_SYS_SELECT
#include <sys/select.h>
#endif
-#endif
main() {
fd_set fds;
#endif
#ifdef I_SYS_TIME
#include <sys/time.h>
-#else
+#endif
#ifdef I_SYS_SELECT
#include <sys/select.h>
#endif
-#endif
main()
{
int width;
#include <sys/types.h>
#include <signal.h>
int main() {
-#ifdef NSIG
-printf("NSIG %d\n", NSIG);
-#else
-#ifdef _NSIG
-printf("NSIG %d\n", _NSIG);
+
+/* Strange style to avoid deeply-nested #if/#else/#endif */
+#ifndef NSIG
+# ifdef _NSIG
+# define NSIG (_NSIG)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef SIGMAX
+# define NSIG (SIGMAX+1)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef SIG_MAX
+# define NSIG (SIG_MAX+1)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef MAXSIG
+# define NSIG (MAXSIG+1)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef MAX_SIG
+# define NSIG (MAX_SIG+1)
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef SIGARRAYSIZE
+# define NSIG (SIGARRAYSIZE+1) /* Not sure of the +1 */
+# endif
+#endif
+
+#ifndef NSIG
+# ifdef _sys_nsig
+# define NSIG (_sys_nsig) /* Solaris 2.5 */
+# endif
#endif
+
+/* Default to some arbitrary number that's big enough to get most
+ of the common signals.
+*/
+#ifndef NSIG
+# define NSIG 50
#endif
+
+printf("NSIG %d\n", NSIG);
+
EOP
echo $xxx | $tr ' ' '\012' | $sort | $uniq | $awk '
{
printf("int\n");
else
printf("long\n");
+ exit(0);
}
EOM
echo " "
-if $cc $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1 ; then
+if $cc $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1 &&
+ ./ssize > /dev/null 2>&1 ; then
ssizetype=`./ssize`
echo "I'll be using $ssizetype for functions returning a byte count." >&4
else
- echo "(I can't compile the test program--please enlighten me!)"
+ echo "(I can't compile and run the test program--please enlighten me!)"
$cat <<EOM
I need a type that is the same size as $sizetype, but is guaranteed to
set math.h i_math
eval $inhdr
-: see if memory.h is available.
-val=''
-set memory.h val
-eval $inhdr
-
-: See if it conflicts with string.h
-case "$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
-
: see if ndbm.h is available
set ndbm.h t_ndbm
eval $inhdr
}
EOP
$cat > varargs <<EOP
+$startsh
if $cc -c $ccflags -D\$1 varargs.c >/dev/null 2>&1; then
echo "true"
else
set sys/param.h i_sysparam
eval $inhdr
+: see if sys/resource.h has to be included
+set sys/resource.h i_sysresrc
+eval $inhdr
+
: see if sys/stat.h is available
set sys/stat.h i_sysstat
eval $inhdr
set sys/un.h i_sysun
eval $inhdr
-: see if this is a unistd.h system
-set unistd.h i_unistd
+: see if this is a syswait system
+set sys/wait.h i_syswait
eval $inhdr
: see if this is an utime system
set utime.h i_utime
eval $inhdr
+: see if this is a values.h system
+set values.h i_values
+eval $inhdr
+
: see if this is a vfork system
case "$d_vfork" in
"$define")
true|define|y) avail_ext="$avail_ext $xxx" ;;
esac
;;
+ Opcode) case "$useopcode" in
+ true|define|y) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
Socket) case "$d_socket" in
$define) avail_ext="$avail_ext $xxx" ;;
esac
shift
extensions="$*"
-$cat <<EOM
-
-I need to get your e-mail address in Internet format if possible, i.e.
-something like user@host.domain. Please answer accurately since I have
-no easy means to double check it. The default value provided below
-is most probably close to the reality but may not be valid from outside
-your organization...
-
-EOM
-cont=x
-while test "$cont"; do
- case "$cf_email" in
- '') dflt="$cf_by@$myhostname$mydomain";;
- *) dflt="$cf_email";;
- esac
- rp='What is your e-mail address?'
- . ./myread
- cf_email="$ans"
- case "$cf_email" in
- *@*.*) cont='' ;;
- *)
- rp='Address does not look like an Internet one. Use it anyway?'
- case "$fastread" in
- yes) dflt=y ;;
- *) dflt=n ;;
- esac
- . ./myread
- case "$ans" in
- y*) cont='' ;;
- *) echo " " ;;
- esac
- ;;
- esac
-done
-
-$cat <<EOM
-
-If you or somebody else will be maintaining perl at your site, please
-fill in the correct e-mail address here so that they may be contacted
-if necessary. Currently, the "perlbug" program included with perl
-will send mail to this address in addition to perlbug@perl.com. You may
-enter "none" for no administrator.
-
-EOM
-case "$perladmin" in
-'') dflt="$cf_email";;
-*) dflt="$perladmin";;
-esac
-rp='Perl administrator e-mail address'
-. ./myread
-perladmin="$ans"
-
: Remove build directory name from cppstdin so it can be used from
: either the present location or the final installed location.
echo " "
d_bcmp='$d_bcmp'
d_bcopy='$d_bcopy'
d_bsd='$d_bsd'
+d_bsdgetpgrp='$d_bsdgetpgrp'
d_bsdpgrp='$d_bsdpgrp'
+d_bsdsetpgrp='$d_bsdsetpgrp'
d_bzero='$d_bzero'
d_casti32='$d_casti32'
d_castneg='$d_castneg'
d_gethent='$d_gethent'
d_gethname='$d_gethname'
d_getlogin='$d_getlogin'
+d_getpgid='$d_getpgid'
d_getpgrp2='$d_getpgrp2'
d_getpgrp='$d_getpgrp'
d_getppid='$d_getppid'
d_getprior='$d_getprior'
+d_gnulibc='$d_gnulibc'
d_htonl='$d_htonl'
d_index='$d_index'
d_isascii='$d_isascii'
d_setrgid='$d_setrgid'
d_setruid='$d_setruid'
d_setsid='$d_setsid'
+d_sfio='$d_sfio'
d_shm='$d_shm'
d_shmat='$d_shmat'
d_shmatprototype='$d_shmatprototype'
d_shmctl='$d_shmctl'
d_shmdt='$d_shmdt'
d_shmget='$d_shmget'
-d_shrplib='$d_shrplib'
+d_sigaction='$d_sigaction'
+d_sigsetjmp='$d_sigsetjmp'
d_socket='$d_socket'
d_sockpair='$d_sockpair'
d_statblks='$d_statblks'
grep='$grep'
groupcat='$groupcat'
groupstype='$groupstype'
+gzip='$gzip'
h_fcntl='$h_fcntl'
h_sysfile='$h_sysfile'
hint='$hint'
i_niin='$i_niin'
i_pwd='$i_pwd'
i_rpcsvcdbm='$i_rpcsvcdbm'
+i_sfio='$i_sfio'
i_sgtty='$i_sgtty'
i_stdarg='$i_stdarg'
i_stddef='$i_stddef'
i_sysioctl='$i_sysioctl'
i_sysndir='$i_sysndir'
i_sysparam='$i_sysparam'
+i_sysresrc='$i_sysresrc'
i_sysselct='$i_sysselct'
i_syssockio='$i_syssockio'
i_sysstat='$i_sysstat'
i_systimes='$i_systimes'
i_systypes='$i_systypes'
i_sysun='$i_sysun'
+i_syswait='$i_syswait'
i_termio='$i_termio'
i_termios='$i_termios'
i_time='$i_time'
i_unistd='$i_unistd'
i_utime='$i_utime'
+i_values='$i_values'
i_varargs='$i_varargs'
i_varhdr='$i_varhdr'
i_vfork='$i_vfork'
less='$less'
lib_ext='$lib_ext'
libc='$libc'
+libperl='$libperl'
libpth='$libpth'
libs='$libs'
libswanted='$libswanted'
mail='$mail'
mailx='$mailx'
make='$make'
+make_set_make='$make_set_make'
mallocobj='$mallocobj'
mallocsrc='$mallocsrc'
malloctype='$malloctype'
myuname='$myuname'
n='$n'
nm_opt='$nm_opt'
+nm_so_opt='$nm_so_opt'
nroff='$nroff'
o_nonblock='$o_nonblock'
obj_ext='$obj_ext'
osname='$osname'
osvers='$osvers'
package='$package'
+pager='$pager'
passcat='$passcat'
patchlevel='$patchlevel'
path_sep='$path_sep'
shar='$shar'
sharpbang='$sharpbang'
shmattype='$shmattype'
-shrpdir='$shrpdir'
+shrpenv='$shrpenv'
shsharp='$shsharp'
sig_name='$sig_name'
sig_num='$sig_num'
stdio_base='$stdio_base'
stdio_bufsiz='$stdio_bufsiz'
stdio_cnt='$stdio_cnt'
+stdio_filbuf='$stdio_filbuf'
stdio_ptr='$stdio_ptr'
strings='$strings'
submit='$submit'
+subversion='$subversion'
sysman='$sysman'
tail='$tail'
tar='$tar'
usedl='$usedl'
usemymalloc='$usemymalloc'
usenm='$usenm'
+useopcode='$useopcode'
+useperlio='$useperlio'
useposix='$useposix'
+usesfio='$usesfio'
+useshrplib='$useshrplib'
usevfork='$usevfork'
usrinc='$usrinc'
uuname='$uuname'
voidflags='$voidflags'
xlibpth='$xlibpth'
zcat='$zcat'
+zip='$zip'
EOT
: add special variables
projects / p5sagit/p5-mst-13.2.git / blobdiff