# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Sun Aug 1 00:18:49 EET DST 1999 [metaconfig 3.0 PL70]
+# Generated on Mon Sep 13 19:24:34 EET DST 1999 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.com)
cat >/tmp/c1$$ <<EOF
installarchlib=''
archname=''
myarchname=''
+d_atolf=''
+d_atoll=''
baserev=''
bin=''
binexp=''
d_isascii=''
d_killpg=''
d_lchown=''
+d_ldbl_dig=''
d_link=''
d_locconv=''
d_lockf=''
d_wcstombs=''
d_wctomb=''
d_writev=''
-d_dbmclose64=''
-d_dbminit64=''
-d_delete64=''
-d_fetch64=''
-d_firstkey64=''
-d_nextkey64=''
-d_store64=''
dlext=''
cccdlflags=''
ccdlflags=''
intsize=''
longsize=''
shortsize=''
-d_dirent64_s=''
-d_flock64_s=''
-d_fstat64=''
-d_ftruncate64=''
-d_ino64_t=''
+d_fpos64_t=''
d_llseek=''
-d_lockf64=''
-d_lseek64=''
-d_lstat64=''
d_off64_t=''
-d_offset_t=''
-d_open64=''
-d_opendir64=''
-d_readdir64=''
-d_seekdir64=''
-d_stat64=''
-d_telldir64=''
-d_truncate64=''
libc=''
ldlibpthname=''
libperl=''
ignore_versioned_solibs=''
libs=''
lns=''
+d_PRIEldbl=''
+d_PRIFldbl=''
+d_PRIGldbl=''
+d_PRIeldbl=''
+d_PRIfldbl=''
+d_PRIgldbl=''
+sPRIEldbl=''
+sPRIFldbl=''
+sPRIGldbl=''
+sPRIeldbl=''
+sPRIfldbl=''
+sPRIgldbl=''
lseeksize=''
lseektype=''
make_set_make=''
privlibexp=''
prototype=''
ptrsize=''
+d_PRIX64=''
+d_PRId64=''
+d_PRIi64=''
+d_PRIo64=''
+d_PRIu64=''
+d_PRIx64=''
+sPRIX64=''
+sPRId64=''
+sPRIi64=''
+sPRIo64=''
+sPRIu64=''
+sPRIx64=''
drand01=''
randbits=''
randfunc=''
startperl=''
startsh=''
stdchar=''
-d_fgetpos64=''
-d_fopen64=''
-d_freopen64=''
-d_fseek64=''
-d_fseeko64=''
-d_fsetpos64=''
-d_ftell64=''
-d_ftello64=''
-d_tmpfile64=''
d_stdio_stream_array=''
stdio_stream_array=''
+d_strtoull=''
sysman=''
trnl=''
uidtype=''
archname64=''
use64bits=''
+uselongdouble=''
usemultiplicity=''
nm_opt=''
nm_so_opt=''
: List of libraries we want.
: If anyone needs -lnet, put it in a hint file.
libswanted='sfio socket inet nsl nm ndbm gdbm dbm db malloc dl'
-libswanted="$libswanted dld ld sun m rt c cposix posix"
+libswanted="$libswanted dld ld sun m c cposix posix"
libswanted="$libswanted ndir dir crypt sec"
libswanted="$libswanted ucb bsd BSD PW x"
: We probably want to search /usr/shlib before most other libraries.
: produce awk script to parse command line options
cat >options.awk <<'EOF'
BEGIN {
- optstr = "dD:eEf:hKOrsSU:V"; # getopt-style specification
+ optstr = "A:dD:eEf:hKOrsSU:V"; # getopt-style specification
len = length(optstr);
for (i = 1; i <= len; i++) {
extractsh=''
override=''
knowitall=''
-rm -f optdef.sh
+rm -f optdef.sh posthint.sh
cat >optdef.sh <<EOS
$startsh
EOS
esac
shift
;;
+ -A)
+ shift
+ xxx=''
+ yyy="$1"
+ case "$yyy" in
+ *:*) xxx=`echo $yyy|sed 's!:.*!!'`
+ yyy=`echo $yyy|sed 's!^[^:]*:!!'`
+ ;;
+ esac
+ case "$xxx" in
+ '') xxx=define ;;
+ esac
+ zzz=''
+ uuu='undef'
+ case "$yyy" in
+ *=*) zzz=`echo $yyy|sed 's!^[^=]*=!!'`
+ yyy=`echo $yyy|sed 's!=.*!!'`
+ case "$yyy:$zzz" in
+ undef:) uuu='' ;;
+ esac
+ ;;
+ esac
+ case "$xxx" in
+ append)
+ echo "$yyy=\"\${$yyy}$zzz\"" >> posthint.sh
+ ;;
+ clear)
+ echo "$yyy=''" >> posthint.sh
+ ;;
+ define)
+ case "$zzz" in
+ '') zzz=define ;;
+ esac
+ echo "$yyy='$zzz'" >> posthint.sh
+ ;;
+ eval)
+ echo "eval \"$yyy=$zzz\"" >> posthint.sh
+ ;;
+ prepend)
+ echo "$yyy=\"$zzz\${$yyy}\"" >> posthint.sh
+ ;;
+ undef)
+ case "$zzz" in
+ '') zzz="$uuu" ;;
+ esac
+ echo "$yyy=$zzz" >> posthint.sh
+ ;;
+ *) echo "$me: unknown -A command '$xxx', ignoring -A $1" >&2
+ ;;
+ esac
+ ;;
-V) echo "$me generated by metaconfig 3.0 PL70." >&2
exit 0;;
--) break;;
true)
cat >&2 <<EOM
Usage: $me [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
- [-U symbol] [-U symbol=]
+ [-U symbol] [-U symbol=] [-A command:symbol...]
-d : use defaults for all answers.
-e : go on without questioning past the production of config.sh.
-f : specify an alternate default configuration file.
-U : undefine symbol:
-U symbol symbol gets the value 'undef'
-U symbol= symbol gets completely empty
+ -A : manipulate symbol after the platform specific hints have been applied:
+ -A append:symbol=value append value to symbol
+ -A define:symbol=value define symbol to have value
+ -A symbol=value define symbol to have value
+ -A clear:symbol define symbol to be ''
+ -A define:symbol define symbol to be 'define'
+ -A eval:symbol=value define symbol to be eval of value
+ -A prepend:symbol=value prepend value to symbol
+ -A undef:symbol define symbol to be 'undef'
+ -A undef:symbol= define symbol to be ''
-V : print version number and exit (with a zero status).
EOM
exit 1
: run the defines and the undefines, if any, but leave the file out there...
touch optdef.sh
. ./optdef.sh
+: create the posthint manipulation script and leave the file out there...
+touch posthint.sh
+. ./posthint.sh
: set package name
package=perl5
*) osvers="$ans" ;;
esac
+
+. ./posthint.sh
+
: who configured the system
cf_time=`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`
cf_by=`(logname) 2>/dev/null`
privlibexp="$ansexp"
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
- installprivlib=`echo $privlibexp | sed 's#^$prefix#$installprefix#'`
+ installprivlib=`echo $privlibexp | sed "s#^$prefix#$installprefix#"`
else
installprivlib="$privlibexp"
fi
fi
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
- installarchlib=`echo $archlibexp | sed 's#^$prefix#$installprefix#'`
+ installarchlib=`echo $archlibexp | sed "s#^$prefix#$installprefix#"`
else
installarchlib="$archlibexp"
fi
: Binary compatibility with 5.005 is not possible for builds
: with advanced features
case "$usethreads$usemultiplicity" in
-*define*) bincompat5005="$undef" ;;
+*define*)
+ bincompat5005="$undef"
+ d_bincompat5005="$undef"
+ ;;
*) $cat <<EOM
Perl 5.006 can be compiled for binary compatibility with 5.005.
set d_bincompat5005
eval $setvar
case "$d_bincompat5005" in
- "$define") bincompat5005="$define" ;;
- *) bincompat5005="$undef" ;;
+ "$define")
+ bincompat5005="$define"
+ ;;
+ *) bincompat5005="$undef"
+ d_bincompat5005="$undef"
+ ;;
esac
;;
esac
EOT
cd ..
if test ! -f cppstdin; then
- echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
+ if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
+ # AIX cc -E doesn't show the absolute headerfile
+ # locations but we'll cheat by using the -M flag.
+ echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
+ else
+ echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
+ fi
else
echo "Keeping your $hint cppstdin wrapper."
fi
*) libs="$ans";;
esac
-: determine optimize, if desired, or use for debug flag also
+: determine optimization, if desired, or use for debug flag also
case "$optimize" in
' '|$undef) dflt='none';;
'') dflt='-O';;
esac
$cat <<EOH
-Some C compilers have problems with their optimizers. By default, $package
-compiles with the -O flag to use the optimizer. Alternately, you might want
-to use the symbolic debugger, which uses the -g flag (on traditional Unix
-systems). Either flag can be specified here. To use neither flag, specify
-the word "none".
+By default, $package compiles with the -O flag to use the optimizer.
+Alternately, you might want to use the symbolic debugger, which uses
+the -g flag (on traditional Unix systems). Either flag can be
+specified here. To use neither flag, specify the word "none".
EOH
rp="What optimizer/debugger flag should be used?"
: We will not override a previous value, but we might want to
: augment a hint file
case "$hint" in
-none|recommended)
+default|recommended)
case "$gccversion" in
1*) dflt='-fpcc-struct-return' ;;
esac
fi
;;
esac
+ case "$gccversion" in
+ 1*) ;;
+ 2.[0-8]*) ;;
+ *) echo " "
+ echo "Checking if your compiler accepts -fno-strict-aliasing" 2>&1
+ echo 'int main(void) { return 0; }' > gcctest.c
+ if $cc -O2 -fno-strict-aliasing -o gcctest gcctest.c; then
+ echo "Yes, it does." 2>&1
+ case "$ccflags" in
+ *strict-aliasing*)
+ echo "Leaving current flags $ccflags alone." 2>&1
+ ;;
+ *) dflt="$dflt -fno-strict-aliasing" ;;
+ esac
+ else
+ echo "Nope, it doesn't, but that's ok." 2>&1
+ fi
+ ;;
+ esac
;;
esac
esac
case "$hint" in
-none|recommended) dflt="$ccflags $dflt" ;;
+default|recommended) dflt="$ccflags $dflt" ;;
*) dflt="$ccflags";;
esac
vendorlibexp="$ansexp"
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
- installvendorlib=`echo $vendorlibexp | $sed 's#^$prefix#$installprefix#'`
+ installvendorlib=`echo $vendorlibexp | $sed "s#^$prefix#$installprefix#"`
else
installvendorlib="$vendorlibexp"
fi
: Change installation prefix, if necessary.
: XXX Bug? -- ignores Configure -Dinstallprefix setting.
if $test X"$prefix" != X"$installprefix"; then
- installbin=`echo $binexp | sed 's#^$prefix#$installprefix#'`
+ installbin=`echo $binexp | sed "s#^$prefix#$installprefix#"`
else
installbin="$binexp"
fi
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
- installman1dir=`echo $man1direxp | $sed 's#^$prefix#$installprefix#'`
+ installman1dir=`echo $man1direxp | $sed "s#^$prefix#$installprefix#"`
else
installman1dir="$man1direxp"
fi
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
- installman3dir=`echo $man3direxp | $sed 's#^$prefix#$installprefix#'`
+ installman3dir=`echo $man3direxp | $sed "s#^$prefix#$installprefix#"`
else
installman3dir="$man3direxp"
fi
scriptdirexp="$ansexp"
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
- installscript=`echo $scriptdirexp | sed 's#^$prefix#$installprefix#'`
+ installscript=`echo $scriptdirexp | sed "s#^$prefix#$installprefix#"`
else
installscript="$scriptdirexp"
fi
sitelibexp="$ansexp"
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
- installsitelib=`echo $sitelibexp | sed 's#^$prefix#$installprefix#'`
+ installsitelib=`echo $sitelibexp | sed "s#^$prefix#$installprefix#"`
else
installsitelib="$sitelibexp"
fi
sitearchexp="$ansexp"
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
- installsitearch=`echo $sitearchexp | sed 's#^$prefix#$installprefix#'`
+ installsitearch=`echo $sitearchexp | sed "s#^$prefix#$installprefix#"`
else
installsitearch="$sitearchexp"
fi
cat <<EOM
+Perl can be built to take advantage of long doubles which
+(if available) may give more accuracy and range for floating point
+numbers. To do so, Configure must be run with -Duselongdouble.
+
+If this doesn't make any sense to you, just accept the default 'n'.
+EOM
+case "$uselongdouble" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Try to use long doubles if available?'
+. ./myread
+case "$ans" in
+y|Y) val="$define" ;;
+*) val="$undef" ;;
+esac
+set uselongdouble
+eval $setvar
+
+case "$uselongdouble" in
+"$define"|true|[yY]*)
+: Look for a hint-file generated 'call-back-unit'. If the
+: user has specified that long doubles should be used,
+: we may need to set or change some other defaults.
+ if $test -f uselongdouble.cbu; then
+ echo "Your platform has some specific hints for long doubles, using them..."
+ . ./uselongdouble.cbu
+ else
+ $cat <<EOM
+(Your platform doesn't have any specific hints for long doubles.)
+EOM
+ fi
+ ;;
+esac
+
+cat <<EOM
+
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
esac
fi
-: Initialize h_fcntl
-h_fcntl=false
-
-: Initialize h_sysfile
-h_sysfile=false
-
-: access call always available on UNIX
-set access d_access
-eval $inlibc
+: see if inttypes.h is available
+: we want a real compile instead of Inhdr because some systems
+: have an inttypes.h which includes non-existent headers
+echo " "
+$cat >try.c <<EOCP
+#include <inttypes.h>
+int main() {
+ static int32_t foo32 = 0x12345678;
+}
+EOCP
+set try
+if eval $compile; then
+ echo "<inttypes.h> found." >&4
+ val="$define"
+else
+ echo "<inttypes.h> NOT found." >&4
+ val="$undef"
+fi
+$rm -f try.c try
+set i_inttypes
+eval $setvar
-: locate the flags for 'access()'
-case "$d_access" in
-"$define")
+: check for int64_t
+case "$use64bits" in
+"$define" )
echo " "
- $cat >access.c <<'EOCP'
+ echo $n "Checking to see if your system supports int64_t...$c" >&4
+ $cat >try.c <<EOCP
#include <sys/types.h>
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
-#ifdef I_UNISTD
-#include <unistd.h>
+#$i_inttypes I_INTTYPES
+#ifdef I_INTTYPES
+#include <inttypes.h>
#endif
-int main() {
- exit(R_OK);
-}
+int64_t foo() { int64_t x; x = 7; return x; }
EOCP
- : check sys/file.h first, no particular reason here
- if $test `./findhdr sys/file.h` && \
- $cc $cppflags -DI_SYS_FILE -o access access.c >/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 -o access access.c >/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 -o access access.c >/dev/null 2>&1 ; then
- echo "<unistd.h> defines the *_OK access constants." >&4
+ if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
+ val="$define"
+ echo " Yup, it does." >&4
else
- echo "I can't find the four *_OK access constants--I'll use mine." >&4
+ val="$undef"
+ echo " Nope, it doesn't." >&4
fi
+ $rm -f try.*
+ ;;
+*) val="$undef"
;;
esac
-$rm -f access*
-
-: see if accessx exists
-set accessx d_accessx
-eval $inlibc
+set d_int64t
+eval $setvar
-: see if alarm exists
-set alarm d_alarm
-eval $inlibc
-: Look for GNU-cc style attribute checking
+: check for lengths of integral types
echo " "
-echo "Checking whether your compiler can handle __attribute__ ..." >&4
-$cat >attrib.c <<'EOCP'
+case "$intsize" in
+'')
+ echo "Checking to see how big your integers are..." >&4
+ $cat >intsize.c <<'EOCP'
#include <stdio.h>
-void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
+int main()
+{
+ printf("intsize=%d;\n", sizeof(int));
+ printf("longsize=%d;\n", sizeof(long));
+ printf("shortsize=%d;\n", sizeof(short));
+ exit(0);
+}
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"
+ set intsize
+ if eval $compile_ok && ./intsize > /dev/null; then
+ eval `./intsize`
+ echo "Your integers are $intsize bytes long."
+ echo "Your long integers are $longsize bytes long."
+ echo "Your short integers are $shortsize bytes long."
else
- echo "Your C compiler supports __attribute__."
- val="$define"
+ $cat >&4 <<EOM
+!
+Help! I can't compile and run the intsize test program: please enlighten me!
+(This is probably a misconfiguration in your system or libraries, and
+you really ought to fix it. Still, I'll try anyway.)
+!
+EOM
+ dflt=4
+ rp="What is the size of an integer (in bytes)?"
+ . ./myread
+ intsize="$ans"
+ dflt=$intsize
+ rp="What is the size of a long integer (in bytes)?"
+ . ./myread
+ longsize="$ans"
+ dflt=2
+ rp="What is the size of a short integer (in bytes)?"
+ . ./myread
+ shortsize="$ans"
fi
+ ;;
+esac
+$rm -f intsize intsize.*
+
+: check for long long
+echo " "
+echo $n "Checking to see if your system supports long long...$c" >&4
+echo 'long long foo() { long long x; x = 7; return x; }' > try.c
+if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
+ val="$define"
+ echo " Yup, it does." >&4
else
- echo "Your C compiler doesn't seem to understand __attribute__ at all."
val="$undef"
+ echo " Nope, it doesn't." >&4
fi
-set d_attribut
+$rm try.*
+set d_longlong
eval $setvar
-$rm -f attrib*
-
-: see if bcmp exists
-set bcmp d_bcmp
-eval $inlibc
-
-: see if bcopy exists
-set bcopy d_bcopy
-eval $inlibc
-
-: see if this is a unistd.h system
-set unistd.h i_unistd
-eval $inhdr
-
-: see if getpgrp exists
-set getpgrp d_getpgrp
-eval $inlibc
-case "$d_getpgrp" in
-"$define")
+: check for length of long long
+case "${d_longlong}${longlongsize}" in
+$define)
echo " "
- echo "Checking to see which flavor of getpgrp is in use..."
- $cat >set.c <<EOP
-#$i_unistd I_UNISTD
-#include <sys/types.h>
-#ifdef I_UNISTD
-# include <unistd.h>
-#endif
+ $echo $n "Checking to see how big your long longs are...$c" >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
int 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);
+ printf("%d\n", sizeof(long long));
}
-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"
+EOCP
+ set try
+ if eval $compile_ok; then
+ longlongsize=`./try`
+ $echo " $longlongsize bytes." >&4
else
- echo "I can't seem to compile and run the test program."
- if ./usg; then
- xxx="a USG one, i.e. you use getpgrp()."
+ dflt='8'
+ echo " "
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of a long long (in bytes)?"
+ . ./myread
+ longlongsize="$ans"
+ fi
+ if $test "X$longsize" = "X$longlongsize"; then
+ echo "(That isn't any different from an ordinary long.)"
+ fi
+ ;;
+esac
+$rm -f try.c try
+
+echo " "
+
+if $test X"$intsize" = X8 -o X"$longsize" = X8 -o X"$d_int64t" = X"$define" -o X"$d_longlong" = X"$define"; then
+
+echo "Checking how to print 64-bit integers..." >&4
+
+if $test X"$sPRId64" = X -a X"$intsize" = X8; then
+ quad=int
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ int q = 12345678901;
+ printf("%ld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"d"'; sPRIi64='"i"'; sPRIu64='"u"';
+ sPRIo64='"o"'; sPRIx64='"x"'; sPRIX64='"X"';
+ echo "We will use %d."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$longsize" = X8; then
+ quad=long
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long q = 12345678901;
+ printf("%ld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"ld"'; sPRIi64='"li"'; sPRIu64='"lu"';
+ sPRIo64='"lo"'; sPRIx64='"lx"'; sPRIX64='"lX"';
+ echo "We will use %ld."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$i_inttypes.h" = X"$define" -a X"$d_int64t" = X"$define"; then
+ quad=int64_t
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <inttypes.h>
+#include <stdio.h>
+int main() {
+ int64_t q = 12345678901;
+ printf("%" PRId64 "\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64=PRId64; sPRIi64=PRIi64; sPRIu64=PRIu64;
+ sPRIo64=PRIo64; sPRIx64=PRIx64; sPRIX64=PRIX64;
+ echo "We will use the C9X style."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$d_longlong" = X"$define" -a X"$longlongsize" = X8; then
+ quad="long long"
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long long q = 12345678901LL; /* AIX cc requires the LL prefix. */
+ printf("%lld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"lld"'; sPRIi64='"lli"'; sPRIu64='"llu"';
+ sPRIo64='"llo"'; sPRIx64='"llx"'; sPRIX64='"llX"';
+ echo "We will use the %lld style."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$quad" != X; then
+ $cat >try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ $quad q = 12345678901;
+ printf("%Ld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"Ld"'; sPRIi64='"Li"'; sPRIu64='"Lu"';
+ sPRIo64='"Lo"'; sPRIx64='"Lx"'; sPRIX64='"LX"';
+ echo "We will use %lld."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$quad" != X; then
+ $cat >try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ $quad q = 12345678901;
+ printf("%qd\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"qd"'; sPRIi64='"qi"'; sPRIu64='"qu"';
+ sPRIo64='"qo"'; sPRIx64='"qx"'; sPRIX64='"qX"';
+ echo "We will use %qd."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X; then
+ echo "Cannot figure out how to print 64-bit integers." >&4
+fi
+
+$rm -f try try.*
+
+fi # intsize -o longsize -o d_int64t -o d_longlong
+
+case "$sPRId64" in
+'') d_PRId64="$undef"; d_PRIi64="$undef"; d_PRIu64="$undef";
+ d_PRIo64="$undef"; d_PRIx64="$undef"; d_PRIX64="$undef";
+ ;;
+*) d_PRId64="$define"; d_PRIi64="$define"; d_PRIu64="$define";
+ d_PRIo64="$define"; d_PRIx64="$define"; d_PRIX64="$define";
+ ;;
+esac
+
+: check for length of double
+echo " "
+case "$doublesize" in
+'')
+ $echo $n "Checking to see how big your double precision numbers are...$c" >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", sizeof(double));
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ doublesize=`./try`
+ $echo " $doublesize bytes." >&4
+ else
+ dflt='8'
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of a double precision number (in bytes)?"
+ . ./myread
+ doublesize="$ans"
+ fi
+ ;;
+esac
+$rm -f try.c try
+
+: check for long doubles
+echo " "
+echo $n "Checking to see if your system supports long double...$c" >&4
+echo 'long double foo() { long double x; x = 7.0; return x; }' > try.c
+if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
+ val="$define"
+ echo " Yup, it does." >&4
+else
+ val="$undef"
+ echo " Nope, it doesn't." >&4
+fi
+$rm try.*
+set d_longdbl
+eval $setvar
+
+: check for length of long double
+case "${d_longdbl}${longdblsize}" in
+$define)
+ echo " "
+ $echo $n "Checking to see how big your long doubles are...$c" >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", sizeof(long double));
+}
+EOCP
+ set try
+ if eval $compile; then
+ longdblsize=`./try`
+ $echo " $longdblsize bytes." >&4
+ else
+ dflt='8'
+ echo " "
+ echo "(I can't seem to compile the test program. Guessing...)" >&4
+ rp="What is the size of a long double (in bytes)?"
+ . ./myread
+ longdblsize="$ans"
+ fi
+ if $test "X$doublesize" = "X$longdblsize"; then
+ echo "(That isn't any different from an ordinary double.)"
+ fi
+ ;;
+esac
+$rm -f try.c try
+
+echo " "
+
+if $test X"$d_longdbl" = X"$define"; then
+
+echo "Checking how to print long doubles..." >&4
+
+if $test X"$sPRIfldbl" = X -a X"$doublesize" = X"$longdblsize"; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ double d = 123.456;
+ printf("%.3f\n", d);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 123.456)
+ sPRIfldbl='"f"'; sPRIgldbl='"g"'; sPRIeldbl='"e"';
+ sPRIFldbl='"F"'; sPRIGldbl='"G"'; sPRIEldbl='"E"';
+ echo "We will use %f."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRIfldbl" = X; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long double d = 123.456;
+ printf("%.3llf\n", d);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 123.456)
+ sPRIfldbl='"llf"'; sPRIgldbl='"llg"'; sPRIeldbl='"lle"';
+ sPRIFldbl='"llF"'; sPRIGldbl='"llG"'; sPRIEldbl='"llE"';
+ echo "We will use %llf."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRIfldbl" = X; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long double d = 123.456;
+ printf("%.3Lf\n", d);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 123.456)
+ sPRIfldbl='"Lf"'; sPRIgldbl='"Lg"'; sPRIeldbl='"Le"';
+ sPRIFldbl='"LF"'; sPRIGldbl='"LG"'; sPRIEldbl='"LE"';
+ echo "We will use %Lf."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRIfldbl" = X; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long double d = 123.456;
+ printf("%.3lf\n", d);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 123.456)
+ sPRIfldbl='"lf"'; sPRIgldbl='"lg"'; sPRIeldbl='"le"';
+ sPRIFldbl='"lF"'; sPRIGldbl='"lG"'; sPRIEldbl='"lE"';
+ echo "We will use %lf."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRIfldbl" = X; then
+ echo "Cannot figure out how to print long doubles." >&4
+fi
+
+$rm -f try try.*
+
+fi # d_longdbl
+
+case "$sPRIfldbl" in
+'') d_PRIfldbl="$undef"; d_PRIgldbl="$undef"; d_PRIeldbl="$undef";
+ d_PRIFldbl="$undef"; d_PRIGldbl="$undef"; d_PRIEldbl="$undef";
+ ;;
+*) d_PRIfldbl="$define"; d_PRIgldbl="$define"; d_PRIeldbl="$define";
+ d_PRIFldbl="$define"; d_PRIGldbl="$define"; d_PRIEldbl="$define";
+ ;;
+esac
+
+: Initialize h_fcntl
+h_fcntl=false
+
+: Initialize h_sysfile
+h_sysfile=false
+
+: 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>
+#ifdef I_FCNTL
+#include <fcntl.h>
+#endif
+#ifdef I_SYS_FILE
+#include <sys/file.h>
+#endif
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+int 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 -o access access.c >/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 -o access access.c >/dev/null 2>&1 ; then
+ h_fcntl=true;
+ echo "<fcntl.h> defines the *_OK access constants." >&4
+ elif $test `./findhdr unistd.h` && \
+ $cc $cppflags -DI_UNISTD -o access access.c >/dev/null 2>&1 ; then
+ echo "<unistd.h> defines the *_OK access constants." >&4
+ else
+ echo "I can't find the four *_OK access constants--I'll use mine." >&4
+ fi
+ ;;
+esac
+$rm -f access*
+
+: see if accessx exists
+set accessx d_accessx
+eval $inlibc
+
+: see if alarm exists
+set alarm d_alarm
+eval $inlibc
+
+: see if atolf exists
+set atolf d_atolf
+eval $inlibc
+
+: see if atoll exists
+set atoll d_atoll
+eval $inlibc
+
+: Look for GNU-cc style attribute checking
+echo " "
+echo "Checking whether your compiler can handle __attribute__ ..." >&4
+$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 bcmp exists
+set bcmp d_bcmp
+eval $inlibc
+
+: see if bcopy exists
+set bcopy d_bcopy
+eval $inlibc
+
+: see if this is a unistd.h system
+set unistd.h i_unistd
+eval $inhdr
+
+: see if getpgrp exists
+set getpgrp d_getpgrp
+eval $inlibc
+
+case "$d_getpgrp" in
+"$define")
+ echo " "
+ echo "Checking to see which flavor of getpgrp is in use..."
+ $cat >set.c <<EOP
+#$i_unistd I_UNISTD
+#include <sys/types.h>
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+int 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
+ 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
set bzero d_bzero
eval $inlibc
-: check for lengths of integral types
-echo " "
-case "$intsize" in
-'')
- echo "Checking to see how big your integers are..." >&4
- $cat >intsize.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("intsize=%d;\n", sizeof(int));
- printf("longsize=%d;\n", sizeof(long));
- printf("shortsize=%d;\n", sizeof(short));
- exit(0);
-}
-EOCP
- set intsize
- if eval $compile_ok && ./intsize > /dev/null; then
- eval `./intsize`
- echo "Your integers are $intsize bytes long."
- echo "Your long integers are $longsize bytes long."
- echo "Your short integers are $shortsize bytes long."
- else
- $cat >&4 <<EOM
-!
-Help! I can't compile and run the intsize test program: please enlighten me!
-(This is probably a misconfiguration in your system or libraries, and
-you really ought to fix it. Still, I'll try anyway.)
-!
-EOM
- dflt=4
- rp="What is the size of an integer (in bytes)?"
- . ./myread
- intsize="$ans"
- dflt=$intsize
- rp="What is the size of a long integer (in bytes)?"
- . ./myread
- longsize="$ans"
- dflt=2
- rp="What is the size of a short integer (in bytes)?"
- . ./myread
- shortsize="$ans"
- fi
- ;;
-esac
-$rm -f intsize intsize.*
-
: see if signal is declared as pointer to function returning int or void
echo " "
xxx=`./findhdr signal.h`
set d_dbl_dig
eval $setvar
-
-if $test X"$use64bits" = X"$define"; then
- : see if dbminit64 exists
- set dbminit64 d_dbminit64
- eval $inlibc
-
- : see if dbmclose64 exists
- set dbmclose64 d_dbmclose64
- eval $inlibc
-
- : see if fetch64 exists
- set fetch64 d_fetch64
- eval $inlibc
-
- : see if store64 exists
- set store64 d_store64
- eval $inlibc
-
- : see if delete64 exists
- set delete64 d_delete64
- eval $inlibc
-
- : see if firstkey64 exists
- set firstkey64 d_firstkey64
- eval $inlibc
-
- : see if nextkey64 exists
- set nextkey64 d_nextkey64
- eval $inlibc
-else
- val="$undef"
- for xxx in d_dbminit64 d_dbmclose64 d_fetch64 d_store64 d_delete64 d_firstkey64 d_nextkey64
- do
- set $xxx
- eval $setvar
- done
-fi
-
: see if difftime exists
set difftime d_difftime
eval $inlibc
-: see if sys/stat.h is available
-set sys/stat.h i_sysstat
-eval $inhdr
-
: see if this is a dirent system
echo " "
if xinc=`./findhdr dirent.h`; $test "$xinc"; then
eval $setvar
$rm -f try.c
-
-if $test X"$use64bits" = X"$define"; then
- : see if fstat64 exists
- set fstat64 d_fstat64
- eval $inlibc
-
- : see if ftruncate64 exists
- set ftruncate64 d_ftruncate64
- eval $inlibc
-
- : see if lockf64 exists
- set lockf64 d_lockf64
- eval $inlibc
-
- : see if llseek exists
- set llseek d_llseek
- eval $inlibc
-
- : see if lseek64 exists
- set lseek64 d_lseek64
- eval $inlibc
-
- : see if lstat64 exists
- set lstat64 d_lstat64
- eval $inlibc
-
- : see if open64 exists
- set open64 d_open64
- eval $inlibc
-
- : see if opendir64 exists
- set opendir64 d_opendir64
- eval $inlibc
-
- : see if readdir64 exists
- set readdir64 d_readdir64
- eval $inlibc
-
- : see if seekdir64 exists
- set seekdir64 d_seekdir64
- eval $inlibc
-
- : see if stat64 exists
- set stat64 d_stat64
- eval $inlibc
-
- : see if telldir64 exists
- set telldir64 d_telldir64
- eval $inlibc
-
- : see if truncate64 exists
- set truncate64 d_truncate64
- eval $inlibc
-
- : check for off64_t
- echo " "
- echo $n "Checking to see if your system supports off64_t...$c" >&4
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#include <unistd.h>
-off64_t foo() { off64_t x; x = 7; return x; }'
-EOCP
- if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
- else
- val="$undef"
- echo " Nope, it doesn't." >&4
- fi
- $rm -f try.*
- set d_off64_t
- eval $setvar
-
- : check for offset_t
- echo " "
- echo $n "Checking to see if your system supports offset_t...$c" >&4
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#include <unistd.h>
-offset_t foo() { offset_t x; x = 7; return x; }'
-EOCP
- if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
- else
- val="$undef"
- echo " Nope, it doesn't." >&4
- fi
- $rm -f try.*
- set d_offset_t
- eval $setvar
-
- : check for ino64_t
- echo " "
- echo $n "Checking to see if your system supports ino64_t...$c" >&4
- val="$undef"
- case "$i_sysstat" in
- "$define" )
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#include <sys/stat.h>
-ino64_t foo() { ino64_t x; x = 7; return x; }'
-EOCP
- if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- fi
- $rm -f try.*
- ;;
- esac
- if $test "X$val" = X"$define"; then
- echo " Yup, it does." >&4
- else
- echo " Nope, it doesn't." >&4
- fi
- set d_ino64_t
- eval $setvar
-
- : check for struct flock64
- echo " "
- echo "Checking to see if your system supports struct flock64..." >&4
- if $h_fcntl; then
- set d_flock64_s flock64 l_len define fcntl.h
- eval $hasfield
- else
- val="$undef"
- set d_flock64_s
- eval $setvar
- fi
- case "$d_flock64_s" in
- "$define") echo "Yup, it does." >&4
- ;;
- *) echo "Nope, it doesn't." >&4
- ;;
- esac
-
- : check for struct dirent64
- echo " "
- echo "Checking to see if your system supports struct dirent64..." >&4
- set d_dirent64_s dirent64 d_off $i_dirent dirent.h
- eval $hasfield
- case "$d_dirent64_s" in
- "$define") echo "Yup, it does." >&4
- ;;
- *) echo "Nope, it doesn't." >&4
- ;;
- esac
-
-else
- val="$undef"
- for xxx in d_fstat64 d_ftruncate64 d_lockf64 d_lseek64 d_lstat64 d_open64 d_opendir64 d_readdir64 d_seekdir64 d_stat64 d_telldir64 d_truncate64 d_off64_t d_offset_t d_ino64_t d_flock64_s d_dirent64_s
- do
- set $xxx
- eval $setvar
- done
-fi
-
: see if dlerror exists
xxx_runnm="$runnm"
runnm=false
esac
else
echo "I can't compile and run the test program." >&4
+ echo "I'm guessing that dlsym doesn't need a leading underscore." >&4
fi
;;
esac
Hmm, your compiler has some difficulty with fd_set. Checking further...
EOM
set fd_set
- if eval $compile; then
- d_fds_bits="$undef"
- d_fd_set="$define"
- echo "Well, your system has some sort of fd_set available..." >&4
- if ./fd_set; then
- echo "and you have the normal fd_set macros." >&4
- d_fd_macros="$define"
- else
- $cat <<'EOM'
-but not the normal fd_set macros! Gross! More work for me...
-EOM
- d_fd_macros="$undef"
- fi
- else
- echo "Well, you got zip. That's OK, I can roll my own fd_set stuff." >&4
- d_fd_set="$undef"
- d_fds_bits="$undef"
- d_fd_macros="$undef"
- fi
-fi
-$rm -f fd_set*
-
-: see if fgetpos exists
-set fgetpos d_fgetpos
-eval $inlibc
-
-
-if $test X"$use64bits" = X"$define"; then
- : see if fgetpos64 exists
- set fgetpos64 d_fgetpos64
- eval $inlibc
-
- : see if fopen64 exists
- set freopen64 d_fopen64
- eval $inlibc
-
- : see if freopen64 exists
- set freopen64 d_freopen64
- eval $inlibc
-
- : see if fseek64 exists
- set fseek64 d_fseek64
- eval $inlibc
-
- : see if fseeko64 exists
- set fseeko64 d_fseeko64
- eval $inlibc
-
- : see if fsetpos64 exists
- set fsetpos64 d_fsetpos64
- eval $inlibc
-
- : see if ftell64 exists
- set ftell64 d_ftell64
- eval $inlibc
-
- : see if ftello64 exists
- set ftello64 d_ftello64
- eval $inlibc
-
- : see if tmpfile64 exists
- set tmpfile64 d_tmpfile64
- eval $inlibc
-else
- val="$undef"
- for xxx in d_fgetpos64 d_fopen64 d_freopen64 d_fseek64 d_fseeko64 d_fsetpos64 d_ftell64 d_ftello64 d_tmpfile64
- do
- set $xxx
- eval $setvar
- done
+ if eval $compile; then
+ d_fds_bits="$undef"
+ d_fd_set="$define"
+ echo "Well, your system has some sort of fd_set available..." >&4
+ if ./fd_set; then
+ echo "and you have the normal fd_set macros." >&4
+ d_fd_macros="$define"
+ else
+ $cat <<'EOM'
+but not the normal fd_set macros! Gross! More work for me...
+EOM
+ d_fd_macros="$undef"
+ fi
+ else
+ echo "Well, you got zip. That's OK, I can roll my own fd_set stuff." >&4
+ d_fd_set="$undef"
+ d_fds_bits="$undef"
+ d_fd_macros="$undef"
+ fi
fi
+$rm -f fd_set*
+
+: see if fgetpos exists
+set fgetpos d_fgetpos
+eval $inlibc
: see if flock exists
set flock d_flock
set fpathconf d_fpathconf
eval $inlibc
+
+: see if llseek exists
+set llseek d_llseek
+eval $inlibc
+
+: check for off64_t
+echo " "
+echo $n "Checking to see if your system supports off64_t...$c" >&4
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <unistd.h>
+off64_t foo() { off64_t x; x = 7; return x; }'
+EOCP
+if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
+ val="$define"
+ echo " Yup, it does." >&4
+else
+ val="$undef"
+ echo " Nope, it doesn't." >&4
+fi
+$rm -f try.*
+set d_off64_t
+eval $setvar
+
+: check for fpos64_t
+echo " "
+echo $n "Checking to see if your system supports fpos64_t...$c" >&4
+$cat >try.c <<EOCP
+#include <sys/stdio.h>
+fpos64_t foo() { fpos64_t x; x = 7; return x; }'
+EOCP
+if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
+ val="$define"
+ echo " Yup, it does." >&4
+else
+ val="$undef"
+ echo " Nope, it doesn't." >&4
+fi
+$rm -f try.*
+set d_fpos64_t
+eval $setvar
+
: see if fseeko exists
set fseeko d_fseeko
eval $inlibc
set inet_aton d_inetaton
eval $inlibc
-: see if inttypes.h is available
-: we want a real compile instead of Inhdr because some systems
-: have an inttypes.h which includes non-existent headers
-echo " "
-$cat >try.c <<EOCP
-#include <inttypes.h>
-int main() {
- static int32_t foo32 = 0x12345678;
-}
-EOCP
-set try
-if eval $compile; then
- echo "<inttypes.h> found." >&4
- val="$define"
-else
- echo "<inttypes.h> NOT found." >&4
- val="$undef"
-fi
-$rm -f try.c try
-set i_inttypes
-eval $setvar
-
-: check for int64_t
-case "$use64bits" in
-"$define" )
- echo " "
- echo $n "Checking to see if your system supports int64_t...$c" >&4
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#$i_inttypes I_INTTYPES
-#ifdef I_INTTYPES
-#include <inttypes.h>
-#endif
-int64_t foo() { int64_t x; x = 7; return x; }
-EOCP
- if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
- else
- val="$undef"
- echo " Nope, it doesn't." >&4
- fi
- $rm -f try.*
- ;;
-*) val="$undef"
- ;;
-esac
-set d_int64t
-eval $setvar
-
-
: Look for isascii
echo " "
$cat >isascii.c <<'EOCP'
set d_lchown
eval $setvar
+: See if number of significant digits in a double precision number is known
+echo " "
+$cat >ldbl_dig.c <<EOM
+#$i_limits I_LIMITS
+#$i_float I_FLOAT
+#ifdef I_LIMITS
+#include <limits.h>
+#endif
+#ifdef I_FLOAT
+#include <float.h>
+#endif
+#ifdef LDBL_DIG
+printf("Contains LDBL_DIG");
+#endif
+EOM
+$cppstdin $cppflags $cppminus < ldbl_dig.c >ldbl_dig.E 2>/dev/null
+if $contains 'LDBL_DIG' ldbl_dig.E >/dev/null 2>&1; then
+ echo "LDBL_DIG found." >&4
+ val="$define"
+else
+ echo "LDBL_DIG NOT found." >&4
+ val="$undef"
+fi
+$rm -f ldbl_dig.?
+set d_ldbl_dig
+eval $setvar
+
: see if link exists
set link d_link
eval $inlibc
set lockf d_lockf
eval $inlibc
-: check for length of double
-echo " "
-case "$doublesize" in
-'')
- $echo $n "Checking to see how big your double precision numbers are...$c" >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof(double));
-}
-EOCP
- set try
- if eval $compile_ok; then
- doublesize=`./try`
- $echo " $doublesize bytes." >&4
- else
- dflt='8'
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of a double precision number (in bytes)?"
- . ./myread
- doublesize="$ans"
- fi
- ;;
-esac
-$rm -f try.c try
-
-: check for long doubles
-echo " "
-echo $n "Checking to see if your system supports long doubles...$c" >&4
-echo 'long double foo() { long double x; x = 7.0; return x; }' > try.c
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
-else
- val="$undef"
- echo " Nope, it doesn't." >&4
-fi
-$rm try.*
-set d_longdbl
-eval $setvar
-
-: check for length of long double
-case "${d_longdbl}${longdblsize}" in
-$define)
- echo " "
- $echo $n "Checking to see how big your long doubles are...$c" >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof(long double));
-}
-EOCP
- set try
- if eval $compile; then
- longdblsize=`./try`
- $echo " $longdblsize bytes." >&4
- else
- dflt='8'
- echo " "
- echo "(I can't seem to compile the test program. Guessing...)" >&4
- rp="What is the size of a long double (in bytes)?"
- . ./myread
- longdblsize="$ans"
- fi
- if $test "X$doublesize" = "X$longdblsize"; then
- echo "(That isn't any different from an ordinary double.)"
- fi
- ;;
-esac
-$rm -f try.c try
-
-: check for long long
-echo " "
-echo $n "Checking to see if your system supports long long...$c" >&4
-echo 'long long foo() { long long x; x = 7; return x; }' > try.c
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
-else
- val="$undef"
- echo " Nope, it doesn't." >&4
-fi
-$rm try.*
-set d_longlong
-eval $setvar
-
-: check for length of long long
-case "${d_longlong}${longlongsize}" in
-$define)
- echo " "
- $echo $n "Checking to see how big your long longs are...$c" >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof(long long));
-}
-EOCP
- set try
- if eval $compile_ok; then
- longlongsize=`./try`
- $echo " $longlongsize bytes." >&4
- else
- dflt='8'
- echo " "
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of a long long (in bytes)?"
- . ./myread
- longlongsize="$ans"
- fi
- if $test "X$longsize" = "X$longlongsize"; then
- echo "(That isn't any different from an ordinary long.)"
- fi
- ;;
-esac
-$rm -f try.c try
-
: see if lstat exists
set lstat d_lstat
eval $inlibc
eval $inlibc
: see if POSIX threads are available
-if test "X$usethreads" = "X$define"; then
- set pthread.h i_pthread
- eval $inhdr
-else
- i_pthread="$undef"
-fi
+set pthread.h i_pthread
+eval $inhdr
+
eval $setvar
$rm -f try.c try
+: see if sys/stat.h is available
+set sys/stat.h i_sysstat
+eval $inhdr
+
: see if stat knows about block sizes
echo " "
set d_statblks stat st_blocks $i_sysstat sys/stat.h
set strtoul d_strtoul
eval $inlibc
+: see if strtoull exists
+set strtoull d_strtoull
+eval $inlibc
+
: see if strxfrm exists
set strxfrm d_strxfrm
eval $inlibc
skipping the byteorder check.
EOM
- byteorder=''
+ byteorder='0xffff'
;;
*)
case "$byteorder" in
In the following, larger digits indicate more significance. A big-endian
machine like a Pyramid or a Motorola 680?0 chip will come out to 4321. A
little-endian machine like a Vax or an Intel 80?86 chip would be 1234. Other
-machines may have weird orders like 3412. A Cray will report 87654321. If
-the test program works the default is probably right.
+machines may have weird orders like 3412. A Cray will report 87654321,
+an Alpha will report 12345678. If the test program works the default is
+probably right.
I'm now running the test program...
EOM
$cat >try.c <<'EOCP'
echo " "
echo "Stripping down executable paths..." >&4
for file in $loclist $trylist; do
- if test X$file != Xln -a X$file != Xar -o X$osname != Xos2; then
- eval $file="\$file"
- fi
+ eval temp=\$$file
+ eval $file=`basename $temp`
done
;;
esac
cryptlib='$cryptlib'
csh='$csh'
d_Gconvert='$d_Gconvert'
+d_PRIEldbl='$d_PRIEldbl'
+d_PRIFldbl='$d_PRIFldbl'
+d_PRIGldbl='$d_PRIGldbl'
+d_PRIX64='$d_PRIX64'
+d_PRId64='$d_PRId64'
+d_PRIeldbl='$d_PRIeldbl'
+d_PRIfldbl='$d_PRIfldbl'
+d_PRIgldbl='$d_PRIgldbl'
+d_PRIi64='$d_PRIi64'
+d_PRIo64='$d_PRIo64'
+d_PRIu64='$d_PRIu64'
+d_PRIx64='$d_PRIx64'
d_access='$d_access'
d_accessx='$d_accessx'
d_alarm='$d_alarm'
d_archlib='$d_archlib'
+d_atolf='$d_atolf'
+d_atoll='$d_atoll'
d_attribut='$d_attribut'
d_bcmp='$d_bcmp'
d_bcopy='$d_bcopy'
d_csh='$d_csh'
d_cuserid='$d_cuserid'
d_dbl_dig='$d_dbl_dig'
-d_dbmclose64='$d_dbmclose64'
-d_dbminit64='$d_dbminit64'
-d_delete64='$d_delete64'
d_difftime='$d_difftime'
-d_dirent64_s='$d_dirent64_s'
d_dirnamlen='$d_dirnamlen'
d_dlerror='$d_dlerror'
d_dlopen='$d_dlopen'
d_fd_macros='$d_fd_macros'
d_fd_set='$d_fd_set'
d_fds_bits='$d_fds_bits'
-d_fetch64='$d_fetch64'
-d_fgetpos64='$d_fgetpos64'
d_fgetpos='$d_fgetpos'
-d_firstkey64='$d_firstkey64'
d_flexfnam='$d_flexfnam'
-d_flock64_s='$d_flock64_s'
d_flock='$d_flock'
-d_fopen64='$d_fopen64'
d_fork='$d_fork'
d_fpathconf='$d_fpathconf'
-d_freopen64='$d_freopen64'
-d_fseek64='$d_fseek64'
-d_fseeko64='$d_fseeko64'
+d_fpos64_t='$d_fpos64_t'
d_fseeko='$d_fseeko'
-d_fsetpos64='$d_fsetpos64'
d_fsetpos='$d_fsetpos'
-d_fstat64='$d_fstat64'
d_fstatfs='$d_fstatfs'
d_fstatvfs='$d_fstatvfs'
-d_ftell64='$d_ftell64'
-d_ftello64='$d_ftello64'
d_ftello='$d_ftello'
d_ftime='$d_ftime'
-d_ftruncate64='$d_ftruncate64'
d_getgrent='$d_getgrent'
d_getgrps='$d_getgrps'
d_gethbyaddr='$d_gethbyaddr'
d_htonl='$d_htonl'
d_index='$d_index'
d_inetaton='$d_inetaton'
-d_ino64_t='$d_ino64_t'
d_int64t='$d_int64t'
d_iovec_s='$d_iovec_s'
d_isascii='$d_isascii'
d_killpg='$d_killpg'
d_lchown='$d_lchown'
+d_ldbl_dig='$d_ldbl_dig'
d_link='$d_link'
d_llseek='$d_llseek'
d_locconv='$d_locconv'
-d_lockf64='$d_lockf64'
d_lockf='$d_lockf'
d_longdbl='$d_longdbl'
d_longlong='$d_longlong'
-d_lseek64='$d_lseek64'
-d_lstat64='$d_lstat64'
d_lstat='$d_lstat'
d_madvise='$d_madvise'
d_mblen='$d_mblen'
d_msync='$d_msync'
d_munmap='$d_munmap'
d_mymalloc='$d_mymalloc'
-d_nextkey64='$d_nextkey64'
d_nice='$d_nice'
d_off64_t='$d_off64_t'
-d_offset_t='$d_offset_t'
d_old_pthread_create_joinable='$d_old_pthread_create_joinable'
d_oldpthreads='$d_oldpthreads'
d_oldsock='$d_oldsock'
d_open3='$d_open3'
-d_open64='$d_open64'
-d_opendir64='$d_opendir64'
d_pathconf='$d_pathconf'
d_pause='$d_pause'
d_phostname='$d_phostname'
d_pwgecos='$d_pwgecos'
d_pwpasswd='$d_pwpasswd'
d_pwquota='$d_pwquota'
-d_readdir64='$d_readdir64'
d_readdir='$d_readdir'
d_readlink='$d_readlink'
d_readv='$d_readv'
d_sanemcmp='$d_sanemcmp'
d_sched_yield='$d_sched_yield'
d_scm_rights='$d_scm_rights'
-d_seekdir64='$d_seekdir64'
d_seekdir='$d_seekdir'
d_select='$d_select'
d_sem='$d_sem'
d_sigsetjmp='$d_sigsetjmp'
d_socket='$d_socket'
d_sockpair='$d_sockpair'
-d_stat64='$d_stat64'
d_statblks='$d_statblks'
d_statfs='$d_statfs'
d_statfsflags='$d_statfsflags'
d_stdio_stream_array='$d_stdio_stream_array'
d_stdiobase='$d_stdiobase'
d_stdstdio='$d_stdstdio'
-d_store64='$d_store64'
d_strchr='$d_strchr'
d_strcoll='$d_strcoll'
d_strctcpy='$d_strctcpy'
d_strtod='$d_strtod'
d_strtol='$d_strtol'
d_strtoul='$d_strtoul'
+d_strtoull='$d_strtoull'
d_strxfrm='$d_strxfrm'
d_suidsafe='$d_suidsafe'
d_symlink='$d_symlink'
d_system='$d_system'
d_tcgetpgrp='$d_tcgetpgrp'
d_tcsetpgrp='$d_tcsetpgrp'
-d_telldir64='$d_telldir64'
d_telldir='$d_telldir'
d_telldirproto='$d_telldirproto'
d_time='$d_time'
d_times='$d_times'
-d_tmpfile64='$d_tmpfile64'
-d_truncate64='$d_truncate64'
d_truncate='$d_truncate'
d_tzname='$d_tzname'
d_umask='$d_umask'
rm='$rm'
rmail='$rmail'
runnm='$runnm'
+sPRIEldbl='$sPRIEldbl'
+sPRIFldbl='$sPRIFldbl'
+sPRIGldbl='$sPRIGldbl'
+sPRIX64='$sPRIX64'
+sPRId64='$sPRId64'
+sPRIeldbl='$sPRIeldbl'
+sPRIfldbl='$sPRIfldbl'
+sPRIgldbl='$sPRIgldbl'
+sPRIi64='$sPRIi64'
+sPRIo64='$sPRIo64'
+sPRIu64='$sPRIu64'
+sPRIx64='$sPRIx64'
sched_yield='$sched_yield'
scriptdir='$scriptdir'
scriptdirexp='$scriptdirexp'
uniq='$uniq'
use64bits='$use64bits'
usedl='$usedl'
+uselongdouble='$uselongdouble'
usemultiplicity='$usemultiplicity'
usemymalloc='$usemymalloc'
usenm='$usenm'