# Yes, you may rip this off to use in other distribution packages. This
# script belongs to the public domain and cannot be copyrighted.
#
-# Note: this Configure script was generated automatically. Rather than
-# working with this copy of Configure, you may wish to get metaconfig.
-# The dist package (which contains metaconfig) is available via SVN:
-# svn co https://svn.code.sf.net/p/dist/code/trunk/dist
+# Note: this Configure script was generated automatically by the tool
+# called "metaconfig". Rather than working with this copy of Configure,
+# you may wish to get metaconfig. Perl uses a modified version of this
+# tool, available in the "dist" folder in the checkout of the git repo
+# $ git clone git://perl5.git.perl.org/metaconfig.git metaconfig
+# The original dist package (including metaconfig) is available via SVN:
+# $ svn co https://svn.code.sf.net/p/dist/code/trunk/dist
#
# Though this script was generated by metaconfig from metaunits, it is
# OK to send patches against Configure itself. It's up to the Configure
# $ git clone git://perl5.git.perl.org/metaconfig.git metaconfig
#
# See Porting/pumpkin.pod for more information on metaconfig.
-#
# Generated using [metaconfig 3.5 PL0]
# (with additional metaconfig patches by perlbug@perl.org)
exit 1
fi
-if test ! -c /dev/null ; then
+if test -f /sys/utilities/MultiView ; then
+ # AmigaOS, test -c for /dev/null is not useful
+ :
+elif test ! -c /dev/null ; then
cat <<EOF
***
*** I'm sorry, but /dev/null appears to be a file rather than a device.
d__fwalk=''
d_access=''
d_accessx=''
+d_acosh=''
d_aintl=''
d_alarm=''
asctime_r_proto=''
d_asctime_r=''
+d_asinh=''
+d_atanh=''
d_attribute_deprecated=''
d_attribute_format=''
d_attribute_malloc=''
d_casti32=''
castflags=''
d_castneg=''
+d_cbrt=''
d_chown=''
d_chroot=''
d_chsize=''
d_void_closedir=''
d_cmsghdr_s=''
d_const=''
+d_copysign=''
d_copysignl=''
d_cplusplus=''
cryptlib=''
d_endsent=''
d_endservent_r=''
endservent_r_proto=''
+d_erf=''
+d_erfc=''
+d_exp2=''
+d_expm1=''
d_faststdio=''
d_fchdir=''
d_fchmod=''
d_fd_macros=''
d_fd_set=''
d_fds_bits=''
+d_fdclose=''
+d_fdim=''
+d_fegetround=''
d_fgetpos=''
d_finite=''
d_finitel=''
d_flexfnam=''
d_flock=''
d_flockproto=''
+d_fma=''
+d_fmax=''
+d_fmin=''
d_fork=''
d_fp_class=''
+d_fp_classl=''
d_fpclass=''
+d_fp_classify=''
d_fpclassify=''
d_fpclassl=''
+d_fpgetround=''
d_fpos64_t=''
d_frexpl=''
d_fs_data_s=''
gnulibc_version=''
d_hasmntopt=''
d_htonl=''
+d_hypot=''
+d_ilogb=''
d_ilogbl=''
d_inetaton=''
d_inetntop=''
d_isascii=''
d_isblank=''
d_isfinite=''
+d_isfinitel=''
d_isinf=''
+d_isinfl=''
+d_isless=''
d_isnan=''
d_isnanl=''
+d_isnormal=''
+d_j0=''
+d_j0l=''
d_killpg=''
+d_lc_monetary_2008=''
d_lchown=''
d_ldbl_dig=''
+d_lgamma=''
+d_lgamma_r=''
d_libm_lib_version=''
d_link=''
+d_llrint=''
+d_llrintl=''
+d_llround=''
+d_llroundl=''
d_localtime_r=''
d_localtime_r_needs_tzset=''
localtime_r_proto=''
d_locconv=''
d_lockf=''
+d_log1p=''
+d_log2=''
+d_logb=''
+d_ldexpl=''
d_longdbl=''
+longdblkind=''
longdblsize=''
d_longlong=''
longlongsize=''
+d_lrint=''
+d_lrintl=''
+d_lround=''
+d_lroundl=''
d_lseekproto=''
d_lstat=''
d_madvise=''
d_msgsnd=''
d_msync=''
d_munmap=''
+d_nan=''
+d_nearbyint=''
+d_nextafter=''
+d_nexttoward=''
d_nice=''
d_nl_langinfo=''
d_off64_t=''
d_readlink=''
d_readv=''
d_recvmsg=''
+d_re_comp=''
+d_regcmp=''
+d_regcomp=''
+d_remainder=''
+d_remquo=''
d_rename=''
+d_rint=''
d_rmdir=''
+d_round=''
d_safebcpy=''
d_safemcpy=''
d_sanemcmp=''
d_sbrkproto=''
+d_scalbn=''
d_scalbnl=''
d_select=''
d_sem=''
d_shmdt=''
d_shmget=''
d_sigaction=''
+d_siginfo_si_errno=''
+d_siginfo_si_pid=''
+d_siginfo_si_uid=''
+d_siginfo_si_addr=''
+d_siginfo_si_status=''
+d_siginfo_si_band=''
+d_siginfo_si_value=''
d_signbit=''
d_sigprocmask=''
d_sigsetjmp=''
srandom_r_proto=''
d_sresgproto=''
d_sresuproto=''
+d_stat=''
d_statblks=''
d_statfs_f_flags=''
d_statfs_s=''
d_tcgetpgrp=''
d_tcsetpgrp=''
d_telldirproto=''
+d_tgamma=''
d_time=''
timetype=''
d_asctime64=''
d_times=''
d_tmpnam_r=''
tmpnam_r_proto=''
+d_trunc=''
d_truncate=''
+d_truncl=''
d_ttyname_r=''
ttyname_r_proto=''
d_tzname=''
i_dlfcn=''
i_execinfo=''
i_fcntl=''
+i_fenv=''
i_float=''
i_fp=''
i_fp_class=''
d_pwpasswd=''
d_pwquota=''
i_pwd=''
+i_quadmath=''
i_shadow=''
i_socks=''
i_stdbool=''
i_stddef=''
+i_stdint=''
i_stdlib=''
i_string=''
strings=''
d_inc_version_list=''
inc_version_list=''
inc_version_list_init=''
+doubleinfbytes=''
+doublenanbytes=''
+longdblinfbytes=''
+longdblnanbytes=''
installprefix=''
installprefixexp=''
installstyle=''
d_PRIfldbl=''
d_PRIgldbl=''
d_SCNfldbl=''
+doublekind=''
sPRIEUldbl=''
sPRIFUldbl=''
sPRIGUldbl=''
man3dir=''
man3direxp=''
man3ext=''
+doublemantbits=''
+longdblmantbits=''
+nvmantbits=''
modetype=''
multiarch=''
mydomain=''
usenm=''
usensgetexecutablepath=''
useperlio=''
+usequadmath=''
usesocks=''
d_oldpthreads=''
use5005threads=''
: set usesocks on the Configure command line to enable socks.
: List of libraries we want.
: If anyone needs extra -lxxx, put those in a hint file.
-libswanted="socket bind inet nsl nm ndbm gdbm dbm db malloc dl ld sun"
-libswanted="$libswanted m crypt sec util c cposix posix ucb bsd BSD"
+libswanted="cl pthread socket bind inet nsl ndbm gdbm dbm db malloc dl ld"
+libswanted="$libswanted sun m crypt sec util c cposix posix ucb bsd BSD"
: We probably want to search /usr/shlib before most other libraries.
: This is only used by the lib/ExtUtils/MakeMaker.pm routine extliblist.
glibpth=`echo " $glibpth " | sed -e 's! /usr/shlib ! !'`
error=''
silent=''
extractsh=''
-override=''
knowitall=''
rm -f optdef.sh posthint.sh
cat >optdef.sh <<EOS
-s) shift; silent=true; realsilent=true;;
-E) shift; alldone=exit;;
-K) shift; knowitall=true;;
- -O) shift; override=true;;
+ -O) shift;;
-S) shift; silent=true; extractsh=true;;
-D)
shift
-Dprefix=/opt/perl5 choose your destination
-E : stop at the end of questions, after having produced config.sh.
-K : do not use unless you know what you are doing.
- -O : let -D and -U override definitions from loaded configuration file.
+ -O : ignored for backward compatibility
-S : perform variable substitutions on all .SH files (can mix with -f)
-U : undefine symbol:
-U symbol symbol gets the value 'undef'
: run the defines and the undefines, if any, but leave the file out there...
touch optdef.sh
+grep '\\' optdef.sh >/dev/null 2>&1
+if test $? = 0; then
+ echo "Configure does not support \\ in -D arguments"
+ exit 1
+fi
. ./optdef.sh
: create the posthint manipulation script and leave the file out there...
touch posthint.sh
package='perl5'
first=`echo $package | sed -e 's/^\(.\).*/\1/'`
last=`echo $package | sed -e 's/^.\(.*\)/\1/'`
-case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
-ABYZ) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;;
+case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`"-"`echo AbyZ | tr '[:upper:]' '[:lower:]' 2>/dev/null`" in
+ABYZ-abyz) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;;
*) spackage=`echo $first | tr '[a-z]' '[A-Z]'`$last;;
esac
echo "Fetching answers from $config_sh..."
cd ..
. $config_sh
- test "$override" && . ./optdef.sh
+ . UU/optdef.sh
echo " "
. UU/extract
rm -rf UU
# The most common problem is -D_REENTRANT for threads.
# This heuristic catches that case, but gets false positives
# if -Dusethreads was not actually specified. Better to
- # bail out here with a useful message than fail
+ # bail out here with a useful message than fail
# mysteriously later. Should we perhaps just try to
# re-invoke Configure -Dcc=gcc config_args ?
if $test -f usethreads.cbu; then
- $cat >&4 <<EOM
+ $cat >&4 <<EOM
*** However, any setting of the C compiler flags (e.g. for thread support)
*** will be lost. It may be necessary for you to restart Configure and
echo "Cannot find myread, sorry. Aborting." >&2
exit 1
fi
- fi
+ fi
case "$ans" in
[yY]*) cc=gcc; ccname=gcc; ccflags=''; despair=no;
esac
$startsh
EOS
cat <<'EOSC' >>checkcc
-case "$cc" in
+case "$cc" in
'') ;;
-*) $rm -f try try.*
+*) $rm -f try try.*
$cat >try.c <<EOM
int main(int argc, char *argv[]) {
return 0;
if $test X"$despair" = Xyes; then
echo "Uh-oh, the C compiler '$cc' doesn't seem to be working." >&4
fi
- $cat >&4 <<EOM
+ $cat >&4 <<EOM
You need to find a working C compiler.
Either (purchase and) install the C compiler supplied by your OS vendor,
or for a free C compiler try http://gcc.gnu.org/
*) case "$lns:$issymlink" in
*"ln"*" -s:"*"test -"?)
echo "Creating the symbolic links..." >&4
- echo "(First creating the subdirectories...)" >&4
cd ..
- awk '{print $1}' $src/MANIFEST | grep / | sed 's:/[^/]*$::' | sort -u | while true; do
- read directory
- test -z "$directory" && break
- mkdir -p $directory
- done
+ awk '{print $1}' $src/MANIFEST | sed -e 's:/\([^/]*\)$: \1:' |
+ awk 'NF == 1 {
+ dir=".";
+ file=$1 "";
+ }
+ NF == 2 {
+ dir=$1 "";
+ file=$2 "";
+ }
+ {
+ print "# dir = ", dir, "file = ", file
+ mf[dir] = mf[dir]" "source"/"dir"/"file;
+ } END {
+ for (d in mf) {
+ if (d != ".") { print("mkdir -p "d) }
+ print("ln -sf "mf[d]" "d);
+ }
+ }' source="$src" > UU/mksymlinks.$$
+ sh UU/mksymlinks.$$
+ rm UU/mksymlinks.$$
# Sanity check 1.
if test ! -d t/base; then
echo "Failed to create the subdirectories. Aborting." >&4
exit 1
fi
- echo "(Then creating the symlinks...)" >&4
- awk '{print $1}' $src/MANIFEST | while true; do
- read filename
- test -z "$filename" && break
- if test -f $filename; then
- if $issymlink $filename; then
- rm -f $filename
- fi
- fi
- if test -f $filename; then
- echo "$filename already exists, not symlinking."
- else
- ln -s $src/$filename $filename
- fi
- done
# Sanity check 2.
if test ! -f t/base/lex.t; then
echo "Failed to create the symlinks (t/base/lex.t missing). Aborting." >&4
exit 1
fi
+ if test ! -f win32/win32.c; then
+ echo "Failed to create the symlinks (win32/win32.c missing). Aborting." >&4
+ exit 1
+ fi
cd UU
;;
*) echo "(I cannot figure out how to do symbolic links, ignoring mksymlinks)." >&4
: see whether [:lower:] and [:upper:] are supported character classes
echo " "
-case "`echo AbyZ | $tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
-ABYZ)
+case "`echo AbyZ | $tr '[:lower:]' '[:upper:]' 2>/dev/null`"-"`echo AbyZ | $tr '[:upper:]' '[:lower:]' 2>/dev/null`" in
+ABYZ-abyz)
echo "Good, your tr supports [:lower:] and [:upper:] to convert case." >&4
up='[:upper:]'
low='[:lower:]'
$test -f /bin/mips && /bin/mips && osname=mips
$test -d /usr/apollo/bin && osname=apollo
$test -f /etc/saf/_sactab && osname=svr4
- $test -d /usr/include/minix && osname=minix
+ $test -d /usr/include/minix && osname=minix && osvers=`$uname -r`
$test -f /system/gnu_library/bin/ar.pm && osname=vos
+ $test -f /sys/utilities/MultiView && osname=amigaos
if $test -d /MachTen -o -d /MachTen_Folder; then
osname=machten
if $test -x /sbin/version; then
hint=previous
;;
esac
-test "$override" && . ./optdef.sh
+. ./optdef.sh
: Restore computed paths
for file in $loclist $trylist; do
dos|vms)
: XXX Should be a Configure test for double-dots in filenames.
version=`echo $revision $patchlevel $subversion | \
- $awk '{ printf "%d_%d_%d\n", $1, $2, $3 }'`
+ $awk '{ printf "%d_%d_%d", $1, $2, $3 }'`
api_versionstring=`echo $api_revision $api_version $api_subversion | \
- $awk '{ printf "%d_%d_%d\n", $1, $2, $3 }'`
+ $awk '{ printf "%d_%d_%d", $1, $2, $3 }'`
;;
*)
version=`echo $revision $patchlevel $subversion | \
- $awk '{ printf "%d.%d.%d\n", $1, $2, $3 }'`
+ $awk '{ printf "%d.%d.%d", $1, $2, $3 }'`
api_versionstring=`echo $api_revision $api_version $api_subversion | \
- $awk '{ printf "%d.%d.%d\n", $1, $2, $3 }'`
+ $awk '{ printf "%d.%d.%d", $1, $2, $3 }'`
;;
esac
: Special case the 5.005_xx maintenance series, which used 5.005
esac
fi
+: Check if quadmath is requested
+case "$usequadmath" in
+"$define"|true|[yY]*) usequadmath="$define" ;;
+*) usequadmath="$undef" ;;
+esac
+
: Looking for optional libraries
echo " "
echo "Checking for optional libraries..." >&4
case "$usecbacktrace" in
"$define") libswanted="$libswanted bfd" ;;
esac
+case "$usequadmath" in
+"$define") libswanted="$libswanted quadmath" ;;
+esac
libsfound=''
libsfiles=''
libsdirs=''
xxx=`ls $thisdir/lib$thislib.$so.[0-9] 2>/dev/null|sed -n '$p'`
$test -f "$xxx" && eval $libscheck
$test -f "$xxx" && libstyle=shared
+ xxx=`ls $thisdir/lib$thislib.[0-9].$so 2>/dev/null|sed -n '$p'`
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle=shared
fi
if test ! -f "$xxx"; then
xxx=$thisdir/lib$thislib.$so
# is to add the flag to the flags passed to the compiler at link time,
# as that way the compiler can do the right implementation dependant
# thing. (NWC)
- case "$gccversion" in
- ?*) set stack-protector -fstack-protector
- eval $checkccflag
+ case "$osname" in
+ amigaos) ;; # -fstack-protector builds but doesn't work
+ *) case "$gccversion" in
+ ?*) set stack-protector-strong -fstack-protector-strong
+ eval $checkccflag
+ case "$dflt" in
+ *-fstack-protector-strong*) ;; # It got added.
+ *) # Try the plain/older -fstack-protector.
+ set stack-protector -fstack-protector
+ eval $checkccflag
+ ;;
+ esac
+ ;;
+ esac
;;
esac
;;
: the following weeds options from ccflags that are of no interest to cpp
case "$cppflags" in
'') cppflags="$ccflags" ;;
-*) cppflags="$cppflags $ccflags" ;;
+*) set X $ccflags; shift
+ case " $cppflags " in
+ *" $1 "*) ;; # Try to avoid doubling the cppflags.
+ *) cppflags="$cppflags $ccflags" ;;
+ esac
+ ;;
esac
case "$gccversion" in
1*) cppflags="$cppflags -D__GNUC__"
esac
# See note above about -fstack-protector
case "$ccflags" in
+*-fstack-protector-strong*)
+ case "$dflt" in
+ *-fstack-protector-strong*) ;; # Don't add it again
+ *) dflt="$dflt -fstack-protector-strong" ;;
+ esac
+ ;;
*-fstack-protector*)
case "$dflt" in
*-fstack-protector*) ;; # Don't add it again
echo " "
echo "Computing filename position in cpp output for #include directives..." >&4
case "$osname" in
+amigaos) fieldn=3 ;; # Workaround for a bug in abc (pdksh).
+esac
+case "$fieldn" in
+'')
+case "$osname" in
vos) testaccess=-e ;;
*) testaccess=-r ;;
esac
chmod +x fieldn
fieldn=`./fieldn`
$rm -f foo.c fieldn
+;;
+esac
case $fieldn in
'') pos='???';;
1) pos=first;;
;;
esac
-: check for length of double
+: Check if we are using the GNU C library
echo " "
-case "$doublesize" in
-'')
- echo "Checking to see how big your double precision numbers are..." >&4
- $cat >try.c <<EOCP
+echo "Checking for GNU C Library..." >&4
+cat >try.c <<'EOCP'
+/* Find out version of GNU C library. __GLIBC__ and __GLIBC_MINOR__
+ alone are insufficient to distinguish different versions, such as
+ 2.0.6 and 2.0.7. The function gnu_get_libc_version() appeared in
+ libc version 2.1.0. A. Dougherty, June 3, 2002.
+*/
#include <stdio.h>
-#$i_stdlib I_STDLIB
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-int main()
+int main(void)
{
- printf("%d\n", (int)sizeof(double));
- exit(0);
+#ifdef __GLIBC__
+# ifdef __GLIBC_MINOR__
+# if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 && !defined(__cplusplus)
+# include <gnu/libc-version.h>
+ printf("%s\n", gnu_get_libc_version());
+# else
+ printf("%d.%d\n", __GLIBC__, __GLIBC_MINOR__);
+# endif
+# else
+ printf("%d\n", __GLIBC__);
+# endif
+ return 0;
+#else
+ return 1;
+#endif
}
EOCP
- set try
- if eval $compile_ok; then
- doublesize=`$run ./try`
- echo "Your double is $doublesize bytes long."
- else
- dflt='8'
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of a double precision number (in bytes)?"
- . ./myread
- doublesize="$ans"
- fi
- ;;
-esac
-$rm_try
-
-: check for long doubles
-echo " "
-echo "Checking to see if you have long double..." >&4
-echo 'int main() { long double x = 7.0; }' > try.c
set try
-if eval $compile; then
+if eval $compile_ok && $run ./try > glibc.ver; then
val="$define"
- echo "You have long double."
+ gnulibc_version=`$cat glibc.ver`
+ echo "You are using the GNU C Library version $gnulibc_version"
else
val="$undef"
- echo "You do not have long double."
+ gnulibc_version=''
+ echo "You are not using the GNU C Library"
fi
-$rm_try
-set d_longdbl
+$rm_try glibc.ver
+set d_gnulibc
eval $setvar
-: check for length of long double
-case "${d_longdbl}${longdblsize}" in
-$define)
- echo " "
- echo "Checking to see how big your long doubles are..." >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof(long double));
-}
-EOCP
- set try
- set try
- if eval $compile; then
- longdblsize=`$run ./try`
- echo "Your long doubles are $longdblsize bytes long."
- else
- dflt='8'
+: see if nm is to be used to determine whether a symbol is defined or not
+case "$usenm" in
+'')
+ dflt=''
+ case "$d_gnulibc" in
+ "$define")
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$longdblsize"; then
- echo "That isn't any different from an ordinary double."
- echo "I'll keep your setting anyway, but you may see some"
- echo "harmless compilation warnings."
- fi
+ echo "nm probably won't work on the GNU C Library." >&4
+ dflt=n
+ ;;
+ esac
+ case "$dflt" in
+ '')
+ if $test "$osname" = aix -a "X$PASE" != "Xdefine" -a ! -f /lib/syscalls.exp; then
+ echo " "
+ echo "Whoops! This is an AIX system without /lib/syscalls.exp!" >&4
+ echo "'nm' won't be sufficient on this system." >&4
+ dflt=n
+ fi
+ ;;
+ esac
+ case "$dflt" in
+ '') dflt=`$egrep 'inlibc|csym' $rsrc/Configure | wc -l 2>/dev/null`
+ if $test $dflt -gt 20; then
+ dflt=y
+ else
+ dflt=n
+ fi
+ ;;
+ esac
;;
-esac
-$rm_try
-
-: determine the architecture name
-echo " "
-if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
- tarch=`arch`"-$osname"
-elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
- if uname -m > tmparch 2>&1 ; then
- tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \
- -e 's/$/'"-$osname/" tmparch`
- else
- tarch="$osname"
- fi
- $rm -f tmparch
-else
- tarch="$osname"
-fi
-case "$myarchname" in
-''|"$tarch") ;;
*)
- echo "(Your architecture name used to be $myarchname.)"
- archname=''
+ case "$usenm" in
+ true|$define) dflt=y;;
+ *) dflt=n;;
+ esac
;;
esac
-case "$targetarch" in
-'') ;;
-*) archname=`echo $targetarch|sed 's,^[^-]*-,,'` ;;
-esac
-myarchname="$tarch"
-case "$archname" in
-'') dflt="$tarch";;
-*) dflt="$archname";;
-esac
-rp='What is your architecture name'
-. ./myread
-archname="$ans"
+$cat <<EOM
-: optionally add API version to the architecture for versioned archlibs
-case "$useversionedarchname" in
-$define|true|[yY]*) dflt='y';;
-*) dflt='n';;
-esac
-rp='Add the Perl API version to your archname?'
+I can use $nm to extract the symbols from your C libraries. This
+is a time consuming task which may generate huge output on the disk (up
+to 3 megabytes) but that should make the symbols extraction faster. The
+alternative is to skip 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 probably shouldn't let me use 'nm' if you are using the GNU C Library.
+
+EOM
+rp="Shall I use $nm to extract C symbols from the libraries?"
. ./myread
case "$ans" in
-y|Y) useversionedarchname="$define" ;;
-*) useversionedarchname="$undef" ;;
+[Nn]*) usenm=false;;
+*) usenm=true;;
esac
-case "$useversionedarchname" in
-$define)
- case "$archname" in
- *-$api_versionstring)
- echo "...and architecture name already has -$api_versionstring" >&4
- ;;
- *)
- archname="$archname-$api_versionstring"
- echo "...setting architecture name to $archname." >&4
- ;;
- esac
- ;;
+
+runnm=$usenm
+case "$reuseval" in
+true) runnm=false;;
esac
-case "$usethreads" in
-$define)
- echo "Threads selected." >&4
- case "$archname" in
- *-thread*) echo "...and architecture name already has -thread." >&4
- ;;
- *) archname="$archname-thread"
- echo "...setting architecture name to $archname." >&4
- ;;
- esac
- ;;
+: nm options which may be necessary
+case "$nm_opt" in
+'') if $test -f /mach_boot; then
+ nm_opt='' # Mach
+ elif $test -d /usr/ccs/lib; then
+ nm_opt='-p' # Solaris (and SunOS?)
+ elif $test -f /dgux; then
+ nm_opt='-p' # DG-UX
+ elif $test -f /lib64/rld; then
+ nm_opt='-p' # 64-bit Irix
+ else
+ nm_opt=''
+ fi;;
esac
-case "$usemultiplicity" in
-$define)
- echo "Multiplicity selected." >&4
- case "$archname" in
- *-multi*) echo "...and architecture name already has -multi." >&4
- ;;
- *) archname="$archname-multi"
- echo "...setting architecture name to $archname." >&4
- ;;
- esac
+
+: nm options which may be necessary for shared libraries but illegal
+: for archive libraries. Thank you, Linux.
+case "$nm_so_opt" in
+'') case "$myuname" in
+ *linux*|gnu*)
+ if $nm --help | $grep 'dynamic' > /dev/null 2>&1; then
+ nm_so_opt='--dynamic'
+ fi
+ ;;
+ esac
;;
esac
-case "$use64bitint$use64bitall" in
-*"$define"*)
- case "$archname64" in
- '')
- echo "This architecture is naturally 64-bit, not changing architecture name." >&4
- ;;
- *)
- case "$use64bitint" in
- "$define") echo "64 bit integers selected." >&4 ;;
- esac
- case "$use64bitall" in
- "$define") echo "Maximal 64 bitness selected." >&4 ;;
- esac
- case "$archname" in
- *-$archname64*) echo "...and architecture name already has $archname64." >&4
- ;;
- *) archname="$archname-$archname64"
- echo "...setting architecture name to $archname." >&4
- ;;
- esac
- ;;
+
+: Figure out where the libc is located
+case "$runnm" in
+true)
+: get list of predefined functions in a handy place
+echo " "
+case "$libc" in
+'') libc=unknown
+ case "$libs" in
+ *-lc_s*) libc=`./loc libc_s$_a $libc $libpth`
esac
+ ;;
esac
-case "$uselongdouble" in
-$define)
- echo "Long doubles selected." >&4
- case "$longdblsize" in
- $doublesize)
- echo "...but long doubles are equal to doubles, not changing architecture name." >&4
+case "$libs" in
+'') ;;
+*) for thislib in $libs; do
+ case "$thislib" in
+ -lc|-lc_s)
+ : Handle C library specially below.
;;
- *)
- case "$archname" in
- *-ld*) echo "...and architecture name already has -ld." >&4
- ;;
- *) archname="$archname-ld"
- echo "...setting architecture name to $archname." >&4
- ;;
- esac
+ -l*)
+ thislib=`echo $thislib | $sed -e 's/^-l//'`
+ if try=`./loc lib$thislib.$so.'*' X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc lib$thislib$_a X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc $thislib$_a X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc $thislib X $libpth`; $test -f "$try"; then
+ :
+ elif try=`./loc Slib$thislib$_a X $xlibpth`; $test -f "$try"; then
+ :
+ else
+ try=''
+ fi
+ libnames="$libnames $try"
;;
+ *) libnames="$libnames $thislib" ;;
esac
+ done
;;
esac
-if $test -f archname.cbu; then
- echo "Your platform has some specific hints for architecture name, using them..."
- . ./archname.cbu
-fi
-
-: set the prefixit variable, to compute a suitable default value
-prefixit='case "$3" in
-""|none)
- case "$oldprefix" in
- "") eval "$1=\"\$$2\"";;
- *)
- case "$3" in
- "") eval "$1=";;
- none)
- eval "tp=\"\$$2\"";
- case "$tp" in
- ""|" ") eval "$1=\"\$$2\"";;
- *) eval "$1=";;
- esac;;
- esac;;
- esac;;
+xxx=normal
+case "$libc" in
+unknown)
+ 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 ' ' $trnl | egrep -v '\.[A-Za-z]*$' | $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 $sysroot/usr/ccs/lib/libc.$so
+ $test -r $1 || set $sysroot/lib/libsys_s$_a
+ ;;
*)
- eval "tp=\"$oldprefix-\$$2-\""; eval "tp=\"$tp\"";
- case "$tp" in
- --|/*--|\~*--) eval "$1=\"$prefix/$3\"";;
- /*-$oldprefix/*|\~*-$oldprefix/*)
- eval "$1=\`echo \$$2 | sed \"s,^$oldprefix,$prefix,\"\`";;
- *) eval "$1=\"\$$2\"";;
- esac;;
-esac'
-
-: determine installation style
-: For now, try to deduce it from prefix unless it is already set.
-: Reproduce behavior of 5.005 and earlier, maybe drop that in 5.7.
-case "$installstyle" in
-'') case "$prefix" in
- *perl*) dflt='lib';;
- *) dflt='lib/perl5' ;;
- esac
+ set blurfl
;;
-*) dflt="$installstyle" ;;
esac
-: Probably not worth prompting for this since we prompt for all
-: the directories individually, and the prompt would be too long and
-: confusing anyway.
-installstyle=$dflt
-
-: determine where public executables go
-echo " "
-set dflt bin bin
-eval $prefixit
-fn=d~
-rp='Pathname where the public executables will reside?'
-. ./getfile
-if $test "X$ansexp" != "X$binexp"; then
- installbin=''
+if $test -r "$1"; then
+ echo "Your (shared) C library seems to be in $1."
+ libc="$1"
+elif $test -r /lib/libc && $test -r /lib/clib; then
+ echo "Your C library seems to be in both /lib/clib and /lib/libc."
+ xxx=apollo
+ libc='/lib/clib /lib/libc'
+ if $test -r /lib/syslib; then
+ echo "(Your math library is in /lib/syslib.)"
+ libc="$libc /lib/syslib"
+ fi
+elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
+ echo "Your C library seems to be in $libc, as you said before."
+elif $test -r $incpath/usr/lib/libc$_a; then
+ libc=$incpath/usr/lib/libc$_a;
+ echo "Your C library seems to be in $libc. That's fine."
+elif $test -r /lib/libc$_a; then
+ libc=/lib/libc$_a;
+ echo "Your C library seems to be in $libc. You're normal."
+else
+ if tans=`./loc libc$_a blurfl/dyick $libpth`; $test -r "$tans"; then
+ :
+ elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then
+ libnames="$libnames "`./loc clib blurfl/dyick $libpth`
+ elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then
+ :
+ elif tans=`./loc Slibc$_a blurfl/dyick $xlibpth`; $test -r "$tans"; then
+ :
+ elif tans=`./loc Mlibc$_a blurfl/dyick $xlibpth`; $test -r "$tans"; then
+ :
+ else
+ tans=`./loc Llibc$_a blurfl/dyick $xlibpth`
+ fi
+ if $test -r "$tans"; then
+ echo "Your C library seems to be in $tans, of all places."
+ libc=$tans
+ else
+ libc='blurfl'
+ fi
fi
-prefixvar=bin
-: XXX Bug? -- ignores Configure -Dinstallprefix setting.
-: XXX If this is fixed, also fix the "start perl" hunk below, which relies on
-: this via initialinstalllocation
-. ./setprefixvar
-
-case "$userelocatableinc" in
-$define|true|[yY]*) dflt='y' ;;
-*) dflt='n' ;;
-esac
-cat <<EOM
+if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
+ dflt="$libc"
+ cat <<EOM
-Would you like to build Perl so that the installation is relocatable, so that
-library paths in @INC are determined relative to the path of the perl binary?
-This is not advised for system Perl installs, or if you need to run setid
-scripts or scripts under taint mode.
+If the guess above is wrong (which it might be if you're using a strange
+compiler, or your machine supports multiple models), you can override it here.
-If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
-rp='Use relocatable @INC?'
-. ./myread
-case "$ans" in
-y|Y) val="$define" ;;
-*) val="$undef" ;;
-esac
-set userelocatableinc
-eval $setvar
-
-initialinstalllocation="$binexp"
-: Default prefix is now "up one level from where the binaries are"
-case "$userelocatableinc" in
-$define|true|[yY]*)
- bin=".../"
- binexp=".../"
- prefix=".../.."
- prefixexp=".../.."
- installprefixexp=".../.."
- ;;
-esac
+else
+ dflt=''
+ echo $libpth | $tr ' ' $trnl | $sort | $uniq > libpath
+ cat >&4 <<EOM
+I can't seem to find your C library. I've looked in the following places:
-: determine where private library files go
-: Usual default is /usr/local/lib/perl5/$version.
-: Also allow things like /opt/perl/lib/$version, since
-: /opt/perl/lib/perl5... would be redundant.
-: The default "style" setting is made in installstyle.U
-case "$installstyle" in
-*lib/perl5*) set dflt privlib lib/$package/$version ;;
-*) set dflt privlib lib/$version ;;
-esac
-eval $prefixit
-$cat <<EOM
+EOM
+ $sed 's/^/ /' libpath
+ cat <<EOM
-There are some auxiliary files for $package that need to be put into a
-private library directory that is accessible by everyone.
+None of these seems to contain your C library. I need to get its name...
EOM
-fn=$binexp
-fn=d~+
-rp='Pathname where the private library files will reside?'
+fi
+fn=f
+rp='Where is your C library?'
. ./getfile
-prefixvar=privlib
-. ./setprefixvar
-
-: set the prefixup variable, to restore leading tilda escape
-prefixup='case "$prefixexp" in
-"$prefix") ;;
-*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
-esac'
+libc="$ans"
-: determine where public architecture dependent libraries go
-set archlib archlib
-eval $prefixit
-: privlib default is /usr/local/lib/$package/$version
-: archlib default is /usr/local/lib/$package/$version/$archname
-: privlib may have an optional trailing /share.
-tdflt=`echo $privlib | $sed 's,/share$,,'`
-tdflt=$tdflt/$archname
-case "$archlib" in
-'') dflt=$tdflt
- ;;
-*) dflt="$archlib"
- ;;
-esac
-$cat <<EOM
+echo " "
+echo $libc $libnames | $tr ' ' $trnl | $sort | $uniq > libnames
+set X `cat libnames`
+shift
+xxx=files
+case $# in 1) xxx=file; esac
+echo "Extracting names from the following $xxx for later perusal:" >&4
+echo " "
+$sed 's/^/ /' libnames >&4
+echo " "
+$echo $n "This may take a while...$c" >&4
-$spackage contains architecture-dependent library files. If you are
-sharing libraries in a heterogeneous environment, you might store
-these files in a separate location. Otherwise, you can just include
-them with the rest of the public library files.
+for file in $*; do
+ case $file in
+ *$so*) $nm $nm_so_opt $nm_opt $file 2>/dev/null;;
+ *) $nm $nm_opt $file 2>/dev/null;;
+ esac
+done >libc.tmp
-EOM
-fn=$binexp
-fn=d+~
-rp='Where do you want to put the public architecture-dependent libraries?'
-. ./getfile
-prefixvar=archlib
-. ./setprefixvar
-if $test X"$archlib" = X"$privlib"; then
- d_archlib="$undef"
+$echo $n ".$c"
+$grep fprintf libc.tmp > libc.ptf
+xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
+xrun='eval "<libc.tmp $com >libc.list"; echo "done." >&4'
+xxx='[ADTSIWi]'
+if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \
+ -e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^.*|Proc .*|Text *| *//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="$sed -n -e 's/.*\.text n\ \ \ \.//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
+elif com="sed -n -e 's/^__.*//' -e 's/[ ]*D[ ]*[0-9]*.*//p'";\
+ eval $xscan;\
+ $contains '^fprintf$' libc.list >/dev/null 2>&1; then
+ eval $xrun
else
- d_archlib="$define"
-fi
-
-: see if setuid scripts can be secure
-$cat <<EOM
-
-Some kernels have a bug that prevents setuid #! scripts from being
-secure. Some sites have disabled setuid #! scripts because of this.
-
-First let's decide if your kernel supports secure setuid #! scripts.
-(If setuid #! scripts would be secure but have been disabled anyway,
-don't say that they are secure if asked.)
-
-EOM
-
-val="$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"
+ $nm -p $* 2>/dev/null >libc.tmp
+ $grep fprintf libc.tmp > libc.ptf
+ if com="$sed -n -e 's/^.* [ADTSIW] *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\
+ eval $xscan; $contains '^fprintf$' libc.list >/dev/null 2>&1
+ then
+ nm_opt='-p'
+ eval $xrun
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 $contains "/dev/fd" flect >/dev/null; then
- echo "Okay, it looks like setuid scripts are secure." >&4
- dflt=y
+ echo " "
+ echo "$nm didn't seem to work right. Trying $ar instead..." >&4
+ com=''
+ if $ar t $libc > libc.tmp && \
+ $contains '^fprintf$' libc.tmp >/dev/null 2>&1
+ then
+ for thisname in $libnames $libc; do
+ $ar t $thisname >>libc.tmp
+ done
+ $sed -e "s/\\$_o\$//" < libc.tmp > libc.list
+ echo "Ok." >&4
+ elif test "X$osname" = "Xos2" && $ar tv $libc > libc.tmp; then
+ for thisname in $libnames $libc; do
+ $ar tv $thisname >>libc.tmp
+ emximp -o tmp.imp $thisname \
+ 2>/dev/null && \
+ $sed -e 's/^\([_a-zA-Z0-9]*\) .*$/\1/p' \
+ < tmp.imp >>libc.tmp
+ $rm -f tmp.imp
+ done
+ $sed -e "s/\\$_o\$//" -e 's/^ \+//' < libc.tmp > libc.list
+ echo "Ok." >&4
+ else
+ echo "$ar didn't seem to work right." >&4
+ echo "Maybe this is a Cray...trying bld instead..." >&4
+ if bld t $libc | \
+ $sed -e 's/.*\///' -e "s/\\$_o:.*\$//" > libc.list &&
+ $test -s libc.list
+ then
+ for thisname in $libnames; do
+ bld t $libnames | \
+ $sed -e 's/.*\///' -e "s/\\$_o:.*\$//" >>libc.list
+ $ar t $thisname >>libc.tmp
+ done
+ echo "Ok." >&4
else
- echo "I don't think setuid scripts are secure." >&4
- dflt=n
+ echo "That didn't work either. Giving up." >&4
+ exit 1
fi
- ;;
- esac
- rp='Does your kernel have *secure* setuid scripts?'
- . ./myread
- case "$ans" in
- [yY]*) val="$define";;
- *) val="$undef";;
- esac
+ fi
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 $setvar
+nm_extract="$com"
+case "$PASE" in
+define)
+ echo " "
+ echo "Since you are compiling for PASE, extracting more symbols from libc.a ...">&4
+ dump -Tv /lib/libc.a | awk '$7 == "/unix" {print $5 " " $8}' | grep "^SV" | awk '{print $2}' >> libc.list
+ ;;
+*) if $test -f /lib/syscalls.exp; then
+ echo " "
+ echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4
+ $sed -n 's/^\([^ ]*\)[ ]*syscall[0-9]*[ ]*$/\1/p' \
+ /lib/syscalls.exp >>libc.list
+ fi
+ ;;
+esac
+;;
+esac
+$rm -f libnames libpath
-$rm -f reflect flect
-
-: now see if they want to do setuid emulation
-if $test $patchlevel -lt 11; then
+: Check if we are using C++
echo " "
-val="$undef"
-case "$d_suidsafe" in
-"$define")
+echo "Checking for C++..." >&4
+$cat >try.c <<'EOCP'
+#include <stdio.h>
+int main(void)
+{
+#ifdef __cplusplus
+ return 0;
+#else
+ return 1;
+#endif
+}
+EOCP
+set try
+if eval $compile_ok && $run ./try; then
+ val="$define"
+ echo "You are using a C++ compiler."
+else
val="$undef"
- echo "No need to emulate SUID scripts since they are secure here." >&4
+ echo "You are not using a C++ compiler."
+fi
+$rm_try cplusplus$$
+set d_cplusplus
+eval $setvar
+
+: is a C symbol defined?
+csym='tlook=$1;
+case "$3" in
+-v) tf=libc.tmp; tdc="";;
+-a) tf=libc.tmp; tdc="[]";;
+*) tlook="^$1\$"; tf=libc.list; tdc="()";;
+esac;
+case "$d_cplusplus" in
+ $define) extern_C="extern \"C\"" ;;
+ *) extern_C="extern" ;;
+esac;
+tx=yes;
+case "$reuseval-$4" in
+true-) ;;
+true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;;
+esac;
+case "$tx" in
+yes)
+ tval=false;
+ if $test "$runnm" = true; then
+ if $contains $tlook $tf >/dev/null 2>&1; then
+ tval=true;
+ elif $test "$mistrustnm" = compile -o "$mistrustnm" = run; then
+ echo "$extern_C void *$1$tdc; void *(*(p()))$tdc { return &$1; } int main() { if(p() && p() != (void *)main) return(0); else return(1); }"> try.c;
+ $cc -o try $optimize $ccflags $ldflags try.c >/dev/null 2>&1 $libs && tval=true;
+ $test "$mistrustnm" = run -a -x try && { $run ./try$_exe >/dev/null 2>&1 || tval=false; };
+ $rm_try;
+ fi;
+ else
+ echo "$extern_C void *$1$tdc; void *(*(p()))$tdc { return &$1; } int main() { if(p() && p() != (void *)main) return(0); else return(1); }"> try.c;
+ $cc -o try $optimize $ccflags $ldflags try.c $libs >/dev/null 2>&1 && tval=true;
+ $rm_try;
+ fi;
;;
*)
- $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
+ case "$tval" in
+ $define) tval=true;;
+ *) tval=false;;
+ esac;
;;
-esac
-set d_dosuid
-eval $setvar
-else
- case "$d_dosuid" in
- "$define")
- cat >&4 <<EOH
-
-SUID emulation has been removed for 5.12
-Please re-run Configure without -Dd_dosuid
+esac;
+eval "$2=$tval"'
-EOH
- exit 1;
- ;;
- esac
- d_dosuid=undef
-fi
+: define an is-in-libc? function
+inlibc='echo " "; td=$define; tu=$undef;
+sym=$1; var=$2; eval "was=\$$2";
+tx=yes;
+case "$reuseval$was" in
+true) ;;
+true*) tx=no;;
+esac;
+case "$tx" in
+yes)
+ set $sym tres -f;
+ eval $csym;
+ case "$tres" in
+ true)
+ echo "$sym() found." >&4;
+ case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";;
+ *)
+ echo "$sym() NOT found." >&4;
+ case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";;
+ esac;;
+*)
+ case "$was" in
+ $define) echo "$sym() found." >&4;;
+ *) echo "$sym() NOT found." >&4;;
+ esac;;
+esac'
-: Find perl5.005 or later.
-echo "Looking for a previously installed perl5.005 or later... "
-case "$perl5" in
-'') for tdir in `echo "$binexp$path_sep$PATH" | $sed "s/$path_sep/ /g"`; do
- : Check if this perl is recent and can load a simple module
- if $test -x $tdir/perl$exe_ext && $tdir/perl -Mless -e 'use 5.005;' >/dev/null 2>&1; then
- perl5=$tdir/perl
- break;
- elif $test -x $tdir/perl5$exe_ext && $tdir/perl5 -Mless -e 'use 5.005;' >/dev/null 2>&1; then
- perl5=$tdir/perl5
- break;
- fi
- done
- ;;
-*) perl5="$perl5"
+: check for length of double
+echo " "
+case "$doublesize" in
+'')
+ echo "Checking to see how big your double precision numbers are..." >&4
+ $cat >try.c <<EOCP
+#include <stdio.h>
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+int main()
+{
+ printf("%d\n", (int)sizeof(double));
+ exit(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ doublesize=`$run ./try`
+ echo "Your double is $doublesize bytes long."
+ else
+ dflt='8'
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of a double precision number (in bytes)?"
+ . ./myread
+ doublesize="$ans"
+ fi
;;
esac
-case "$perl5" in
-'') echo "None found. That's ok.";;
-*) echo "Using $perl5." ;;
-esac
-
-: Set the siteprefix variables
-$cat <<EOM
+$rm_try
-After $package is installed, you may wish to install various
-add-on modules and utilities. Typically, these add-ons will
-be installed under $prefix with the rest
-of this package. However, you may wish to install such add-ons
-elsewhere under a different prefix.
+: see if this is a float.h system
+set float.h i_float
+eval $inhdr
-If you do not wish to put everything under a single prefix, that's
-ok. You will be prompted for the individual locations; this siteprefix
-is only used to suggest the defaults.
+: check for long doubles
+echo " "
+echo "Checking to see if you have long double..." >&4
+echo 'int main() { long double x = 7.0; }' > try.c
+set try
+if eval $compile; then
+ val="$define"
+ echo "You have long double."
+else
+ val="$undef"
+ echo "You do not have long double."
+fi
+$rm_try
+set d_longdbl
+eval $setvar
-The default should be fine for most people.
+: see if ldexpl exists
+set ldexpl d_ldexpl
+eval $inlibc
-EOM
-fn=d~+
-rp='Installation prefix to use for add-on modules and utilities?'
-: XXX Here might be another good place for an installstyle setting.
-case "$siteprefix" in
-'') dflt=$prefix ;;
-*) dflt=$siteprefix ;;
+: check for length of long double
+case "${d_longdbl}${longdblsize}" in
+$define)
+ echo " "
+ echo "Checking to see how big your long doubles are..." >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", sizeof(long double));
+}
+EOCP
+ set try
+ set try
+ if eval $compile; then
+ longdblsize=`$run ./try`
+ echo "Your long doubles are $longdblsize bytes long."
+ else
+ dflt='8'
+ echo " "
+ echo "(I can't seem to compile the test program. Guessing...)" >&4
+ rp="What is the size of a long double (in bytes)?"
+ . ./myread
+ longdblsize="$ans"
+ fi
+ if $test "X$doublesize" = "X$longdblsize"; then
+ echo "That isn't any different from an ordinary double."
+ echo "I'll keep your setting anyway, but you may see some"
+ echo "harmless compilation warnings."
+ fi
+ ;;
esac
-. ./getfile
-: XXX Prefixit unit does not yet support siteprefix and vendorprefix
-oldsiteprefix=''
-case "$siteprefix" in
-'') ;;
-*) case "$ans" in
- "$prefix") ;;
- *) oldsiteprefix="$prefix";;
- esac
- ;;
-esac
-siteprefix="$ans"
-siteprefixexp="$ansexp"
-
-: determine where site specific libraries go.
-: Usual default is /usr/local/lib/perl5/site_perl/$version
-: The default "style" setting is made in installstyle.U
-: XXX No longer works with Prefixit stuff.
-prog=`echo $package | $sed 's/-*[0-9.]*$//'`
-case "$sitelib" in
-'') case "$installstyle" in
- *lib/perl5*) dflt=$siteprefix/lib/$package/site_$prog/$version ;;
- *) dflt=$siteprefix/lib/site_$prog/$version ;;
- esac
- ;;
-*) dflt="$sitelib"
- ;;
-esac
-$cat <<EOM
-
-The installation process will create a directory for
-site-specific extensions and modules. Most users find it convenient
-to place all site-specific files in this directory rather than in the
-main distribution directory.
-
-EOM
-fn=d~+
-rp='Pathname for the site-specific library files?'
-. ./getfile
-prefixvar=sitelib
-. ./setprefixvar
-sitelib_stem=`echo "$sitelibexp" | sed "s,/$version$,,"`
-
-: Determine list of previous versions to include in @INC
-$cat > getverlist <<EOPL
-#!$perl5 -w
-use File::Basename;
-\$api_versionstring = "$api_versionstring";
-\$version = "$version";
-\$stem = "$sitelib_stem";
-\$archname = "$archname";
-EOPL
- $cat >> getverlist <<'EOPL'
-# The list found is store twice for each entry: the original name, and
-# the binary broken down version as pack "sss", so sorting is easy and
-# unambiguous. This will work for all versions that have a maximum of
-# three digit groups, separate by '.'s or '_'s. Names are extended with
-# ".0.0" to ensure at least three elements for the pack.
-# -- H.Merijn Brand (m)'06 23-10-2006
-
-# Can't have leading @ because metaconfig interprets it as a command!
-;@inc_version_list=();
-# XXX Redo to do opendir/readdir?
-if (-d $stem) {
- chdir($stem);
- ;@candidates = map {
- [ $_, pack "sss", split m/[._]/, "$_.0.0" ] } glob("5.*");
- ;@candidates = sort { $a->[1] cmp $b->[1]} @candidates;
-}
-else {
- ;@candidates = ();
-}
+$rm_try
-($pversion, $aversion, $vsn5005) = map {
- pack "sss", split m/[._]/, "$_.0.0" } $version, $api_versionstring, "5.005";
-foreach $d (@candidates) {
- if ($d->[1] lt $pversion) {
- if ($d->[1] ge $aversion) {
- unshift(@inc_version_list, grep { -d } $d->[0]."/$archname", $d->[0]);
- }
- elsif ($d->[1] ge $vsn5005) {
- unshift(@inc_version_list, grep { -d } $d->[0]);
- }
- }
- else {
- # Skip newer version. I.e. don't look in
- # 5.7.0 if we're installing 5.6.1.
- }
+$echo "Checking the kind of long doubles you have..." >&4
+case "$d_longdbl" in
+define)
+$cat <<EOP >try.c
+#$i_float I_FLOAT
+#$i_stdlib I_STDLIB
+#define LONGDBLSIZE $longdblsize
+#define DOUBLESIZE $doublesize
+#ifdef I_FLOAT
+#include <float.h>
+#endif
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+static const long double d = -0.1L;
+int main() {
+ unsigned const char* b = (unsigned const char*)(&d);
+#if DOUBLESIZE == LONGDBLSIZE
+ printf("0\n"); /* if it floats like double */
+ exit(0);
+#endif
+#if (LDBL_MANT_DIG == 113 || FLT128_MANT_DIG == 113) && LONGDBLSIZE == 16
+ if (b[0] == 0x9A && b[1] == 0x99 && b[15] == 0xBF) {
+ /* IEEE 754 128-bit little-endian */
+ printf("1\n");
+ exit(0);
+ }
+ if (b[0] == 0xBF && b[14] == 0x99 && b[15] == 0x9A) {
+ /* IEEE 128-bit big-endian, e.g. solaris sparc */
+ printf("2\n");
+ exit(0);
+ }
+#endif
+/* For alignment 32-bit platforms have the 80 bits in 12 bytes,
+ * while 64-bits platforms have it in 16 bytes. The trailing bytes
+ * cannot be trusted. */
+#if LDBL_MANT_DIG == 64 && (LONGDBLSIZE == 16 || LONGDBLSIZE == 12)
+ if (b[0] == 0xCD && b[9] == 0xBF) {
+ /* x86 80-bit little-endian, sizeof 12 (ILP32, Solaris x86)
+ * or 16 (LP64, Linux and OS X), 4 or 6 bytes of padding.
+ * Also known as "extended precision". */
+ printf("3\n");
+ exit(0);
+ }
+ if (b[0] == 0xBF && b[9] == 0xCD) {
+ /* Is there ever big-endian 80-bit, really?
+ *
+ * The Motorola 68881 had another "extended precision" format:
+ * sign:1 exp:15 zero:16 integer:1 mantissa:63
+ * for total of 96 bits of bytes. The zero bits were unused.
+ * See "M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL" for more details.
+ * If it ever becomes relevant, this format should be allocated
+ * a new doublekind code since it's quite different from the Intel x87.
+ */
+ printf("4\n");
+ exit(0);
+ }
+#endif
+#if (LDBL_MANT_DIG == 106 || LDBL_MANT_DIG == 107) && LONGDBLSIZE == 16
+ /* software "double double", the 106 is 53+53.
+ * but irix thinks it is 107. */
+ if (b[0] == 0x9A && b[7] == 0x3C && b[8] == 0x9A && b[15] == 0xBF) {
+ /* double double 128-bit fully little-endian,
+ * little-endian doubles in little-endian order,
+ * 9a 99 99 99 99 99 59 3c 9a 99 99 99 99 99 b9 bf */
+ printf("5\n");
+ exit(0);
+ }
+ if (b[0] == 0xBF && b[7] == 0x9A && b[8] == 0x3C && b[15] == 0x9A) {
+ /* double double 128-bit fully big-endian,
+ * big-endian doubles in big-endian order,
+ * e.g. PPC/Power and MIPS:
+ * bf b9 99 99 99 99 99 9a 3c 59 99 99 99 99 99 9a */
+ printf("6\n");
+ exit(0);
+ }
+ if (b[0] == 0x9A && b[7] == 0xBF && b[8] == 0x9A && b[15] == 0x3C) {
+ /* double double 128-bit mixed endian.
+ * little-endian doubles in big-endian order,
+ * e.g. ppc64el,
+ * 9a 99 99 99 99 99 b9 bf 9a 99 99 99 99 99 59 3c */
+ printf("7\n");
+ exit(0);
+ }
+ if (b[0] == 0x3C && b[7] == 0x9A && b[8] == 0xBF && b[15] == 0x9A) {
+ /* double double 128-bit mixed endian,
+ * big-endian doubles in little-endian order,
+ * 3c 59 99 99 99 99 99 9a bf b9 99 99 99 99 99 9a */
+ printf("8\n");
+ exit(0);
+ }
+#endif
+ printf("-1\n"); /* unknown */
+ exit(0);
}
+EOP
+set try
+if eval $compile; then
+ longdblkind=`$run ./try`
+else
+ longdblkind=-1
+fi
+;;
+*) longdblkind=0 ;;
+esac
+case "$longdblkind" in
+0) echo "Your long doubles are doubles." >&4 ;;
+1) echo "You have IEEE 754 128-bit little endian long doubles." >&4 ;;
+2) echo "You have IEEE 754 128-bit big endian long doubles." >&4 ;;
+3) echo "You have x86 80-bit little endian long doubles." >& 4 ;;
+4) echo "You have x86 80-bit big endian long doubles." >& 4 ;;
+5) echo "You have 128-bit fully little-endian double-double long doubles (64-bit LEs in LE)." >& 4 ;;
+6) echo "You have 128-bit fully big-endian double-double long doubles (64-bit BEs in BE)." >& 4 ;;
+7) echo "You have 128-bit mixed double-double long doubles (64-bit LEs in BE)." >& 4 ;;
+8) echo "You have 128-bit mixed double-double long doubles (64-bit BEs in LE)." >& 4 ;;
+*) echo "Cannot figure out your long double." >&4 ;;
+esac
+$rm_try
-if (@inc_version_list) {
- print join(' ', @inc_version_list);
-}
-else {
- # Blank space to preserve value for next Configure run.
- print " ";
-}
-EOPL
-chmod +x getverlist
-case "$inc_version_list" in
-'') if test -x "$perl5$exe_ext"; then
- dflt=`$perl5 getverlist`
+: determine the architecture name
+echo " "
+if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
+ tarch=`arch`"-$osname"
+elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
+ if uname -m > tmparch 2>&1 ; then
+ tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \
+ -e 's/$/'"-$osname/" tmparch`
else
- dflt='none'
+ tarch="$osname"
fi
+ $rm -f tmparch
+else
+ tarch="$osname"
+fi
+case "$myarchname" in
+''|"$tarch") ;;
+*)
+ echo "(Your architecture name used to be $myarchname.)"
+ archname=''
;;
-$undef) dflt='none' ;;
-*) eval dflt=\"$inc_version_list\" ;;
esac
-case "$dflt" in
-''|' ') dflt=none ;;
+case "$targetarch" in
+'') ;;
+*) archname=`echo $targetarch|sed 's,^[^-]*-,,'` ;;
esac
-case "$dflt" in
-5.005) dflt=none ;;
+myarchname="$tarch"
+case "$archname" in
+'') dflt="$tarch";;
+*) dflt="$archname";;
esac
-$cat <<EOM
-
-In order to ease the process of upgrading, this version of perl
-can be configured to use modules built and installed with earlier
-versions of perl that were installed under $prefix. Specify here
-the list of earlier versions that this version of perl should check.
-If Configure detected no earlier versions of perl installed under
-$prefix, then the list will be empty. Answer 'none' to tell perl
-to not search earlier versions.
-
-The default should almost always be sensible, so if you're not sure,
-just accept the default.
-EOM
+rp='What is your architecture name'
+. ./myread
+archname="$ans"
-rp='List of earlier versions to include in @INC?'
+: optionally add API version to the architecture for versioned archlibs
+case "$useversionedarchname" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Add the Perl API version to your archname?'
. ./myread
case "$ans" in
-[Nn]one|''|' '|$undef) inc_version_list=' ' ;;
-*) inc_version_list="$ans" ;;
+y|Y) useversionedarchname="$define" ;;
+*) useversionedarchname="$undef" ;;
esac
-case "$inc_version_list" in
-''|' ')
- inc_version_list_init='0'
- d_inc_version_list="$undef"
- ;;
-*) inc_version_list_init=`echo $inc_version_list |
- $sed -e 's/^/"/' -e 's/ /","/g' -e 's/$/",0/'`
- d_inc_version_list="$define"
+case "$useversionedarchname" in
+$define)
+ case "$archname" in
+ *-$api_versionstring)
+ echo "...and architecture name already has -$api_versionstring" >&4
+ ;;
+ *)
+ archname="$archname-$api_versionstring"
+ echo "...setting architecture name to $archname." >&4
+ ;;
+ esac
;;
esac
-$rm -f getverlist
-
-: see if malloc/malloc.h has to be included
-set malloc/malloc.h i_mallocmalloc
-eval $inhdr
-
-: see if this is a malloc.h system
-: we want a real compile instead of Inhdr because some systems have a
-: malloc.h that just gives a compile error saying to use stdlib.h instead
-echo " "
-$cat >try.c <<EOCP
-#include <stdlib.h>
-#include <malloc.h>
-#$i_mallocmalloc I_MALLOCMALLOC
-#ifdef I_MALLOCMALLOC
-# include <malloc/malloc.h>
-#endif
-
-int main () { return 0; }
-EOCP
-set try
-if eval $compile; then
- echo "<malloc.h> found." >&4
- val="$define"
-else
- echo "<malloc.h> NOT found." >&4
- val="$undef"
-fi
-$rm_try
-set i_malloc
-eval $setvar
-: check for length of pointer
-echo " "
-case "$ptrsize" in
-'')
- echo "Checking to see how big your pointers are..." >&4
- $cat >>try.c <<EOCP
-#include <stdio.h>
-#$i_stdlib I_STDLIB
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-int main()
-{
- printf("%d\n", (int)sizeof(void *));
- exit(0);
-}
-EOCP
- set try
- if eval $compile_ok; then
- ptrsize=`$run ./try`
- echo "Your pointers are $ptrsize bytes long."
- else
- dflt='4'
- echo "(I can't seem to compile the test program. Guessing...)" >&4
- rp="What is the size of a pointer (in bytes)?"
- . ./myread
- ptrsize="$ans"
- fi
- ;;
-esac
-$rm_try
-case "$use64bitall" in
-"$define"|true|[yY]*)
- case "$ptrsize" in
- 4) cat <<EOM >&4
-
-*** You have chosen a maximally 64-bit build,
-*** but your pointers are only 4 bytes wide.
-*** Please rerun Configure without -Duse64bitall.
-EOM
- case "$d_quad" in
- define)
- cat <<EOM >&4
-*** Since you have quads, you could possibly try with -Duse64bitint.
-EOM
- ;;
- esac
- cat <<EOM >&4
-*** Cannot continue, aborting.
-
-EOM
-
- exit 1
+case "$usethreads" in
+$define)
+ echo "Threads selected." >&4
+ case "$archname" in
+ *-thread*) echo "...and architecture name already has -thread." >&4
+ ;;
+ *) archname="$archname-thread"
+ echo "...setting architecture name to $archname." >&4
;;
esac
;;
esac
-
-
-: determine whether to use malloc wrapping
-echo " "
-case "$usemallocwrap" in
-[yY]*|true|$define) dflt='y' ;;
-[nN]*|false|$undef) dflt='n' ;;
-*) case "$usedevel" in
- [yY]*|true|$define) dflt='y' ;;
- *) dflt='n' ;;
+case "$usemultiplicity" in
+$define)
+ echo "Multiplicity selected." >&4
+ case "$archname" in
+ *-multi*) echo "...and architecture name already has -multi." >&4
+ ;;
+ *) archname="$archname-multi"
+ echo "...setting architecture name to $archname." >&4
+ ;;
esac
;;
esac
-rp="Do you wish to wrap malloc calls to protect against potential overflows?"
-. ./myread
-usemallocwrap="$ans"
-case "$ans" in
-y*|true)
- usemallocwrap="$define" ;;
-*)
- usemallocwrap="$undef" ;;
+case "$use64bitint$use64bitall" in
+*"$define"*)
+ case "$archname64" in
+ '')
+ echo "This architecture is naturally 64-bit, not changing architecture name." >&4
+ ;;
+ *)
+ case "$use64bitint" in
+ "$define") echo "64 bit integers selected." >&4 ;;
+ esac
+ case "$use64bitall" in
+ "$define") echo "Maximal 64 bitness selected." >&4 ;;
+ esac
+ case "$archname" in
+ *-$archname64*) echo "...and architecture name already has $archname64." >&4
+ ;;
+ *) archname="$archname-$archname64"
+ echo "...setting architecture name to $archname." >&4
+ ;;
+ esac
+ ;;
+ esac
esac
-
-: determine which malloc to compile in
-echo " "
-case "$usemymalloc" in
-[yY]*|true|$define) dflt='y' ;;
-[nN]*|false|$undef) dflt='n' ;;
-*) case "$ptrsize" in
- 4) dflt='y' ;;
- *) dflt='n' ;;
+case "$uselongdouble" in
+$define)
+ echo "Long doubles selected." >&4
+ case "$longdblsize" in
+ $doublesize)
+ echo "...but long doubles are equal to doubles, not changing architecture name." >&4
+ ;;
+ *)
+ case "$archname" in
+ *-ld*) echo "...and architecture name already has -ld." >&4
+ ;;
+ *) archname="$archname-ld"
+ echo "...setting architecture name to $archname." >&4
+ ;;
+ esac
+ ;;
esac
- if test "$useithreads" = "$define"; then dflt='n'; fi
;;
esac
-rp="Do you wish to attempt to use the malloc that comes with $package?"
-. ./myread
-usemymalloc="$ans"
-case "$ans" in
-y*|true)
- usemymalloc='y'
- mallocsrc='malloc.c'
- mallocobj="malloc$_o"
- d_mymalloc="$define"
- case "$libs" in
- *-lmalloc*)
- : Remove malloc from list of libraries to use
- echo "Removing unneeded -lmalloc from library list" >&4
- set `echo X $libs | $sed -e 's/-lmalloc / /' -e 's/-lmalloc$//'`
- shift
- libs="$*"
- echo "libs = $libs" >&4
+case "$usequadmath" in
+$define)
+ echo "quadmath selected." >&4
+ case "$archname" in
+ *-ld*) echo "...and architecture name already has -quadmath." >&4
+ ;;
+ *) archname="$archname-quadmath"
+ echo "...setting architecture name to $archname." >&4
;;
esac
;;
+esac
+if $test -f archname.cbu; then
+ echo "Your platform has some specific hints for architecture name, using them..."
+ . ./archname.cbu
+fi
+
+: set the prefixit variable, to compute a suitable default value
+prefixit='case "$3" in
+""|none)
+ case "$oldprefix" in
+ "") eval "$1=\"\$$2\"";;
+ *)
+ case "$3" in
+ "") eval "$1=";;
+ none)
+ eval "tp=\"\$$2\"";
+ case "$tp" in
+ ""|" ") eval "$1=\"\$$2\"";;
+ *) eval "$1=";;
+ esac;;
+ esac;;
+ esac;;
*)
- usemymalloc='n'
- mallocsrc=''
- mallocobj=''
- d_mymalloc="$undef"
+ eval "tp=\"$oldprefix-\$$2-\""; eval "tp=\"$tp\"";
+ case "$tp" in
+ --|/*--|\~*--) eval "$1=\"$prefix/$3\"";;
+ /*-$oldprefix/*|\~*-$oldprefix/*)
+ eval "$1=\`echo \$$2 | sed \"s,^$oldprefix,$prefix,\"\`";;
+ *) eval "$1=\"\$$2\"";;
+ esac;;
+esac'
+
+: determine installation style
+: For now, try to deduce it from prefix unless it is already set.
+: Reproduce behavior of 5.005 and earlier, maybe drop that in 5.7.
+case "$installstyle" in
+'') case "$prefix" in
+ *perl*) dflt='lib';;
+ *) dflt='lib/perl5' ;;
+ esac
;;
+*) dflt="$installstyle" ;;
esac
+: Probably not worth prompting for this since we prompt for all
+: the directories individually, and the prompt would be too long and
+: confusing anyway.
+installstyle=$dflt
-: compute the return types of malloc and free
+: determine where public executables go
echo " "
-$cat >malloc.c <<END
-#$i_malloc I_MALLOC
-#$i_stdlib I_STDLIB
-#include <stdio.h>
-#include <sys/types.h>
-#ifdef I_MALLOC
-#include <malloc.h>
-#endif
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-#ifdef TRY_MALLOC
-void *malloc();
-#endif
-#ifdef TRY_FREE
-void free();
-#endif
-END
-case "$malloctype" in
-'')
- if $cc $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then
- malloctype='void *'
- else
- malloctype='char *'
- fi
- ;;
-esac
-echo "Your system wants malloc to return '$malloctype', it would seem." >&4
+set dflt bin bin
+eval $prefixit
+fn=d~
+rp='Pathname where the public executables will reside?'
+. ./getfile
+if $test "X$ansexp" != "X$binexp"; then
+ installbin=''
+fi
+prefixvar=bin
+: XXX Bug? -- ignores Configure -Dinstallprefix setting.
+: XXX If this is fixed, also fix the "start perl" hunk below, which relies on
+: this via initialinstalllocation
+. ./setprefixvar
-case "$freetype" in
-'')
- if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then
- freetype='void'
- else
- freetype='int'
- fi
- ;;
-esac
-echo "Your system uses $freetype free(), it would seem." >&4
-$rm -f malloc.[co]
-: determine where site specific architecture-dependent libraries go.
-: sitelib default is /usr/local/lib/perl5/site_perl/$version
-: sitearch default is /usr/local/lib/perl5/site_perl/$version/$archname
-: sitelib may have an optional trailing /share.
-case "$sitearch" in
-'') dflt=`echo $sitelib | $sed 's,/share$,,'`
- dflt="$dflt/$archname"
- ;;
-*) dflt="$sitearch"
- ;;
+case "$userelocatableinc" in
+$define|true|[yY]*) dflt='y' ;;
+*) dflt='n' ;;
esac
-set sitearch sitearch none
-eval $prefixit
-$cat <<EOM
+cat <<EOM
-The installation process will also create a directory for
-architecture-dependent site-specific extensions and modules.
+Would you like to build Perl so that the installation is relocatable, so that
+library paths in @INC are determined relative to the path of the perl binary?
+This is not advised for system Perl installs, or if you need to run setid
+scripts or scripts under taint mode.
+If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
-fn=d~+
-rp='Pathname for the site-specific architecture-dependent library files?'
-. ./getfile
-prefixvar=sitearch
-. ./setprefixvar
-if $test X"$sitearch" = X"$sitelib"; then
- d_sitearch="$undef"
-else
- d_sitearch="$define"
-fi
-
-: Set the vendorprefix variables
-$cat <<EOM
-
-The installation process will also create a directory for
-vendor-supplied add-ons. Vendors who supply perl with their system
-may find it convenient to place all vendor-supplied files in this
-directory rather than in the main distribution directory. This will
-ease upgrades between binary-compatible maintenance versions of perl.
-
-Of course you may also use these directories in whatever way you see
-fit. For example, you might use them to access modules shared over a
-company-wide network.
-
-The default answer should be fine for most people.
-This causes further questions about vendor add-ons to be skipped
-and no vendor-specific directories will be configured for perl.
-
-EOM
-rp='Do you want to configure vendor-specific add-on directories?'
-case "$usevendorprefix" in
-define|true|[yY]*) dflt=y ;;
-*) : User may have set vendorprefix directly on Configure command line.
- case "$vendorprefix" in
- ''|' ') dflt=n ;;
- *) dflt=y ;;
- esac
- ;;
-esac
+rp='Use relocatable @INC?'
. ./myread
case "$ans" in
-[yY]*) fn=d~+
- rp='Installation prefix to use for vendor-supplied add-ons?'
- case "$vendorprefix" in
- '') dflt="$prefix" ;;
- *) dflt=$vendorprefix ;;
- esac
- . ./getfile
- : XXX Prefixit unit does not yet support siteprefix and vendorprefix
- oldvendorprefix=''
- case "$vendorprefix" in
- '') ;;
- *) case "$ans" in
- "$prefix") ;;
- *) oldvendorprefix="$prefix";;
- esac
- ;;
- esac
- usevendorprefix="$define"
- vendorprefix="$ans"
- vendorprefixexp="$ansexp"
- ;;
-*) usevendorprefix="$undef"
- vendorprefix=''
- vendorprefixexp=''
- ;;
+y|Y) val="$define" ;;
+*) val="$undef" ;;
esac
+set userelocatableinc
+eval $setvar
-: Set the vendorlib variables
-case "$vendorprefix" in
-'') d_vendorlib="$undef"
- vendorlib=''
- vendorlibexp=''
- ;;
-*) d_vendorlib="$define"
- : determine where vendor-supplied modules go.
- : Usual default is /usr/local/lib/perl5/vendor_perl/$version
- case "$vendorlib" in
- '')
- prog=`echo $package | $sed 's/-*[0-9.]*$//'`
- case "$installstyle" in
- *lib/perl5*) dflt=$vendorprefix/lib/$package/vendor_$prog/$version ;;
- *) dflt=$vendorprefix/lib/vendor_$prog/$version ;;
- esac
- ;;
- *) dflt="$vendorlib"
- ;;
- esac
- fn=d~+
- rp='Pathname for the vendor-supplied library files?'
- . ./getfile
- vendorlib="$ans"
- vendorlibexp="$ansexp"
- ;;
+initialinstalllocation="$binexp"
+: Default prefix is now "up one level from where the binaries are"
+case "$userelocatableinc" in
+$define|true|[yY]*)
+ bin=".../"
+ binexp=".../"
+ prefix=".../.."
+ prefixexp=".../.."
+ installprefixexp=".../.."
+ ;;
esac
-vendorlib_stem=`echo "$vendorlibexp" | sed "s,/$version$,,"`
-prefixvar=vendorlib
-. ./installprefix
-: Set the vendorarch variables
-case "$vendorprefix" in
-'') d_vendorarch="$undef"
- vendorarch=''
- vendorarchexp=''
- ;;
-*) d_vendorarch="$define"
- : determine where vendor-supplied architecture-dependent libraries go.
- : vendorlib default is /usr/local/lib/perl5/vendor_perl/$version
- : vendorarch default is /usr/local/lib/perl5/vendor_perl/$version/$archname
- : vendorlib may have an optional trailing /share.
- case "$vendorarch" in
- '') dflt=`echo $vendorlib | $sed 's,/share$,,'`
- dflt="$dflt/$archname"
- ;;
- *) dflt="$vendorarch" ;;
- esac
- fn=d~+
- rp='Pathname for vendor-supplied architecture-dependent files?'
- . ./getfile
- vendorarch="$ans"
- vendorarchexp="$ansexp"
- ;;
+: determine where private library files go
+: Usual default is /usr/local/lib/perl5/$version.
+: Also allow things like /opt/perl/lib/$version, since
+: /opt/perl/lib/perl5... would be redundant.
+: The default "style" setting is made in installstyle.U
+case "$installstyle" in
+*lib/perl5*) set dflt privlib lib/$package/$version ;;
+*) set dflt privlib lib/$version ;;
esac
-prefixvar=vendorarch
-. ./installprefix
-if $test X"$vendorarch" = X"$vendorlib"; then
- d_vendorarch="$undef"
-else
- d_vendorarch="$define"
-fi
-
-: Final catch-all directories to search
+eval $prefixit
$cat <<EOM
-Lastly, you can have perl look in other directories for extensions and
-modules in addition to those already specified.
-These directories will be searched after
- $sitearch
- $sitelib
-EOM
-test X"$vendorlib" != "X" && echo ' ' $vendorlib
-test X"$vendorarch" != "X" && echo ' ' $vendorarch
-echo ' '
-case "$otherlibdirs" in
-''|' ') dflt='none' ;;
-*) dflt="$otherlibdirs" ;;
-esac
-$cat <<EOM
-Enter a colon-separated set of extra paths to include in perl's @INC
-search path, or enter 'none' for no extra paths.
+There are some auxiliary files for $package that need to be put into a
+private library directory that is accessible by everyone.
EOM
+fn=$binexp
+fn=d~+
+rp='Pathname where the private library files will reside?'
+. ./getfile
+prefixvar=privlib
+. ./setprefixvar
-rp='Colon-separated list of additional directories for perl to search?'
-. ./myread
-case "$ans" in
-' '|''|none) otherlibdirs=' ' ;;
-*) otherlibdirs="$ans" ;;
-esac
-case "$otherlibdirs" in
-' ') val=$undef ;;
-*) val=$define ;;
+: set the prefixup variable, to restore leading tilda escape
+prefixup='case "$prefixexp" in
+"$prefix") ;;
+*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
+esac'
+
+: determine where public architecture dependent libraries go
+set archlib archlib
+eval $prefixit
+: privlib default is /usr/local/lib/$package/$version
+: archlib default is /usr/local/lib/$package/$version/$archname
+: privlib may have an optional trailing /share.
+tdflt=`echo $privlib | $sed 's,/share$,,'`
+tdflt=$tdflt/$archname
+case "$archlib" in
+'') dflt=$tdflt
+ ;;
+*) dflt="$archlib"
+ ;;
esac
-set d_perl_otherlibdirs
-eval $setvar
+$cat <<EOM
-: Cruising for prototypes
-echo " "
-echo "Checking out function prototypes..." >&4
-$cat >prototype.c <<EOCP
-#$i_stdlib I_STDLIB
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-int main(int argc, char *argv[]) {
- exit(0);}
-EOCP
-if $cc $ccflags -c prototype.c >prototype.out 2>&1 ; then
- echo "Your C compiler appears to support function prototypes."
- val="$define"
+$spackage contains architecture-dependent library files. If you are
+sharing libraries in a heterogeneous environment, you might store
+these files in a separate location. Otherwise, you can just include
+them with the rest of the public library files.
+
+EOM
+fn=$binexp
+fn=d+~
+rp='Where do you want to put the public architecture-dependent libraries?'
+. ./getfile
+prefixvar=archlib
+. ./setprefixvar
+if $test X"$archlib" = X"$privlib"; then
+ d_archlib="$undef"
else
- echo "Your C compiler doesn't seem to understand function prototypes."
- val="$undef"
+ d_archlib="$define"
fi
-set prototype
-eval $setvar
-$rm -f prototype*
-: Check if ansi2knr is required
-case "$prototype" in
-"$define") ;;
-*) ansi2knr='ansi2knr'
- echo " "
- cat <<EOM >&4
+: see if setuid scripts can be secure
+$cat <<EOM
-$me: FATAL ERROR:
-This version of $package can only be compiled by a compiler that
-understands function prototypes. Unfortunately, your C compiler
- $cc $ccflags
-doesn't seem to understand them. Sorry about that.
+Some kernels have a bug that prevents setuid #! scripts from being
+secure. Some sites have disabled setuid #! scripts because of this.
-If GNU cc is available for your system, perhaps you could try that instead.
+First let's decide if your kernel supports secure setuid #! scripts.
+(If setuid #! scripts would be secure but have been disabled anyway,
+don't say that they are secure if asked.)
-Eventually, we hope to support building Perl with pre-ANSI compilers.
-If you would like to help in that effort, please contact <perlbug@perl.org>.
-
-Aborting Configure now.
EOM
- exit 2
- ;;
-esac
-: DTrace support
-dflt_dtrace='/usr/sbin/dtrace'
-$test -x /usr/bin/dtrace && dflt_dtrace='/usr/bin/dtrace'
+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
+ $cat <<EOM
+If you are not sure if they are secure, I can check but I'll need a
+username and password different from the one you are using right now.
+If you don't have such a username or don't want me to test, simply
+enter 'none'.
-cat <<EOM
+EOM
+ rp='Other username to test security of setuid scripts with?'
+ dflt='none'
+ . ./myread
+ case "$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 $setvar
-Perl can be built to support DTrace on platforms that support it.
-DTrace is a diagnosis and performance analysis tool from Sun.
+$rm -f reflect flect
-If this doesn't make any sense to you, just accept the default '$dflt'.
-EOM
+: now see if they want to do setuid emulation
+if $test $patchlevel -lt 11; then
+echo " "
+val="$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.
-while $test 1 ; do
- case "$usedtrace" in
- $define|true|[yY]*)
- dflt='y'
- ;;
- ?*)
- dflt='y'
- dflt_dtrace=$usedtrace
- ;;
- *)
- dflt='n'
- ;;
+EOM
+ case "$d_dosuid" in
+ "$define") dflt=y ;;
+ *) dflt=n ;;
esac
-
- rp='Support DTrace if available?'
+ rp="Do you want to do setuid/setgid emulation?"
. ./myread
case "$ans" in
- y|Y) val="$define" ;;
- *) val="$undef" ;;
+ [yY]*) val="$define";;
+ *) val="$undef";;
esac
- set usedtrace
- eval $setvar
+ ;;
+esac
+set d_dosuid
+eval $setvar
+else
+ case "$d_dosuid" in
+ "$define")
+ cat >&4 <<EOH
- test "X$usedtrace" != "X$define" && break
+SUID emulation has been removed for 5.12
+Please re-run Configure without -Dd_dosuid
- echo " "
- rp='Where is the dtrace executable?'
- dflt=$dflt_dtrace
- . ./getfile
- val="$ans"
- set dtrace
- eval $setvar
+EOH
+ exit 1;
+ ;;
+ esac
+ d_dosuid=undef
+fi
- if $test -f $dtrace
- then
- if $dtrace -h -s ../perldtrace.d \
- -o perldtrace.tmp >/dev/null 2>&1 \
- && rm -f perldtrace.tmp
- then
- echo " "
- echo "Good: your $dtrace knows about the -h flag."
- else
- cat >&2 <<EOM
+: Find perl5.005 or later.
+echo "Looking for a previously installed perl5.005 or later... "
+case "$perl5" in
+'') for tdir in `echo "$binexp$path_sep$PATH" | $sed "s/$path_sep/ /g"`; do
+ : Check if this perl is recent and can load a simple module
+ if $test -x $tdir/perl$exe_ext && $tdir/perl -Mless -e 'use 5.005;' >/dev/null 2>&1; then
+ perl5=$tdir/perl
+ break;
+ elif $test -x $tdir/perl5$exe_ext && $tdir/perl5 -Mless -e 'use 5.005;' >/dev/null 2>&1; then
+ perl5=$tdir/perl5
+ break;
+ fi
+ done
+ ;;
+*) perl5="$perl5"
+ ;;
+esac
+case "$perl5" in
+'') echo "None found. That's ok.";;
+*) echo "Using $perl5." ;;
+esac
-*** $me: Fatal Error: $dtrace doesn't support -h flag
-***
-*** Your installed dtrace doesn't support the -h switch to compile a D
-*** program into a C header. Can't continue.
+: Set the siteprefix variables
+$cat <<EOM
-EOM
- exit 1
- fi
- break;
- fi
+After $package is installed, you may wish to install various
+add-on modules and utilities. Typically, these add-ons will
+be installed under $prefix with the rest
+of this package. However, you may wish to install such add-ons
+elsewhere under a different prefix.
- case "$fastread" in
- yes)
- cat >&2 <<EOM
+If you do not wish to put everything under a single prefix, that's
+ok. You will be prompted for the individual locations; this siteprefix
+is only used to suggest the defaults.
-*** $me: Fatal Error: $dtrace not found.
-*** Can't continue.
+The default should be fine for most people.
EOM
- exit 1
- ;;
- *)
- echo "*** $dtrace was not found."
- echo " "
- ;;
+fn=d~+
+rp='Installation prefix to use for add-on modules and utilities?'
+: XXX Here might be another good place for an installstyle setting.
+case "$siteprefix" in
+'') dflt=$prefix ;;
+*) dflt=$siteprefix ;;
+esac
+. ./getfile
+: XXX Prefixit unit does not yet support siteprefix and vendorprefix
+oldsiteprefix=''
+case "$siteprefix" in
+'') ;;
+*) case "$ans" in
+ "$prefix") ;;
+ *) oldsiteprefix="$prefix";;
esac
-done
+ ;;
+esac
+siteprefix="$ans"
+siteprefixexp="$ansexp"
-: See if we want extra modules installed
-echo " "
-case "$extras" in
-'') dflt='n';;
-*) dflt='y';;
+: determine where site specific libraries go.
+: Usual default is /usr/local/lib/perl5/site_perl/$version
+: The default "style" setting is made in installstyle.U
+: XXX No longer works with Prefixit stuff.
+prog=`echo $package | $sed 's/-*[0-9.]*$//'`
+case "$sitelib" in
+'') case "$installstyle" in
+ *lib/perl5*) dflt=$siteprefix/lib/$package/site_$prog/$version ;;
+ *) dflt=$siteprefix/lib/site_$prog/$version ;;
+ esac
+ ;;
+*) dflt="$sitelib"
+ ;;
esac
-cat <<EOM
-Perl can be built with extra modules or bundles of modules which
-will be fetched from the CPAN and installed alongside Perl.
+$cat <<EOM
-Notice that you will need access to the CPAN; either via the Internet,
-or a local copy, for example a CD-ROM or a local CPAN mirror. (You will
-be asked later to configure the CPAN.pm module which will in turn do
-the installation of the rest of the extra modules or bundles.)
+The installation process will create a directory for
+site-specific extensions and modules. Most users find it convenient
+to place all site-specific files in this directory rather than in the
+main distribution directory.
-Notice also that if the modules require any external software such as
-libraries and headers (the libz library and the zlib.h header for the
-Compress::Zlib module, for example) you MUST have any such software
-already installed, this configuration process will NOT install such
-things for you.
-
-If this doesn't make any sense to you, just accept the default '$dflt'.
-EOM
-rp='Install any extra modules (y or n)?'
-. ./myread
-case "$ans" in
-y|Y)
- cat <<EOM
-
-Please list any extra modules or bundles to be installed from CPAN,
-with spaces between the names. The names can be in any format the
-'install' command of CPAN.pm will understand. (Answer 'none',
-without the quotes, to install no extra modules or bundles.)
-EOM
- rp='Extras?'
- dflt="$extras"
- . ./myread
- extras="$ans"
-esac
-case "$extras" in
-''|'none')
- val=''
- $rm -f ../extras.lst
- ;;
-*) echo "(Saving the list of extras for later...)"
- echo "$extras" > ../extras.lst
- val="'$extras'"
- ;;
-esac
-set extras
-eval $setvar
-echo " "
-
-: determine where html pages for programs go
-set html1dir html1dir none
-eval $prefixit
-$cat <<EOM
-
-If you wish to install html files for programs in $spackage, indicate
-the appropriate directory here. To skip installing html files,
-answer "none".
EOM
-case "$html1dir" in
-''|none|$undef|' ') dflt=none ;;
-*) dflt=$html1dir ;;
-esac
-fn=dn+~
-rp="Directory for the main $spackage html pages?"
+fn=d~+
+rp='Pathname for the site-specific library files?'
. ./getfile
-prefixvar=html1dir
+prefixvar=sitelib
. ./setprefixvar
-: Use ' ' for none so value is preserved next time through Configure
-$test X"$html1dir" = "X" && html1dir=' '
+sitelib_stem=`echo "$sitelibexp" | sed "s,/$version$,,"`
-: determine where html pages for libraries and modules go
-set html3dir html3dir none
-eval $prefixit
-$cat <<EOM
+: Determine list of previous versions to include in @INC
+$cat > getverlist <<EOPL
+#!$perl5 -w
+use File::Basename;
+\$api_versionstring = "$api_versionstring";
+\$version = "$version";
+\$stem = "$sitelib_stem";
+\$archname = "$archname";
+EOPL
+ $cat >> getverlist <<'EOPL'
+# The list found is store twice for each entry: the original name, and
+# the binary broken down version as pack "sss", so sorting is easy and
+# unambiguous. This will work for all versions that have a maximum of
+# three digit groups, separate by '.'s or '_'s. Names are extended with
+# ".0.0" to ensure at least three elements for the pack.
+# -- H.Merijn Brand (m)'06 23-10-2006
-If you wish to install html files for modules associated with $spackage,
-indicate the appropriate directory here. To skip installing html files,
-answer "none".
-EOM
-: There is no obvious default. If they have specified html1dir, then
-: try to key off that, possibly changing .../html1 into .../html3.
-case "$html3dir" in
-'') html3dir=`echo "$html1dir" | $sed 's/1$/3$/'` ;;
-*) dflt=$html3dir ;;
-esac
-fn=dn+~
-rp="Directory for the $spackage module html pages?"
-. ./getfile
-prefixvar=html3dir
-. ./setprefixvar
-: Use ' ' for none so value is preserved next time through Configure
-$test X"$html3dir" = "X" && html3dir=' '
+# Can't have leading @ because metaconfig interprets it as a command!
+;@inc_version_list=();
+# XXX Redo to do opendir/readdir?
+if (-d $stem) {
+ chdir($stem);
+ ;@candidates = map {
+ [ $_, pack "sss", split m/[._]/, "$_.0.0" ] } glob("5.*");
+ ;@candidates = sort { $a->[1] cmp $b->[1]} @candidates;
+}
+else {
+ ;@candidates = ();
+}
-: determine whether to install perl also as /usr/bin/perl
+($pversion, $aversion, $vsn5005) = map {
+ pack "sss", split m/[._]/, "$_.0.0" } $version, $api_versionstring, "5.005";
+foreach $d (@candidates) {
+ if ($d->[1] lt $pversion) {
+ if ($d->[1] ge $aversion) {
+ unshift(@inc_version_list, grep { -d } $d->[0]."/$archname", $d->[0]);
+ }
+ elsif ($d->[1] ge $vsn5005) {
+ unshift(@inc_version_list, grep { -d } $d->[0]);
+ }
+ }
+ else {
+ # Skip newer version. I.e. don't look in
+ # 5.7.0 if we're installing 5.6.1.
+ }
+}
-echo " "
-if $test -d /usr/bin -a "X$installbin" != X/usr/bin; then
- $cat <<EOM
-Many scripts expect perl to be installed as /usr/bin/perl.
+if (@inc_version_list) {
+ print join(' ', @inc_version_list);
+}
+else {
+ # Blank space to preserve value for next Configure run.
+ print " ";
+}
+EOPL
+chmod +x getverlist
+case "$inc_version_list" in
+'') if test -x "$perl5$exe_ext"; then
+ dflt=`$perl5 getverlist`
+ else
+ dflt='none'
+ fi
+ ;;
+$undef) dflt='none' ;;
+*) eval dflt=\"$inc_version_list\" ;;
+esac
+case "$dflt" in
+''|' ') dflt=none ;;
+esac
+case "$dflt" in
+5.005) dflt=none ;;
+esac
+$cat <<EOM
-If you want to, I can install the perl you are about to compile
-as /usr/bin/perl (in addition to $bin/perl).
+In order to ease the process of upgrading, this version of perl
+can be configured to use modules built and installed with earlier
+versions of perl that were installed under $prefix. Specify here
+the list of earlier versions that this version of perl should check.
+If Configure detected no earlier versions of perl installed under
+$prefix, then the list will be empty. Answer 'none' to tell perl
+to not search earlier versions.
+
+The default should almost always be sensible, so if you're not sure,
+just accept the default.
EOM
- if test -f /usr/bin/perl; then
- $cat <<EOM
-However, please note that because you already have a /usr/bin/perl,
-overwriting that with a new Perl would very probably cause problems.
-Therefore I'm assuming you don't want to do that (unless you insist).
+rp='List of earlier versions to include in @INC?'
+. ./myread
+case "$ans" in
+[Nn]one|''|' '|$undef) inc_version_list=' ' ;;
+*) inc_version_list="$ans" ;;
+esac
+case "$inc_version_list" in
+''|' ')
+ inc_version_list_init='0'
+ d_inc_version_list="$undef"
+ ;;
+*) inc_version_list_init=`echo $inc_version_list |
+ $sed -e 's/^/"/' -e 's/ /","/g' -e 's/$/",0/'`
+ d_inc_version_list="$define"
+ ;;
+esac
+$rm -f getverlist
-EOM
- case "$installusrbinperl" in
- "$define"|[yY]*) dflt='y';;
- *) dflt='n';;
- esac
- else
- $cat <<EOM
+: see if malloc/malloc.h has to be included
+set malloc/malloc.h i_mallocmalloc
+eval $inhdr
-Since you don't have a /usr/bin/perl I'm assuming creating one is okay.
+: see if this is a malloc.h system
+: we want a real compile instead of Inhdr because some systems have a
+: malloc.h that just gives a compile error saying to use stdlib.h instead
+echo " "
+$cat >try.c <<EOCP
+#include <stdlib.h>
+#include <malloc.h>
+#$i_mallocmalloc I_MALLOCMALLOC
+#ifdef I_MALLOCMALLOC
+# include <malloc/malloc.h>
+#endif
-EOM
- case "$installusrbinperl" in
- "$undef"|[nN]*) dflt='n';;
- *) dflt='y';;
- esac
- fi
- rp="Do you want to install perl as /usr/bin/perl?"
- . ./myread
- case "$ans" in
- [yY]*) val="$define";;
- *) val="$undef" ;;
- esac
+int main () { return 0; }
+EOCP
+set try
+if eval $compile; then
+ echo "<malloc.h> found." >&4
+ val="$define"
else
- val="$undef"
+ echo "<malloc.h> NOT found." >&4
+ val="$undef"
fi
-set installusrbinperl
+$rm_try
+set i_malloc
eval $setvar
-: Check if we are using the GNU C library
+: check for length of pointer
echo " "
-echo "Checking for GNU C Library..." >&4
-cat >try.c <<'EOCP'
-/* Find out version of GNU C library. __GLIBC__ and __GLIBC_MINOR__
- alone are insufficient to distinguish different versions, such as
- 2.0.6 and 2.0.7. The function gnu_get_libc_version() appeared in
- libc version 2.1.0. A. Dougherty, June 3, 2002.
-*/
+case "$ptrsize" in
+'')
+ echo "Checking to see how big your pointers are..." >&4
+ $cat >try.c <<EOCP
#include <stdio.h>
-int main(void)
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+int main()
{
-#ifdef __GLIBC__
-# ifdef __GLIBC_MINOR__
-# if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 && !defined(__cplusplus)
-# include <gnu/libc-version.h>
- printf("%s\n", gnu_get_libc_version());
-# else
- printf("%d.%d\n", __GLIBC__, __GLIBC_MINOR__);
-# endif
-# else
- printf("%d\n", __GLIBC__);
-# endif
- return 0;
-#else
- return 1;
-#endif
+ printf("%d\n", (int)sizeof(void *));
+ exit(0);
}
EOCP
-set try
-if eval $compile_ok && $run ./try > glibc.ver; then
- val="$define"
- gnulibc_version=`$cat glibc.ver`
- echo "You are using the GNU C Library version $gnulibc_version"
-else
- val="$undef"
- gnulibc_version=''
- echo "You are not using the GNU C Library"
-fi
-$rm_try glibc.ver
-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=''
- case "$d_gnulibc" in
- "$define")
- echo " "
- echo "nm probably won't work on the GNU C Library." >&4
- dflt=n
- ;;
- esac
- case "$dflt" in
- '')
- if $test "$osname" = aix -a "X$PASE" != "Xdefine" -a ! -f /lib/syscalls.exp; then
- echo " "
- echo "Whoops! This is an AIX system without /lib/syscalls.exp!" >&4
- echo "'nm' won't be sufficient on this system." >&4
- dflt=n
- fi
- ;;
- esac
- case "$dflt" in
- '') dflt=`$egrep 'inlibc|csym' $rsrc/Configure | wc -l 2>/dev/null`
- if $test $dflt -gt 20; then
- dflt=y
- else
- dflt=n
- fi
- ;;
- esac
- ;;
-*)
- case "$usenm" in
- true|$define) dflt=y;;
- *) dflt=n;;
- esac
+ set try
+ if eval $compile_ok; then
+ ptrsize=`$run ./try`
+ echo "Your pointers are $ptrsize bytes long."
+ else
+ dflt='4'
+ echo "(I can't seem to compile the test program. Guessing...)" >&4
+ rp="What is the size of a pointer (in bytes)?"
+ . ./myread
+ ptrsize="$ans"
+ fi
;;
esac
-$cat <<EOM
-
-I can use $nm to extract the symbols from your C libraries. This
-is a time consuming task which may generate huge output on the disk (up
-to 3 megabytes) but that should make the symbols extraction faster. The
-alternative is to skip the 'nm' extraction part and to compile a small
-test program instead to determine whether each symbol is present. If
-you have a fast C compiler and/or if your 'nm' output cannot be parsed,
-this may be the best solution.
+$rm_try
+case "$use64bitall" in
+"$define"|true|[yY]*)
+ case "$ptrsize" in
+ 4) cat <<EOM >&4
-You probably shouldn't let me use 'nm' if you are using the GNU C Library.
+*** You have chosen a maximally 64-bit build,
+*** but your pointers are only 4 bytes wide.
+*** Please rerun Configure without -Duse64bitall.
+EOM
+ case "$d_quad" in
+ define)
+ cat <<EOM >&4
+*** Since you have quads, you could possibly try with -Duse64bitint.
+EOM
+ ;;
+ esac
+ cat <<EOM >&4
+*** Cannot continue, aborting.
EOM
-rp="Shall I use $nm to extract C symbols from the libraries?"
-. ./myread
-case "$ans" in
-[Nn]*) usenm=false;;
-*) usenm=true;;
-esac
-runnm=$usenm
-case "$reuseval" in
-true) runnm=false;;
+ exit 1
+ ;;
+ esac
+ ;;
esac
-: nm options which may be necessary
-case "$nm_opt" in
-'') if $test -f /mach_boot; then
- nm_opt='' # Mach
- elif $test -d /usr/ccs/lib; then
- nm_opt='-p' # Solaris (and SunOS?)
- elif $test -f /dgux; then
- nm_opt='-p' # DG-UX
- elif $test -f /lib64/rld; then
- nm_opt='-p' # 64-bit Irix
- else
- nm_opt=''
- fi;;
-esac
-: nm options which may be necessary for shared libraries but illegal
-: for archive libraries. Thank you, Linux.
-case "$nm_so_opt" in
-'') case "$myuname" in
- *linux*|gnu*)
- if $nm --help | $grep 'dynamic' > /dev/null 2>&1; then
- nm_so_opt='--dynamic'
- fi
- ;;
+: determine whether to use malloc wrapping
+echo " "
+case "$usemallocwrap" in
+[yY]*|true|$define) dflt='y' ;;
+[nN]*|false|$undef) dflt='n' ;;
+*) case "$usedevel" in
+ [yY]*|true|$define) dflt='y' ;;
+ *) dflt='n' ;;
esac
;;
esac
+rp="Do you wish to wrap malloc calls to protect against potential overflows?"
+. ./myread
+usemallocwrap="$ans"
+case "$ans" in
+y*|true)
+ usemallocwrap="$define" ;;
+*)
+ usemallocwrap="$undef" ;;
+esac
-: Figure out where the libc is located
-case "$runnm" in
-true)
-: get list of predefined functions in a handy place
+: determine which malloc to compile in
echo " "
-case "$libc" in
-'') libc=unknown
- case "$libs" in
- *-lc_s*) libc=`./loc libc_s$_a $libc $libpth`
+case "$usemymalloc" in
+[yY]*|true|$define) dflt='y' ;;
+[nN]*|false|$undef) dflt='n' ;;
+*) case "$ptrsize" in
+ 4) dflt='y' ;;
+ *) dflt='n' ;;
esac
+ if test "$useithreads" = "$define"; then dflt='n'; fi
;;
esac
-case "$libs" in
-'') ;;
-*) for thislib in $libs; do
- case "$thislib" in
- -lc|-lc_s)
- : Handle C library specially below.
- ;;
- -l*)
- thislib=`echo $thislib | $sed -e 's/^-l//'`
- if try=`./loc lib$thislib.$so.'*' X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc lib$thislib$_a X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc $thislib$_a X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc $thislib X $libpth`; $test -f "$try"; then
- :
- elif try=`./loc Slib$thislib$_a X $xlibpth`; $test -f "$try"; then
- :
- else
- try=''
- fi
- libnames="$libnames $try"
+rp="Do you wish to attempt to use the malloc that comes with $package?"
+. ./myread
+usemymalloc="$ans"
+case "$ans" in
+y*|true)
+ usemymalloc='y'
+ mallocsrc='malloc.c'
+ mallocobj="malloc$_o"
+ d_mymalloc="$define"
+ case "$libs" in
+ *-lmalloc*)
+ : Remove malloc from list of libraries to use
+ echo "Removing unneeded -lmalloc from library list" >&4
+ set `echo X $libs | $sed -e 's/-lmalloc / /' -e 's/-lmalloc$//'`
+ shift
+ libs="$*"
+ echo "libs = $libs" >&4
;;
- *) libnames="$libnames $thislib" ;;
esac
- done
- ;;
-esac
-xxx=normal
-case "$libc" in
-unknown)
- 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 ' ' $trnl | egrep -v '\.[A-Za-z]*$' | $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 $sysroot/usr/ccs/lib/libc.$so
- $test -r $1 || set $sysroot/lib/libsys_s$_a
;;
*)
- set blurfl
+ usemymalloc='n'
+ mallocsrc=''
+ mallocobj=''
+ d_mymalloc="$undef"
;;
esac
-if $test -r "$1"; then
- echo "Your (shared) C library seems to be in $1."
- libc="$1"
-elif $test -r /lib/libc && $test -r /lib/clib; then
- echo "Your C library seems to be in both /lib/clib and /lib/libc."
- xxx=apollo
- libc='/lib/clib /lib/libc'
- if $test -r /lib/syslib; then
- echo "(Your math library is in /lib/syslib.)"
- libc="$libc /lib/syslib"
- fi
-elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
- echo "Your C library seems to be in $libc, as you said before."
-elif $test -r $incpath/usr/lib/libc$_a; then
- libc=$incpath/usr/lib/libc$_a;
- echo "Your C library seems to be in $libc. That's fine."
-elif $test -r /lib/libc$_a; then
- libc=/lib/libc$_a;
- echo "Your C library seems to be in $libc. You're normal."
-else
- if tans=`./loc libc$_a blurfl/dyick $libpth`; $test -r "$tans"; then
- :
- elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then
- libnames="$libnames "`./loc clib blurfl/dyick $libpth`
- elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then
- :
- elif tans=`./loc Slibc$_a blurfl/dyick $xlibpth`; $test -r "$tans"; then
- :
- elif tans=`./loc Mlibc$_a blurfl/dyick $xlibpth`; $test -r "$tans"; then
- :
+
+: compute the return types of malloc and free
+echo " "
+$cat >malloc.c <<END
+#$i_malloc I_MALLOC
+#$i_stdlib I_STDLIB
+#include <stdio.h>
+#include <sys/types.h>
+#ifdef I_MALLOC
+#include <malloc.h>
+#endif
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+#ifdef TRY_MALLOC
+void *malloc();
+#endif
+#ifdef TRY_FREE
+void free();
+#endif
+END
+case "$malloctype" in
+'')
+ if $cc $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then
+ malloctype='void *'
else
- tans=`./loc Llibc$_a blurfl/dyick $xlibpth`
+ malloctype='char *'
fi
- if $test -r "$tans"; then
- echo "Your C library seems to be in $tans, of all places."
- libc=$tans
+ ;;
+esac
+echo "Your system wants malloc to return '$malloctype', it would seem." >&4
+
+case "$freetype" in
+'')
+ if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then
+ freetype='void'
else
- libc='blurfl'
+ freetype='int'
fi
-fi
-if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
- dflt="$libc"
- cat <<EOM
+ ;;
+esac
+echo "Your system uses $freetype free(), it would seem." >&4
+$rm -f malloc.[co]
+: determine where site specific architecture-dependent libraries go.
+: sitelib default is /usr/local/lib/perl5/site_perl/$version
+: sitearch default is /usr/local/lib/perl5/site_perl/$version/$archname
+: sitelib may have an optional trailing /share.
+case "$sitearch" in
+'') dflt=`echo $sitelib | $sed 's,/share$,,'`
+ dflt="$dflt/$archname"
+ ;;
+*) dflt="$sitearch"
+ ;;
+esac
+set sitearch sitearch none
+eval $prefixit
+$cat <<EOM
-If the guess above is wrong (which it might be if you're using a strange
-compiler, or your machine supports multiple models), you can override it here.
+The installation process will also create a directory for
+architecture-dependent site-specific extensions and modules.
EOM
+fn=d~+
+rp='Pathname for the site-specific architecture-dependent library files?'
+. ./getfile
+prefixvar=sitearch
+. ./setprefixvar
+if $test X"$sitearch" = X"$sitelib"; then
+ d_sitearch="$undef"
else
- dflt=''
- echo $libpth | $tr ' ' $trnl | $sort | $uniq > libpath
- cat >&4 <<EOM
-I can't seem to find your C library. I've looked in the following places:
+ d_sitearch="$define"
+fi
-EOM
- $sed 's/^/ /' libpath
- cat <<EOM
+: Set the vendorprefix variables
+$cat <<EOM
-None of these seems to contain your C library. I need to get its name...
+The installation process will also create a directory for
+vendor-supplied add-ons. Vendors who supply perl with their system
+may find it convenient to place all vendor-supplied files in this
+directory rather than in the main distribution directory. This will
+ease upgrades between binary-compatible maintenance versions of perl.
+
+Of course you may also use these directories in whatever way you see
+fit. For example, you might use them to access modules shared over a
+company-wide network.
+
+The default answer should be fine for most people.
+This causes further questions about vendor add-ons to be skipped
+and no vendor-specific directories will be configured for perl.
EOM
-fi
-fn=f
-rp='Where is your C library?'
-. ./getfile
-libc="$ans"
+rp='Do you want to configure vendor-specific add-on directories?'
+case "$usevendorprefix" in
+define|true|[yY]*) dflt=y ;;
+*) : User may have set vendorprefix directly on Configure command line.
+ case "$vendorprefix" in
+ ''|' ') dflt=n ;;
+ *) dflt=y ;;
+ esac
+ ;;
+esac
+. ./myread
+case "$ans" in
+[yY]*) fn=d~+
+ rp='Installation prefix to use for vendor-supplied add-ons?'
+ case "$vendorprefix" in
+ '') dflt="$prefix" ;;
+ *) dflt=$vendorprefix ;;
+ esac
+ . ./getfile
+ : XXX Prefixit unit does not yet support siteprefix and vendorprefix
+ oldvendorprefix=''
+ case "$vendorprefix" in
+ '') ;;
+ *) case "$ans" in
+ "$prefix") ;;
+ *) oldvendorprefix="$prefix";;
+ esac
+ ;;
+ esac
+ usevendorprefix="$define"
+ vendorprefix="$ans"
+ vendorprefixexp="$ansexp"
+ ;;
+*) usevendorprefix="$undef"
+ vendorprefix=''
+ vendorprefixexp=''
+ ;;
+esac
-echo " "
-echo $libc $libnames | $tr ' ' $trnl | $sort | $uniq > libnames
-set X `cat libnames`
-shift
-xxx=files
-case $# in 1) xxx=file; esac
-echo "Extracting names from the following $xxx for later perusal:" >&4
-echo " "
-$sed 's/^/ /' libnames >&4
-echo " "
-$echo $n "This may take a while...$c" >&4
+: Set the vendorlib variables
+case "$vendorprefix" in
+'') d_vendorlib="$undef"
+ vendorlib=''
+ vendorlibexp=''
+ ;;
+*) d_vendorlib="$define"
+ : determine where vendor-supplied modules go.
+ : Usual default is /usr/local/lib/perl5/vendor_perl/$version
+ case "$vendorlib" in
+ '')
+ prog=`echo $package | $sed 's/-*[0-9.]*$//'`
+ case "$installstyle" in
+ *lib/perl5*) dflt=$vendorprefix/lib/$package/vendor_$prog/$version ;;
+ *) dflt=$vendorprefix/lib/vendor_$prog/$version ;;
+ esac
+ ;;
+ *) dflt="$vendorlib"
+ ;;
+ esac
+ fn=d~+
+ rp='Pathname for the vendor-supplied library files?'
+ . ./getfile
+ vendorlib="$ans"
+ vendorlibexp="$ansexp"
+ ;;
+esac
+vendorlib_stem=`echo "$vendorlibexp" | sed "s,/$version$,,"`
+prefixvar=vendorlib
+. ./installprefix
-for file in $*; do
- case $file in
- *$so*) $nm $nm_so_opt $nm_opt $file 2>/dev/null;;
- *) $nm $nm_opt $file 2>/dev/null;;
+: Set the vendorarch variables
+case "$vendorprefix" in
+'') d_vendorarch="$undef"
+ vendorarch=''
+ vendorarchexp=''
+ ;;
+*) d_vendorarch="$define"
+ : determine where vendor-supplied architecture-dependent libraries go.
+ : vendorlib default is /usr/local/lib/perl5/vendor_perl/$version
+ : vendorarch default is /usr/local/lib/perl5/vendor_perl/$version/$archname
+ : vendorlib may have an optional trailing /share.
+ case "$vendorarch" in
+ '') dflt=`echo $vendorlib | $sed 's,/share$,,'`
+ dflt="$dflt/$archname"
+ ;;
+ *) dflt="$vendorarch" ;;
esac
-done >libc.tmp
+ fn=d~+
+ rp='Pathname for vendor-supplied architecture-dependent files?'
+ . ./getfile
+ vendorarch="$ans"
+ vendorarchexp="$ansexp"
+ ;;
+esac
+prefixvar=vendorarch
+. ./installprefix
+if $test X"$vendorarch" = X"$vendorlib"; then
+ d_vendorarch="$undef"
+else
+ d_vendorarch="$define"
+fi
-$echo $n ".$c"
-$grep fprintf libc.tmp > libc.ptf
-xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
-xrun='eval "<libc.tmp $com >libc.list"; echo "done." >&4'
-xxx='[ADTSIWi]'
-if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \
- -e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^.*|Proc .*|Text *| *//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="$sed -n -e 's/.*\.text n\ \ \ \.//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-elif com="sed -n -e 's/^__.*//' -e 's/[ ]*D[ ]*[0-9]*.*//p'";\
- eval $xscan;\
- $contains '^fprintf$' libc.list >/dev/null 2>&1; then
- eval $xrun
-else
- $nm -p $* 2>/dev/null >libc.tmp
- $grep fprintf libc.tmp > libc.ptf
- if com="$sed -n -e 's/^.* [ADTSIW] *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\
- eval $xscan; $contains '^fprintf$' libc.list >/dev/null 2>&1
- then
- nm_opt='-p'
- eval $xrun
- else
- echo " "
- echo "$nm didn't seem to work right. Trying $ar instead..." >&4
- com=''
- if $ar t $libc > libc.tmp && \
- $contains '^fprintf$' libc.tmp >/dev/null 2>&1
- then
- for thisname in $libnames $libc; do
- $ar t $thisname >>libc.tmp
- done
- $sed -e "s/\\$_o\$//" < libc.tmp > libc.list
- echo "Ok." >&4
- elif test "X$osname" = "Xos2" && $ar tv $libc > libc.tmp; then
- for thisname in $libnames $libc; do
- $ar tv $thisname >>libc.tmp
- emximp -o tmp.imp $thisname \
- 2>/dev/null && \
- $sed -e 's/^\([_a-zA-Z0-9]*\) .*$/\1/p' \
- < tmp.imp >>libc.tmp
- $rm -f tmp.imp
- done
- $sed -e "s/\\$_o\$//" -e 's/^ \+//' < libc.tmp > libc.list
- echo "Ok." >&4
- else
- echo "$ar didn't seem to work right." >&4
- echo "Maybe this is a Cray...trying bld instead..." >&4
- if bld t $libc | \
- $sed -e 's/.*\///' -e "s/\\$_o:.*\$//" > libc.list &&
- $test -s libc.list
- then
- for thisname in $libnames; do
- bld t $libnames | \
- $sed -e 's/.*\///' -e "s/\\$_o:.*\$//" >>libc.list
- $ar t $thisname >>libc.tmp
- done
- echo "Ok." >&4
- else
- echo "That didn't work either. Giving up." >&4
- exit 1
- fi
- fi
- fi
-fi
-nm_extract="$com"
-case "$PASE" in
-define)
- echo " "
- echo "Since you are compiling for PASE, extracting more symbols from libc.a ...">&4
- dump -Tv /lib/libc.a | awk '$7 == "/unix" {print $5 " " $8}' | grep "^SV" | awk '{print $2}' >> libc.list
- ;;
-*) if $test -f /lib/syscalls.exp; then
- echo " "
- echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4
- $sed -n 's/^\([^ ]*\)[ ]*syscall[0-9]*[ ]*$/\1/p' \
- /lib/syscalls.exp >>libc.list
- fi
- ;;
+: Final catch-all directories to search
+$cat <<EOM
+
+Lastly, you can have perl look in other directories for extensions and
+modules in addition to those already specified.
+These directories will be searched after
+ $sitearch
+ $sitelib
+EOM
+test X"$vendorlib" != "X" && echo ' ' $vendorlib
+test X"$vendorarch" != "X" && echo ' ' $vendorarch
+echo ' '
+case "$otherlibdirs" in
+''|' ') dflt='none' ;;
+*) dflt="$otherlibdirs" ;;
esac
-;;
+$cat <<EOM
+Enter a colon-separated set of extra paths to include in perl's @INC
+search path, or enter 'none' for no extra paths.
+
+EOM
+
+rp='Colon-separated list of additional directories for perl to search?'
+. ./myread
+case "$ans" in
+' '|''|none) otherlibdirs=' ' ;;
+*) otherlibdirs="$ans" ;;
esac
-$rm -f libnames libpath
+case "$otherlibdirs" in
+' ') val=$undef ;;
+*) val=$define ;;
+esac
+set d_perl_otherlibdirs
+eval $setvar
-: Check if we are using C++
+: Cruising for prototypes
echo " "
-echo "Checking for C++..." >&4
-$cat >try.c <<'EOCP'
-#include <stdio.h>
-int main(void)
-{
-#ifdef __cplusplus
- return 0;
-#else
- return 1;
+echo "Checking out function prototypes..." >&4
+$cat >prototype.c <<EOCP
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+#include <stdlib.h>
#endif
-}
+int main(int argc, char *argv[]) {
+ exit(0);}
EOCP
-set try
-if eval $compile_ok && $run ./try; then
+if $cc $ccflags -c prototype.c >prototype.out 2>&1 ; then
+ echo "Your C compiler appears to support function prototypes."
val="$define"
- echo "You are using a C++ compiler."
else
+ echo "Your C compiler doesn't seem to understand function prototypes."
val="$undef"
- echo "You are not using a C++ compiler."
fi
-$rm_try cplusplus$$
-set d_cplusplus
+set prototype
eval $setvar
+$rm -f prototype*
-: is a C symbol defined?
-csym='tlook=$1;
-case "$3" in
--v) tf=libc.tmp; tdc="";;
--a) tf=libc.tmp; tdc="[]";;
-*) tlook="^$1\$"; tf=libc.list; tdc="()";;
-esac;
-case "$d_cplusplus" in
- $define) extern_C="extern \"C\"" ;;
- *) extern_C="extern" ;;
-esac;
-tx=yes;
-case "$reuseval-$4" in
-true-) ;;
-true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;;
-esac;
-case "$tx" in
-yes)
- tval=false;
- if $test "$runnm" = true; then
- if $contains $tlook $tf >/dev/null 2>&1; then
- tval=true;
- elif $test "$mistrustnm" = compile -o "$mistrustnm" = run; then
- echo "$extern_C void *$1$tdc; void *(*(p()))$tdc { return &$1; } int main() { if(p() && p() != (void *)main) return(0); else return(1); }"> try.c;
- $cc -o try $optimize $ccflags $ldflags try.c >/dev/null 2>&1 $libs && tval=true;
- $test "$mistrustnm" = run -a -x try && { $run ./try$_exe >/dev/null 2>&1 || tval=false; };
- $rm_try;
- fi;
- else
- echo "$extern_C void *$1$tdc; void *(*(p()))$tdc { return &$1; } int main() { if(p() && p() != (void *)main) return(0); else return(1); }"> try.c;
- $cc -o try $optimize $ccflags $ldflags try.c $libs >/dev/null 2>&1 && tval=true;
- $rm_try;
- fi;
- ;;
-*)
- case "$tval" in
- $define) tval=true;;
- *) tval=false;;
- esac;
+: Check if ansi2knr is required
+case "$prototype" in
+"$define") ;;
+*) ansi2knr='ansi2knr'
+ echo " "
+ cat <<EOM >&4
+
+$me: FATAL ERROR:
+This version of $package can only be compiled by a compiler that
+understands function prototypes. Unfortunately, your C compiler
+ $cc $ccflags
+doesn't seem to understand them. Sorry about that.
+
+If GNU cc is available for your system, perhaps you could try that instead.
+
+Eventually, we hope to support building Perl with pre-ANSI compilers.
+If you would like to help in that effort, please contact <perlbug@perl.org>.
+
+Aborting Configure now.
+EOM
+ exit 2
;;
-esac;
-eval "$2=$tval"'
+esac
-: define an is-in-libc? function
-inlibc='echo " "; td=$define; tu=$undef;
-sym=$1; var=$2; eval "was=\$$2";
-tx=yes;
-case "$reuseval$was" in
-true) ;;
-true*) tx=no;;
-esac;
-case "$tx" in
-yes)
- set $sym tres -f;
- eval $csym;
- case "$tres" in
- true)
- echo "$sym() found." >&4;
- case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";;
+: DTrace support
+dflt_dtrace='/usr/sbin/dtrace'
+$test -x /usr/bin/dtrace && dflt_dtrace='/usr/bin/dtrace'
+
+cat <<EOM
+
+Perl can be built to support DTrace on platforms that support it.
+DTrace is a diagnosis and performance analysis tool from Sun.
+
+If this doesn't make any sense to you, just accept the default.
+EOM
+
+while $test 1 ; do
+ case "$usedtrace" in
+ $define|true|[yY]*)
+ dflt='y'
+ ;;
+ ?*)
+ dflt='y'
+ dflt_dtrace=$usedtrace
+ ;;
*)
- echo "$sym() NOT found." >&4;
- case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";;
- esac;;
-*)
- case "$was" in
- $define) echo "$sym() found." >&4;;
- *) echo "$sym() NOT found." >&4;;
- esac;;
-esac'
+ dflt='n'
+ ;;
+ esac
+
+ rp='Support DTrace if available?'
+ . ./myread
+ case "$ans" in
+ y|Y) val="$define" ;;
+ *) val="$undef" ;;
+ esac
+ set usedtrace
+ eval $setvar
+
+ test "X$usedtrace" != "X$define" && break
+
+ echo " "
+ rp='Where is the dtrace executable?'
+ dflt=$dflt_dtrace
+ . ./getfile
+ val="$ans"
+ set dtrace
+ eval $setvar
+
+ if $test -f $dtrace
+ then
+ if $dtrace -h -s ../perldtrace.d \
+ -o perldtrace.tmp >/dev/null 2>&1 \
+ && rm -f perldtrace.tmp
+ then
+ echo " "
+ echo "Good: your $dtrace knows about the -h flag."
+ else
+ cat >&2 <<EOM
+
+*** $me: Fatal Error: $dtrace doesn't support -h flag
+***
+*** Your installed dtrace doesn't support the -h switch to compile a D
+*** program into a C header. Can't continue.
+
+EOM
+ exit 1
+ fi
+ break;
+ fi
+
+ case "$fastread" in
+ yes)
+ cat >&2 <<EOM
+
+*** $me: Fatal Error: $dtrace not found.
+*** Can't continue.
+
+EOM
+ exit 1
+ ;;
+ *)
+ echo "*** $dtrace was not found."
+ echo " "
+ ;;
+ esac
+done
+
+: See if we want extra modules installed
+echo " "
+case "$extras" in
+'') dflt='n';;
+*) dflt='y';;
+esac
+cat <<EOM
+Perl can be built with extra modules or bundles of modules which
+will be fetched from the CPAN and installed alongside Perl.
+
+Notice that you will need access to the CPAN; either via the Internet,
+or a local copy, for example a CD-ROM or a local CPAN mirror. (You will
+be asked later to configure the CPAN.pm module which will in turn do
+the installation of the rest of the extra modules or bundles.)
+
+Notice also that if the modules require any external software such as
+libraries and headers (the libz library and the zlib.h header for the
+Compress::Zlib module, for example) you MUST have any such software
+already installed, this configuration process will NOT install such
+things for you.
+
+If this doesn't make any sense to you, just accept the default '$dflt'.
+EOM
+rp='Install any extra modules (y or n)?'
+. ./myread
+case "$ans" in
+y|Y)
+ cat <<EOM
+
+Please list any extra modules or bundles to be installed from CPAN,
+with spaces between the names. The names can be in any format the
+'install' command of CPAN.pm will understand. (Answer 'none',
+without the quotes, to install no extra modules or bundles.)
+EOM
+ rp='Extras?'
+ dflt="$extras"
+ . ./myread
+ extras="$ans"
+esac
+case "$extras" in
+''|'none')
+ val=''
+ $rm -f ../extras.lst
+ ;;
+*) echo "(Saving the list of extras for later...)"
+ echo "$extras" > ../extras.lst
+ val="'$extras'"
+ ;;
+esac
+set extras
+eval $setvar
+echo " "
+
+: determine where html pages for programs go
+set html1dir html1dir none
+eval $prefixit
+$cat <<EOM
+
+If you wish to install html files for programs in $spackage, indicate
+the appropriate directory here. To skip installing html files,
+answer "none".
+EOM
+case "$html1dir" in
+''|none|$undef|' ') dflt=none ;;
+*) dflt=$html1dir ;;
+esac
+fn=dn+~
+rp="Directory for the main $spackage html pages?"
+. ./getfile
+prefixvar=html1dir
+. ./setprefixvar
+: Use ' ' for none so value is preserved next time through Configure
+$test X"$html1dir" = "X" && html1dir=' '
+
+: determine where html pages for libraries and modules go
+set html3dir html3dir none
+eval $prefixit
+$cat <<EOM
+
+If you wish to install html files for modules associated with $spackage,
+indicate the appropriate directory here. To skip installing html files,
+answer "none".
+EOM
+: There is no obvious default. If they have specified html1dir, then
+: try to key off that, possibly changing .../html1 into .../html3.
+case "$html3dir" in
+'') html3dir=`echo "$html1dir" | $sed 's/1$/3$/'` ;;
+*) dflt=$html3dir ;;
+esac
+fn=dn+~
+rp="Directory for the $spackage module html pages?"
+. ./getfile
+prefixvar=html3dir
+. ./setprefixvar
+: Use ' ' for none so value is preserved next time through Configure
+$test X"$html3dir" = "X" && html3dir=' '
+
+: determine whether to install perl also as /usr/bin/perl
+
+echo " "
+if $test -d /usr/bin -a "X$installbin" != X/usr/bin; then
+ $cat <<EOM
+Many scripts expect perl to be installed as /usr/bin/perl.
+
+If you want to, I can install the perl you are about to compile
+as /usr/bin/perl (in addition to $bin/perl).
+EOM
+ if test -f /usr/bin/perl; then
+ $cat <<EOM
+
+However, please note that because you already have a /usr/bin/perl,
+overwriting that with a new Perl would very probably cause problems.
+Therefore I'm assuming you don't want to do that (unless you insist).
+
+EOM
+ case "$installusrbinperl" in
+ "$define"|[yY]*) dflt='y';;
+ *) dflt='n';;
+ esac
+ else
+ $cat <<EOM
+
+Since you don't have a /usr/bin/perl I'm assuming creating one is okay.
+
+EOM
+ case "$installusrbinperl" in
+ "$undef"|[nN]*) dflt='n';;
+ *) dflt='y';;
+ esac
+ fi
+ rp="Do you want to install perl as /usr/bin/perl?"
+ . ./myread
+ case "$ans" in
+ [yY]*) val="$define";;
+ *) val="$undef" ;;
+ esac
+else
+ val="$undef"
+fi
+set installusrbinperl
+eval $setvar
: see if dlopen exists
xxx_runnm="$runnm"
: with g++ one needs -shared to get is-in-libc to work for dlopen
case "$gccversion" in
'') ;;
+*Clang*) ;;
*) case "$d_cplusplus" in
"$define") ccflags="$ccflags -shared" ;;
esac
exit(1); /* fail */
}
EOM
- if $cc $ccflags $ldflags try.c >/dev/null 2>&1 && $run ./a.out; then
+ if $cc $ccflags $ldflags -o a.out try.c >/dev/null 2>&1 && $run ./a.out; then
bin_ELF="$define"
fi
$rm_try
esac
case "$ldflags" in
+ *-fstack-protector-strong*)
+ case "$dflt" in
+ *-fstack-protector-strong*) ;; # Don't add it again
+ *) dflt="$dflt -fstack-protector-strong" ;;
+ esac
+ ;;
*-fstack-protector*)
case "$dflt" in
*-fstack-protector*) ;; # Don't add it again
freebsd|mirbsd|netbsd|openbsd|interix|dragonfly|bitrig)
xxx="-Wl,-R$shrpdir"
;;
- bsdos|linux|irix*|dec_osf|gnu*)
+ bsdos|linux|irix*|dec_osf|gnu*|haiku)
xxx="-Wl,-rpath,$shrpdir"
;;
- haiku)
- # Haiku doesn't like the default, either.
- ;;
hpux*)
# hpux doesn't like the default, either.
tmp_shrpenv="env LDOPTS=\"+s +b${shrpdir}\""
set qgcvt d_qgcvt
eval $inlibc
+: Check what kind of doubles your system has
+$echo "Checking the kind of doubles you have..." >&4
+$cat >try.c <<EOP
+#$i_stdlib I_STDLIB
+#define DOUBLESIZE $doublesize
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+static const double d = -0.1;
+int main() {
+ unsigned const char* b = (unsigned const char*)(&d);
+#if DOUBLESIZE == 4
+ if (b[0] == 0xCD && b[3] == 0xBD) {
+ /* IEEE 754 32-bit little-endian */
+ printf("1\n");
+ exit(0);
+ }
+ if (b[0] == 0xBD && b[3] == 0xCD) {
+ /* IEEE 754 32-bit big-endian */
+ printf("2\n");
+ exit(0);
+ }
+#endif
+#if DOUBLESIZE == 8
+ if (b[0] == 0x9A && b[7] == 0xBF) {
+ /* IEEE 754 64-bit little-endian */
+ printf("3\n");
+ exit(0);
+ }
+ if (b[0] == 0xBF && b[7] == 0x9A) {
+ /* IEEE 754 64-bit big-endian */
+ printf("4\n");
+ exit(0);
+ }
+ if (b[0] == 0x99 && b[3] == 0xBF && b[4] == 0x9A && b[7] == 0x99) {
+ /* ARM mixed endian: two little-endian 32-bit floats, in big endian order:
+ * 4 5 6 7 0 1 2 3 (MSB = 7, LSB = 0)
+ * 99 99 b9 bf 9a 99 99 99 */
+ printf("7\n");
+ exit(0);
+ }
+ if (b[0] == 0x99 && b[3] == 0x9A && b[4] == 0xBF && b[7] == 0x99) {
+ /* The opposite of case 7, mixed endian: two big-endian 32-bit floats,
+ * in little endian order: 3 2 1 0 7 6 5 4 (MSB = 7, LSB = 0)
+ * 99 99 99 9a bf b9 99 99 */
+ printf("8\n");
+ exit(0);
+ }
+#endif
+#if DOUBLESIZE == 16
+ if (b[0] == 0x9A && b[15] == 0xBF) {
+ /* IEEE 754 128-bit little-endian */
+ printf("5\n");
+ exit(0);
+ }
+ if (b[0] == 0xBF && b[15] == 0x9A) {
+ /* IEEE 754 128-bit big-endian */
+ printf("6\n");
+ exit(0);
+ }
+#endif
+ /* Then there are old mainframe/miniframe formats like VAX, IBM, and CRAY.
+ * Whether those environments can still build Perl is debatable. */
+ printf("-1\n"); /* unknown */
+ exit(0);
+}
+EOP
+set try
+if eval $compile; then
+ doublekind=`$run ./try`
+else
+ doublekind=-1
+fi
+case "$doublekind" in
+1) echo "You have IEEE 754 32-bit little endian doubles." >&4 ;;
+2) echo "You have IEEE 754 32-bit big endian doubles." >&4 ;;
+3) echo "You have IEEE 754 64-bit little endian doubles." >&4 ;;
+4) echo "You have IEEE 754 64-bit big endian doubles." >&4 ;;
+5) echo "You have IEEE 754 128-bit little endian doubles." >&4 ;;
+6) echo "You have IEEE 754 128-bit big endian doubles." >&4 ;;
+7) echo "You have IEEE 754 64-bit mixed endian doubles (32-bit LEs in BE)." >&4 ;;
+8) echo "You have IEEE 754 64-bit mixed endian doubles (32-bit BEs in LE)." >&4 ;;
+*) echo "Cannot figure out your double. You VAX, or something?" >&4 ;;
+esac
+$rm_try
+
: Check print/scan long double stuff
echo " "
case "$yyy" in
123.456)
sPRIfldbl='"f"'; sPRIgldbl='"g"'; sPRIeldbl='"e"';
- sPRIFUldbl='"F"'; sPRIGUldbl='"G"'; sPRIEUldbl='"E"';
+ sPRIFUldbl='"F"'; sPRIGUldbl='"G"'; sPRIEUldbl='"E"';
echo "We will use %f."
;;
esac
case "$yyy" in
123.456)
sPRIfldbl='"Lf"'; sPRIgldbl='"Lg"'; sPRIeldbl='"Le"';
- sPRIFUldbl='"LF"'; sPRIGUldbl='"LG"'; sPRIEUldbl='"LE"';
+ sPRIFUldbl='"LF"'; sPRIGUldbl='"LG"'; sPRIEUldbl='"LE"';
echo "We will use %Lf."
;;
esac
case "$yyy" in
123.456)
sPRIfldbl='"llf"'; sPRIgldbl='"llg"'; sPRIeldbl='"lle"';
- sPRIFUldbl='"llF"'; sPRIGUldbl='"llG"'; sPRIEUldbl='"llE"';
+ sPRIFUldbl='"llF"'; sPRIGUldbl='"llG"'; sPRIEUldbl='"llE"';
echo "We will use %llf."
;;
esac
case "$yyy" in
123.456)
sPRIfldbl='"lf"'; sPRIgldbl='"lg"'; sPRIeldbl='"le"';
- sPRIFUldbl='"lF"'; sPRIGUldbl='"lG"'; sPRIEUldbl='"lE"';
+ sPRIFUldbl='"lF"'; sPRIGUldbl='"lG"'; sPRIEUldbl='"lE"';
echo "We will use %lf."
;;
esac
;;
esac
+: Before committing on uselongdouble, see whether that looks sane.
+if $test "$uselongdouble" = "$define"; then
+ message=""
+ echo " "
+ echo "Checking if your long double math functions work right..." >&4
+ $cat > try.c <<EOF
+#include <math.h>
+#include <stdio.h>
+int main() {
+ printf("%"$sPRIgldbl"\n", sqrtl(logl(expl(cosl(sinl(0.0L))))+powl(2.0L, 3.0L)));
+}
+EOF
+ case "$osname:$gccversion" in
+ aix:) saveccflags="$ccflags"
+ ccflags="$ccflags -qlongdouble" ;; # to avoid core dump
+ esac
+ set try
+ if eval $compile_ok; then
+ yyy=`$run ./try`
+ fi
+ case "$yyy" in
+ 3) echo "Your long double math functions are working correctly." >&4 ;;
+ *) echo "Your long double math functions are broken, not using long doubles." >&4
+ uselongdouble=$undef
+ ;;
+ esac
+ $rm_try
+ case "$osname:$gccversion" in
+ aix:) ccflags="$saveccflags" ;; # restore
+ esac
+fi
+
: Check how to convert floats to strings.
if test "X$d_Gconvert" = X; then
set accessx d_accessx
eval $inlibc
+: see if acosh exists
+set acosh d_acosh
+eval $inlibc
+
: see if aintl exists
set aintl d_aintl
eval $inlibc
eval $setvar;
$rm_try'
+: Define hasfield_t macro for Configure internal use
+hasfield_t='varname=$1; struct=$2; type=$3; field=$4; shift; shift; shift; shift;
+while $test $# -ge 2; do
+ case "$1" in
+ $define) echo "#include <$2>";;
+ esac ;
+ shift 2;
+done > try.c;
+echo "int main () { $struct foo; $type bar = foo.$field; }" >> try.c;
+set try;
+if eval $compile; then
+ val="$define";
+else
+ val="$undef";
+fi;
+set $varname;
+eval $setvar;
+$rm_try'
+
: see if we should include time.h, sys/time.h, or both
echo " "
if test "X$timeincl" = X; then
;;
esac
+: see if asinh exists
+set asinh d_asinh
+eval $inlibc
+
+: see if atanh exists
+set atanh d_atanh
+eval $inlibc
+
: see if atolf exists
set atolf d_atolf
eval $inlibc
EOCP
set try
if eval $compile_ok; then
- $run ./try
+ $run ./try 2>/dev/null
yyy=$?
else
echo "(I can't seem to compile the test program--assuming it can't)"
EOCP
set try
if eval $compile_ok; then
- $run ./try
+ $run ./try 2>/dev/null
castflags=$?
else
echo "(I can't seem to compile the test program--assuming it can't)"
eval $setvar
$rm_try
+: see if cbrt exists
+set cbrt d_cbrt
+eval $inlibc
+
: see if vprintf exists
echo " "
if set vprintf val -f d_vprintf; eval $csym; $val; then
set d_const
eval $setvar
+: see if copysign exists
+set copysign d_copysign
+eval $inlibc
+
: see if copysignl exists
set copysignl d_copysignl
eval $inlibc
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
echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4
case "$eagain" in
'')
- case "$d_fork:$d_pipe" in
- define:define)
+ case "$d_fork:$d_pipe:$d_alarm" in
+ define:define:define)
$cat head.c > try.c
$cat >>try.c <<EOCP
#include <errno.h>
esac
$rm_try head.c mtry
+: see if erf exists
+set erf d_erf
+eval $inlibc
+
+: see if erfc exists
+set erfc d_erfc
+eval $inlibc
+
+: see if exp2 exists
+set exp2 d_exp2
+eval $inlibc
+
+: see if expm1 exists
+set expm1 d_expm1
+eval $inlibc
+
: see if _ptr and _cnt from stdio act std
echo " "
fi
$rm_try
+: see if fdclose exists
+set fdclose d_fdclose
+eval $inlibc
+
+: see if fdim exists
+set fdim d_fdim
+eval $inlibc
+
+: see if fegetround exists
+set fegetround d_fegetround
+eval $inlibc
+
: see if fgetpos exists
set fgetpos d_fgetpos
eval $inlibc
set d_flockproto flock $i_sysfile sys/file.h
eval $hasproto
+: see if fma exists
+set fma d_fma
+eval $inlibc
+
+: see if fmax exists
+set fmax d_fmax
+eval $inlibc
+
+: see if fmin exists
+set fmin d_fmin
+eval $inlibc
+
: see if fp_class exists
set fp_class d_fp_class
eval $inlibc
+: see if this is a math.h system
+set math.h i_math
+eval $inhdr
+
+: check for fpclassify
+echo "Checking to see if you have fpclassify..." >&4
+$cat >try.c <<EOCP
+#$i_math I_MATH
+#ifdef I_MATH
+#include <math.h>
+#endif
+int main() { return fpclassify(1.0) == FP_NORMAL ? 0 : 1; }
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo "You have fpclassify."
+else
+ val="$undef"
+ echo "You do not have fpclassify."
+fi
+$rm_try
+set d_fpclassify
+eval $setvar
+
+: see if fp_classify exists
+set fp_classify d_fp_classify
+eval $inlibc
+
+: see if fp_classl exists
+set fp_classl d_fp_classl
+eval $inlibc
+
: see if pathconf exists
set pathconf d_pathconf
eval $inlibc
set fpclass d_fpclass
eval $inlibc
-: see if fpclassify exists
-set fpclassify d_fpclassify
-eval $inlibc
-
: see if fpclassl exists
set fpclassl d_fpclassl
eval $inlibc
+: see if fpgetround exists
+set fpgetround d_fpgetround
+eval $inlibc
+
: check for fpos64_t
echo " "
echo "Checking to see if you have fpos64_t..." >&4
set d_htonl
eval $setvar
+: see if hypot exists
+set hypot d_hypot
+eval $inlibc
+
+: see if ilogb exists
+set ilogb d_ilogb
+eval $inlibc
+
: see if ilogbl exists
set ilogbl d_ilogbl
eval $inlibc
return 1 ;
}
EOCP
-if $cc $ccflags $ldflags -o isblank isblank.c $libs >/dev/null 2>&1 ; then
- echo "isblank() found." >&4
+if $cc $ccflags $ldflags -o isblank isblank.c $libs >/dev/null 2>&1 ; then
+ echo "isblank() found." >&4
+ val="$define"
+else
+ echo "isblank() NOT found." >&4
+ val="$undef"
+fi
+set d_isblank
+eval $setvar
+$rm -f isblank*
+
+: check for isfinite
+echo "Checking to see if you have isfinite..." >&4
+$cat >try.c <<EOCP
+#$i_math I_MATH
+#ifdef I_MATH
+#include <math.h>
+#endif
+int main() { return isfinite(0.0); }
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo "You have isfinite."
+else
+ val="$undef"
+ echo "You do not have isfinite."
+fi
+$rm_try
+set d_isfinite
+eval $setvar
+
+: see if isfinitel exists
+set isfinitel d_isfinitel
+eval $inlibc
+
+: check for isinf
+echo "Checking to see if you have isinf..." >&4
+$cat >try.c <<EOCP
+#$i_math I_MATH
+#ifdef I_MATH
+#include <math.h>
+#endif
+int main() { return isinf(0.0); }
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo "You have isinf."
+else
+ val="$undef"
+ echo "You do not have isinf."
+fi
+$rm_try
+set d_isinf
+eval $setvar
+
+: see if isinfl exists
+set isinfl d_isinfl
+eval $inlibc
+
+: check for isless
+echo "Checking to see if you have isless..." >&4
+$cat >try.c <<EOCP
+#$i_math I_MATH
+#ifdef I_MATH
+#include <math.h>
+#endif
+int main() { return isless(0.0); }
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo "You have isless."
+else
+ val="$undef"
+ echo "You do not have isless."
+fi
+$rm_try
+set d_isless
+eval $setvar
+
+: check for isnan
+echo "Checking to see if you have isnan..." >&4
+$cat >try.c <<EOCP
+#$i_math I_MATH
+#ifdef I_MATH
+#include <math.h>
+#endif
+int main() { return isnan(0.0); }
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo "You have isnan."
+else
+ val="$undef"
+ echo "You do not have isnan."
+fi
+$rm_try
+set d_isnan
+eval $setvar
+
+: see if isnanl exists
+set isnanl d_isnanl
+eval $inlibc
+
+: check for isnormal
+echo "Checking to see if you have isnormal..." >&4
+$cat >try.c <<EOCP
+#$i_math I_MATH
+#ifdef I_MATH
+#include <math.h>
+#endif
+int main() { return isnormal(0.0); }
+EOCP
+set try
+if eval $compile; then
val="$define"
+ echo "You have isnormal."
else
- echo "isblank() NOT found." >&4
val="$undef"
+ echo "You do not have isnormal."
fi
-set d_isblank
+$rm_try
+set d_isnormal
eval $setvar
-$rm -f isblank*
-: see if isfinite exists
-set isfinite d_isfinite
+: see if j0 exists
+set j0 d_j0
eval $inlibc
-: see if isinf exists
-set isinf d_isinf
+: see if j0l exists
+set j0l d_j0l
eval $inlibc
-: see if isnan exists
-set isnan d_isnan
+: see if killpg exists
+set killpg d_killpg
eval $inlibc
-: see if isnanl exists
-set isnanl d_isnanl
+: see if localeconv exists
+set localeconv d_locconv
eval $inlibc
-: see if killpg exists
-set killpg d_killpg
-eval $inlibc
+: see if libc has the POSIX.1-2008 currency locale rules
+case "$d_locconv:$d_lc_monetary_2008" in
+$define:)
+ $cat >try.c <<EOCP
+#include <locale.h>
+int main() {
+ struct lconv *lc = localeconv();
+ char int_p_cs_precedes = lc->int_p_cs_precedes;
+ return 0;
+}
+EOCP
+ set try
+ if eval $compile; then
+ d_lc_monetary_2008="$define"
+ else
+ d_lc_monetary_2008="$undef"
+ fi;
+ $rm_try
+ ;;
+esac
: see if lchown exists
echo " "
set d_ldbl_dig
eval $setvar
-: see if this is a math.h system
-set math.h i_math
-eval $inhdr
+: see if lgamma exists
+set lgamma d_lgamma
+eval $inlibc
+
+: see if lgamma_r exists
+set lgamma_r d_lgamma_r
+eval $inlibc
: check to see if math.h defines _LIB_VERSION
d_libm_lib_version="$undef"
set link d_link
eval $inlibc
+: see if llrint exists
+set llrint d_llrint
+eval $inlibc
+
+: see if llrintl exists
+set llrintl d_llrintl
+eval $inlibc
+
+: see if llround exists
+set llround d_llround
+eval $inlibc
+
+: see if llroundl exists
+set llroundl d_llroundl
+eval $inlibc
+
: see if localtime_r exists
set localtime_r d_localtime_r
eval $inlibc
esac
$rm_try
-: see if localeconv exists
-set localeconv d_locconv
-eval $inlibc
-
: see if lockf exists
set lockf d_lockf
eval $inlibc
+: see if log1p exists
+set log1p d_log1p
+eval $inlibc
+
+: see if log2 exists
+set log2 d_log2
+eval $inlibc
+
+: see if logb exists
+set logb d_logb
+eval $inlibc
+
+: see if lrint exists
+set lrint d_lrint
+eval $inlibc
+
+: see if lrintl exists
+set lrintl d_lrintl
+eval $inlibc
+
+: see if lround exists
+set lround d_lround
+eval $inlibc
+
+: see if lroundl exists
+set lroundl d_lroundl
+eval $inlibc
+
: see if prototype for lseek is available
echo " "
set d_lseekproto lseek $i_systypes sys/types.h $i_unistd unistd.h
set scalbnl d_scalbnl
eval $inlibc
+: see if truncl exists
+set truncl d_truncl
+eval $inlibc
+
: see if modfl exists
set modfl d_modfl
eval $inlibc
message="$message sqrtl"
fi
if $test "$d_modfl" != "$define"; then
- if $test "$d_aintl:$d_copysignl" = "$define:$define"; then
- echo "You have both aintl and copysignl, so I can emulate modfl."
+ if $test "$d_truncl:$d_copysignl" = "$define:$define"; then
+ echo "You have both truncl and copysignl, so I can emulate modfl."
else
- message="$message modfl"
+ if $test "$d_aintl:$d_copysignl" = "$define:$define"; then
+ echo "You have both aintl and copysignl, so I can emulate modfl."
+ else
+ message="$message modfl"
+ fi
fi
fi
if $test "$d_frexpl" != "$define"; then
message="$message frexpl"
fi
fi
+ if $test "$d_ldexpl" != "$define"; then
+ message="$message ldexpl"
+ fi
if $test "$message" != ""; then
$cat <<EOM >&4
set munmap d_munmap
eval $inlibc
+: see if nan exists
+set nan d_nan
+eval $inlibc
+
+: see if nearbyint exists
+set nearbyint d_nearbyint
+eval $inlibc
+
+: see if nextafter exists
+set nextafter d_nextafter
+eval $inlibc
+
+: see if nexttoward exists
+set nexttoward d_nexttoward
+eval $inlibc
+
: see if nice exists
set nice d_nice
eval $inlibc
set nl_langinfo d_nl_langinfo
eval $inlibc
+: see if this is a quadmath.h system
+set quadmath.h i_quadmath
+eval $inhdr
+
: check for volatile keyword
echo " "
echo 'Checking to see if your C compiler knows about "volatile"...' >&4
;;
esac
+case "$usequadmath:$i_quadmath" in
+define:define)
+ nvtype="__float128"
+ nvsize=16
+ case "$libs" in
+ *quadmath*) ;;
+ *) $cat <<EOM >&4
+
+*** You requested the use of the quadmath library, but you
+*** do not seem to have the quadmath library installed.
+*** Cannot continue, aborting.
+EOM
+ exit 1
+ ;;
+ esac
+ ;;
+define:*) $cat <<EOM >&4
+
+*** You requested the use of the quadmath library, but you
+*** do not seem to have the required header, <quadmath.h>.
+EOM
+ case "$gccversion" in
+ [23].*|4.[0-5]*)
+ $cat <<EOM >&4
+*** Your gcc looks a bit old:
+*** $gccversion
+EOM
+ ;;
+ '')
+ $cat <<EOM >&4
+*** You are not running a gcc.
+EOM
+ ;;
+ esac
+ $cat <<EOM >&4
+*** For the quadmath library you need at least gcc 4.6.
+*** Cannot continue, aborting.
+EOM
+ exit 1
+ ;;
+esac
+
$echo "(IV will be "$ivtype", $ivsize bytes)"
$echo "(UV will be "$uvtype", $uvsize bytes)"
$echo "(NV will be "$nvtype", $nvsize bytes)"
case $d_prctl in
$define)
$cat >try.c <<EOM
+#ifdef __ANDROID__
+#include <unistd.h>
+#endif
#include <sys/prctl.h>
int main (int argc, char *argv[])
set readlink d_readlink
eval $inlibc
-: Check if exe is symlink to abs path of executing program
+: Check if there is a /proc symlink to the abs path of
+: the executing program. We will honor hints of d_procselfexe=$undef
+: or procselfexe being non-empty, otherwise will try to determine both
+: if we have readlink.
+: AmigaOS will attempt to mount proc: aka /proc, if /proc/... is
+: referenced, and AmigaOS does not have a proc filesystem anyway.
echo " "
-procselfexe=''
val="$undef"
-case "$d_readlink" in
- "$define")
- : NetBSD first as /proc/self is a symlink to /proc/curproc, and it feels
- : more tidy to avoid an extra level of symlink
+if $test "X$d_procselfexe" = Xundef; then
+ procselfexe=''
+elif $test "X$procselfexe" != X -a "X$procselfexe" != 'X '; then
+ val="$define"
+elif $test "X$d_readlink" = Xdefine; then
+ : NetBSD first as /proc/self is a symlink to /proc/curproc,
+ : and it feels more tidy to avoid an extra level of symlink
set NetBSD /proc/curproc/exe Linux /proc/self/exe FreeBSD /proc/curproc/file Solaris /proc/self/path/a.out
while test $# -gt 0; do
type=$1; try=$2
fi
fi
done
- ;;
-esac
+fi
$rm -f reflect
set d_procselfexe
eval $setvar
set recvmsg d_recvmsg
eval $inlibc
+: see if regcomp, regcmp, or re_comp exist, for regular pattern matching
+echo " "
+if set regcomp val -f d_regcomp; eval $csym; $val; then
+ echo 'regcomp() found.' >&4
+ d_regcomp="$define"
+ d_regcmp="$undef"
+ d_re_comp="$undef"
+elif set regcmp val -f d_regcmp; eval $csym; $val; then
+ echo 'regcmp() found.' >&4
+ d_regcmp="$define"
+ d_regcomp="$undef"
+ d_re_comp="$undef"
+elif set re_comp val -f d_re_comp; eval $csym; $val; then
+ echo 're_comp() found, assuming re_exec() also exists.' >&4
+ d_re_comp="$define"
+ d_regcomp="$undef"
+ d_regcmp="$undef"
+else
+ $cat >&4 <<EOM
+No regcomp(), regcmp() nor re_comp() found !! No regular pattern matching.
+EOM
+ d_regcmp="$undef"
+ d_re_comp="$undef"
+ d_regcomp="$undef"
+fi
+
+: see if remainder exists
+set remainder d_remainder
+eval $inlibc
+
+: see if remquo exists
+set remquo d_remquo
+eval $inlibc
+
: see if rename exists
set rename d_rename
eval $inlibc
+: see if rint exists
+set rint d_rint
+eval $inlibc
+
: see if rmdir exists
set rmdir d_rmdir
eval $inlibc
+: see if round exists
+set round d_round
+eval $inlibc
+
: see if memory.h is available.
val=''
set memory.h val
set d_sbrkproto sbrk $i_unistd unistd.h
eval $hasproto
+: see if scalbn exists
+set scalbn d_scalbn
+eval $inlibc
+
: see if select exists
set select d_select
eval $inlibc
set d_sresuproto setresuid $i_unistd unistd.h
eval $hasproto
+: see if stat exists
+set stat d_stat
+eval $inlibc
+
: see if sys/stat.h is available
set sys/stat.h i_sysstat
eval $inhdr
set d_telldirproto telldir $i_systypes sys/types.h $i_dirent dirent.h
eval $hasproto
+: see if tgamma exists
+set tgamma d_tgamma
+eval $inlibc
+
: see if time exists
echo " "
if test "X$d_time" = X -o X"$timetype" = X; then
;;
esac
+: see if trunc exists
+set trunc d_trunc
+eval $inlibc
+
: see if truncate exists
set truncate d_truncate
eval $inlibc
;;
esac
+: Check what kind of inf/nan your system has
+$echo "Checking the kind of infinities and nans you have..." >&4
+$cat >try.c <<EOP
+#define DOUBLESIZE $doublesize
+#$d_longdbl HAS_LONG_DOUBLE
+#ifdef HAS_LONG_DOUBLE
+#define LONGDBLSIZE $longdblsize
+#define LONGDBLKIND $longdblkind
+#endif
+#$i_math I_MATH
+#ifdef I_MATH
+#include <math.h>
+#endif
+#include <stdio.h>
+/* Note that whether the sign bit is on or off
+ * for NaN depends on the CPU/FPU, and possibly
+ * can be affected by the build toolchain.
+ *
+ * For example for older MIPS and HP-PA 2.0 the quiet NaN is:
+ * 0x7f, 0xf7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+ * 0x7f, 0xf4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ * (respectively) as opposed to the more usual
+ * 0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ */
+static void bytes(unsigned char *p, unsigned int n) {
+ int i;
+ for (i = 0; i < n; i++) {
+ printf("0x%02x%s", p[i], i < n - 1 ? ", " : "\n");
+ }
+}
+int main(int argc, char *argv[]) {
+ /* We cannot use 1.0/0.0 and 0.0/0.0 (with L suffixes for long double)
+ * because some compilers are 'smart' and not only warn but refuse to
+ * compile such 'illegal' values. */
+ double dinf = exp(1e9);
+ double dnan = sqrt(-1.0);
+#ifdef HAS_LONG_DOUBLE
+ long double ldinf = (long double)exp(1e9);
+ long double ldnan = (long double)sqrt(-1.0);
+#endif
+ if (argc == 2) {
+ switch (argv[1][0]) {
+ case '1': bytes(&dinf, sizeof(dinf)); break;
+ case '2': bytes(&dnan, sizeof(dnan)); break;
+#ifdef HAS_LONG_DOUBLE
+# if LONG_DOUBLEKIND == 3 || LONG_DOUBLEKIND == 4
+/* the 80-bit long doubles might have garbage in their excess bytes */
+ memset((char *)&ldinf + 10, '\0', LONG_DOUBLESIZE - 10);
+# endif
+ case '3': bytes(&ldinf, sizeof(ldinf)); break;
+ case '4': bytes(&ldnan, sizeof(ldnan)); break;
+#endif
+ }
+ }
+ return 0;
+}
+EOP
+set try
+if eval $compile; then
+ doubleinfbytes=`$run ./try 1`
+ doublenanbytes=`$run ./try 2`
+ case "$d_longdbl" in
+ $define)
+ longdblinfbytes=`$run ./try 3`
+ longdblnanbytes=`$run ./try 4`
+ ;;
+ esac
+else
+ # Defaults in case the above test program failed.
+ case "$doublekind" in
+ 1) # IEEE 754 32-bit LE
+ doubleinfbytes='0x00, 0x00, 0xf0, 0x7f'
+ doublenanbytes='0x00, 0x00, 0xf8, 0x7f'
+ ;;
+ 2) # IEEE 754 32-bit BE
+ doubleinfbytes='0x7f, 0xf0, 0x00, 0x00'
+ doublenanbytes='0x7f, 0xf8, 0x00, 0x00'
+ ;;
+ 3) # IEEE 754 64-bit LE
+ doubleinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f'
+ doublenanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f'
+ ;;
+ 4) # IEEE 754 64-bit BE
+ doubleinfbytes='0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ doublenanbytes='0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ 5) # IEEE 754 128-bit LE
+ doubleinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f'
+ doublenanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f'
+ ;;
+ 6) # IEEE 754 128-bit BE
+ doubleinfbytes='0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ doublenanbytes='0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ 7) # IEEE 754 64-bit mixed: 32-bit LEs in BE
+ doubleinfbytes='0x00, 0x00, 0xf0, 0x7f, 0x00, 0x00, 0x00, 0x00'
+ doublenanbytes='0x00, 0x00, 0xf8, 0x7f, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ 8) # IEEE 754 64-bit mixed: 32-bit BEs in LE
+ doubleinfbytes='0x00, 0x00, 0x00, 0x00, 0x7f, 0xf0, 0x00, 0x00'
+ doublenanbytes='0x00, 0x00, 0x00, 0x00, 0x7f, 0xf8, 0x00, 0x00'
+ ;;
+ *) # No idea.
+ doubleinfbytes=$undef
+ doublenanbytes=$undef
+ ;;
+ esac
+ case "$longdblkind" in
+ 1) # IEEE 754 128-bit LE
+ longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x7f'
+ longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x7f'
+ ;;
+ 2) # IEEE 754 128-bit BE
+ longdblinfbytes='0x7f, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ longdblnanbytes='0x7f, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ 3) # IEEE 754 80-bit LE, 12 or 16 bytes (x86)
+ case "$longdblsize" in
+ 12) # x86 32-bit (96 bits, or 4 x 32, or 12 x 8)
+ longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x7f, 0x00, 0x00'
+ longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, 0x7f, 0x00, 0x00'
+ ;;
+ 16) # x86_64
+ longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ *) # No idea.
+ longdblinfbytes=$undef
+ longdblnanbytes=$undef
+ ;;
+ esac
+ ;;
+ 4) # IEEE 754 80-bit BE, 12 or 16 bytes
+ case "$longdblsize" in
+ 12) # 32-bit system
+ longdblinfbytes='0x7f, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ longdblnanbytes='0x7f, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ 16) # 64-bit system
+ longdblinfbytes='0x7f, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ longdblnanbytes='0x7f, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ *) # No idea.
+ longdblinfbytes=$undef
+ longdblnanbytes=$undef
+ ;;
+ esac
+ ;;
+ 5) # 128-bit LE-LE "double double"
+ longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f'
+ longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f'
+ ;;
+ 6) # 128-bit BE-BE "double double"
+ longdblinfbytes='0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ longdblnanbytes='0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ 7) # 128-bit LE-BE "double double"
+ longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ 8) # 128-bit BE-LE "double double"
+ longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+ ;;
+ *) # No idea.
+ longdblinfbytes=$undef
+ longdblnanbytes=$undef
+ ;;
+ esac
+fi
+$rm_try
+
+: Check the length of the double mantissa
+$echo "Checking how many mantissa bits your doubles have..." >&4
+$cat >try.c <<EOP
+#$i_float I_FLOAT
+#$i_sunmath I_SUNMATH
+#ifdef I_FLOAT
+# include <float.h>
+#endif
+#ifdef I_SUNMATH
+# include <sunmath.h>
+#endif
+#ifdef DBL_MANT_DIG
+# define BITS (DBL_MANT_DIG - 1) /* the implicit bit does not count */
+#endif
+#include <stdio.h>
+int main(int argc, char *argv[]) {
+#ifdef BITS
+ printf("%d\n", BITS);
+#endif
+ return 0;
+}
+EOP
+set try
+if eval $compile; then
+ doublemantbits=`$run ./try`
+else
+ doublemantbits="$undef"
+fi
+$rm_try
+
+: Check the length of the longdouble mantissa
+$echo "Checking how many mantissa bits your long doubles have..." >&4
+$cat >try.c <<EOP
+#$i_float I_FLOAT
+#$i_sunmath I_SUNMATH
+#ifdef I_FLOAT
+# include <float.h>
+#endif
+#ifdef I_SUNMATH
+# include <sunmath.h>
+#endif
+#$d_longdbl HAS_LONG_DOUBLE
+#if defined(HAS_LONG_DOUBLE) && defined(LDBL_MANT_DIG)
+# if ($longdblkind == 3) || ($longdblkind == 4) /* 80-bit extended precision */
+/* This format has no implicit bit. Beware, however, that for
+ * this format the bare LDBL_MANT_DIG is misleading for inf/nan:
+ * the top three bits are used for inf (100) / qnan (11x) / snan (101),
+ * and the top bit must have been one since 387, zero is plain invalid.
+ * For normal fp values, the LDBL_MANT_DIG is fine, though. */
+# define BITS LDBL_MANT_DIG
+# elif ($longdblkind == 5 || $longdblkind == 6 || $longdblkind == 7 || $longdblkind == 8) /* double double */
+/* LDBL_MANT_DIG of 106 (twice 53) would be logical, but for some
+ * reason e.g. Irix thinks 107. But in any case, we want only
+ * the number of real bits, the implicit bits are of no interest. */
+# define BITS 2 * (DBL_MANT_DIG - 1)
+# else
+# define BITS (LDBL_MANT_DIG - 1) /* the implicit bit does not count */
+# endif
+#endif
+#include <stdio.h>
+int main(int argc, char *argv[]) {
+#ifdef BITS
+ printf("%d\n", BITS);
+#endif
+ return 0;
+}
+EOP
+set try
+if eval $compile; then
+ longdblmantbits=`$run ./try`
+else
+ longdblmantbits="$undef"
+fi
+$rm_try
+
+: Check the length of the NV mantissa
+$echo "Checking how many mantissa bits your NVs have..." >&4
+if test "X$usequadmath" = "X$define"; then
+ nvmantbits=112 # 128-1-15
+else
+ if test "X$nvsize" = "X$doublesize"; then
+ nvmantbits="$doublemantbits"
+ else
+ if test "X$nvsize" = "X$longdblsize"; then
+ nvmantbits="$longdblmantbits"
+ else
+ nvmantbits="$undef"
+ fi
+ fi
+fi
+
: How can we generate normalized random numbers ?
echo " "
echo "Using our internal random number implementation..." >&4
fi
fi
-if $test X"$uselongdouble" = X"$define" -a X"$d_longdbl" = X"$define" -a X"$d_PRIgldbl" = X"$define"; then
+if $test X"$usequadmath" = X"$define"; then
+ nveformat='"Qe"'
+ nvfformat='"Qf"'
+ nvgformat='"Qg"'
+ nvEUformat='"QE"'
+ nvFUformat='"QF"'
+ nvGUformat='"QG"'
+else
+ if $test X"$uselongdouble" = X"$define" -a X"$d_longdbl" = X"$define" -a X"$d_PRIgldbl" = X"$define"; then
nveformat="$sPRIeldbl"
nvfformat="$sPRIfldbl"
nvgformat="$sPRIgldbl"
nvEUformat="$sPRIEUldbl"
nvFUformat="$sPRIFUldbl"
nvGUformat="$sPRIGUldbl"
-else
+ else
nveformat='"e"'
nvfformat='"f"'
nvgformat='"g"'
nvEUformat='"E"'
nvFUformat='"F"'
nvGUformat='"G"'
+ fi
fi
case "$ivdformat" in
set size_t sizetype 'unsigned int' stdio.h sys/types.h
eval $typedef_ask
-: check for type of arguments to gethostbyaddr.
+: check for type of arguments to gethostbyaddr.
if test "X$netdb_host_type" = X -o "X$netdb_hlen_type" = X; then
case "$d_gethbyaddr" in
$define)
Checking to see what type of arguments are accepted by gethostbyaddr().
EOM
hdrs="$define sys/types.h
- $d_socket sys/socket.h
- $i_niin netinet/in.h
+ $d_socket sys/socket.h
+ $i_niin netinet/in.h
$i_netdb netdb.h
$i_unistd unistd.h"
: The first arg can 'char *' or 'void *'
netdb_hlen_type="$sizetype"
;;
esac
- # Remove the "const" if needed. -- but then we'll have a
+ # Remove the "const" if needed. -- but then we'll have a
# prototype clash!
# netdb_host_type=`echo "$netdb_host_type" | sed 's/^const //'`
fi
-: check for type of argument to gethostbyname.
+: check for type of argument to gethostbyname.
if test "X$netdb_name_type" = X ; then
case "$d_gethbyname" in
$define)
Checking to see what type of argument is accepted by gethostbyname().
EOM
hdrs="$define sys/types.h
- $d_socket sys/socket.h
- $i_niin netinet/in.h
+ $d_socket sys/socket.h
+ $i_niin netinet/in.h
$i_netdb netdb.h
$i_unistd unistd.h"
for xxx in "const char *" "char *"; do
esac
fi
-: check for type of 1st argument to getnetbyaddr.
+: check for type of 1st argument to getnetbyaddr.
if test "X$netdb_net_type" = X ; then
case "$d_getnbyaddr" in
$define)
Checking to see what type of 1st argument is accepted by getnetbyaddr().
EOM
hdrs="$define sys/types.h
- $d_socket sys/socket.h
- $i_niin netinet/in.h
+ $d_socket sys/socket.h
+ $i_niin netinet/in.h
$i_netdb netdb.h
$i_unistd unistd.h"
for xxx in in_addr_t "unsigned long" long "unsigned int" int; do
int main (int argc, char *argv[])
{
- fprintf (stderr, "Sizeof time_t = %ld\n", sizeof (time_t));
+ /* fprintf (stderr, "Sizeof time_t = %ld\n", sizeof (time_t)); */
check_max ();
check_min ();
return (0);
EOCP
set try
if eval $compile; then
- eval `$run ./try`
+ eval `$run ./try 2>/dev/null`
else
echo "Cannot determine sGMTIME_max and sGMTIME_min." >&4
fi
EOCP
set try
if eval $compile; then
- eval `$run ./try`
+ eval `$run ./try 2>/dev/null`
else
echo "Cannot determine sLOCALTIME_max and sLOCALTIME_min." >&4
fi
EOCP
set try
if eval $compile_ok; then
- selectminbits=`$run ./try`
+ selectminbits=`$run ./try 2>/dev/null`
case "$selectminbits" in
'') cat >&4 <<EOM
Cannot figure out on how many bits at a time your select() operates.
esac
: Trace out the files included by signal.h, then look for SIGxxx names.
+case "$sig_num_init" in
+'')
if [ "X$fieldn" = X ]; then
: Just make some guesses. We check them later.
xxx="$sysroot/usr/include/signal.h $sysroot/usr/include/sys/signal.h"
}'
sig_size=`echo $sig_name | awk '{print NF}'`
$rm -f signal signal.c signal.awk signal.lst signal_cmd
+;;
+esac
: Check size of size
echo " "
;;
esac
+: see what siginfo fields we have
+case "$d_sigaction" in
+"$define")
+ echo "Checking if your siginfo_t has si_errno field...">&4
+ set d_siginfo_si_errno siginfo_t int si_errno $d_sigaction signal.h
+ eval $hasfield_t;
+
+ echo "Checking if your siginfo_t has si_pid field...">&4
+ set d_siginfo_si_pid siginfo_t $pidtype si_pid $d_sigaction signal.h
+ eval $hasfield_t;
+
+ echo "Checking if your siginfo_t has si_uid field...">&4
+ set d_siginfo_si_uid siginfo_t $uidtype si_uid $d_sigaction signal.h
+ eval $hasfield_t;
+
+ echo "Checking if your siginfo_t has si_addr field...">&4
+ set d_siginfo_si_addr siginfo_t "void *" si_addr $d_sigaction signal.h
+ eval $hasfield_t;
+
+ echo "Checking if your siginfo_t has si_status field...">&4
+ set d_siginfo_si_status siginfo_t int si_status $d_sigaction signal.h
+ eval $hasfield_t;
+
+ echo "Checking if your siginfo_t has si_band field...">&4
+ set d_siginfo_si_band siginfo_t long si_band $d_sigaction signal.h
+ eval $hasfield_t;
+
+ echo "Checking if your siginfo_t has si_value field...">&4
+ set d_siginfo_si_value siginfo_t "union sigval" si_value $d_sigaction signal.h
+ eval $hasfield_t;
+
+ ;;
+esac
+
: Determine if we can use sysctl with KERN_PROC_PATHNAME to find executing program
echo " "
echo "Determining whether we can use sysctl with KERN_PROC_PATHNAME to find executing program..." >&4
set execinfo.h i_execinfo
eval $inhdr
+: see if this is a fenv.h system
+set fenv.h i_fenv
+eval $inhdr
+
: see if this is a fp.h system
set fp.h i_fp
eval $inhdr
: add -D_FORTIFY_SOURCE if feasible and not already there
case "$gccversion" in
-4.*) case "$optimize$ccflags" in
+[45].*) case "$optimize$ccflags" in
*-O*) case "$ccflags$cppsymbols" in
*_FORTIFY_SOURCE=*) # Don't add it again.
echo "You seem to have -D_FORTIFY_SOURCE already, not adding it." >&4
;;
esac
;;
- *) echo "You have gcc 4.* but not optimizing, not adding -D_FORTIFY_SOURCE." >&4
+ *) echo "You have gcc 4.* or later but not optimizing, not adding -D_FORTIFY_SOURCE." >&4
;;
esac
;;
-*) echo "You seem not to have gcc 4.*, not adding -D_FORTIFY_SOURCE." >&4
+*) echo "You seem not to have gcc 4.* or later, not adding -D_FORTIFY_SOURCE." >&4
;;
esac
set stddef.h i_stddef
eval $inhdr
+: see if stdint is available
+set stdint.h i_stdint
+eval $inhdr
+
: see if sys/access.h is available
set sys/access.h i_sysaccess
eval $inhdr
case "$xxx" in
DynaLoader|dynaload) ;;
*)
- this_ext=`echo $xxx | $sed -e s/-/\\\//g`;
+ this_ext=`echo "$xxx" | $sed -e s/-/\\\//g`;
case "$this_ext" in
Scalar/List/Utils) this_ext="List/Util" ;;
PathTools) this_ext="Cwd" ;;
esac;
- echo " $xs_extensions $nonxs_extensions" > $tdir/$$.tmp;
- if $contains " $this_ext " $tdir/$$.tmp; then
+ echo " $xs_extensions $nonxs_extensions" > "$tdir/$$.tmp";
+ if $contains " $this_ext " "$tdir/$$.tmp"; then
echo >&4;
echo "Duplicate directories detected for extension $xxx" >&4;
echo "Configure cannot correctly recover from this - shall I abort?" >&4;
esac;
echo "Ok. You will need to correct config.sh before running make." >&4;
fi;
- $ls -1 $xxx > $tdir/$$.tmp;
- if $contains "\.xs$" $tdir/$$.tmp > /dev/null 2>&1; then
+ $ls -1 "$xxx" > "$tdir/$$.tmp";
+ if $contains "\.xs$" "$tdir/$$.tmp" > /dev/null 2>&1; then
xs_extensions="$xs_extensions $this_ext";
- elif $contains "\.c$" $tdir/$$.tmp > /dev/null 2>&1; then
+ elif $contains "\.c$" "$tdir/$$.tmp" > /dev/null 2>&1; then
xs_extensions="$xs_extensions $this_ext";
- elif $test -d $xxx; then
+ elif $test -d "$xxx"; then
nonxs_extensions="$nonxs_extensions $this_ext";
fi;
- $rm -f $tdir/$$.tmp;
+ $rm -f "$tdir/$$.tmp";
;;
esac;
done'
avail_ext=''
for xxx in $xs_extensions ; do
case "$xxx" in
+ Amiga*)
+ case "$osname" in
+ amigaos) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
DB_File|db_file)
case "$i_db" in
$define) avail_ext="$avail_ext $xxx" ;;
esac
;;
Sys/Syslog|sys/syslog)
- : XXX syslog requires socket
- case "$d_socket" in
- true|$define|y) avail_ext="$avail_ext $xxx" ;;
+ case $osname in
+ amigaos) ;; # not really very useful on AmigaOS
+ *)
+ : XXX syslog requires socket
+ case "$d_socket" in
+ true|$define|y) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
esac
;;
Thread|thread)
d__fwalk='$d__fwalk'
d_access='$d_access'
d_accessx='$d_accessx'
+d_acosh='$d_acosh'
d_aintl='$d_aintl'
d_alarm='$d_alarm'
d_archlib='$d_archlib'
d_asctime64='$d_asctime64'
d_asctime_r='$d_asctime_r'
+d_asinh='$d_asinh'
+d_atanh='$d_atanh'
d_atolf='$d_atolf'
d_atoll='$d_atoll'
d_attribute_deprecated='$d_attribute_deprecated'
d_c99_variadic_macros='$d_c99_variadic_macros'
d_casti32='$d_casti32'
d_castneg='$d_castneg'
+d_cbrt='$d_cbrt'
d_charvspr='$d_charvspr'
d_chown='$d_chown'
d_chroot='$d_chroot'
d_closedir='$d_closedir'
d_cmsghdr_s='$d_cmsghdr_s'
d_const='$d_const'
+d_copysign='$d_copysign'
d_copysignl='$d_copysignl'
d_cplusplus='$d_cplusplus'
d_crypt='$d_crypt'
d_endsent='$d_endsent'
d_endservent_r='$d_endservent_r'
d_eofnblk='$d_eofnblk'
+d_erf='$d_erf'
+d_erfc='$d_erfc'
d_eunice='$d_eunice'
+d_exp2='$d_exp2'
+d_expm1='$d_expm1'
d_faststdio='$d_faststdio'
d_fchdir='$d_fchdir'
d_fchmod='$d_fchmod'
d_fcntl_can_lock='$d_fcntl_can_lock'
d_fd_macros='$d_fd_macros'
d_fd_set='$d_fd_set'
+d_fdclose='$d_fdclose'
+d_fdim='$d_fdim'
d_fds_bits='$d_fds_bits'
+d_fegetround='$d_fegetround'
d_fgetpos='$d_fgetpos'
d_finite='$d_finite'
d_finitel='$d_finitel'
d_flexfnam='$d_flexfnam'
d_flock='$d_flock'
d_flockproto='$d_flockproto'
+d_fma='$d_fma'
+d_fmax='$d_fmax'
+d_fmin='$d_fmin'
d_fork='$d_fork'
d_fp_class='$d_fp_class'
+d_fp_classify='$d_fp_classify'
+d_fp_classl='$d_fp_classl'
d_fpathconf='$d_fpathconf'
d_fpclass='$d_fpclass'
d_fpclassify='$d_fpclassify'
d_fpclassl='$d_fpclassl'
+d_fpgetround='$d_fpgetround'
d_fpos64_t='$d_fpos64_t'
d_frexpl='$d_frexpl'
d_fs_data_s='$d_fs_data_s'
d_grpasswd='$d_grpasswd'
d_hasmntopt='$d_hasmntopt'
d_htonl='$d_htonl'
+d_hypot='$d_hypot'
+d_ilogb='$d_ilogb'
d_ilogbl='$d_ilogbl'
d_inc_version_list='$d_inc_version_list'
d_index='$d_index'
d_isascii='$d_isascii'
d_isblank='$d_isblank'
d_isfinite='$d_isfinite'
+d_isfinitel='$d_isfinitel'
d_isinf='$d_isinf'
+d_isinfl='$d_isinfl'
+d_isless='$d_isless'
d_isnan='$d_isnan'
d_isnanl='$d_isnanl'
+d_isnormal='$d_isnormal'
+d_j0='$d_j0'
+d_j0l='$d_j0l'
d_killpg='$d_killpg'
+d_lc_monetary_2008='$d_lc_monetary_2008'
d_lchown='$d_lchown'
d_ldbl_dig='$d_ldbl_dig'
+d_ldexpl='$d_ldexpl'
+d_lgamma='$d_lgamma'
+d_lgamma_r='$d_lgamma_r'
d_libm_lib_version='$d_libm_lib_version'
d_libname_unique='$d_libname_unique'
d_link='$d_link'
+d_llrint='$d_llrint'
+d_llrintl='$d_llrintl'
+d_llround='$d_llround'
+d_llroundl='$d_llroundl'
d_localtime64='$d_localtime64'
d_localtime_r='$d_localtime_r'
d_localtime_r_needs_tzset='$d_localtime_r_needs_tzset'
d_locconv='$d_locconv'
d_lockf='$d_lockf'
+d_log1p='$d_log1p'
+d_log2='$d_log2'
+d_logb='$d_logb'
d_longdbl='$d_longdbl'
d_longlong='$d_longlong'
+d_lrint='$d_lrint'
+d_lrintl='$d_lrintl'
+d_lround='$d_lround'
+d_lroundl='$d_lroundl'
d_lseekproto='$d_lseekproto'
d_lstat='$d_lstat'
d_madvise='$d_madvise'
d_msync='$d_msync'
d_munmap='$d_munmap'
d_mymalloc='$d_mymalloc'
+d_nan='$d_nan'
d_ndbm='$d_ndbm'
d_ndbm_h_uses_prototypes='$d_ndbm_h_uses_prototypes'
+d_nearbyint='$d_nearbyint'
+d_nextafter='$d_nextafter'
+d_nexttoward='$d_nexttoward'
d_nice='$d_nice'
d_nl_langinfo='$d_nl_langinfo'
d_nv_preserves_uv='$d_nv_preserves_uv'
d_qgcvt='$d_qgcvt'
d_quad='$d_quad'
d_random_r='$d_random_r'
+d_re_comp='$d_re_comp'
d_readdir64_r='$d_readdir64_r'
d_readdir='$d_readdir'
d_readdir_r='$d_readdir_r'
d_readlink='$d_readlink'
d_readv='$d_readv'
d_recvmsg='$d_recvmsg'
+d_regcmp='$d_regcmp'
+d_regcomp='$d_regcomp'
+d_remainder='$d_remainder'
+d_remquo='$d_remquo'
d_rename='$d_rename'
d_rewinddir='$d_rewinddir'
+d_rint='$d_rint'
d_rmdir='$d_rmdir'
+d_round='$d_round'
d_safebcpy='$d_safebcpy'
d_safemcpy='$d_safemcpy'
d_sanemcmp='$d_sanemcmp'
d_sbrkproto='$d_sbrkproto'
+d_scalbn='$d_scalbn'
d_scalbnl='$d_scalbnl'
d_sched_yield='$d_sched_yield'
d_scm_rights='$d_scm_rights'
d_shmdt='$d_shmdt'
d_shmget='$d_shmget'
d_sigaction='$d_sigaction'
+d_siginfo_si_errno='$d_siginfo_si_errno'
+d_siginfo_si_pid='$d_siginfo_si_pid'
+d_siginfo_si_uid='$d_siginfo_si_uid'
+d_siginfo_si_addr='$d_siginfo_si_addr'
+d_siginfo_si_status='$d_siginfo_si_status'
+d_siginfo_si_band='$d_siginfo_si_band'
+d_siginfo_si_value='$d_siginfo_si_value'
d_signbit='$d_signbit'
d_sigprocmask='$d_sigprocmask'
d_sigsetjmp='$d_sigsetjmp'
d_srandom_r='$d_srandom_r'
d_sresgproto='$d_sresgproto'
d_sresuproto='$d_sresuproto'
+d_stat='$d_stat'
d_statblks='$d_statblks'
d_statfs_f_flags='$d_statfs_f_flags'
d_statfs_s='$d_statfs_s'
d_tcsetpgrp='$d_tcsetpgrp'
d_telldir='$d_telldir'
d_telldirproto='$d_telldirproto'
+d_tgamma='$d_tgamma'
d_time='$d_time'
d_timegm='$d_timegm'
d_times='$d_times'
d_tm_tm_gmtoff='$d_tm_tm_gmtoff'
d_tm_tm_zone='$d_tm_tm_zone'
d_tmpnam_r='$d_tmpnam_r'
+d_trunc='$d_trunc'
d_truncate='$d_truncate'
+d_truncl='$d_truncl'
d_ttyname_r='$d_ttyname_r'
d_tzname='$d_tzname'
d_u32align='$d_u32align'
direntrytype='$direntrytype'
dlext='$dlext'
dlsrc='$dlsrc'
+doubleinfbytes='$doubleinfbytes'
+doublekind='$doublekind'
+doublemantbits='$doublemantbits'
+doublenanbytes='$doublenanbytes'
doublesize='$doublesize'
drand01='$drand01'
drand48_r_proto='$drand48_r_proto'
i_dlfcn='$i_dlfcn'
i_execinfo='$i_execinfo'
i_fcntl='$i_fcntl'
+i_fenv='$i_fenv'
i_float='$i_float'
i_fp='$i_fp'
i_fp_class='$i_fp_class'
i_prot='$i_prot'
i_pthread='$i_pthread'
i_pwd='$i_pwd'
+i_quadmath='$i_quadmath'
i_rpcsvcdbm='$i_rpcsvcdbm'
i_sgtty='$i_sgtty'
i_shadow='$i_shadow'
i_stdarg='$i_stdarg'
i_stdbool='$i_stdbool'
i_stddef='$i_stddef'
+i_stdint='$i_stdint'
i_stdlib='$i_stdlib'
i_string='$i_string'
i_sunmath='$i_sunmath'
localtime_r_proto='$localtime_r_proto'
locincpth='$locincpth'
loclibpth='$loclibpth'
+longdblinfbytes='$longdblinfbytes'
+longdblkind='$longdblkind'
+longdblmantbits='$longdblmantbits'
+longdblnanbytes='$longdblnanbytes'
longdblsize='$longdblsize'
longlongsize='$longlongsize'
longsize='$longsize'
nveformat='$nveformat'
nvfformat='$nvfformat'
nvgformat='$nvgformat'
+nvmantbits='$nvmantbits'
nvsize='$nvsize'
nvtype='$nvtype'
o_nonblock='$o_nonblock'
useopcode='$useopcode'
useperlio='$useperlio'
useposix='$useposix'
+usequadmath='$usequadmath'
usereentrant='$usereentrant'
userelocatableinc='$userelocatableinc'
useshrplib='$useshrplib'