# you should use metaconfig. Perl uses a modified version of this
# tool, and this, together with the metaconfig units, are available
# in the git repository:
-# $ git clone https://github.com/perl5-metaconfig/metaconfig metaconfig
+# $ git clone https://github.com/Perl/metaconfig metaconfig
# The original dist package (including metaconfig) is available on github:
# $ git clone https://github.com/rmanfredi/dist.git dist-git
#
# Porting/pumpkin.pod.
# Generated using [metaconfig 3.5 PL0]
-# (with additional metaconfig patches by perlbug@perl.org)
+# with additional metaconfig patches from https://github.com/Perl/metaconfig
cat >c1$$ <<EOF
ARGGGHHHH!!!!!
cf_time=''
charbits=''
charsize=''
+compiler_warning=''
contains=''
cpp_stuff=''
cpplast=''
d_asctime_r=''
d_asinh=''
d_atanh=''
+d_attribute_always_inline=''
d_attribute_deprecated=''
d_attribute_format=''
d_attribute_malloc=''
d_attribute_noreturn=''
d_attribute_pure=''
d_attribute_unused=''
+d_attribute_visibility=''
d_attribute_warn_unused_result=''
d_printf_format_null=''
d_backtrace=''
+d_non_int_bitfields=''
d_builtin_choose_expr=''
d_builtin_expect=''
d_builtin_add_overflow=''
d_fdclose=''
d_fdim=''
d_fegetround=''
+d_ffs=''
+d_ffsl=''
d_fgetpos=''
d_finite=''
d_finitel=''
d_Gconvert=''
d_getaddrinfo=''
d_getcwd=''
+d_getenv_preserves_other_thread=''
d_getespwnam=''
d_getfsstat=''
d_getgrent=''
d_madvise=''
d_malloc_good_size=''
d_malloc_size=''
+d_malloc_usable_size=''
d_mblen=''
d_mbrlen=''
d_mbrtowc=''
d_querylocale=''
d_uselocale=''
i_xlocale=''
+xlocale_needed=''
d_nextafter=''
d_nexttoward=''
d_nice=''
d_nl_langinfo=''
+d_nl_langinfo_l=''
d_thread_safe_nl_langinfo_l=''
d_off64_t=''
d_open3=''
d_semop=''
d_sendmsg=''
d_setegid=''
+d_setenv=''
d_seteuid=''
d_setgrent=''
d_setgrent_r=''
d_sin6_scope_id=''
d_sockaddr_in6=''
d_sockaddr_sa_len=''
+d_sockaddr_storage=''
d_socket=''
d_sockpair=''
sockethdr=''
d_strtoull=''
d_strtouq=''
d_strxfrm=''
+d_strxfrm_l=''
d_symlink=''
d_syscall=''
d_syscallproto=''
d_tcsetpgrp=''
d_telldirproto=''
d_tgamma=''
+d_thread_local=''
+perl_thread_local=''
d_time=''
timetype=''
d_asctime64=''
signal_t=''
d_wait4=''
d_waitpid=''
+d_wcrtomb=''
d_wcscmp=''
d_wcstombs=''
d_wcsxfrm=''
u8type=''
uvsize=''
uvtype=''
+i32dformat=''
ivdformat=''
nvEUformat=''
nvFUformat=''
nveformat=''
nvfformat=''
nvgformat=''
+u32XUformat=''
+u32oformat=''
+u32uformat=''
+u32xformat=''
uvXUformat=''
uvoformat=''
uvuformat=''
spitshell=''
src=''
ssizetype=''
+st_dev_sign=''
+st_dev_size=''
st_ino_sign=''
st_ino_size=''
startperl=''
use64bitall=''
use64bitint=''
usecbacktrace=''
+usedefaultstrict=''
dtrace=''
usedtrace=''
usefaststdio=''
usequadmath=''
usesocks=''
d_oldpthreads=''
-use5005threads=''
useithreads=''
usereentrant=''
usethreads=''
usereentrant='undef'
: List of libraries we want.
: If anyone needs extra -lxxx, put those in a hint file.
-libswanted="cl pthread socket bind inet nsl ndbm gdbm dbm db malloc dl ld"
+libswanted="cl pthread socket bind inet 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.
$me: Fatal Error: I can't find a Bourne Shell anywhere.
Usually it's in /bin/sh. How did you even get this far?
-Please contact me (Perl Maintainers) at perlbug@perl.org and
-we'll try to straighten this all out.
+Please report this issue at https://github.com/Perl/perl5/issues
+and we'll try to straighten this all out.
EOM
exit 1
;;
-r : reuse C symbols value if possible (skips costly nm extraction).
-s : silent mode, only echoes questions and essential information.
-D : define symbol to have some value:
- -D symbol symbol gets the value 'define'
- -D symbol=value symbol gets the value 'value'
+ -D symbol symbol gets the value 'define'
+ -D symbol='some value' symbol is set to 'some value'
common used examples (see INSTALL for more info):
-Duse64bitint use 64bit integers
-Duse64bitall use 64bit integers and pointers
: the following should work in any shell
case "$contains" in
contains*)
- echo " "
- echo "AGH! Grep doesn't return a status. Attempting remedial action."
+ echo " " >&4
+ echo "AGH! Grep doesn't return a status. Attempting remedial action." >&4
cat >contains <<'EOSS'
grep "$1" "$2" >.greptmp && cat .greptmp && test -s .greptmp
EOSS
-chmod +x contains
+contains=./contains
+chmod +x $contains
esac
: Find the path to the source tree
You have the option of continuing the configuration process, despite the
distinct possibility that your kit is damaged, by typing 'y'es. If you
do, don't blame me if something goes wrong. I advise you to type 'n'o
-and contact the author (perlbug@perl.org).
+and contact the author (https://github.com/Perl/perl5/issues).
EOM
echo $n "Continue? [n] $c" >&4
xxxm=\$dflt
$myecho
ans='!'
+counter=42
case "\$fastread" in
yes) case "\$dflt" in
'') ;;
$myecho
;;
esac
+ counter=\`echo \$counter | awk '{ print --\$0 }'\`
+ if [ \$counter = 0 ]; then
+ echo >&4
+ echo >&4 Too many attempts asking the same question. Giving up.
+ exit 1
+ fi
done
case "\$ans" in
'') ans="\$xxxm";;
Unix system. If despite that it blows up on yours, your best bet is to edit
Configure and run it again. If you can't run Configure for some reason,
you'll have to generate a config.sh file by hand. Whatever problems you
-have, let me (perlbug@perl.org) know how I blew it.
+have, let me (https://github.com/Perl/perl5/issues) know how I blew it.
This installation script affects things in two ways:
if $test -f UU/myread; then
. ./UU/myread
else
- echo "Cannot find myread, sorry. Aborting." >&2
+ echo "Cannot find myread, sorry. Aborting." >&4
exit 1
fi
fi
(cd $src/hints; ls -C *.sh) | $sed 's/\.sh/ /g' >&4
dflt=''
: Half the following guesses are probably wrong... If you have better
- : tests or hints, please send them to perlbug@perl.org
+ : tests or hints, please send them to https://github.com/Perl/perl5/issues
: The metaconfig authors would also appreciate a copy...
$test -f /irix && osname=irix
$test -f /xenix && osname=sco_xenix
osvers="$3"
;;
dragonfly) osname=dragonfly
- osvers="$3"
+ case "$3" in
+ [0-9]*) osvers="$3" ;;
+ *) osvers="$2" ;;
+ esac
;;
dynixptx*) osname=dynixptx
osvers=`echo "$4"|sed 's/^v//'`
: determine root of directory hierarchy where package will be installed.
case "$prefix" in
-'')
- dflt=`./loc . /usr/local /usr/local /local /opt /usr`
- ;;
-*?/)
- dflt=`echo "$prefix" | sed 's/.$//'`
+'') dflt=`./loc . /usr/local /usr/local /local /opt /usr`
;;
-*)
- dflt="$prefix"
+*) dflt="$prefix"
;;
esac
$cat <<EOM
. ./getfile
oldprefix=''
case "$prefix" in
-'') ;;
-*)
- case "$ans" in
+'') ;;
+*) case "$ans" in
"$prefix") ;;
*) oldprefix="$prefix";;
esac
;;
esac
-prefix="$ans"
-prefixexp="$ansexp"
+
+case "$ans" in
+*?/) prefix=`echo "$ans" | sed 's/.$//'`
+ ;;
+*) prefix="$ans"
+esac
+
+case "$ansexp" in
+*?/) prefixexp=`echo "$ansexp" | sed 's/.$//'`
+ ;;
+*) prefixexp="$ansexp"
+esac
: allow them to override the AFS root
case "$afsroot" in
*) eval "$var=$val";;
esac'
-: get the patchlevel
-echo " "
-echo "Getting the current patchlevel..." >&4
-if $test -r $rsrc/patchlevel.h;then
- revision=`awk '/define[ ]+PERL_REVISION/ {print $3}' $rsrc/patchlevel.h`
- patchlevel=`awk '/define[ ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
- subversion=`awk '/define[ ]+PERL_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
- api_revision=`awk '/define[ ]+PERL_API_REVISION/ {print $3}' $rsrc/patchlevel.h`
- api_version=`awk '/define[ ]+PERL_API_VERSION/ {print $3}' $rsrc/patchlevel.h`
- api_subversion=`awk '/define[ ]+PERL_API_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
- perl_patchlevel=`egrep ',"(MAINT|SMOKE)[0-9][0-9]*"' $rsrc/patchlevel.h|tail -1|sed 's/[^0-9]//g'`
-else
- revision=0
- patchlevel=0
- subversion=0
- api_revision=0
- api_version=0
- api_subversion=0
- perl_patchlevel=0
- $echo "(You do not have patchlevel.h. Eek.)"
-fi
-: Define a handy string here to avoid duplication in myconfig.SH and configpm.
-version_patchlevel_string="version $patchlevel subversion $subversion"
-case "$perl_patchlevel" in
-0|'') ;;
-*) perl_patchlevel=`echo $perl_patchlevel | sed 's/.* //'`
- version_patchlevel_string="$version_patchlevel_string patch $perl_patchlevel"
- ;;
-esac
-
-$echo "(You have $package $version_patchlevel_string.)"
-
-case "$osname" in
-dos|vms)
- : XXX Should be a Configure test for double-dots in filenames.
- version=`echo $revision $patchlevel $subversion | \
- $awk '{ printf "%d_%d_%d", $1, $2, $3 }'`
- api_versionstring=`echo $api_revision $api_version $api_subversion | \
- $awk '{ printf "%d_%d_%d", $1, $2, $3 }'`
- ;;
-*)
- version=`echo $revision $patchlevel $subversion | \
- $awk '{ printf "%d.%d.%d", $1, $2, $3 }'`
- api_versionstring=`echo $api_revision $api_version $api_subversion | \
- $awk '{ printf "%d.%d.%d", $1, $2, $3 }'`
- ;;
-esac
-: Special case the 5.005_xx maintenance series, which used 5.005
-: without any subversion label as a subdirectory in $sitelib
-if test "${api_revision}${api_version}${api_subversion}" = "550"; then
- api_versionstring='5.005'
-fi
-
: Do we want threads support and if so, what type
case "$usethreads" in
$define|true|[yY]*) dflt='y';;
-*) # Catch case where user specified ithreads or 5005threads but
+*) # Catch case where user specified ithreads but
# forgot -Dusethreads (A.D. 4/2002)
- case "$useithreads$use5005threads" in
+ case "$useithreads" in
*$define*) dflt='y';;
*) dflt='n';;
esac
set usethreads
eval $setvar
-if $test $patchlevel -lt 9; then
- case "$usethreads" in
- $define)
- : Default to ithreads unless overridden on command line or with
- : old config.sh
- dflt='y'
- case "$use5005threads" in
- $define|true|[yY]*)
- echo "5.005 threads are no longer supported"
- exit 1
- ;;
- esac
- case "$useithreads" in
- $undef|false|[nN]*) dflt='n';;
- esac
- rp='Use the newer interpreter-based ithreads?'
- . ./myread
- case "$ans" in
- y|Y) val="$define" ;;
- *) val="$undef" ;;
- esac
- set useithreads
- eval $setvar
- : Now set use5005threads to the opposite value.
- case "$useithreads" in
- $define) val="$undef" ;;
- *) val="$define" ;;
- esac
- set use5005threads
- eval $setvar
- ;;
- *)
- useithreads="$undef"
- use5005threads="$undef"
- ;;
- esac
-
- case "$useithreads$use5005threads" in
- "$define$define")
- $cat >&4 <<EOM
-
-You cannot have both the ithreads and the 5.005 threads enabled
-at the same time. Disabling the 5.005 threads since they are
-much less stable than the ithreads.
-
-EOM
- use5005threads="$undef"
- ;;
- esac
-
-else
-: perl-5.9.x and later
-
- if test X"$usethreads" = "X$define"; then
- case "$use5005threads" in
- $define|true|[yY]*)
- $cat >&4 <<EOM
-
-5.005 threads has been removed for 5.10. Perl will be built using ithreads.
-
-EOM
- ;;
- esac
- fi
-
- use5005threads="$undef"
- useithreads="$usethreads"
-fi
+useithreads="$usethreads"
case "$d_oldpthreads" in
'') : Configure tests would be welcome here. For now, assume undef.
fi
$rm -f try try.*
case "$gccversion" in
-1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
+1.*) cpp=`./loc gcc-cpp $cpp $pth` ;;
esac
case "$gccversion" in
'') gccosandvers='' ;;
# gcc 3.* complain about adding -Idirectories that they already know about,
# so we will take those off from locincpth.
case "$gccversion" in
-3*)
- echo "main(){}">try.c
+3.*)
+ echo "int main(){}">try.c
for incdir in $locincpth; do
warn=`$cc $ccflags -I$incdir -c try.c 2>&1 | \
grep '^c[cp]p*[01]: warning: changing search order '`
esac
esac
+# Really old versions of gcc default to C89 and will error for this code.
+# See if the compiler (gcc or otherwise) needs a flag to compile C99 code
+# Initialisations in for loops seem to be the particular problem
+# (Does this syntax conflict with something else that was valid C89?)
+# We also add a declaration after a statement to detect whether the compiler
+# (or the user supplied -Accflags) consider such declarations to be errors.
+# This causes 'Configure with -Accflags="-Werror=declaration-after-statement"'
+# to fail hard and early.
+#
+# Annoyingly -std=c99 will cause gcc to tell glibc not to define prototypes for
+# syscall, drand48 etc when including <unistd.h>, which messes up our build.
+# I guess we *could* loop round trying -std=c99 first with checks both for the
+# prototype found and the code compiling (because -std=gnu99 might do other
+# things we don't want, particularly on non-GCC compilers) but
+# 1) We would need to check for the prototype first (without any flags)
+# 2) We would still end up with most Linux systems either being -std=gnu99
+# or "" (no flag), and so both common options would not rigorously check our
+# portability to other platforms.
+# So it doesn't seem worth the complexity and chance of different failure.
+$cat >try.c <<'EOCP'
+int main(int argc, char **argv) {
+ argc = argc + 1;
+ /* This is deliberately a declaration after a statement. */
+ unsigned long long count = 0;
+ for (char **p = argv; *p; ++p) {
+ ++count;
+ }
+ return count == 1 ? 0 : argc;
+}
+EOCP
+c99_for=no
+for flag in '' '-std=gnu99' '-std=c99'; do
+ if $cc -o try $flag $ccflags $ldflags try.c 2>/dev/null && ./try; then
+ c99_for="$flag"
+ break;
+ fi
+done
+case "$c99_for" in
+'') echo "Your C compiler doesn't need any special flags to compile C99 code"
+ ;;
+no) echo >&4 "Your C compiler doesn't seem to be able to compile C99 code"
+ rp='Do you really want to continue?'
+ dflt='n'
+ . ./myread
+ case "$ans" in
+ [yY]) echo >&4 "Okay, continuing." ;;
+ *) exit 1 ;;
+ esac
+ ;;
+*) echo "Your C compiler needs $c99_for to compile C99 code"
+ ccflags="$c99_for $ccflags"
+ ;;
+esac
+$rm -f try try.*
+
: What should the include directory be ?
: Use sysroot if set, so findhdr looks in the right place.
echo " "
# Note that ccname for clang is also gcc.
case "$ccname" in
gcc)
+ realpath=`which realpath 2>/dev/null | sed 's/no realpath in.*//'`
$echo 'extern int foo;' > try.c
set X `$cppstdin -v try.c 2>&1 | $awk '/^#include </,/^End of search /'|$cppfilter $grep '/include'`
shift
+ inclibpth=""
if $test $# -gt 0; then
- incpth="$incpth $*"
- incpth="`$echo $incpth|$sed 's/^ //'`"
for i in $*; do
- j="`$echo $i|$sed 's,/include$,/lib,'`"
+ case $realpath in
+ */realpath) i=`$realpath $i` ;;
+ esac
+ incpth="$incpth $i"
+ j="`$echo $i | $sed 's,/include[^/]*,/lib,'`"
if $test -d $j; then
- libpth="$libpth $j"
+ inclibpth="$inclibpth $j"
fi
done
- libpth="`$echo $libpth|$sed 's/^ //'`"
- for xxx in $libpth $loclibpth $plibpth $glibpth; do
+ incpth="`$echo $incpth | $sed 's/^ //'`"
+ for xxx in $inclibpth $loclibpth $plibpth $glibpth; do
if $test -d $xxx; then
+ case $realpath in
+ */realpath) xxx=`$realpath $xxx` ;;
+ esac
case " $libpth " in
*" $xxx "*) ;;
*) libpth="$libpth $xxx";;
esac
fi
done
+ libpth="`$echo $libpth | $sed 's/^ //'`"
fi
$rm -f try.c
case "$usrinc" in
$test -f "$xxx" && libstyle=shared
fi
if test ! -f "$xxx"; then
+ xxx=$thisdir/lib$thislib.$so$_a
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle="import"
+ fi
+ if test ! -f "$xxx"; then
+ xxx=$thisdir/$thislib.$so$_a
+ $test -f "$xxx" && eval $libscheck
+ $test -f "$xxx" && libstyle="import"
+ fi
+ if test ! -f "$xxx"; then
xxx=$thisdir/lib$thislib.$so
$test -f "$xxx" && eval $libscheck
$test -f "$xxx" && libstyle=shared
: think is an option
checkccflag='check=$1; flag=$2; callback=$3;
echo " ";
-echo "Checking if your compiler accepts $flag" 2>&1;
+echo "Checking if your compiler accepts $flag" >&4;
[ "X$sysroot" != "X" ] && echo "For sysroot = $sysroot";
echo "int main(void) { return 0; }" > gcctest.c;
if $cc $_sysroot -O2 $flag -o gcctest gcctest.c 2>gcctest.out && $run ./gcctest; then
- echo "Yes, it does." 2>&1;
+ echo "Yes, it does." >&4;
if $test -s gcctest.out ; then
echo "But your platform does not like it:";
cat gcctest.out;
else
case "$ccflags" in
*$check*)
- echo "Leaving current flags $ccflags alone." 2>&1
+ echo "Leaving current flags $ccflags alone." >&4
;;
*) dflt="$dflt $flag";
eval $callback
esac
fi
else
- echo "Nope, it does not, but that is ok." 2>&1;
+ echo "Nope, it does not, but that is ok." >&4;
fi
'
case "$hint" in
default|recommended)
case "$gccversion" in
- 1*) dflt="$dflt -fpcc-struct-return" ;;
+ 1.*) dflt="$dflt -fpcc-struct-return" ;;
esac
case "$optimize:$DEBUGGING" in
*-g*:old) dflt="$dflt -DDEBUGGING";;
esac
case "$gccversion" in
- 2*) if $test -d /etc/conf/kconfig.d &&
+ 2.*) if $test -d /etc/conf/kconfig.d &&
$contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
then
# Interactive Systems (ISC) POSIX mode.
;;
esac
case "$gccversion" in
- 1*) ;;
+ 1.*) ;;
2.[0-8]*) ;;
?*) set strict-aliasing -fno-strict-aliasing
eval $checkccflag
# is to add the flag to the flags passed to the compiler at link time,
# as that way the compiler can do the right implementation dependant
# thing. (NWC)
- case "$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 $checkccflag
- ;;
- esac
- ;;
+ case "$ccflags" in
+ *-fno-stack-protector*)
+ echo "Do not add -fstack-protector nor -fstack-protector-strong" 2>&1
+ ;;
+ *) 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 $checkccflag
+ ;;
esac
;;
+ esac
+ ;;
esac
- ;;
esac
case "$mips_type" in
;;
esac
case "$gccversion" in
-1*) cppflags="$cppflags -D__GNUC__"
+1.*) cppflags="$cppflags -D__GNUC__"
esac
case "$mips_type" in
'');;
mc_file=$1;
shift;
case "$usedevel" in $define|true|[yY]*) if $test ! -f "${mc_file}.c"; then
-echo "Internal Configure script bug - compiler test file ${mc_file}.c is missing. Please report this to perlbug@perl.org" >&4;
+echo "Internal Configure script bug - compiler test file ${mc_file}.c is missing. Please report this to https://github.com/Perl/perl5/issues" >&4;
exit 1;
fi;
esac;
#ifdef I_STDLIB
#include <stdlib.h>
#endif
+#include <stdio.h>
int main()
{
printf("intsize=%d;\n", (int)sizeof(int));
#ifdef I_STDLIB
#include <stdlib.h>
#endif
+#include <stdio.h>
int main()
{
printf("%d\n", (int)sizeof(double));
$rm_try
: check for long doubles
-echo " "
+echo " " >&4
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."
+ echo "You have long double." >&4
else
val="$undef"
- echo "You do not have long double."
+ echo "You do not have long double." >&4
fi
$rm_try
set d_longdbl
: check for length of long double
case "${d_longdbl}${longdblsize}" in
$define)
- echo " "
+ echo " " >&4
echo "Checking to see how big your long doubles are..." >&4
$cat >try.c <<'EOCP'
#include <stdio.h>
set try
if eval $compile; then
longdblsize=`$run ./try`
- echo "Your long doubles are $longdblsize bytes long."
+ echo "Your long doubles are $longdblsize bytes long." >&4
else
dflt='8'
- echo " "
+ echo " " >&4
echo "(I can't seem to compile the test program. Guessing...)" >&4
rp="What is the size of a long double (in bytes)?"
. ./myread
longdblsize="$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."
+ echo "That isn't any different from an ordinary double." >&4
+ echo "I'll keep your setting anyway, but you may see some" >&4
+ echo "harmless compilation warnings." >&4
fi
;;
esac
* 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.
+ * 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 is quite different from the Intel x87.
*/
printf("4\n");
exit(0);
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-endian double-double long doubles (64-bit LEs in BE)." >& 4 ;;
-8) echo "You have 128-bit mixed-endian double-double long doubles (64-bit BEs in LE)." >& 4 ;;
-9) echo "You have 128-bit PDP-style mixed-endian long doubles (VAX format H)." >& 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-endian double-double long doubles (64-bit LEs in BE)." >&4 ;;
+8) echo "You have 128-bit mixed-endian double-double long doubles (64-bit BEs in LE)." >&4 ;;
+9) echo "You have 128-bit PDP-style mixed-endian long doubles (VAX format H)." >&4 ;;
*) echo "Cannot figure out your long double." >&4 ;;
esac
d_long_double_style_ieee=$undef
esac
$rm_try
+: get the patchlevel
+echo " "
+echo "Getting the current patchlevel..." >&4
+if $test -r $rsrc/patchlevel.h;then
+ revision=`awk '/define[ ]+PERL_REVISION/ {print $3}' $rsrc/patchlevel.h`
+ patchlevel=`awk '/define[ ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
+ subversion=`awk '/define[ ]+PERL_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
+ api_revision=`awk '/define[ ]+PERL_API_REVISION/ {print $3}' $rsrc/patchlevel.h`
+ api_version=`awk '/define[ ]+PERL_API_VERSION/ {print $3}' $rsrc/patchlevel.h`
+ api_subversion=`awk '/define[ ]+PERL_API_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
+ perl_patchlevel=`egrep ',"(MAINT|SMOKE)[0-9][0-9]*"' $rsrc/patchlevel.h|tail -1|sed 's/[^0-9]//g'`
+else
+ revision=0
+ patchlevel=0
+ subversion=0
+ api_revision=0
+ api_version=0
+ api_subversion=0
+ perl_patchlevel=0
+ $echo "(You do not have patchlevel.h. Eek.)"
+fi
+: Define a handy string here to avoid duplication in myconfig.SH and configpm.
+version_patchlevel_string="version $patchlevel subversion $subversion"
+case "$perl_patchlevel" in
+0|'') ;;
+*) perl_patchlevel=`echo $perl_patchlevel | sed 's/.* //'`
+ version_patchlevel_string="$version_patchlevel_string patch $perl_patchlevel"
+ ;;
+esac
+
+$echo "(You have $package $version_patchlevel_string.)"
+
+case "$osname" in
+dos|vms)
+ : XXX Should be a Configure test for double-dots in filenames.
+ version=`echo $revision $patchlevel $subversion | \
+ $awk '{ printf "%d_%d_%d", $1, $2, $3 }'`
+ api_versionstring=`echo $api_revision $api_version $api_subversion | \
+ $awk '{ printf "%d_%d_%d", $1, $2, $3 }'`
+ ;;
+*)
+ version=`echo $revision $patchlevel $subversion | \
+ $awk '{ printf "%d.%d.%d", $1, $2, $3 }'`
+ api_versionstring=`echo $api_revision $api_version $api_subversion | \
+ $awk '{ printf "%d.%d.%d", $1, $2, $3 }'`
+ ;;
+esac
+: Special case the 5.005_xx maintenance series, which used 5.005
+: without any subversion label as a subdirectory in $sitelib
+if test "${api_revision}${api_version}${api_subversion}" = "550"; then
+ api_versionstring='5.005'
+fi
+
: determine the architecture name
echo " "
if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
none)
eval "tp=\"\$$2\"";
case "$tp" in
- ""|" ") eval "$1=\"\$$2\"";;
+ ""|" "|none) eval "$1=\"\$$2\"";;
*) eval "$1=";;
esac;;
esac;;
: Determine list of previous versions to include in @INC
$cat > getverlist <<EOPL
-#!$perl5 -w
+#!$perl5
+use strict;
+use warnings;
use File::Basename;
-\$api_versionstring = "$api_versionstring";
-\$version = "$version";
-\$stem = "$sitelib_stem";
-\$archname = "$archname";
+my \$api_versionstring = "$api_versionstring";
+my \$version = "$version";
+my \$stem = "$sitelib_stem";
+my \$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=();
+# The list found is stored twice for each entry: the original name, and
+# the binary broken down version into pack "s>s>s>", so sorting is easy
+# and unambiguous. This will work for all versions that have a maximum
+# of three digit per group 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
+
+my @inc_version_list;
+my @candidates;
# XXX Redo to do opendir/readdir?
if (-d $stem) {
chdir($stem);
;@candidates = map {
- [ $_, pack "sss", split m/[._]/, "$_.0.0" ] } glob("5.*");
+ [ $_, pack "s>s>s>", split m/[._]/, "$_.0.0" ] } glob("5.*");
;@candidates = sort { $a->[1] cmp $b->[1]} @candidates;
}
else {
;@candidates = ();
}
-($pversion, $aversion, $vsn5005) = map {
- pack "sss", split m/[._]/, "$_.0.0" } $version, $api_versionstring, "5.005";
-foreach $d (@candidates) {
+my ($pversion, $aversion, $vsn5005) = map {
+ pack "s>s>s>", split m/[._]/, "$_.0.0" } $version, $api_versionstring, "5.005";
+foreach my $d (@candidates) {
if ($d->[1] lt $pversion) {
if ($d->[1] ge $aversion) {
unshift(@inc_version_list, grep { -d } $d->[0]."/$archname", $d->[0]);
: compute the return types of malloc and free
echo " "
-$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 $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then
- malloctype='void *'
- else
- malloctype='char *'
- fi
+ malloctype='void *'
;;
esac
echo "Your system wants malloc to return '$malloctype', it would seem." >&4
case "$freetype" in
'')
- if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then
- freetype='void'
- else
- freetype='int'
- fi
+ freetype='void'
;;
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
$define|true|[yY]*)
dflt='y'
;;
+ $undef|false|[nN]*)
+ dflt='n'
+ dflt_dtrace=""
+ ;;
?*)
dflt='y'
dflt_dtrace=$usedtrace
if $test "X$sysroot" != X; then
case "$gccversion" in
'') ;;
- *) dflt="$dflt --sysroot $sysroot" ;;
+ *) dflt="$dflt --sysroot=$sysroot" ;;
esac
fi
*) $cat >&4 <<EOM
WARNING: Use of the shrpdir variable for the installation location of
the shared $libperl is not supported. It was never documented and
-will not work in this version. Let me (perlbug@perl.org)
+will not work in this version. Let me (https://github.com/Perl/perl5/issues)
know of any problems this may cause.
EOM
If you or somebody else will be maintaining perl at your site, please
fill in the correct e-mail address here so that they may be contacted
-if necessary. Currently, the "perlbug" program included with perl
-will send mail to this address in addition to perlbug@perl.org. You may
-enter "none" for no administrator.
+if necessary. You may enter "none" for no administrator.
EOM
case "$perladmin" in
set backtrace d_backtrace
eval $inlibc
-: add flags if using c backtrace
+: Check if C backtrace is actually supported.
case "$usecbacktrace" in
"") usecbacktrace=$undef ;;
[yY]*|true|$define)
case "$d_backtrace" in
[yY]*|true|$define)
- case " $ccflags " in
- *" -DUSE_C_BACKTRACE "*) ;; # Already there.
- *) ccflags="$ccflags -DUSE_C_BACKTRACE -g" ;;
- esac
;;
*)
echo "This system does not support backtrace" >&4
$cat >>try.c <<EOP
#ifdef TRY_gconvert
#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
-char *myname = "gconvert";
+const char *myname = "gconvert";
#endif
#ifdef TRY_gcvt
#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
-char *myname = "gcvt";
+const char *myname = "gcvt";
#endif
#ifdef TRY_qgcvt
#define Gconvert(x,n,t,b) qgcvt((x),(n),(b))
-char *myname = "qgcvt";
+const char *myname = "qgcvt";
#define DOUBLETYPE long double
#endif
#ifdef TRY_sprintf
#else
#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
#endif
-char *myname = "sprintf";
+const char *myname = "sprintf";
#endif
#ifndef DOUBLETYPE
#endif
#include <string.h>
-int checkit(char *expect, char *got)
+void checkit(const char *expect, char *got)
{
if (strcmp(expect, got)) {
printf("%s oddity: Expected %s, got %s\n",
}
}
+void lencheck(int expect, int got)
+{
+ if (expect != got) {
+ printf("%s length mismatch: Expected %d, got %d\n",
+ myname, expect, got);
+ exit(1);
+ }
+}
+
int main()
{
char buf[64];
else
checkit("1e+34", buf);
+ /* Test for an Ubuntu/Debian bug in gcvt and qgcvt. See: *
+ * https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1899553 */
+
+ Gconvert((DOUBLETYPE)0.4, 53, 0, buf);
+ lencheck(55, (int)strlen(buf));
+
/* For Perl, if you add additional tests here, also add them to
* t/base/num.t for benefit of platforms not using Configure or
* overriding d_Gconvert */
fi
else
echo "$xxx_convert NOT found." >&4
+ xxx_convert=''
fi
done
set atoll d_atoll
eval $inlibc
+: See if a file contains compiler warnings
+: See if a file contains compiler warnings
+case "$osname" in
+ 'aix')
+ cat >compiler_warning <<EOSS
+# Sample for aix ('.5' indicates the column number in the line):
+# "op.h", line 203.5: 1506-159 (E) Bit field type specified for op_type
+# Since the word 'warning' isn't present, use a fairly rigorous match of what
+# warning messages look like
+# " o p . h ", line 203 . 5 : 1506 - 159 ( E )
+$grep -E "^\\"[A-Za-z][A-Za-z0-9_]*\.[ch]\\", line [1-9][0-9]*[.][1-9][0-9]*: [1-9][0-9]*-[1-9][0-9]* \([EW][)] " "\$1"
+EOSS
+ compiler_warning=./compiler_warning
+ chmod +x $compiler_warning
+ ;;
+ # Maybe a colon after the 'warning' would be appropriate
+ *) compiler_warning="$contains -i warning"
+ ;;
+esac
+
: Look for GCC-style attribute format
case "$d_attribute_format" in
'')
void my_special_printf(char* pat,...) __attribute__((__format__(__printf__,1,2)));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't support __attribute__((format))."
val="$undef"
else
if $cc $ccflags -o attrib attrib.c >attrib.out 2>&1 ; then
: run the executable in case it produces a run-time warning
if $run ./attrib >>attrib.out 2>&1; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't allow __printf__ format to be null."
val="$undef"
else
char *go_get_some_memory( int how_many_bytes ) __attribute__((malloc));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't support __attribute__((malloc))."
val="$undef"
else
void do_something (char *some_pointer,...) __attribute__((nonnull(1)));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't support __attribute__((nonnull))."
val="$undef"
else
void fall_over_dead( void ) __attribute__((noreturn));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't support __attribute__((noreturn))."
val="$undef"
else
int square( int n ) __attribute__((pure));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't support __attribute__((pure))."
val="$undef"
else
int do_something( int dummy __attribute__((unused)), int n );
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't support __attribute__((unused))."
val="$undef"
else
int I_am_deprecated(void) __attribute__((deprecated));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't support __attribute__((deprecated))."
val="$undef"
else
int I_will_not_be_ignored(void) __attribute__((warn_unused_result));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
- if $contains 'warning' attrib.out >/dev/null 2>&1; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't support __attribute__((warn_unused_result))."
val="$undef"
else
eval $setvar
$rm -f attrib*
-: see if getpgrp exists
-set getpgrp d_getpgrp
-eval $inlibc
-
-case "$d_getpgrp" in
-"$define")
- echo " "
- echo "Checking to see which flavor of getpgrp is in use..."
- $cat >try.c <<EOP
-#$i_unistd I_UNISTD
-#include <sys/types.h>
-#ifdef I_UNISTD
-# include <unistd.h>
-#endif
-#$i_stdlib I_STDLIB
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-int main()
-{
+: Look for GCC-style attribute always_inline
+case "$d_attribute_always_inline" in
+'')
+echo " "
+echo "Checking whether your compiler can handle __attribute__((always_inline)) ..." >&4
+$cat >attrib.c <<'EOCP'
+#include <stdio.h>
+static __inline__ __attribute__((always_inline)) int I_will_always_be_inlined(void);
+EOCP
+if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
+ echo "Your C compiler doesn't support __attribute__((always_inline))."
+ val="$undef"
+ else
+ echo "Your C compiler supports __attribute__((always_inline))."
+ val="$define"
+ fi
+else
+ echo "Your C compiler doesn't seem to understand __attribute__ at all."
+ val="$undef"
+fi
+;;
+*) val="$d_attribute_always_inline" ;;
+esac
+set d_attribute_always_inline
+eval $setvar
+$rm -f attrib*
+
+: Look for GCC-style attribute visibility
+case "$d_attribute_visibility" in
+'')
+echo " "
+echo "Checking whether your compiler can handle __attribute__((visibility)) ..." >&4
+$cat >attrib.c <<'EOCP'
+#include <stdio.h>
+__attribute__((visibility("hidden"))) int I_will_be_hidden(void);
+EOCP
+if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
+ if $compiler_warning attrib.out >/dev/null 2>&1; then
+ echo "Your C compiler doesn't support __attribute__((visibility))."
+ val="$undef"
+ else
+ echo "Your C compiler supports __attribute__((visibility))."
+ val="$define"
+ fi
+else
+ echo "Your C compiler doesn't seem to understand __attribute__ at all."
+ val="$undef"
+fi
+;;
+*) val="$d_attribute_visibility" ;;
+esac
+set d_attribute_visibility
+eval $setvar
+$rm -f attrib*
+
+: see if getpgrp exists
+set getpgrp d_getpgrp
+eval $inlibc
+
+case "$d_getpgrp" in
+"$define")
+ echo " "
+ echo "Checking to see which flavor of getpgrp is in use..."
+ $cat >try.c <<EOP
+#include <stdio.h>
+#$i_unistd I_UNISTD
+#include <sys/types.h>
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+int main()
+{
if (getuid() == 0) {
printf("(I see you are running Configure as super-user...)\n");
setuid(1);
echo " "
echo "Checking to see which flavor of setpgrp is in use..."
$cat >try.c <<EOP
+#include <stdio.h>
#$i_unistd I_UNISTD
#include <sys/types.h>
#ifdef I_UNISTD
eval $inlibc
-echo " "
echo "Checking the availability sa_len in the sock struct ..." >&4
$cat >try.c <<EOF
#include <sys/types.h>
set d_sockaddr_sa_len; eval $setvar
$rm_try
-echo " "
echo "Checking the availability struct sockaddr_in6 ..." >&4
$cat >try.c <<EOF
#include <sys/types.h>
set d_sockaddr_in6; eval $setvar
$rm_try
-echo " "
+echo "Checking the availability struct sockaddr_storage ..." >&4
+$cat >try.c <<EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+int main() {
+struct sockaddr_storage sastor;
+return (sastor.ss_family);
+}
+EOF
+val="$undef"
+set try; if eval $compile; then
+ val="$define"
+fi
+set d_sockaddr_storage; eval $setvar
+$rm_try
+
echo "Checking the availability sin6_scope_id in struct sockaddr_in6 ..." >&4
$cat >try.c <<EOF
#include <sys/types.h>
set d_sin6_scope_id; eval $setvar
$rm_try
-echo " "
echo "Checking the availability struct ip_mreq ..." >&4
$cat >try.c <<EOF
#include <sys/types.h>
set d_ip_mreq; eval $setvar
$rm_try
-echo " "
echo "Checking the availability struct ip_mreq_source ..." >&4
$cat >try.c <<EOF
#include <sys/types.h>
set d_ip_mreq_source; eval $setvar
$rm_try
-echo " "
echo "Checking the availability struct ipv6_mreq ..." >&4
$cat >try.c <<EOF
#include <sys/types.h>
set d_ipv6_mreq; eval $setvar
$rm_try
-echo " "
echo "Checking the availability struct ipv6_mreq_source ..." >&4
$cat >try.c <<EOF
#include <sys/types.h>
set d_ipv6_mreq_source; eval $setvar
$rm_try
-echo " "
echo "Checking the availability of certain socket constants..." >&4
for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do
enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'`
dl_dlopen.xs)
echo "Checking whether your dlsym() needs a leading underscore ..." >&4
$cat >dyna.c <<'EOM'
-fred () { }
+void fred (void) { }
EOM
$cat >fred.c<<EOM
#include <link.h>
#endif
-extern int fred() ;
+extern void fred(void) ;
int main()
{
set dup3 d_dup3
eval $inlibc
+: see if localeconv_l exists
+set localeconv_l d_localeconv_l
+eval $inlibc
+
: see if this is an xlocale.h system
set xlocale.h i_xlocale
eval $inhdr
set querylocale d_querylocale
eval $inlibc
+: if we have xlocale.h, check whether it is needed
+case "$i_xlocale$d_newlocale$xlocale_needed" in
+"$define$define")
+ echo "Checking if xlocale.h is needed..." >&4
+ $cat >try.c <<EOF
+#include <locale.h>
+#include <stdio.h>
+#ifdef TRY_XLOCALE
+#include <xlocale.h>
+#endif
+#$d_localeconv_l HAVE_LOCALECONV_L
+
+#ifdef HAVE_LOCALECONV_L
+struct lconv *(*lcptr)(locale_t) = localeconv_l;
+#endif
+
+int main(void) {
+ locale_t lc = newlocale(LC_ALL_MASK, "C", (locale_t)0);
+
+#ifdef HAVE_LOCALECONV_L
+ /* FreeBSD hides only localeconv_l() in xlocale.h */
+ struct lconv *lcbuf = localeconv_l(lc);
+ printf("decimal: %s\n", lcbuf->decimal_point);
+#endif
+
+ freelocale(lc);
+ return 0;
+}
+EOF
+ set try
+ if eval $compile && $run ./try > /dev/null 2>&1 ; then
+ echo "xlocale.h isn't needed" >&4
+ xlocale_needed=$undef
+ else
+ set try -DTRY_XLOCALE
+ if eval $compile && $run ./try > /dev/null 2>&1 ; then
+ xlocale_needed=$define
+ echo "xlocale.h is needed" >&4
+ else
+ echo "I can't build my test either way" >&4
+ xlocale_needed=$undef
+ fi
+ fi
+ $rm_try
+ ;;
+*) xlocale_needed=$undef ;;
+esac
+
: see if eaccess exists
set eaccess d_eaccess
eval $inlibc
#ifdef I_STDLIB
#include <stdlib.h>
#endif
+#include <string.h>
#define FILE_ptr(fp) $stdio_ptr
#define FILE_cnt(fp) $stdio_cnt
int main() {
"$define:$define")
case "$d_stdio_cnt_lval$d_stdio_ptr_lval_sets_cnt" in
*$define*)
- echo "You seem to have 'fast stdio' to directly manipulate the stdio buffers." >& 4
+ echo "You seem to have 'fast stdio' to directly manipulate the stdio buffers." >&4
val="$define"
;;
esac
set fegetround d_fegetround
eval $inlibc
+: see if ffs exists
+set ffs d_ffs
+eval $inlibc
+: see if ffsl exists
+set ffsl d_ffsl
+eval $inlibc
+
: see if fgetpos exists
set fgetpos d_fgetpos
eval $inlibc
echo "Checking if you have a working futimes()" >&4
$cat >try.c <<EOCP
#include <stdio.h>
+#include <stdlib.h>
#include <sys/time.h>
#include <errno.h>
#include <fcntl.h>
+#include <stdlib.h>
int main ()
{
set getcwd d_getcwd
eval $inlibc
+: check for getenv behavior
+case "$d_getenv_preserves_other_thread" in
+'')
+$echo "Checking to see if getenv() preserves a different thread's results" >&4
+$cat >try.c <<EOCP
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+#$i_pthread I_PTHREAD
+#ifdef I_PTHREAD
+# include <pthread.h>
+#endif
+
+void *
+thread_start(void * arg)
+{
+ return (void *) getenv("HOME");
+}
+
+int main() {
+ char * main_buffer;
+ char save_main_buffer[1000];
+ pthread_t subthread;
+ pthread_attr_t attr;
+
+ main_buffer = getenv("PATH");
+
+ /* If too large for our generous allowance, return we couldn't figure it
+ * out. */
+ if (strlen(main_buffer) >= sizeof(save_main_buffer)) {
+ exit(2);
+ }
+
+ strcpy(save_main_buffer, main_buffer);
+
+ if (pthread_attr_init(&attr) != 0) {
+ exit(2);
+ }
+
+ if (pthread_create(&subthread, &attr, thread_start, NULL) != 0) {
+ exit(2);
+ }
+
+ if (pthread_join(subthread, NULL) != 0) {
+ exit(2);
+ }
+
+ exit(! (strcmp(main_buffer, save_main_buffer) == 0));
+}
+EOCP
+val=
+set try
+if eval $compile_ok; then
+ $run ./try
+ rc=$?
+ case "$rc" in
+ 0) echo "getenv() didn't destroy another thread's buffer" >&4
+ val=$define
+ ;;
+ 1) echo "getenv() does destroy another thread's buffer" >&4
+ val=$undef
+ ;;
+ *) echo "Couldn't determine if getenv() destroys another thread's return value (code=$rc); assuming it does" >&4
+ val=$undef
+ ;;
+ esac
+else
+ echo "(I can't seem to compile the test program.)" >&4
+ echo "Assuming that your C library's getenv destroys another thread's return value." >&4
+ val=$undef
+fi
+set d_getenv_preserves_other_thread
+eval $setvar
+$rm_try
+;;
+esac
+
: see if getespwnam exists
set getespwnam d_getespwnam
eval $inlibc
echo "Checking to see if you have isless..." >&4
$cat >try.c <<EOCP
#include <math.h>
-int main() { return isless(0.0); }
+int main() { return isless(2.0, 1.0); }
EOCP
set try
if eval $compile; then
: see if lchown exists
echo " "
-$cat > try.c <<'EOCP'
-/* System header to define __stub macros and hopefully few prototypes,
- which can conflict with char lchown(); below. */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error. */
-/* We use char because int might match the return type of a gcc2
- builtin and then its argument prototype would still apply. */
-char lchown();
-int main() {
- /* The GNU C library defines this for functions which it implements
- to always fail with ENOSYS. Some functions are actually named
- something starting with __ and the normal name is an alias. */
-#if defined (__stub_lchown) || defined (__stub___lchown)
-choke me
-#else
-lchown();
+$cat > try.c <<EOCP
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#$i_unistd I_UNISTD
+#ifdef I_UNISTD
+# include <unistd.h>
#endif
-; return 0; }
+int main(int argc, char *argv[])
+{
+ if (lchown("./try.c", -1, getgid()) == -1) {
+ exit(EXIT_FAILURE);
+ }
+ exit(EXIT_SUCCESS);
+}
EOCP
set try
-if eval $compile; then
+if eval $compile && ./try; then
$echo "lchown() found." >&4
val="$define"
else
fi
set d_lchown
eval $setvar
+$rm_try
: See if number of significant digits in a double precision number is known
echo " "
$cat >try.c <<EOCP
#include <unistd.h>
#include <math.h>
+#include <stdio.h>
int main (int argc, char *argv[])
{
printf ("%d\n", _LIB_VERSION);
set llroundl d_llroundl
eval $inlibc
-: see if localeconv_l exists
-set localeconv_l d_localeconv_l
-eval $inlibc
-
: see if localtime_r exists
set localtime_r d_localtime_r
eval $inlibc
#endif
int main()
{
+ int result = 0;
time_t t = time(0L);
char w_tz[]="TZ" "=GMT+5",
e_tz[]="TZ" "=GMT-5",
localtime_r(&t, &tm_w);
if( memcmp(&tm_e, &tm_w, sizeof(struct tm)) == 0 )
- return 1;
- return 0;
+ result = 1;
+
+ free(tz_e);free(tz_w);
+ return result;
}
EOCP
set try
set malloc_good_size d_malloc_good_size
eval $inlibc
+: see if malloc_usable_size exists
+set malloc_usable_size d_malloc_usable_size
+eval $inlibc
+
: see if mblen exists
set mblen d_mblen
eval $inlibc
set nl_langinfo d_nl_langinfo
eval $inlibc
+: see if locale.h is available
+set locale.h i_locale
+eval $inhdr
+
+: check for nl_langinfo_l item
+$cat <<EOM
+
+Checking to see if you have nl_langinfo_l(), and that it is thread-safe
+EOM
+$cat >try.c <<EOCP
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+#include <string.h>
+#$i_langinfo I_LANGINFO
+#ifdef I_LANGINFO
+# include <langinfo.h>
+#endif
+#$i_pthread I_PTHREAD
+#ifdef I_PTHREAD
+# include <pthread.h>
+#endif
+#$i_locale I_LOCALE
+#ifdef I_LOCALE
+# include <locale.h>
+#endif
+
+void *
+thread_start(void * arg)
+{
+ nl_langinfo(RADIXCHAR);
+}
+
+int main() {
+ char * main_buffer;
+ char save_main_buffer[1000];
+ pthread_t subthread;
+ pthread_attr_t attr;
+
+ main_buffer = nl_langinfo_l(CODESET, newlocale(LC_ALL_MASK, "C", 0));
+
+ /* If too large for our generous allowance, just assume we don't have
+ * it. */
+ if (strlen(main_buffer) >= sizeof(save_main_buffer)) {
+ exit(1);
+ }
+
+ strcpy(save_main_buffer, main_buffer);
+
+ if (pthread_attr_init(&attr) != 0) {
+ exit(1);
+ }
+
+ if (pthread_create(&subthread, &attr, thread_start, NULL) != 0) {
+ exit(1);
+ }
+
+ if (pthread_join(subthread, NULL) != 0) {
+ exit(1);
+ }
+
+ exit(! (strcmp(main_buffer, save_main_buffer) == 0));
+}
+EOCP
+case "$usethreads" in
+ define)
+ set try
+ if eval $compile; then
+ echo "Your system has nl_langinfo_l()..." >&4
+ d_nl_langinfo_l="$define"
+ echo "$d_nl_langinfo_l" >&4
+ if $run ./try; then
+ echo "and it is thread-safe (just as I'd hoped)." >&4
+ d_thread_safe_nl_langinfo_l="$define"
+ echo "$d_thread_safe_nl_langinfo_l" >&4
+ else
+ echo "but it isn't thread-safe." >&4
+ fi
+ else
+ echo "your system does not have nl_langinfo_l()" >&4
+ fi
+ ;;
+ *) echo "Since threads aren't selected, we won't bother looking for nl_langinfo_l()" >&4
+esac
+if test X"$d_nl_langinfo_l" = X; then
+ d_nl_langinfo_l="$undef"
+fi
+if test X"$d_thread_safe_nl_langinfo_l" = X; then
+ d_thread_safe_nl_langinfo_l="$undef"
+fi
+$rm_try
+
+: Look for non 'int'-sized bitfields
+case "$d_non_int_bitfields" in
+'')
+echo " " >&4
+echo "Checking whether your compiler can handle struct bitfields that aren't 'int' or 'unsigned int' ..." >&4
+$cat >try.c <<'EOCP'
+#include <stdio.h>
+struct foo {
+ unsigned char byte:1;
+ unsigned short halfword:1;
+} bar;
+EOCP
+if $cc $ccflags -c try.c >try.out 2>&1 ; then
+ if $compiler_warning try.out >/dev/null 2>&1; then
+ echo "Your C compiler doesn't support struct bitfields that aren't 'int' or 'unsigned int'." >&4
+ val="$undef"
+ else
+ echo "Your C compiler supports struct bitfields besides 'int' and 'unsigned int'." >&4
+ val="$define"
+ fi
+else
+ echo "Your C compiler doesn't seem to understand struct bitfields that aren't 'int' or 'unsigned int' at all." >&4
+ val="$undef"
+fi
+;;
+*) val="$d_non_int_bitfields" ;;
+esac
+set d_non_int_bitfields
+eval $setvar
+$rm_try
+
: see if this is a quadmath.h system
set quadmath.h i_quadmath
eval $inhdr
#ifdef I_STDLIB
#include <stdlib.h>
#endif
+#$i_inttypes I_INTTYPES
+#ifdef I_INTTYPES
+#include <inttypes.h>
+#endif
#include <sys/types.h>
#include <signal.h>
#ifdef SIGFPE
case "$nv_preserves_uv_bits" in
\-[1-9]*)
nv_preserves_uv_bits=`expr 0 - $nv_preserves_uv_bits`
- $echo "Your NVs can preserve all $nv_preserves_uv_bits bits of your UVs." 2>&1
+ $echo "Your NVs can preserve all $nv_preserves_uv_bits bits of your UVs." >&4
d_nv_preserves_uv="$define"
;;
-[1-9]*) $echo "Your NVs can preserve only $nv_preserves_uv_bits bits of your UVs." 2>&1
+[1-9]*) $echo "Your NVs can preserve only $nv_preserves_uv_bits bits of your UVs." >&4
d_nv_preserves_uv="$undef" ;;
-*) $echo "Can't figure out how many bits your NVs preserve." 2>&1
+*) $echo "Can't figure out how many bits your NVs preserve." >&4
nv_preserves_uv_bits="0" ;;
esac
$rm_try
set setegid d_setegid
eval $inlibc
+: see if setenv exists
+set setenv d_setenv
+eval $inlibc
+
: see if seteuid exists
set seteuid d_seteuid
eval $inlibc
set setlinebuf d_setlinebuf
eval $inlibc
-: see if locale.h is available
-set locale.h i_locale
-eval $inhdr
-
: see if this system has wctype.h
set wctype.h i_wctype
eval $inhdr
eval $inlibc
: check for setlocale function and behavior
-$cat <<EOM
+case "$d_setlocale" in
+'')
+$cat >&4 <<EOM
Checking to see if you have setlocale() and its behavior
EOM
}
EOCP
-set try
-if eval $compile; then
- echo "Your system has setlocale()..." >&4
- $run ./try
- case $? in
- 0) echo "and it seems sane" >&4
- d_setlocale="$define"
- d_setlocale_accepts_any_locale_name="$undef"
- d_has_C_UTF8="false"
- ;;
- 1) echo "and it seems sane, but accepts any locale name as valid" >&4
- d_setlocale="$define"
- d_setlocale_accepts_any_locale_name="$define"
- d_has_C_UTF8="false"
- ;;
- 2) echo "and it seems sane" >&4
- d_setlocale="$define"
- d_setlocale_accepts_any_locale_name="$undef"
- d_has_C_UTF8="true"
- ;;
- 3) echo "and it seems sane, but accepts any locale name as valid" >&4
- d_setlocale="$define"
- d_setlocale_accepts_any_locale_name="$define"
- d_has_C_UTF8="true"
- ;;
- *) echo "but it doesn't seem to work, so we won't use it." >&4
+val=
+set d_setlocale
+eval $setvar
+case $d_setlocale in
+ $undef) d_setlocale_accepts_any_locale_name="$undef"
+ d_has_C_UTF8="false"
+ ;;
+ *) set try
+ if eval $compile; then
+ echo "Your system has setlocale()..." >&4
+ $run ./try
+ case $? in
+ 0) echo "and it seems sane; you don't have a C.UTF-8 locale" >&4
+ d_setlocale="$define"
+ d_setlocale_accepts_any_locale_name="$undef"
+ d_has_C_UTF8="false"
+ ;;
+ 1) echo "and it seems sane, but accepts any locale name as valid" >&4
+ d_setlocale="$define"
+ d_setlocale_accepts_any_locale_name="$define"
+ d_has_C_UTF8="false"
+ ;;
+ 2) echo "and it seems sane; you have a C.UTF-8 locale" >&4
+ d_setlocale="$define"
+ d_setlocale_accepts_any_locale_name="$undef"
+ d_has_C_UTF8="true"
+ ;;
+ 3) echo "and it seems sane, but accepts any locale name as valid" >&4
+ d_setlocale="$define"
+ d_setlocale_accepts_any_locale_name="$define"
+ d_has_C_UTF8="true"
+ ;;
+ *) echo "but it doesn't seem to work, so we won't use it." >&4
+ d_setlocale="$undef"
+ d_setlocale_accepts_any_locale_name="$undef"
+ d_has_C_UTF8="false"
+ ;;
+ esac
+ else
+ echo "your system does not have setlocale()" >&4
d_setlocale="$undef"
d_setlocale_accepts_any_locale_name="$undef"
d_has_C_UTF8="false"
- ;;
- esac
-else
- echo "your system does not have setlocale()" >&4
- d_setlocale="$undef"
- d_setlocale_accepts_any_locale_name="$undef"
- d_has_C_UTF8="false"
-fi
+ fi
+esac
$rm_try
+;;
+*) val="$d_setlocale"
+ set d_setlocale
+ eval $setvar
+ case "$d_setlocale" in
+ $undef) echo "There may be other ways to set the locale on your system, so we need to ask:" >&4
+ ;;
+ esac
+ rp="Does your system have the C.UTF-8 locale?"
+ dflt=n
+ . ./myread
+ case "$ans" in
+ [Yy]*) d_has_C_UTF8="true"
+ c_utf8_locale=" or C.UTF-8"
+ ;;
+ *) d_has_C_UTF8="false"
+ c_utf8_locale=""
+ ;;
+ esac
+ case "$d_setlocale" in
+ $define)
+ rp="When you set your locale to something besides C$c_utf8_locale, does it do so, or just pretend to?" >&4
+ dflt=n
+ . ./myread
+ case "$ans" in
+ true|[Yy]*)
+ d_setlocale_accepts_any_locale_name="$undef"
+ ;;
+ *) d_setlocale_accepts_any_locale_name="$define"
+ ;;
+ esac
+ ;;
+ *) d_setlocale_accepts_any_locale_name="$undef"
+ ;;
+ esac
+esac
: see if setlocale_r exists
set setlocale_r d_setlocale_r
#define strtoll _strtoll
#endif
#include <stdio.h>
-extern long long int strtoll(char *s, char **, int);
+#include <stdlib.h>
static int bad = 0;
-int check(char *s, long long ell, int een) {
+void check(const char *s, long long ell, int een) {
long long gll;
errno = 0;
gll = strtoll(s, 0, 10);
Checking whether your strtoul() works okay...
EOM
$cat >try.c <<'EOCP'
+#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
-extern unsigned long int strtoul(char *s, char **, int);
static int bad = 0;
-void check(char *s, unsigned long eul, int een) {
+void check(const char *s, unsigned long eul, int een) {
unsigned long gul;
errno = 0;
gul = strtoul(s, 0, 10);
Checking whether your strtoull() works okay...
EOM
$cat >try.c <<'EOCP'
+#include <stdlib.h>
#include <errno.h>
#ifdef __hpux
#define strtoull __strtoull
#endif
#include <stdio.h>
-extern unsigned long long int strtoull(char *s, char **, int);
static int bad = 0;
-int check(char *s, long long eull, int een) {
+void check(const char *s, long long eull, int een) {
long long gull;
errno = 0;
gull = strtoull(s, 0, 10);
Checking whether your strtouq() works okay...
EOM
$cat >try.c <<'EOCP'
+#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
-extern unsigned long long int strtouq(char *s, char **, int);
static int bad = 0;
-void check(char *s, unsigned long long eull, int een) {
+void check(const char *s, unsigned long long eull, int een) {
unsigned long long gull;
errno = 0;
gull = strtouq(s, 0, 10);
set strxfrm d_strxfrm
eval $inlibc
+: see if strxfrm_l exists
+set strxfrm_l d_strxfrm_l
+eval $inlibc
+
: see if symlink exists
set symlink d_symlink
eval $inlibc
set tgamma d_tgamma
eval $inlibc
-: check for thread_safe_nl_langinfo_l item
-$cat <<EOM
+: see what flavor, if any, of thread local storage is supported
+echo " "
+echo "Checking to see if your system supports C11 thread local storage..."
+$cat > try.c <<'EOCP'
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
-Checking to see if you have nl_langinfo_l() and that it is thread-safe
-EOM
-$cat >try.c <<EOCP
-#$i_stdlib I_STDLIB
-#ifdef I_STDLIB
-# include <stdlib.h>
-#endif
-#include <string.h>
-#$i_langinfo I_LANGINFO
-#ifdef I_LANGINFO
-# include <langinfo.h>
-#endif
-#$i_pthread I_PTHREAD
-#ifdef I_PTHREAD
-# include <pthread.h>
-#endif
-#$i_locale I_LOCALE
-#ifdef I_LOCALE
-# include <locale.h>
-#endif
+static int plus_one = 1;
+static int minus_one = -1;
-void *
-thread_start(void * arg)
-{
- nl_langinfo(RADIXCHAR);
+PROBE_MACRO int *minion;
+
+int callback (const void *a, const void *b) {
+ int val_a = *minion * *(const int *)a;
+ int val_b = *minion * *(const int *)b;
+ return val_a < val_b ? -1 : val_a > val_b;
}
-int main() {
- char * main_buffer;
- char save_main_buffer[1000];
- pthread_t subthread;
- pthread_attr_t attr;
+#define SIZE 8
- main_buffer = nl_langinfo_l(CODESET, newlocale(LC_ALL_MASK, "C", 0));
+void *thread_function(void *arg) {
+ /* thread local variables should start zeroed in each thread. */
+ if (minion != NULL) {
+ fprintf(stderr, "__thread variable started with %p, should be NULL\n",
+ minion);
+ exit(2);
+ }
+ minion = &minus_one;
- /* If too large for our generous allowance, just assume we don't have
- * it. */
- if (strlen(main_buffer) >= sizeof(save_main_buffer)) {
- exit(1);
+ int array[SIZE];
+ unsigned int i;
+ for (i = 0; i < SIZE; ++i) {
+ /* "Hash randomisation" - this array isn't in sorted order: */
+ array[i ^ 5] = i * i;
}
- strcpy(save_main_buffer, main_buffer);
+ qsort(array, SIZE, sizeof(int), callback);
- if (pthread_attr_init(&attr) != 0) {
- exit(1);
+ int bad = 0;
+ for (i = 0; i < SIZE; ++i) {
+ int want = (SIZE - 1 - i) * (SIZE - 1 - i);
+ int have = array[i];
+ if (want != have) {
+ ++bad;
+ fprintf(stderr, "array[%u] - want %i, have %i\n", i, want, have);
+ }
}
+ if (bad)
+ exit(3);
- if (pthread_create(&subthread, &attr, thread_start, NULL) != 0) {
- exit(1);
+ return NULL;
+}
+
+int main(int argc, char **argv) {
+ if (minion != NULL) {
+ fprintf(stderr, "__thread variable started with %p, should be NULL\n",
+ minion);
+ exit(4);
}
- if (pthread_join(subthread, NULL) != 0) {
- exit(1);
+ minion = &plus_one;
+
+ pthread_t tid;
+ int result = pthread_create(&tid, NULL, thread_function, NULL);
+ if (result) {
+ fprintf(stderr, "pthread_create failed (%d)\n", result);
+ exit(5);
}
- exit(! (strcmp(main_buffer, save_main_buffer) == 0));
+ result = pthread_join(tid, NULL);
+ if (result) {
+ fprintf(stderr, "pthread_join failed (%d)\n", result);
+ exit(6);
+ }
+
+ if (minion == NULL) {
+ fprintf(stderr, "__thread variable should not be NULL\n");
+ exit(7);
+ }
+ if (!(minion == &plus_one && *minion == 1)) {
+ fprintf(stderr, "__thread variable should be %d @ %p, not %d @ %p\n",
+ 1, &plus_one, *minion, minion);
+ exit(8);
+ }
+
+ return 0;
}
EOCP
-case "$usethreads" in
- define)
- set try
- if eval $compile; then
- echo "Your system has nl_langinfo_l()..." >&4
- if $run ./try; then
- echo "and it is thread-safe (just as I'd hoped)." >&4
- d_thread_safe_nl_langinfo_l="$define"
- echo "$d_thread_safe_nl_langinfo_l" >&4
- else
- echo "but it isn't thread-safe, so we won't use it." >&4
- fi
- else
- echo "your system does not have nl_langinfo_l()" >&4
- fi
- ;;
- *) echo "Since threads aren't selected, we won't bother looking for nl_langinfo_l()" >&4
+
+# Respect a hint (or previous) value for perl_thread_local, if there is one.
+case "$perl_thread_local" in
+'') # Check the various possibilities, and break out on success.
+ for thread_local in _Thread_local __thread; do
+ set try -DPROBE_MACRO=$thread_local
+ if eval $compile && $run ./try; then
+ $echo "Your compiler supports $thread_local." >&4
+ val=$define
+ perl_thread_local="$thread_local";
+ break;
+ fi
+ $echo "Your compiler does NOT support $thread_local." >&4
+ val="$undef"
+ done
+ ;;
+*thread*|*Thread*) # Some variant of thread local exists.
+ echo "Keeping your $hint value of $perl_thread_local."
+ val=$define
+ ;;
+*) # Unrecognized previous value -- blindly trust the supplied
+ # value and hope it makes sense. Use old value for
+ # d_thread_local, if there is one.
+ echo "Keeping your $hint value of $perl_thread_local."
+ case "$d_thread_local" in
+ '') val=$define ;;
+ *) val=$d_thread_local ;;
+ esac
+ ;;
esac
-if test X"$d_thread_safe_nl_langinfo_l" = X; then
- d_thread_safe_nl_langinfo_l="$undef"
-fi
+set d_thread_local
+eval $setvar
$rm_try
: see if time exists
#ifdef I_STDLIB
#include <stdlib.h>
#endif
+#$i_inttypes I_INTTYPES
+#ifdef I_INTTYPES
+#include <inttypes.h>
+#endif
#include <sys/types.h>
typedef $uvtype UV;
int main()
set waitpid d_waitpid
eval $inlibc
+: see if wcrtomb exists
+set wcrtomb d_wcrtomb
+eval $inlibc
+
: look for wcscmp
echo " "
$cat >try.c <<'EOCP'
#endif
EOCP
if $cc $ccflags -c try.c >try.out 2>&1 ; then
- if $contains warning try.out >>/dev/null 2>&1 ; then
+ if $compiler_warning try.out >>/dev/null 2>&1 ; then
db_hashtype='int'
else
db_hashtype='u_int32_t'
#endif
EOCP
if $cc $ccflags -c try.c >try.out 2>&1 ; then
- if $contains warning try.out >>/dev/null 2>&1 ; then
+ if $compiler_warning try.out >>/dev/null 2>&1 ; then
db_prefixtype='int'
else
db_prefixtype='size_t'
memset((char *)&ldinf + 10, '\0', LONG_DOUBLESIZE - 10);
memset((char *)&ldnan + 10, '\0', LONG_DOUBLESIZE - 10);
# endif
+#endif
if (argc == 2) {
switch (argv[1][0]) {
case '1': bytes(&dinf, sizeof(dinf)); break;
case '2': bytes(&dnan, sizeof(dnan)); break;
+#ifdef HAS_LONG_DOUBLE
case '3': bytes(&ldinf, sizeof(ldinf)); break;
case '4': bytes(&ldnan, sizeof(ldnan)); break;
#endif
case "$yyy" in
12345678901)
sPRId64=PRId64; sPRIi64=PRIi64; sPRIu64=PRIu64;
- sPRIo64=PRIo64; sPRIx64=PRIx64; sPRIXU64=PRIXU64;
+ sPRIo64=PRIo64; sPRIx64=PRIx64; sPRIXU64=PRIX64;
echo "We will use the C9X style."
;;
esac
;;
esac
+case "$i32dformat" in
+'') case "$i32type" in
+ int)
+ i32dformat='"d"'
+ u32uformat='"u"'
+ u32oformat='"o"'
+ u32xformat='"x"'
+ u32XUformat='"X"'
+ ;;
+ long)
+ i32dformat='"ld"'
+ u32uformat='"lu"'
+ u32oformat='"lo"'
+ u32xformat='"lx"'
+ u32XUformat='"lX"'
+ ;;
+ int_least32_t) : will not happen currently
+ i32dformat=PRIdLEAST32
+ u32uformat=PRIuLEAST32
+ u32oformat=PRIoLEAST32
+ u32xformat=PRIxLEAST32
+ u32XUformat=PRIXLEAST32
+ ;;
+ int32_t)
+ i32dformat=PRId32
+ u32uformat=PRIu32
+ u32oformat=PRIo32
+ u32xformat=PRIx32
+ u32XUformat=PRIX32
+ ;;
+ esac ;;
+esac
+
+case "$i32dformat" in
+'') echo "$0: Fatal: failed to find format strings for 32-bit integers, cannot continue." >&4
+ exit 1
+ ;;
+esac
+
: Check format string for GID
echo " "
main(int ac, char **av)
{
signal(SIGSEGV, exit);
+#ifdef SIGBUS
+ signal(SIGBUS, exit);
+#endif
myprintf("%s%cs all right, then\n", "that", '\'');
exit(0);
: see if ar generates random libraries by itself
echo " "
echo "Checking how to generate random libraries on your machine..." >&4
-echo 'int bar1() { return bar2(); }' > bar1.c
+echo 'extern int bar2(); int bar1() { return bar2(); }' > bar1.c
echo 'int bar2() { return 2; }' > bar2.c
$cat > foo.c <<EOP
#$i_stdlib I_STDLIB
#ifdef I_STDLIB
#include <stdlib.h>
#endif
+#include <stdio.h>
+extern int bar1();
int main() { printf("%d\n", bar1()); exit(0); }
EOP
$cc $ccflags -c bar1.c >/dev/null 2>&1
for nfd in 'int' 'size_t' 'unsigned long' 'unsigned' ; do
for tmo in 'struct timeval *' 'const struct timeval *'; do
case "$val" in
- '') try="$extern_C select _(($nfd, $xxx, $xxx, $xxx, $tmo));"
+ '') try="$extern_C int select _(($nfd, $xxx, $xxx, $xxx, $tmo));"
if ./protochk "$try" $hdrs; then
echo "Your system accepts $xxx."
val="$xxx"
fi
$rm_try
+: Check the size of st_dev
+$echo " "
+$echo "Checking the size of st_dev..." >&4
+$cat > try.c <<EOCP
+#include <sys/stat.h>
+#include <stdio.h>
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+int main() {
+ struct stat st;
+ printf("%d\n", (int)sizeof(st.st_dev));
+ exit(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+ val=`$run ./try`
+ case "$val" in
+ '') st_dev_size=4
+ $echo "(I can't execute the test program--guessing $st_dev_size.)" >&4
+ ;;
+ *) st_dev_size=$val
+ $echo "Your st_dev is $st_dev_size bytes long."
+ ;;
+ esac
+else
+ st_dev_size=4
+ $echo "(I can't compile the test program--guessing $st_dev_size.)" >&4
+fi
+$rm_try
+
+: Check if st_dev is signed
+$echo " "
+$echo "Checking the sign of st_dev..." >&4
+$cat > try.c <<EOCP
+#include <sys/stat.h>
+#include <stdio.h>
+int main() {
+ struct stat foo;
+ foo.st_dev = -1;
+ if (foo.st_dev < 0)
+ printf("-1\n");
+ else
+ printf("1\n");
+}
+EOCP
+set try
+if eval $compile; then
+ val=`$run ./try`
+ case "$val" in
+ '') st_dev_sign=1
+ $echo "(I can't execute the test program--guessing unsigned.)" >&4
+ ;;
+ *) st_dev_sign=$val
+ case "$st_dev_sign" in
+ 1) $echo "Your st_dev is unsigned." ;;
+ -1) $echo "Your st_dev is signed." ;;
+ esac
+ ;;
+ esac
+else
+ st_dev_sign=1
+ $echo "(I can't compile the test program--guessing unsigned.)" >&4
+fi
+$rm_try
+
: Check the size of st_ino
$echo " "
$echo "Checking the size of st_ino..." >&4
;;
esac
+: Ask about strict by default.
+case "$usedefaultstrict" in
+ $define|true|[Yy]*)
+ dflt="y"
+ ;;
+ *)
+ dflt="n"
+ ;;
+ esac
+
+cat <<EOM
+
+EXPERIMENTAL: Perl can now be built with strict on by default when not
+invoked with -e or -E. This is a diagnostic tool for development.
+
+Unless you are familiar with this feature, you should probably answer 'no'.
+
+EOM
+
+rp='Would you like to build perl with strict enabled by default?'
+. ./myread
+case "$ans" in
+y|Y) val="$define" ;;
+*) val="$undef" ;;
+esac
+set usedefaultstrict
+eval $setvar
+
: Determine if we can use sysctl with KERN_PROC_PATHNAME to find executing program
echo " "
echo "Determining whether we can use sysctl with KERN_PROC_PATHNAME to find executing program..." >&4
MATH_HAS_NO_SIDE_EFFECTS mc300 mc500 mc68000 mc68010 mc68020
mc68030 mc68040 mc68060 mc68k mc68k32 mc700 mc88000 mc88100
merlin mert MiNT mips MIPSEB MIPSEL MIPS_FPSET MIPS_ISA MIPS_SIM
-MIPS_SZINT MIPS_SZLONG MIPS_SZPTR MODERN_C motorola mpeix MSDOS
+MIPS_SZINT MIPS_SZLONG MIPS_SZPTR MODERN_C motorola MSDOS
MTXINU MULTIMAX MVS mvs M_AMD64 M_ARM M_ARMT M_COFF M_I186 M_I286
M_I386 M_I8086 M_I86 M_I86SM M_IA64 M_IX86 M_PPC M_SYS3 M_SYS5
M_SYSIII M_SYSV M_UNIX M_X86 M_XENIX
for i in \`$cc -v -c tmp.c 2>&1 $postprocess_cc_v\`
do
case "\$i" in
- -D*) echo "\$i" | $sed 's/^-D//';;
+ -D*) echo "\$i" | $sed 's/^-D//;s/['\''\"]//g';;
-A*) $test "$gccversion" && echo "\$i" | $sed 's/^-A//' | $sed 's/\(.*\)(\(.*\))/\1=\2/';;
esac
done
: add -D_FORTIFY_SOURCE if feasible and not already there
case "$gccversion" in
-[456789].*) case "$optimize$ccflags" in
+[456789].*|[1-9][0-9]*) case "$optimize$ccflags" in
*-O*) case "$ccflags$cppsymbols" in
*_FORTIFY_SOURCE=*) # Don't add it again.
echo "You seem to have -D_FORTIFY_SOURCE already, not adding it." >&4
;;
esac
;;
- Thread|thread)
- case "$usethreads" in
- true|$define|y)
- case "$use5005threads" in
- $define|true|[yY]*) avail_ext="$avail_ext $xxx" ;;
- esac
- esac
- ;;
threads|threads/shared)
# threads and threads::shared are special cases.
# To stop people from asking "Perl 5.8.0 was supposed
chown='$chown'
clocktype='$clocktype'
comm='$comm'
+compiler_warning='$compiler_warning'
compress='$compress'
contains='$contains'
cp='$cp'
d_atanh='$d_atanh'
d_atolf='$d_atolf'
d_atoll='$d_atoll'
+d_attribute_always_inline='$d_attribute_always_inline'
d_attribute_deprecated='$d_attribute_deprecated'
d_attribute_format='$d_attribute_format'
d_attribute_malloc='$d_attribute_malloc'
d_attribute_noreturn='$d_attribute_noreturn'
d_attribute_pure='$d_attribute_pure'
d_attribute_unused='$d_attribute_unused'
+d_attribute_visibility='$d_attribute_visibility'
d_attribute_warn_unused_result='$d_attribute_warn_unused_result'
d_backtrace='$d_backtrace'
d_bsd='$d_bsd'
d_fdim='$d_fdim'
d_fds_bits='$d_fds_bits'
d_fegetround='$d_fegetround'
+d_ffs='$d_ffs'
+d_ffsl='$d_ffsl'
d_fgetpos='$d_fgetpos'
d_finite='$d_finite'
d_finitel='$d_finitel'
d_gdbmndbm_h_uses_prototypes='$d_gdbmndbm_h_uses_prototypes'
d_getaddrinfo='$d_getaddrinfo'
d_getcwd='$d_getcwd'
+d_getenv_preserves_other_thread='$d_getenv_preserves_other_thread'
d_getespwnam='$d_getespwnam'
d_getfsstat='$d_getfsstat'
d_getgrent='$d_getgrent'
d_madvise='$d_madvise'
d_malloc_good_size='$d_malloc_good_size'
d_malloc_size='$d_malloc_size'
+d_malloc_usable_size='$d_malloc_usable_size'
d_mblen='$d_mblen'
d_mbrlen='$d_mbrlen'
d_mbrtowc='$d_mbrtowc'
d_nexttoward='$d_nexttoward'
d_nice='$d_nice'
d_nl_langinfo='$d_nl_langinfo'
+d_nl_langinfo_l='$d_nl_langinfo_l'
+d_non_int_bitfields='$d_non_int_bitfields'
d_nv_preserves_uv='$d_nv_preserves_uv'
d_nv_zero_is_allbits_zero='$d_nv_zero_is_allbits_zero'
d_off64_t='$d_off64_t'
d_semop='$d_semop'
d_sendmsg='$d_sendmsg'
d_setegid='$d_setegid'
+d_setenv='$d_setenv'
d_seteuid='$d_seteuid'
d_setgrent='$d_setgrent'
d_setgrent_r='$d_setgrent_r'
d_snprintf='$d_snprintf'
d_sockaddr_in6='$d_sockaddr_in6'
d_sockaddr_sa_len='$d_sockaddr_sa_len'
+d_sockaddr_storage='$d_sockaddr_storage'
d_sockatmark='$d_sockatmark'
d_sockatmarkproto='$d_sockatmarkproto'
d_socket='$d_socket'
d_strtoull='$d_strtoull'
d_strtouq='$d_strtouq'
d_strxfrm='$d_strxfrm'
+d_strxfrm_l='$d_strxfrm_l'
d_suidsafe='$d_suidsafe'
d_symlink='$d_symlink'
d_syscall='$d_syscall'
d_telldir='$d_telldir'
d_telldirproto='$d_telldirproto'
d_tgamma='$d_tgamma'
+d_thread_local='$d_thread_local'
d_thread_safe_nl_langinfo_l='$d_thread_safe_nl_langinfo_l'
d_time='$d_time'
d_timegm='$d_timegm'
d_vsnprintf='$d_vsnprintf'
d_wait4='$d_wait4'
d_waitpid='$d_waitpid'
+d_wcrtomb='$d_wcrtomb'
d_wcscmp='$d_wcscmp'
d_wcstombs='$d_wcstombs'
d_wcsxfrm='$d_wcsxfrm'
html3direxp='$html3direxp'
i16size='$i16size'
i16type='$i16type'
+i32dformat='$i32dformat'
i32size='$i32size'
i32type='$i32type'
i64size='$i64size'
perl='$perl'
perl_patchlevel='$perl_patchlevel'
perl_static_inline='$perl_static_inline'
+perl_thread_local='$perl_thread_local'
perladmin='$perladmin'
perllibs='$perllibs'
perlpath='$perlpath'
srandom_r_proto='$srandom_r_proto'
src='$src'
ssizetype='$ssizetype'
+st_dev_sign='$st_dev_sign'
+st_dev_size='$st_dev_size'
st_ino_sign='$st_ino_sign'
st_ino_size='$st_ino_size'
startperl='$startperl'
ttyname_r_proto='$ttyname_r_proto'
u16size='$u16size'
u16type='$u16type'
+u32XUformat='$u32XUformat'
+u32oformat='$u32oformat'
u32size='$u32size'
u32type='$u32type'
+u32uformat='$u32uformat'
+u32xformat='$u32xformat'
u64size='$u64size'
u64type='$u64type'
u8size='$u8size'
uname='$uname'
uniq='$uniq'
uquadtype='$uquadtype'
-use5005threads='$use5005threads'
use64bitall='$use64bitall'
use64bitint='$use64bitint'
usecbacktrace='$usecbacktrace'
usecrosscompile='$usecrosscompile'
+usedefaultstrict='$usedefaultstrict'
usedevel='$usedevel'
usedl='$usedl'
usedtrace='$usedtrace'
versiononly='$versiononly'
vi='$vi'
xlibpth='$xlibpth'
+xlocale_needed='$xlocale_needed'
yacc='$yacc'
yaccflags='$yaccflags'
zcat='$zcat'
https://perl5.git.perl.org / perl5.git / blobdiff