-case $CONFIG in
+case $PERL_CONFIG_SH in
'')
- if test ! -f config.sh; then
- ln ../config.sh . || \
- ln ../../config.sh . || \
- ln ../../../config.sh . || \
- (echo "Can't find config.sh."; exit 1)
- fi 2>/dev/null
- . ./config.sh
- ;;
+ if test -f config.sh; then TOP=.;
+ elif test -f ../config.sh; then TOP=..;
+ elif test -f ../../config.sh; then TOP=../..;
+ elif test -f ../../../config.sh; then TOP=../../..;
+ elif test -f ../../../../config.sh; then TOP=../../../..;
+ else
+ echo "Can't find config.sh."; exit 1
+ fi
+ . $TOP/config.sh
+ ;;
esac
+: This forces SH files to create target in same directory as SH file.
+: This is so that make depend always knows where to find SH derivatives.
case "$0" in
*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
esac
+if test -f config_h.SH -a ! -f config.h; then
+ . ./config_h.SH
+ CONFIG_H=already-done
+fi
+
+warn=''
+
+# Add -Wall for the core modules iff gcc and not already -Wall
+case "$gccversion" in
+'') ;;
+Intel*) ;; # The Intel C++ plays gcc on TV but is not really it.
+*) case "$ccflags" in
+ *-Wall*) ;;
+ *) warn="$warn -Wall" ;;
+ esac
+ ;;
+esac
+
+# Create a test source file for testing what options can be fed to
+# gcc in this system; include a selection of most common and commonly
+# hairy include files.
+
+cat >_cflags.c <<__EOT__
+#include "EXTERN.h"
+#include "perl.h"
+/* The stdio.h, errno.h, and setjmp.h should be there in any ANSI C89. */
+#include <stdio.h>
+#include <errno.h>
+#include <setjmp.h>
+/* Just in case the inclusion of perl.h did not
+ * pull in enough system headers, let's try again. */
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+#ifdef I_STDDEF
+#include <stddef.h>
+#endif
+#ifdef I_STDARG
+#include <stdarg.h>
+#endif
+#ifdef I_LIMITS
+#include <limits.h>
+#endif
+#ifdef I_DIRENT
+#include <dirent.h>
+#endif
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+#ifdef I_SYSTYPES
+#include <sys/types.h>
+#endif
+#ifdef I_SYSPARAM
+#include <sys/param.h>
+#endif
+#ifdef I_SYSRESOURCE
+#include <sys/resource.h>
+#endif
+#ifdef I_SYSSELECT
+#include <sys/select.h>
+#endif
+#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* See perl.h. */
+#include <sys/socket.h>
+#endif
+#ifdef I_SYSSTAT
+#include <sys/stat.h>
+#endif
+#ifdef I_SYSTIME
+#include <sys/time.h>
+#endif
+#ifdef I_SYSTIMES
+#include <sys/times.h>
+#endif
+#ifdef I_SYSWAIT
+#include <sys/wait.h>
+#endif
+/* The gcc -ansi can cause a lot of noise in Solaris because of:
+ /usr/include/sys/resource.h:148: warning: 'struct rlimit64' declared inside parameter list
+ */
+int main(int argc, char *argv[]) {
+
+/* Add here test code found to be problematic in some gcc platform. */
+
+/* Off_t/off_t is a struct in Solaris with largefiles, and with gcc -ansi
+ * that struct cannot be compared in some gcc releases with a flat
+ * integer, such as a STRLEN. */
+
+ Off_t t0a = 2;
+ STRLEN t0b = 3;
+ int t0c = t0a == t0b;
+
+ return 0;
+}
+__EOT__
+
+stdflags=''
+
+# Further gcc warning options.
+case "$gccversion" in
+'') ;;
+[12]*) ;; # gcc versions 1 (gasp!) and 2 are not good for this.
+Intel*) ;; # # Is that you, Intel C++?
+*) for opt in -ansi -pedantic -std=c89 -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat
+ do
+ case " $ccflags " in
+ *" $opt "*) ;; # Skip if already there.
+ *) rm -f _cflags$_exe
+ case "`$cc $cflags $opt _cflags.c -o _cflags$_exe 2>&1`" in
+ *"unrecognized"*) ;;
+ *"Invalid"*) ;;
+ *"is valid for C"*) ;;
+ *) if test -x _cflags$_exe
+ then
+ case "$opt" in
+ -std*) stdflags="$stdflags $opt" ;;
+ *) warn="$warn $opt" ;;
+ esac
+ fi
+ ;;
+ esac
+ ;;
+ esac
+ done
+ ;;
+esac
+rm -f _cflags.c _cflags$_exe
+
+case "$gccversion" in
+'') ;;
+*)
+ if [ "$gccansipedantic" = "" ]; then
+ # If we have -Duse64bitint (or equivalent) in effect and the quadtype
+ # has become 'long long', gcc -pedantic becomes unbearable (moreso
+ # when combined with -Wall) because long long and LL and %lld|%Ld
+ # become warn-worthy. So let's drop the -pedantic in that case.
+ case "$quadtype:$sPRId64" in
+ "long long"*|*lld*|*Ld*)
+ ccflags="`echo $ccflags|sed 's/-pedantic/ /'`"
+ warn="`echo $warn|sed 's/-pedantic/ /'`"
+ ;;
+ esac
+ fi
+ # Using certain features (like the gcc statement expressions)
+ # requires knowing whether -pedantic has been specified.
+ case "$warn$ccflags" in
+ *-pedantic*) warn="$warn -DPERL_GCC_PEDANTIC" ;;
+ esac
+ ;;
+esac
+
+# Code to set any extra flags here.
+extra=''
+
+echo "Extracting cflags (with variable substitutions)"
+: This section of the file will have variable substitutions done on it.
+: Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!.
+: Protect any dollar signs and backticks that you do not want interpreted
+: by putting a backslash in front. You may delete these comments.
+rm -f cflags
+$spitshell >cflags <<!GROK!THIS!
+$startsh
+
+# Extra warnings, used e.g. for gcc.
+warn="$warn"
+# Extra standardness.
+stdflags="$stdflags"
+# Extra extra.
+extra="$extra"
+
+!GROK!THIS!
+
+: In the following dollars and backticks do not need the extra backslash.
+$spitshell >>cflags <<'!NO!SUBS!'
+case $PERL_CONFIG_SH in
+'')
+ if test -f config.sh; then TOP=.;
+ elif test -f ../config.sh; then TOP=..;
+ elif test -f ../../config.sh; then TOP=../..;
+ elif test -f ../../../config.sh; then TOP=../../..;
+ elif test -f ../../../../config.sh; then TOP=../../../..;
+ else
+ echo "Can't find config.sh."; exit 1
+ fi
+ . $TOP/config.sh
+ ;;
+esac
+
+: syntax: cflags [optimize=XXX] [file[.suffix]]
+: displays the compiler command line for file
+
+case "X$1" in
+Xoptimize=*|X"optimize=*")
+ eval "$1"
+ shift
+ ;;
+esac
+
also=': '
case $# in
-1) also='echo 1>&2 " CFLAGS = "'
+1) also='echo 1>&2 " CCCMD = "'
esac
case $# in
0) set *.c; echo "The current C flags are:" ;;
-*) set `echo "$* " | sed 's/\.o /.c /g'`
esac
+
+set `echo "$* " | sed -e 's/\.[oc] / /g' -e 's/\.obj / /g' -e "s/\\$obj_ext / /g"`
+
for file do
case "$#" in
1) ;;
- *) echo $n " $file $c" ;;
+ *) echo $n " $file.c $c" ;;
esac
+ : allow variables like toke_cflags to be evaluated
+
+ if echo $file | grep -v / >/dev/null
+ then
+ eval 'eval ${'"${file}_cflags"'-""}'
+ fi
+
+ : or customize here
+
case "$file" in
- array.c) ;;
- cmd.c) ;;
- cons.c) ;;
- consarg.c) ;;
- doarg.c) ;;
- doio.c) ;;
- dolist.c) ;;
- dump.c) ;;
- eval.c) ;;
- form.c) ;;
- hash.c) ;;
- malloc.c) ;;
- perl.c) ;;
- perly.c) ;;
- regcomp.c) ;;
- regexec.c) ;;
- stab.c) ;;
- str.c) ;;
- toke.c) ;;
- usersub.c) ;;
- util.c) ;;
- tarray.c) ;;
- tcmd.c) ;;
- tcons.c) ;;
- tconsarg.c) ;;
- tdoarg.c) ;;
- tdoio.c) ;;
- tdolist.c) ;;
- tdump.c) ;;
- teval.c) ;;
- tform.c) ;;
- thash.c) ;;
- tmalloc.c) ;;
- tperl.c) ;;
- tperly.c) ;;
- tregcomp.c) ;;
- tregexec.c) ;;
- tstab.c) ;;
- tstr.c) ;;
- ttoke.c) ;;
- tusersub.c) ;;
- tutil.c) ;;
+ DB_File) ;;
+ GDBM_File) ;;
+ NDBM_File) ;;
+ ODBM_File) ;;
+ POSIX) ;;
+ SDBM_File) ;;
+ av) ;;
+ byterun) ;;
+ deb) ;;
+ dl) ;;
+ doio) ;;
+ doop) ;;
+ dump) ;;
+ globals) ;;
+ gv) ;;
+ hv) ;;
+ locale) ;;
+ madly) ;;
+ main) ;;
+ malloc) ;;
+ mg) ;;
+ miniperlmain) ;;
+ numeric) ;;
+ op) ;;
+ opmini) ;;
+ pad) ;;
+ perl) ;;
+ perlapi) ;;
+ perlmain) ;;
+ perly) ;;
+ pp) ;;
+ pp_ctl) ;;
+ pp_hot) ;;
+ pp_pack) ;;
+ pp_sort) ;;
+ pp_sys) ;;
+ regcomp) ;;
+ regexec) ;;
+ run) ;;
+ scope) ;;
+ sv) ;;
+ taint) ;;
+ toke) ;;
+ universal) ;;
+ usersub) ;;
+ utf8) ;;
+ util) ;;
+ xsutils) ;;
*) ;;
esac
- echo "$ccflags $optimize $large $split"
- eval "$also $ccflags $optimize $large $split"
+case "$cc" in
+*g++*)
+ # Extra paranoia in case people have bad canned ccflags:
+ # bad in the sense that the flags are accepted by g++,
+ # but then whined about.
+ for f in -Wdeclaration-after-statement -std=c89
+ do
+ ccflags=`echo $ccflags|sed 's/$f/ /'`
+ done
+ ;;
+esac
+
+case "$cc" in
+*g++*)
+ # Without -Wno-unused-variable g++ 4.x compiles are rather unwatchable
+ # because of all the warnings about Perl___notused, and g++ doesn't do
+ # __attribute__((unused)) (and even if at some stage it may, people do
+ # have older gcc installations), and ((void)x) isn't enough to silence
+ # the noises about XS functions not using their cv parameter, so we need
+ # the -Wno-unused-parameter too.
+ # Yes, we lose some valid warnings, but hopefully other compilers
+ # (like gcc) will still pick up those warnings.
+ for o in -Wno-unused-variable -Wno-unused-parameter
+ do
+ case "$warn" in
+ *$o*) ;;
+ *) warn="$warn $o" ;;
+ esac
+ done
+ ;;
+esac
+
+if test -f .patch; then
+ ccflags="-DPERL_PATCHNUM=`cat .patch` $ccflags"
+fi
+
+ : Can we perhaps use $ansi2knr here
+ echo "$cc -c -DPERL_CORE $ccflags $stdflags $optimize $warn $extra"
+ eval "$also "'"$cc -DPERL_CORE -c $ccflags $stdflags $optimize $warn $extra"'
+
+ . $TOP/config.sh
+
done
+!NO!SUBS!
+chmod 755 cflags
+$eunicefix cflags
https://perl5.git.perl.org / perl5.git / blobdiff