?RCS:
?RCS: Copyright (c) 1991-1993, Raphael Manfredi
?RCS:
-?RCS: You may redistribute only under the terms of the Artistic Licence,
+?RCS: You may redistribute only under the terms of the Artistic License,
?RCS: as specified in the README file that comes with the distribution.
?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
+?RCS: that same Artistic License; a copy of which may be found at the root
?RCS: of the source tree for dist 3.0.
?RCS:
?RCS: $Log: ccflags.U,v $
?RCS: patch54: now checks for cc/ccflags/ldflags coherency
?RCS:
?RCS: Revision 3.0.1.6 1994/10/29 16:07:02 ram
-?RCS: patch36: gcc versionning no longer relies on the C compiler's name
+?RCS: patch36: gcc versioning no longer relies on the C compiler's name
?RCS: patch36: simplified check for gcc version checking (ADO)
?RCS:
?RCS: Revision 3.0.1.5 1994/08/29 16:06:35 ram
?RCS: patch23: magically added cc flags now only done the first time
?RCS:
?RCS: Revision 3.0.1.3 1993/09/13 15:58:29 ram
-?RCS: patch10: explicitely mention -DDEBUG just in case they need it (WAD)
+?RCS: patch10: explicitly mention -DDEBUG just in case they need it (WAD)
?RCS: patch10: removed all the "tans" variable usage (WAD)
?RCS:
?RCS: Revision 3.0.1.2 1993/08/27 14:39:38 ram
?RCS: Revision 3.0 1993/08/18 12:05:31 ram
?RCS: Baseline for dist 3.0 netwide release.
?RCS:
-?MAKE:ccflags ldflags lkflags cppflags optimize locincpth: test cat \
+?MAKE:ccflags ldflags lkflags cppflags optimize locincpth: test cat osname \
Myread Guess Options Oldconfig +gccversion mips_type +usrinc \
package contains rm +cc cppstdin cppminus cpprun cpplast libpth \
- libs loclibpth hint usesocks sh run rm_try
+ libs loclibpth hint usesocks sh run rm_try sysroot
?MAKE: -pick add $@ %<
?S:ccflags:
?S: This variable contains any additional C compiler flags desired by
?D:ccflags=''
?D:ldflags=''
?D:optimize=''
+?LINT:extern _sysroot
?INIT:: Possible local include directories to search.
?INIT:: Set locincpth to "" in a hint file to defeat local include searches.
?INIT:locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
?INIT:
?INIT:: Enable -DEBUGGING and -DDEBUGGING from the command line
?INIT:EBUGGING=''
-?INIT:DEBUGGING=old
+?INIT:DEBUGGING=''
?INIT:
: determine optimization, if desired, or use for debug flag also
?X: Allow for Configure -Uoptimize -- it's not strictly sensible, but
checkccflag='check=$1; flag=$2; callback=$3;
echo " ";
echo "Checking if your compiler accepts $flag" 2>&1;
+[ "X$sysroot" != "X" ] && echo "For sysroot = $sysroot";
echo "int main(void) { return 0; }" > gcctest.c;
-if $cc -O2 $flag -o gcctest gcctest.c 2>gcctest.out && ./gcctest; then
+if $cc $_sysroot -O2 $flag -o gcctest gcctest.c 2>gcctest.out && $run ./gcctest; then
echo "Yes, it does." 2>&1;
if $test -s gcctest.out ; then
echo "But your platform does not like it:";
# is to add the flag to the flags passed to the compiler at link time,
# as that way the compiler can do the right implementation dependant
# thing. (NWC)
- case "$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 $checkccflag
+ ;;
+ esac
+ ;;
+ esac
;;
esac
;;
esac
# See note above about -fstack-protector
case "$ccflags" in
-*-fstack-protector*)
+*-fstack-protector-strong*)
+ case "$dflt" in
+ *-fstack-protector-strong*) ;; # Don't add it again
+ *) dflt="$dflt -fstack-protector-strong" ;;
+ esac
+ ;;
+*-fstack-protector*)
case "$dflt" in
*-fstack-protector*) ;; # Don't add it again
- *) dflt="$dflt -fstack-protector" ;;
+ *) dflt="$dflt -fstack-protector" ;;
esac
;;
esac
?X: We need to try the resulting executable, because cc might yield a 0 status
?X: even when ld failed, in which case the executable will not run properly,
?X: if its x bit is set at all...
-?X:
-?X: Also check the xxx=`$run ./try` output to check for misconfigured -lsfio.
-?X: If sfio's iffe goofed and it uses _exit instead of exit, then the
-?X: output buffers don't get flushed and we don't see any output
-?X: when run from within `backticks`. What fun.
-?X: --Andy Dougherty 2/13/1998
if $sh -c "$cc -o try $optimize $ccflags $ldflags try.c $libs" >>try.msg 2>&1; then
if $sh -c "$run ./try " >>try.msg 2>&1; then
xxx=`$run ./try`
case "$xxx" in
"Ok") dflt=n ;;
- *) echo 'The program compiled OK, but produced no output.' >> try.msg
- case " $libs " in
- *" -lsfio "*)
- cat >> try.msg <<'EOQS'
-If $libs contains -lsfio, and sfio is mis-configured, then it
-sometimes (apparently) runs and exits with a 0 status, but with no
-output! It may have to do with sfio's use of _exit vs. exit.
-
-EOQS
- rp="You have a big problem. Shall I abort Configure"
- dflt=y
- ;;
- esac
- ;;
+ *) echo 'The program compiled OK, but produced no output.' >> try.msg ;;
esac
else
echo "The program compiled OK, but exited with status $?." >>try.msg
https://perl5.git.perl.org / metaconfig.git / blobdiff