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re PR bootstrap/18058 (Bootstrap fails with non-GCC compilers)

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PR bootstrap/18058
	* configure.in: Add -fkeep-inline-functions to CFLAGS for stage 1
	if the bootstrap compiler is a GCC version that supports it.
	* configure: Regenerate.
gcc/
	* Makefile.in (BUILD_RTL): Add build/vec.o.
	(build/gencondmd.o): Filter out -fkeep-inline-functions.
	(build/genextract): Delete.
	(build/genautomata): Likewise.

From-SVN: r115172
This commit is contained in:
Eric Botcazou 2006-07-04 09:52:47 +02:00 committed by Eric Botcazou
parent 84e9ad15fa
commit 0b50988af5
5 changed files with 68 additions and 5 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
PR bootstrap/18058
* configure.in: Add -fkeep-inline-functions to CFLAGS for stage 1
if the bootstrap compiler is a GCC version that supports it.
* configure: Regenerate.
2006-07-03 Paolo Bonzini <bonzini@gnu.org>
* configure.in: Fix thinkos in previous check-in.

31
configure vendored
View File

@ -7257,6 +7257,37 @@ case $build in
;;
esac
# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
if test "$GCC" = yes; then
saved_CFLAGS="$CFLAGS"
# Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
CFLAGS="$CFLAGS -fkeep-inline-functions"
echo $ac_n "checking whether -fkeep-inline-functions is supported""... $ac_c" 1>&6
echo "configure:3894: checking whether -fkeep-inline-functions is supported" >&5
cat > conftest.$ac_ext <<EOF
#line 3896 "configure"
#include "confdefs.h"
int main() {
; return 0; }
EOF
if { (eval echo configure:3903: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
echo "$ac_t""yes" 1>&6; stage1_cflags="$stage1_cflags -fkeep-inline-functions"
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
echo "$ac_t""no" 1>&6
fi
rm -f conftest*
CFLAGS="$saved_CFLAGS"
fi
# Enable -Werror in bootstrap stage2 and later.
# Change the default to "no" on release branches.

15
configure.in
View File

@ -2411,6 +2411,21 @@ case $build in
stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
;;
esac
# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
if test "$GCC" = yes; then
saved_CFLAGS="$CFLAGS"
# Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
CFLAGS="$CFLAGS -fkeep-inline-functions"
AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
AC_TRY_COMPILE(,,
[AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
[AC_MSG_RESULT([no])])
CFLAGS="$saved_CFLAGS"
fi
AC_SUBST(stage1_cflags)
# Enable -Werror in bootstrap stage2 and later.

8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
PR bootstrap/18058
* Makefile.in (BUILD_RTL): Add build/vec.o.
(build/gencondmd.o): Filter out -fkeep-inline-functions.
(build/genextract): Delete.
(build/genautomata): Likewise.
2006-07-04 Alan Modra <amodra@bigpond.net.au>
PR target/28207

12
gcc/Makefile.in
View File

@ -854,7 +854,7 @@ LDEXP_LIB = @LDEXP_LIB@
# even if we are cross-building GCC.
BUILD_LIBS = $(BUILD_LIBIBERTY)
BUILD_RTL = build/rtl.o build/read-rtl.o build/ggc-none.o \
BUILD_RTL = build/rtl.o build/read-rtl.o build/ggc-none.o build/vec.o \
build/min-insn-modes.o build/gensupport.o build/print-rtl.o
BUILD_ERRORS = build/errors.o
@ -2956,6 +2956,11 @@ build/gencondmd.o : build/gencondmd.c $(BCONFIG_H) $(SYSTEM_H) \
coretypes.h $(GTM_H) insn-constants.h $(RTL_H) $(TM_P_H) \
$(FUNCTION_H) $(REGS_H) $(RECOG_H) $(REAL_H) output.h $(FLAGS_H) \
$(RESOURCE_H) toplev.h reload.h except.h tm-constrs.h
# This pulls in tm-pred.h which contains inline functions wrapping up
# predicates from the back-end so those functions must be discarded.
# No big deal since gencondmd.c is a dummy file for non-GCC compilers.
build/gencondmd.o : \
BUILD_CFLAGS := $(filter-out -fkeep-inline-functions, $(BUILD_CFLAGS))
# ...these are the programs themselves.
build/genattr.o : genattr.c $(RTL_BASE_H) $(BCONFIG_H) $(SYSTEM_H) \
@ -3020,10 +3025,7 @@ genprogmd = attr attrtab automata codes conditions config constants emit \
extract flags mddeps opinit output peep preds recog
$(genprogmd:%=build/gen%$(build_exeext)): $(BUILD_RTL) $(BUILD_ERRORS)
# These programs need files over and above what they get from the above list.
build/genextract$(build_exeext) : build/vec.o
build/genautomata$(build_exeext) : build/vec.o
# These programs need libs over and above what they get from the above list.
build/genautomata$(build_exeext) : BUILD_LIBS += -lm
# These programs are not linked with the MD reader.