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authorEric Botcazou <ebotcazou@libertysurf.fr>2006-07-04 09:52:47 +0200
committerEric Botcazou <ebotcazou@gcc.gnu.org>2006-07-04 07:52:47 +0000
commit0b50988af53a1e6237a8c3b61c5da1c4d1a41117 (patch)
treec3b9e31f432f73e77358b1d33eac3ed3d9d9a590
parent84e9ad15fabafedf6815d5a6c90d65c7774c7792 (diff)
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re PR bootstrap/18058 (Bootstrap fails with non-GCC compilers)
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
-rw-r--r--ChangeLog7
-rwxr-xr-xconfigure31
-rw-r--r--configure.in15
-rw-r--r--gcc/ChangeLog8
-rw-r--r--gcc/Makefile.in12
5 files changed, 68 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index aaacd6c..9464678 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -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.
diff --git a/configure b/configure
index 1734e2e..03d1e31 100755
--- a/configure
+++ b/configure
@@ -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.
diff --git a/configure.in b/configure.in
index dd5d21d..a67a0a2 100644
--- a/configure.in
+++ b/configure.in
@@ -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.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dbc201e..2905deb 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 9197d4e..9f29c7b 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -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.