From: H.J. Lu Date: Thu, 19 Jan 2006 22:36:41 +0000 (+0000) Subject: re PR libstdc++/25797 (almost all libstdc++ tests fail) X-Git-Tag: releases/gcc-4.2.0~4733 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=360e875934ba609e5da6c444f074d4d5e6b29fed;p=thirdparty%2Fgcc.git re PR libstdc++/25797 (almost all libstdc++ tests fail) 2006-01-19 H.J. Lu PR libstdc++/25797 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Remove -Werror from CFLAGS. Check if linker really supports --gc-sections. * configure: Regenerated. From-SVN: r109985 --- diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 09bb51d7ac24..2ee8841e134e 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,10 @@ +2006-01-19 H.J. Lu + + PR libstdc++/25797 + * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Remove -Werror + from CFLAGS. Check if linker really supports --gc-sections. + * configure: Regenerated. + 2006-01-18 Paul Brook * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Use std::abort. diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index 52f15aedc41b..d0a5a6be7cf1 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -237,13 +237,24 @@ AC_DEFUN([GLIBCXX_CHECK_LINKER_FEATURES], [ # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections]) AC_TRY_LINK([ int one(void) { return 1; } int two(void) { return 2; } ], [ two(); ] , [ac_gcsections=yes], [ac_gcsections=no]) + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index f7ac1a1fc7f5..50b936196173 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -8215,7 +8215,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -8273,6 +8273,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi @@ -53062,7 +53073,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -53120,6 +53131,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi @@ -74402,7 +74424,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -74460,6 +74482,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi @@ -75905,7 +75938,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -75963,6 +75996,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi @@ -77284,7 +77328,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -77342,6 +77386,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi @@ -79450,7 +79505,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -79508,6 +79563,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi @@ -80782,7 +80848,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -80840,6 +80906,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi @@ -82163,7 +82240,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -82221,6 +82298,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi @@ -83936,7 +84024,7 @@ echo "${ECHO_T}$glibcxx_cv_WRITEV" >&6 # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -83994,6 +84082,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi @@ -86030,7 +86129,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Werror -Wl,--gc-sections' + CFLAGS='-x c++ -Wl,--gc-sections' # Check for -Wl,--gc-sections echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -86088,6 +86187,17 @@ ac_gcsections=no fi rm -f conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + rm -f conftest.c + touch conftest.c + if $CC -c conftest.c; then + if $LD --gc-sections -o conftest conftest.o 2>&1 | \ + grep "Warning: gc-sections option ignored" > /dev/null; then + ac_gcsections=no + fi + fi + rm -f conftest.c conftest.o conftest + fi if test "$ac_gcsections" = "yes"; then SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" fi