diff options
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-01-19 22:36:41 +0000 |
|---|---|---|
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-01-19 22:36:41 +0000 |
| commit | 78e1dded8bd3a5379fdc6c17814ade1f4e21afd8 (patch) | |
| tree | de03a10423d0e9fe0ce57be254ab86ec473b95cc /libstdc++-v3/configure | |
| parent | c407b114c917f5cf7565fb17353654891c2ff517 (diff) | |
| download | gcc-78e1dded8bd3a5379fdc6c17814ade1f4e21afd8.tar.gz | |
2006-01-19 H.J. Lu <hongjiu.lu@intel.com>
PR libstdc++/25797
* acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Remove -Werror
from CFLAGS. Check if linker really supports --gc-sections.
* configure: Regenerated.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@109985 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/configure')
| -rwxr-xr-x | libstdc++-v3/configure | 130 |
1 files changed, 120 insertions, 10 deletions
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index f7ac1a1fc7f..50b93619617 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:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -8274,6 +8274,17 @@ fi rm -f conftest.err conftest.$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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 @@ -53062,7 +53073,7 @@ ac_compiler_gnu=$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 @@ -53121,6 +53132,17 @@ 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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 @@ -74402,7 +74424,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${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:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -74461,6 +74483,17 @@ fi rm -f conftest.err conftest.$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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 @@ -75905,7 +75938,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${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:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -75964,6 +75997,17 @@ fi rm -f conftest.err conftest.$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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 @@ -77284,7 +77328,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${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:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -77343,6 +77387,17 @@ fi rm -f conftest.err conftest.$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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 @@ -79450,7 +79505,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${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:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -79509,6 +79564,17 @@ fi rm -f conftest.err conftest.$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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 @@ -80782,7 +80848,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${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:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -80841,6 +80907,17 @@ fi rm -f conftest.err conftest.$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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 @@ -82163,7 +82240,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${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:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -82222,6 +82299,17 @@ fi rm -f conftest.err conftest.$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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 @@ -83936,7 +84024,7 @@ echo "${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:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -83995,6 +84083,17 @@ fi rm -f conftest.err conftest.$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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 @@ -86030,7 +86129,7 @@ done # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${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:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 @@ -86089,6 +86188,17 @@ fi rm -f conftest.err conftest.$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 $SECTION_LDFLAGS" fi echo "$as_me:$LINENO: result: $ac_gcsections" >&5 |