re PR libstdc++/25797 (almost all libstdc++ tests fail)
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. From-SVN: r109985
This commit is contained in:
H.J. Lu
H.J. Lu
parent
dd1a203f19
commit
360e875934
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@ -1,3 +1,10 @@
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2006-01-19 H.J. Lu <hongjiu.lu@intel.com>
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PR libstdc++/25797
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* acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Remove -Werror
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from CFLAGS. Check if linker really supports --gc-sections.
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* configure: Regenerated.
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2006-01-18 Paul Brook <paul@codesourcery.com>
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* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Use std::abort.
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@ -237,13 +237,24 @@ AC_DEFUN([GLIBCXX_CHECK_LINKER_FEATURES], [
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections])
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AC_TRY_LINK([ int one(void) { return 1; }
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int two(void) { return 2; }
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], [ two(); ] , [ac_gcsections=yes], [ac_gcsections=no])
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -8215,7 +8215,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -8273,6 +8273,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -53062,7 +53073,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -53120,6 +53131,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -74402,7 +74424,7 @@ done
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -74460,6 +74482,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -75905,7 +75938,7 @@ done
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -75963,6 +75996,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -77284,7 +77328,7 @@ done
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -77342,6 +77386,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -79450,7 +79505,7 @@ done
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -79508,6 +79563,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -80782,7 +80848,7 @@ done
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -80840,6 +80906,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -82163,7 +82240,7 @@ done
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -82221,6 +82298,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -83936,7 +84024,7 @@ echo "${ECHO_T}$glibcxx_cv_WRITEV" >&6
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -83994,6 +84082,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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@ -86030,7 +86129,7 @@ done
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# Need to do this so that g++ won't try to link in libstdc++/libsupc++.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Werror -Wl,--gc-sections'
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
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@ -86088,6 +86187,17 @@ ac_gcsections=no
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fi
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rm -f conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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if test "$ac_gcsections" = "yes"; then
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rm -f conftest.c
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touch conftest.c
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if $CC -c conftest.c; then
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if $LD --gc-sections -o conftest conftest.o 2>&1 | \
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grep "Warning: gc-sections option ignored" > /dev/null; then
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ac_gcsections=no
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fi
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fi
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rm -f conftest.c conftest.o conftest
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fi
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if test "$ac_gcsections" = "yes"; then
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SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
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fi
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