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-rw-r--r--configure.in19
1 files changed, 17 insertions, 2 deletions
diff --git a/configure.in b/configure.in
index 082aa1ac42..bf60a50028 100644
--- a/configure.in
+++ b/configure.in
@@ -1315,14 +1315,29 @@ EOF
rm -f conftest*])
AC_SUBST(libc_cv_Bgroup)
+ AC_CACHE_CHECK(for libgcc_s suffix,
+ libc_cv_libgcc_s_suffix, [dnl
+ cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+changequote(,)dnl
+ libc_cv_libgcc_s_suffix=`${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
+ -shared -shared-libgcc -o conftest.so \
+ conftest.c -v 2>&1 >/dev/null \
+ | sed -n 's/^.* -lgcc_s\([^ ]*\) .*$/\1/p'`
+changequote([,])dnl
+ rm -f conftest*])
+ AC_SUBST(libc_cv_libgcc_s_suffix)
+
AC_CACHE_CHECK(for --as-needed option,
libc_cv_as_needed, [dnl
cat > conftest.c <<EOF
int main (void) { return 0; }
EOF
if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
- -shared -o conftest.so conftest.c -lgcc_s
- -Wl,--as-needed -nostdlib 1>&AS_MESSAGE_LOG_FD])
+ -shared -o conftest.so conftest.c
+ -lgcc_s$libc_cv_libgcc_s_suffix -Wl,--as-needed
+ -nostdlib 1>&AS_MESSAGE_LOG_FD])
then
libc_cv_as_needed=yes
else