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-rwxr-xr-xconfigure59
1 files changed, 10 insertions, 49 deletions
diff --git a/configure b/configure
index 2ce30a3265..93fff2a64d 100755
--- a/configure
+++ b/configure
@@ -5399,56 +5399,17 @@ echo $ECHO_N "checking for libunwind-support in compiler... $ECHO_C" >&6
if test "${libc_cv_cc_with_libunwind+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-#include <libunwind.h>
-int
-main ()
-{
- unw_context_t uc;
- unw_cursor_t c;
- unw_getcontext (&uc);
- unw_init_local (&c, &uc)
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
- (eval $ac_link) 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } &&
- { ac_try='test -z "$ac_c_werror_flag"
- || test ! -s conftest.err'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; } &&
- { ac_try='test -s conftest$ac_exeext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- libc_cv_cc_with_libunwind=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-libc_cv_cc_with_libunwind=no
-fi
-rm -f conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
+ cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static -o conftest \
+ conftest.c -v 2>&1 >/dev/null | grep -q " -lunwind "; then
+ libc_cv_cc_with_libunwind=yes
+ else
+ libc_cv_cc_with_libunwind=no
+ fi
+ rm -f conftest*
fi
echo "$as_me:$LINENO: result: $libc_cv_cc_with_libunwind" >&5
echo "${ECHO_T}$libc_cv_cc_with_libunwind" >&6