diff options
| author | jacobly0 <jacobly0@users.noreply.github.com> | 2020-10-27 10:00:03 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-27 10:00:03 -0400 |
| commit | 2d86809db6d1d626a9df40c283ec564ac98ff85d (patch) | |
| tree | cea90b24198f5d0212c422c61183849e909bdc81 /configure.ac | |
| parent | f4435980fa2da335fe388db431d4a7946a99a2b9 (diff) | |
| download | libffi-2d86809db6d1d626a9df40c283ec564ac98ff85d.tar.gz | |
Fix read-only .eh_frame section test when CFLAGS contains -flto. (#590)
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 3ca1f4f..790274e 100644 --- a/configure.ac +++ b/configure.ac @@ -260,11 +260,13 @@ EOF fi if test "x$GCC" = "xyes"; then + AX_CHECK_COMPILE_FLAG(-fno-lto, libffi_cv_no_lto=-fno-lto) + AC_CACHE_CHECK([whether .eh_frame section should be read-only], libffi_cv_ro_eh_frame, [ libffi_cv_ro_eh_frame=yes echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c - if $CC $CFLAGS -c -fpic -fexceptions -o conftest.o conftest.c > /dev/null 2>&1; then + if $CC $CFLAGS -c -fpic -fexceptions $libffi_cv_no_lto -o conftest.o conftest.c > /dev/null 2>&1; then if readelf -WS conftest.o | grep -q -n 'eh_frame .* WA'; then libffi_cv_ro_eh_frame=no fi |