configure: Fix grub_cv_cc_fno_unwind_tables check.

Check tries -fno-dwarf2-cfi-asm but adds -fno-asynchronous-unwind-tables
to TARGET_CFLAGS. Fix this.

diff --git a/configure.ac b/configure.ac
index f662e20..ada6068 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -927,7 +927,7 @@ fi
 # these and they just use up vital space. Restore the old compiler
 # behaviour.
 AC_CACHE_CHECK([whether -fno-asynchronous-unwind-tables works], [grub_cv_cc_fno_asynchronous_unwind_tables], [
-  CFLAGS="$TARGET_CFLAGS -fno-dwarf2-cfi-asm"
+  CFLAGS="$TARGET_CFLAGS -fno-asynchronous-unwind-tables"
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
       [grub_cv_cc_fno_asynchronous_unwind_tables=yes],
       [grub_cv_cc_fno_asynchronous_unwind_tables=no])