diff options
| -rw-r--r-- | m4/ax_ptrdiff_aliases_int.m4 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/m4/ax_ptrdiff_aliases_int.m4 b/m4/ax_ptrdiff_aliases_int.m4 index f7175cd..d28e864 100644 --- a/m4/ax_ptrdiff_aliases_int.m4 +++ b/m4/ax_ptrdiff_aliases_int.m4 @@ -1,5 +1,8 @@ AC_DEFUN([AX_PTRDIFF_ALIASES_INT], [ + ax_saved_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Werror" + AC_CACHE_CHECK([whether ptrdiff_t aliases int], [ax_cv_ptrdiff_aliases_int], [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ @%:@include <stddef.h> @@ -13,4 +16,6 @@ AC_DEFUN([AX_PTRDIFF_ALIASES_INT], [ AS_IF([test "x$ax_cv_ptrdiff_aliases_int" = "xyes"], [ AC_DEFINE([PTRDIFF_ALIASES_INT], [1], [Whether ptrdiff_t aliases int]) ]) + + CFLAGS="$ax_saved_CFLAGS" ])dnl |