From 84942a4aeb5884aed8d93c0882b197eb5fd4d84d Mon Sep 17 00:00:00 2001
From: Vincent Bernat <vincent@bernat.im>
Date: Thu, 21 May 2015 07:49:19 +0200
Subject: [PATCH] build: when checking for additional flags, be fatal on errors

---
 m4/ax_ld_check_flag.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m4/ax_ld_check_flag.m4 b/m4/ax_ld_check_flag.m4
index 123c4507..2da32410 100644
--- a/m4/ax_ld_check_flag.m4
+++ b/m4/ax_ld_check_flag.m4
@@ -62,7 +62,7 @@ AC_DEFUN([AX_LDFLAGS_OPTION],[
     AC_LANG_C
 
     save_LDFLAGS="$LDFLAGS"
-    LDFLAGS="$LDFLAGS $[]m4_ifval($2,$2,) $1"
+    LDFLAGS="-Werror $LDFLAGS $[]m4_ifval($2,$2,) $1"
     AC_LINK_IFELSE([
       AC_LANG_PROGRAM([],[])
     ],[
-- 
2.39.5