From: Aki Tuomi <aki.tuomi@dovecot.fi>
Date: Sun, 25 Feb 2018 07:35:43 +0000 (+0200)
Subject: m4: Use -U and -D in cc_fortify
X-Git-Tag: 2.3.1~201
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7c4fa81fb9142c2ae5d0a75cef69218a91d13e58;p=thirdparty%2Fdovecot%2Fcore.git

m4: Use -U and -D in cc_fortify

Not just -D. This is to test the same thing
that gets used.
---

diff --git a/m4/cc_fortify.m4 b/m4/cc_fortify.m4
index aefa9c521b..3b01ec97cd 100644
--- a/m4/cc_fortify.m4
+++ b/m4/cc_fortify.m4
@@ -7,7 +7,7 @@ AC_DEFUN([AC_CC_D_FORTIFY_SOURCE],[
     if test $enable_hardening = yes; then
       case "$host" in
         *)
-          gl_COMPILER_OPTION_IF([-O2 -D_FORTIFY_SOURCE=2], [
+          gl_COMPILER_OPTION_IF([-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2], [
             CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2"
             ],
             [],