From 9d3722c87ab15dfbc4e1a934e09ddc8253712d9c Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Tue, 29 May 2012 20:44:18 +0100
Subject: [PATCH 16/17] configure: Allow user defined C compiler flags.

---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index a7974b0426..8068de3cfc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -670,6 +670,10 @@ AS_CASE([$host],
       internal_cflags="$cc_warnings"],
     [common_cflags="-O"])])
 
+# Allow CFLAGS and LDFLAGS to be added.
+common_cflags="$common_cflags $CFLAGS"
+cclibs="$cclibs $LDFLAGS"
+
 # Enable SSE2 on x86 mingw to avoid using 80-bit registers.
 AS_CASE([$host],
   [i686-*-mingw32],
-- 
2.41.0