From d59ed0b3b410c908c80eca11cde005074b76e814 Mon Sep 17 00:00:00 2001
From: Pau Espin Pedrol <pespin@sysmocom.de>
Date: Wed, 5 Jul 2017 19:56:34 +0200
Subject: configure.ac: Fix C(PP)FLAGS for BSD build

Issue first found in libosmocore. It seems the BSD build doesn't use
bash which means using += to append to a variable doesn't work
correctly.

Change-Id: I33f6b9de4990de0c4d3a6fc0bd7df632094e79ac
---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 36cbb59..200f55d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,8 +53,8 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
 CFLAGS="$saved_CFLAGS"
 AC_SUBST(SYMBOL_VISIBILITY)
 
-CFLAGS+=" -Wall"
-CPPFLAGS+=" -Wall"
+CFLAGS="$CFLAGS -Wall"
+CPPFLAGS="$CFLAGS -Wall"
 
 AC_OUTPUT(
     libosmo-sigtran.pc
-- 
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