# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1493149606 -7200
# Node ID 69f8b22b04726211b90f8a1cdaeb2e7f431e2b50
# Parent  3e443d6791e677be1ac09d1e84418e49eed17a7d
configure: --add-cflags to amend $CFLAGS without replacing existing value(s) #858

diff -r 3e443d6791e6 -r 69f8b22b0472 configure
--- a/configure	Tue Apr 25 01:35:13 2017 +0200
+++ b/configure	Tue Apr 25 21:46:46 2017 +0200
@@ -297,6 +297,9 @@
    --cflags)
       CFLAGS="$value"
       ;;
+   --add-cflags)
+      CFLAGS="$CFLAGS $value"
+      ;;
    --ldflags)
       LDFLAGS="$value"
       ;;