From 89f2932baf8f8bd9f5e3de1d903ab70c6315f629 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5ns=20Rullg=C3=A5rd?= <mans@mansr.com>
Date: Mon, 20 Jul 2009 19:00:59 +0000
Subject: [PATCH] configure: make --extra-cflags cumulative again

Originally committed as revision 19471 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 configure | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index b5726d363a..ec0eab8d36 100755
--- a/configure
+++ b/configure
@@ -1002,7 +1002,6 @@ CMDLINE_SET="
     cpu
     cross_prefix
     dep_cc
-    extra_cflags
     extra_version
     host_cc
     host_cflags
@@ -1020,6 +1019,10 @@ CMDLINE_SET="
     target_path
 "
 
+CMDLINE_APPEND="
+    extra_cflags
+"
+
 # code dependency declarations
 
 # architecture extensions
@@ -1401,8 +1404,13 @@ for opt do
     optname="${opt%%=*}"
     optname="${optname#--}"
     optname=$(echo "$optname" | sed 's/-/_/g')
-    is_in $optname $CMDLINE_SET || die_unknown $opt
-    eval $optname='$optval'
+    if is_in $optname $CMDLINE_SET; then
+        eval $optname='$optval'
+    elif is_in $optname $CMDLINE_APPEND; then
+        append $optname "$optval"
+    else
+         die_unknown $opt
+    fi
     ;;
     esac
 done