From 337cee680bf1db3ac75a1ae1c55c51f21e7d27d0 Mon Sep 17 00:00:00 2001
From: Matthieu Castet <castet.matthieu@free.fr>
Date: Sun, 15 Mar 2009 21:32:36 +0000
Subject: Disallow out-of-tree builds with config.h in the source tree. A
 config.h present in the source tree takes precedence over a config.h in the
 build tree, which can possibly result in an incorrect build. patch by
 matthieu castet, castet.matthieu free fr

Originally committed as revision 17994 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 configure | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index 3765da450c..306c75f0ac 100755
--- a/configure
+++ b/configure
@@ -1212,6 +1212,8 @@ else
     source_path="$(cd "$source_path"; pwd)"
     echo "$source_path" | grep -q '[[:blank:]]' &&
         die "Out of tree builds are impossible with whitespace in source path."
+    test -e "$source_path/config.h" &&
+        die "Out of tree builds are impossible with config.h in source dir."
 fi
 
 FFMPEG_CONFIGURATION="$@"
-- 
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