From 88855b51cdba35c2e7daf8351645d91cf85cb8af Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Sun, 9 Mar 2008 18:29:41 +0000
Subject: [PATCH] Work around gcc stupidity: With -MM gcc outputs just the
 basename of files as target name. This breaks when compiling targets in
 subdirectories, so prepend the subdirectory name to the target name.

Originally committed as revision 12398 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 common.mak | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common.mak b/common.mak
index 780f61e8d09..46cac9f6d84 100644
--- a/common.mak
+++ b/common.mak
@@ -61,8 +61,9 @@ $(SLIBNAME_WITH_MAJOR): $(OBJS)
 ALLHEADERS = $(subst $(LIBSRC)/,,$(wildcard $(LIBSRC)/*.h))
 checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
 
+# gcc stupidly only outputs the basename of targets with -MM
 depend dep: $(SRCS)
-	$(CC) -MM $(CFLAGS) $^ 1>.depend
+	$(CC) -MM $(CFLAGS) $^ | sed 's,[0-9a-z._-]*: \([a-z0-9]*/\).*,\1&,' 1>.depend
 
 clean::
 	rm -f *.o *~ *.a *.lib *.so *.so.* *.dylib *.dll \
-- 
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