Create swscale subdirs for out-of-tree builds.

Originally committed as revision 18191 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/configure b/configure
index c2a7be3..dcf159b 100755 (executable)
--- a/configure
+++ b/configure
@@ -2507,6 +2507,11 @@ if enabled source_path_used; then
         libavutil         \
         libpostproc       \
         libswscale        \
+        libswscale/bfin   \
+        libswscale/mlib   \
+        libswscale/ppc    \
+        libswscale/sparc  \
+        libswscale/x86    \
         tests             \
         tools             \
         "