* yet another patch for ffmpeg: its configure script doesn't recognise that...

* yet another patch for ffmpeg: its configure script doesn't recognise that (at least on OSX) variables' names are case-sensitive

extras/contrib/src/Makefile

@@ -893,6 +893,7 @@ DISTCLEAN_PKG += libmatroska-$(LIBMATROSKA_VERSION).tar.bz2
 
 ffmpeg:
 	$(SVN) co $(FFMPEG_SVN)  ffmpeg
+	patch -p 0 < Patches/ffmpeg-configure.patch
 ifeq ($(HOST),i586-pc-beos)
 	(cd $@; patch -p 0 < ../Patches/ffmpeg-svn-beos.patch)
 endif

extras/contrib/src/Patches/ffmpeg-configure.patch

+Index: ffmpeg/configure
+===================================================================
+--- ffmpeg/configure	(revision 5790)
++++ ffmpeg/configure	(working copy)
+@@ -2124,7 +2124,7 @@
+ # build pkg-config files libav*.pc and libpostproc.pc
+ # libavutil.pc
+ cat <<EOF >libavutil.pc
+-prefix=$PREFIX
++PREFIX=$PREFIX
+ exec_prefix=\${PREFIX}
+ libdir=\${exec_prefix}/lib
+ includedir=\${PREFIX}/include
+@@ -2139,7 +2139,7 @@
+ EOF
+ 
+ cat <<EOF >libavutil-uninstalled.pc
+-prefix=
++PREFIX=
+ exec_prefix=
+ libdir=\${pcfiledir}/libavutil
+ includedir=\${pcfiledir}/libavutil
+@@ -2155,7 +2155,7 @@
+ 
+ # libavcodec.pc
+ cat <<EOF >libavcodec.pc
+-prefix=$PREFIX
++PREFIX=$PREFIX
+ exec_prefix=\${PREFIX}
+ libdir=\${exec_prefix}/lib
+ includedir=\${PREFIX}/include
+@@ -2170,7 +2170,7 @@
+ EOF
+ 
+ cat <<EOF >libavcodec-uninstalled.pc
+-prefix=
++PREFIX=
+ exec_prefix=
+ libdir=\${pcfiledir}/libavcodec
+ includedir=\${pcfiledir}/libavcodec
+@@ -2186,7 +2186,7 @@
+ 
+ # libavformat.pc
+ cat <<EOF >libavformat.pc
+-prefix=$PREFIX
++PREFIX=$PREFIX
+ exec_prefix=\${PREFIX}
+ libdir=\${exec_prefix}/lib
+ includedir=\${PREFIX}/include
+@@ -2201,7 +2201,7 @@
+ EOF
+ 
+ cat <<EOF >libavformat-uninstalled.pc
+-prefix=
++PREFIX=
+ exec_prefix=
+ libdir=\${pcfiledir}/libavformat
+ includedir=\${pcfiledir}/libavformat
+@@ -2218,7 +2218,7 @@
+ 
+ # libpostproc.pc
+ cat <<EOF >libpostproc.pc
+-prefix=$PREFIX
++PREFIX=$PREFIX
+ exec_prefix=\${PREFIX}
+ libdir=\${exec_prefix}/lib
+ includedir=\${PREFIX}/include
+@@ -2233,7 +2233,7 @@
+ EOF
+ 
+ cat <<EOF >libpostproc-uninstalled.pc
+-prefix=
++PREFIX=
+ exec_prefix=
+ libdir=\${pcfiledir}/libpostproc
+ includedir=\${pcfiledir}/libpostproc