use pkgconfig. enable yasm in ffmpeg.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44867 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/ffmpeg.cfg

 [buildout]
 extends = 
   bzip2.cfg
+  pkgconfig.cfg
   zlib.cfg
 
 parts = 
@@ -19,16 +20,16 @@ recipe = hexagonit.recipe.cmmi
 url = http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.2.tar.bz2
 md5sum = 798a4211221073c1409f26eac4567e8b
 environment = 
-  CPPFLAGS=-I${libogg:location}/include
-  LDFLAGS=-L${libogg:location}/lib -Wl,-rpath -Wl,${libogg:location}/lib
+  PATH=${pkgconfig:location}/bin:%(PATH)s
+  PKG_CONFIG_PATH=${libogg:location}/lib/pkgconfig
 
 [libtheora]
 recipe = hexagonit.recipe.cmmi
 url = http://downloads.xiph.org/releases/theora/libtheora-1.1.1.tar.bz2
 md5sum = 292ab65cedd5021d6b7ddd117e07cd8e
 environment = 
-  CPPFLAGS=-I${libogg:location}/include -I${libvorbis:location}/include
-  LDFLAGS =-L${libogg:location}/lib -L${libvorbis:location}/lib
+  PATH=${pkgconfig:location}/bin:%(PATH)s
+  PKG_CONFIG_PATH=${libogg:location}/lib/pkgconfig:${libvorbis:location}/lib/pkgconfig
 
 [yasm]
 recipe = hexagonit.recipe.cmmi
@@ -60,3 +61,4 @@ configure-options =
 environment = 
   CPPFLAGS=-I${bzip2:location}/include -I${libogg:location}/include -I${libvorbis:location}/include -I${libtheora:location}/include -I${libvpx:location}/include -I${zlib:location}/include
   LDFLAGS=-L${bzip2:location}/lib -Wl,-rpath -Wl,${bzip2:location}/lib -L${libogg:location}/lib -Wl,-rpath -Wl,${libogg:location}/lib -L${libvorbis:location}/lib -Wl,-rpath -Wl,${libvorbis:location}/lib -L${libtheora:location}/lib -Wl,-rpath -Wl,${libtheora:location}/lib -L${libvpx:location}/lib -Wl,-rpath -Wl,${libvpx:location}/lib -L${zlib:location}/lib -Wl,-rpath -Wl,${zlib:location}/lib
+  PATH=${yasm:location}/bin:%(PATH)s