* configure.ac:

    + Bail out if libavcodec.a wasn't built with --enable-pp.

configure.ac

 dnl Autoconf settings for vlc
-dnl $Id: configure.ac,v 1.157 2004/01/26 04:51:09 rocky Exp $
+dnl $Id: configure.ac,v 1.158 2004/01/26 10:32:33 sam Exp $
 
 AC_INIT(vlc,0.7.1-cvs)
 
@@ -1820,7 +1820,16 @@ then
       AC_MSG_RESULT(no)
       AC_MSG_ERROR([cannot cd to ${with_ffmpeg_tree}])
     fi
-    if test -f "${real_ffmpeg_tree}/libavcodec/libavcodec.a"; then
+    if ! test -f "${real_ffmpeg_tree}/libavcodec/libavcodec.a"; then
+      dnl  The given libavcodec wasn't built
+      AC_MSG_RESULT(no)
+      AC_MSG_ERROR([cannot find ${real_ffmpeg_tree}/libavcodec/libavcodec.a, make sure you compiled libavcodec in ${with_ffmpeg_tree}])
+    fi
+    if ! grep -q "pp_get_context" "${real_ffmpeg_tree}/libavcodec/libavcodec.a"; then
+      dnl  The given libavcodec wasn't built with --enable-pp
+      AC_MSG_RESULT(no)
+      AC_MSG_ERROR([${real_ffmpeg_tree}/libavcodec/libavcodec.a was not compiled with postprocessing support, make sure you configured ffmpeg with --enable-pp])
+    fi
     dnl  Use a custom libffmpeg
     AC_MSG_RESULT(${real_ffmpeg_tree}/libavcodec/libavcodec.a)
     AX_ADD_BUILTINS([ffmpeg stream_out_transcode])
@@ -1828,8 +1837,7 @@ then
     AX_ADD_CPPFLAGS([ffmpeg],[-I${real_ffmpeg_tree}/libavcodec])
 
     if test -f "${real_ffmpeg_tree}/libavformat/libavformat.a"; then
-        AC_DEFINE(HAVE_LIBAVFORMAT, 1,
-        [Define if you have ffmpeg's libavformat.])
+      AC_DEFINE(HAVE_LIBAVFORMAT, 1, [Define if you have ffmpeg's libavformat.])
       AX_ADD_LDFLAGS([ffmpeg],[-L${real_ffmpeg_tree}/libavformat -lavformat -lz])
       AX_ADD_CPPFLAGS([ffmpeg],[-I${real_ffmpeg_tree}/libavformat])
     fi
@@ -1838,11 +1846,6 @@ then
     dnl       linker would miserably barf on multiple definitions.
     AX_ADD_LDFLAGS([stream_out_transcode],[-L${real_ffmpeg_tree}/libavcodec])
     AX_ADD_CPPFLAGS([stream_out_transcode],[-I${real_ffmpeg_tree}/libavcodec])
-    else
-      dnl  The given libavcodec wasn't built
-      AC_MSG_RESULT(no)
-      AC_MSG_ERROR([cannot find ${real_ffmpeg_tree}/libavcodec/libavcodec.a, make sure you compiled libavcodec in ${with_ffmpeg_tree}])
-    fi
   fi
 fi