Index: opencv-1.0.0/configure.in
===================================================================
--- opencv-1.0.0.orig/configure.in	2006-11-14 10:11:29.000000000 +0100
+++ opencv-1.0.0/configure.in	2006-11-14 10:12:30.000000000 +0100
@@ -435,18 +435,11 @@
     fi
     if test x"$with_ffmpeg" = "xyes"; then
         AC_CHECK_HEADER(ffmpeg/avcodec.h,
-                        AC_CHECK_LIB(avcodec, avcodec_decode_video,
-                                     [
-                                       AC_CHECK_LIB(avformat, av_open_input_file,
                                                     [
                                                       have_ffmpeg=yes
                                                       AC_DEFINE(HAVE_FFMPEG,,[FFMpeg video library])
-                                                      FFMPEGLIBS="-lavcodec -lavformat"
+                                                      FFMPEGLIBS="`pkg-config --libs libavcodec libavformat`"
                                                     ],
-                                                    [ have_ffmpeg=no ],
-                                                    [-lavcodec])
-                                     ],
-                                     [ have_ffmpeg=no ]),
                         [ have_ffmpeg=no ])
     else
         # if we get here then --with-ffmpeg was not called with 'yes','no' or 'auto'