@@ -235,6 +235,15 @@ enabled_any(){

     done

 }

+check_deps(){

+    for cfg; do

+        eval dep_all="\$${cfg}_deps"

+        eval dep_any="\$${cfg}_deps_any"

+        enabled_all $dep_all || disable $cfg

+        enabled_any $dep_any || disable $cfg

+    done

+}

+

 print_config(){

     pfx=$1

     header=$2

@@ -484,6 +493,45 @@ HAVE_LIST='

     w32threads

 '

+flashsv_decoder_deps="zlib"

+mpeg_xvmc_decoder_deps="xvmc"

+png_decoder_deps="zlib"

+png_encoder_deps="zlib"

+x264_encoder_deps="x264"

+xvid_encoder_deps="xvid"

+zmbv_decoder_deps="zlib"

+zmbv_encoder_deps="zlib"

+

+aac_decoder_deps="libfaad"

+mpeg4aac_decoder_deps="libfaad"

+ac3_decoder_deps="liba52"

+amr_nb_decoder_deps_any="amr_nb amr_nb_fixed"

+amr_nb_encoder_deps_any="amr_nb amr_nb_fixed"

+amr_wb_decoder_deps="amr_wb"

+amr_wb_encoder_deps="amr_wb"

+dts_decoder_deps="libdts"

+faac_encoder_deps="libfaac"

+gsm_decoder_deps="libgsm"

+gsm_encoder_deps="libgsm"

+mp3lame_encoder_deps="libmp3lame"

+oggvorbis_decoder_deps="libvorbis"

+oggvorbis_encoder_deps="libvorbis"

+

+audio_demuxer_deps_any="audio_oss audio_beos"

+audio_muxer_deps_any="audio_oss audio_beos"

+dc1394_demuxer_deps="dc1394"

+dv1394_demuxer_deps="dv1394"

+gxf_muxer_deps="gpl"

+nut_muxer_deps="libnut"

+ogg_muxer_deps="libogg"

+redir_demuxer_deps="network"

+rtp_muxer_deps="network"

+rtsp_demuxer_deps="network"

+sdp_demuxer_deps="network"

+v4l2_demuxer_deps="video4linux2"

+video_gram_device_demuxer_deps_any="video4linux bktr"

+x11_grab_device_demuxer_deps="x11grab"

+

 # set temporary file name

 if test ! -z "$TMPDIR" ; then

     TMPDIR1="${TMPDIR}"

@@ -1985,6 +2033,9 @@ enabled_any $DEMUXER_LIST && enable demuxers

 enabled_any pthreads beosthreads os2threads w32threads && enable threads

+check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \

+    $DEMUXER_LIST $MUXER_LIST

+

 print_config HAVE_   $TMPH config.mak $HAVE_LIST

 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST