configure

        echo "config.h is unchanged"
fi

rm -f $TMPO $TMPC $TMPE $TMPS $TMPH

# build tree in object directory if source path is different from current one
if test "$source_path_used" = "yes" ; then
    DIRS="\
         doc \
         libavformat \
         libavcodec \
         libavcodec/alpha \
         libavcodec/armv4l \
         libavcodec/bfin \
         libavcodec/i386 \
         libavcodec/sparc \
         libavcodec/mlib \
         libavcodec/ppc \
         libavcodec/liba52 \
         libpostproc \
         libavutil \
         libswscale \
         tests \
         vhook \
         "
    FILES="\
          Makefile \
          common.mak \
          libavformat/Makefile \
          libavcodec/Makefile \
          libpostproc/Makefile \
          libavutil/Makefile \
          libswscale/Makefile \
          tests/Makefile \
          vhook/Makefile \
          doc/Makefile \
          doc/texi2pod.pl \
          "
    for dir in $DIRS ; do
            mkdir -p $dir
    done
    for f in $FILES ; do
        ln -sf "$source_path/$f" $f
    done
fi


# build pkg-config files

pkgconfig_generate(){
name=$1
comment=$2
version=$3
libs=$4
requires=$5
include=$6
cat <<EOF >$name.pc
prefix=$PREFIX
exec_prefix=\${prefix}
libdir=\${exec_prefix}/lib
includedir=\${prefix}/include

Name: $name
Description: $comment
Version: $version
Requires: $requires
Conflicts:
Libs: -L\${libdir} $libs
Cflags: -I\${includedir} -I\${includedir}/$include
EOF
}

pkgconfig_generate_uninstalled(){
name=$1
shortname=${name#lib}
comment=$2
version=$3
libs=$4
requires=$5
cat <<EOF >$name-uninstalled.pc
prefix=
exec_prefix=
libdir=\${pcfiledir}/$name
includedir=\${pcfiledir}/$name

Name: $name
Description: $comment
Version: $version
Requires: $requires
Conflicts:
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
Cflags: -I\${includedir}
EOF
}

pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil ffmpeg
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"

pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"

pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"

pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"

if test "$swscaler" != "no"; then
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "-lswscale" "$pkg_requires libavutil = $lavu_version" swscale
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavutil = $lavu_version"
else
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" swscale
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
fi