configure

fi

sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`



if enabled shared; then
  echo "BUILD_SHARED=yes" >> config.mak
  echo "PIC=-fPIC -DPIC" >> config.mak
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
  echo "SPPVERSION=$pp_version" >> config.mak
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
  echo "LAVCVERSION=$lavc_version" >> config.mak
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
  echo "LAVFVERSION=$lavf_version" >> config.mak
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
  echo "LAVUVERSION=$lavu_version" >> config.mak
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
  echo "SWSVERSION=$sws_version" >> config.mak
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
fi
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
echo "EXTRALIBS=$extralibs" >> config.mak

print_config_enable ARCH_   $TMPH config.mak $ARCH_LIST
print_config_enable HAVE_   $TMPH config.mak $HAVE_LIST
print_config_enable CONFIG_ $TMPH config.mak $CONFIG_LIST   \
                                             $DECODER_LIST  \
                                             $ENCODER_LIST  \
                                             $PARSER_LIST   \
                                             $BSF_LIST      \
                                             $DEMUXER_LIST  \
                                             $MUXER_LIST    \
                                             $PROTOCOL_LIST \

if test "$targetos" = darwin; then
  echo "#define CONFIG_DARWIN 1"  >> $TMPH
fi

echo "#define restrict $_restrict" >> $TMPH

if test "$optimize" = "small"; then
  echo "#define always_inline"  >> $TMPH
  echo "#define CONFIG_SMALL 1" >> $TMPH
fi

echo "SRC_PATH=\"$source_path\"" >> config.mak
echo "SRC_PATH_BARE=$source_path" >> config.mak
echo "BUILD_ROOT=\"$PWD\"" >> config.mak

# Apparently it's not possible to portably echo a backslash.
if enabled asmalign_pot; then
  printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
else
  printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
fi


# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
if ! cmp -s $TMPH config.h; then
        mv -f $TMPH config.h
else
        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 enabled source_path_used; then
    DIRS="\
         doc \
         libavformat \
         libavcodec \
         libavcodec/alpha \
         libavcodec/armv4l \
         libavcodec/bfin \
         libavcodec/i386 \
         libavcodec/sparc \
         libavcodec/mlib \
         libavcodec/ppc \
         libpostproc \
         libavutil \
         libswscale \
         tests \
         vhook \
         "
    FILES="\
          Makefile \
          common.mak \
          libavformat/Makefile \
          libavcodec/Makefile \
          libpostproc/Makefile \
          libavutil/Makefile \
          libswscale/Makefile \
          tests/Makefile \
          vhook/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
# FIXME: libdir and includedir are hardcoded and may differ from the real path.

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"

if enabled pp; then
  pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
  pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
fi

if enabled swscaler; then
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
else
  pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
  pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
  apply libswscale.pc sed s/^Libs:.*$/Libs:/
  apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
fi