depends  curl            &&
depends  expat           &&
depends  gettext         &&
depends  libebml         &&
depends  libmatroska     &&
depends  libogg          &&
depends  libvorbis       &&
depends  zlib            &&
depends  -sub REGEX      boost "--with-boost-libdir=${INSTALL_ROOT}/usr/lib" &&
depends  -sub FILESYSTEM boost &&
depends  -sub SYSTEM     boost &&

optional_depends  WXWIDGET                           \
                  '--enable-gui --enable-wxwidgets'  \
                  '--disable-wxwidgets'              \
                  "for wxWidgets mkvinfo and mmg gui"  &&
optional_depends  QT                          \
                  '--enable-gui --enable-qt'  \
                  '--disable-qt'              \
                  "for Qt mkvinfo and mmg gui"  &&
optional_depends  flac  \
                  ""    \
                  ""    \
                  "for FLAC support"  &&
optional_depends  lzo              \
                  '--enable-lzo'   \
                  '--disable-lzo'  \
                  'for LZO compression'  &&
optional_depends  bzip2            \
                  '--enable-bz2'   \
                  '--disable-bz2'  \
                  'for BZ2 compression'  &&
optional_depends  file  \
                  ""    \
                  ""    \
                  'for automatic content type detection'