depends  OPENGL  &&
depends  libx11  &&
depends  libxext  &&
depends  libsm  &&
depends  libice  &&

optional_depends  spidermonkey  "--enable-javascript-api" \
                  "--disable-javascript-api" \
                  "for JavaScript capabilities"  &&
optional_depends  simage  ""  "--disable-dl-simage" \
                  "use rutime dynamic linking for libsimage"  &&
optional_depends  openal  ""  "--disable-dl-openal"  ""  &&
optional_depends  fontconfig  ""  "--disable-dl-fontconfig"  ""  &&
optional_depends  freetype2  ""  "--disable-dl-freetype"  ""  &&
optional_depends  zlib  ""  "--disable-dl-zlib"  ""  &&
optional_depends  bzip2  ""  "--disable-dl-libbzip2"  ""  &&
optional_depends  expat  "--enable-system-expat"  ""