optional_depends  nasm                                                                       \
                  ""                                                                         \
                  "--disable-nasm"                                                           \
                  "Enable assembly language optimizations"                                   &&
optional_depends  alsa-lib                                                                   \
                  ""                                                                         \
                  "--disable-alsa"                                                           \
                  "Enable alsa sound support"                                                &&
optional_depends  libmpeg2                                                                   \
                  ""                                                                         \
                  "--disable-mpeg2"                                                          \
                  "Enable mpeg2 decoding - for example Broken Sword needs it for cutscenes"  &&
optional_depends  libvorbis                                                                  \
                  ""                                                                         \
                  "--disable-vorbis"                                                         \
                  "Enable Vorbis audio support - also needed by some games for cutscenes"    &&
optional_depends  libmad                                                                     \
                  ""                                                                         \
                  "--disable-mad"                                                            \
                  "Enable MAD mpeg audio support - for storing game cd-audio to mp3 file"    &&
optional_depends  flac                                                                       \
                  ""                                                                         \
                  "--disable-flac"                                                           \
                  "Enable FLAC audio decoding - for storing game cd-audio to flac file"      &&
depends  zlib                                                                                &&
depends  -sub CXX gcc                                                                        &&
depends  X11-LIBS                                                                            &&
if [[ "$SCUMMVM_BACKEND" == "sdl" ]]
then
depends sdl
fi                                                                                           &&
if [[  "$SCUMMVM_CVS"  ==  "y" ]]
then
depends  CVS
fi
