The USE_SDL variable is used to
autoconfigure the dependencies for ports which use an SDL
based library like
devel/sdl12 and x11-toolkits/sdl_gui.
The following SDL libraries are recognized at the moment:
sdl: devel/sdl12
gfx: graphics/sdl_gfx
gui: x11-toolkits/sdl_gui
image: graphics/sdl_image
ldbad: devel/sdl_ldbad
mixer: audio/sdl_mixer
mm: devel/sdlmm
net: net/sdl_net
sound: audio/sdl_sound
ttf: graphics/sdl_ttf
Therefore, if a port has a dependency on
net/sdl_net and
audio/sdl_mixer,
the syntax will be:
The dependency
devel/sdl12, which is
required by net/sdl_net
and audio/sdl_mixer, is
automatically added as well.
If you use USE_SDL, it will
automatically:
Add a dependency on
sdl12-config to
BUILD_DEPENDS
Add the variable SDL_CONFIG to
CONFIGURE_ENV
Add the dependencies of the selected libraries to the
LIB_DEPENDS
To check whether an SDL library is available, you can do
it with the WANT_SDL variable:
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