scummvm/backends/sdl/build.rules

# Build settings for the SDL backend
MODULES  += backends/sdl
DEFINES  += -DUNIX
INCLUDES += `sdl-config --cflags`
LIBS     += `sdl-config --libs`
OBJS	 += backends/sdl/sdl-common.o 

# The normal (non OpenGL-accelerated) SDL backend
OBJS	 += backends/sdl/sdl.o 

# Uncomment these lines (instead of the above) to use SDL with OpenGL
# OBJS	   += backends/sdl/sdl_gl.o
# LIBS     += -lGL

# Uncomment this in addition to the above if you compile on Mac OS X
# DEFINES += -DMACOSX
# LIBS	+= -framework QuickTime -framework AudioUnit