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# $FreeBSD$
#
# Use OpenGL and related libraries and ports
#
# Feature: gl
# Usage: USES=gl
# USE_GL=egl gbm gl glesv1 glesv2 glew glu glut
#
# USE_GL specifies which GL components to add as dependencies.
# Not specifying USE_GL with USES=gl is an error.
# USE_GL=yes implies USE_GL=glu. This is deprecated
#
# MAINTAINER: x11@FreeBSD.org
.if !defined(_INCLUDE_USES_GL_MK)
_INCLUDE_USES_GL_MK=yes
_GL_egl_LIB_DEPENDS= libEGL.so:graphics/mesa-libs
_GL_gbm_LIB_DEPENDS= libgbm.so:graphics/mesa-libs
_GL_gl_LIB_DEPENDS= libGL.so:graphics/mesa-libs
_GL_gl_USE_XORG= xorgproto
_GL_glesv1_LIB_DEPENDS= libGLESv1_CM.so:graphics/mesa-libs
_GL_glesv2_LIB_DEPENDS= libGLESv2.so:graphics/mesa-libs
_GL_glew_LIB_DEPENDS= libGLEW.so:graphics/glew
_GL_glu_LIB_DEPENDS= libGLU.so:graphics/libGLU
_GL_glu_USE_XORG= xorgproto
_GL_glut_LIB_DEPENDS= libglut.so:graphics/freeglut
.if !empty(gl_ARGS)
IGNORE= USES=gl takes no arguments
.endif
.if !defined(USE_GL)
IGNORE= need to specify gl component with USE_GL
.elif ${USE_GL:tl} == yes
DEV_WARNING+= "USE_GL=yes is deprecated, please add USE_GL=glu (default) or specify component"
USE_GL= glu
.endif
.for _component in ${USE_GL}
.if !defined(_GL_${_component}_LIB_DEPENDS)
IGNORE= uses unknown GL component
.else
USE_XORG+= ${_GL_${_component}_USE_XORG}
LIB_DEPENDS+= ${_GL_${_component}_LIB_DEPENDS}
.endif
.endfor
# We only need to include xorg.mk if we want USE_XORG modules
# USES+=xorg does not provide any functionality, it just silences an error
# message about USES=xorg not being set
.if defined(USE_XORG) && !empty(USE_XORG)
USES+= xorg
.include "${USESDIR}/xorg.mk"
.endif
# _INCLUDE_USES_GL_MK
.endif
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