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# Copyright 2013-2020 The Khronos Group Inc.
# SPDX-License-Identifier: Apache-2.0
# Generator scripts and options
# GENOPTS can be e.g. '-noprotect'
PYFILES = genheaders.py reg.py
GENOPTS =
GENHEADERS = ./genheaders.py $(GENOPTS)
# Generate all headers for GL / GLES / WGL / GLX
# Different headers depend on different XML registry files
# The $(GENHEADERS) script has targets for the additional headers
# $(API)/GL/gl.h
# $(API)/GL/glx.h
# $(API)/GL/wgl.h
# but these are experimental and not supported by Khronos. OpenGL
# drivers and SDKs provided by OS vendors and IHVs include their own
# platform-specific versions of these headers, where appropriate.
API = ../api
GLHEADERS = $(API)/GL/glext.h \
$(API)/GL/glcorearb.h \
$(API)/GLES/gl.h \
$(API)/GLES/glext.h \
$(API)/GLES2/gl2.h \
$(API)/GLES2/gl2ext.h \
$(API)/GLES3/gl3.h
GLXHEADERS = $(API)/GL/glxext.h
WGLHEADERS = $(API)/GL/wglext.h \
$(API)/GL/wgl.h
ALLHEADERS = $(GLHEADERS) $(GLXHEADERS) $(WGLHEADERS)
# Generated files to clean up
TEXDIRT = readme.aux readme.idx readme.ilg readme.ind readme.log readme.toc readme.out
PYDIRT = diag.txt dumpReg.txt errwarn.txt reg.pyc
default: $(ALLHEADERS)
$(GLHEADERS): gl.xml $(PYFILES)
$(GENHEADERS) $@
$(GLXHEADERS): glx.xml $(PYFILES)
$(GENHEADERS) $@ -registry glx.xml
$(WGLHEADERS): wgl.xml $(PYFILES)
$(GENHEADERS) $@ -registry wgl.xml
# Generate Relax NG XML schema from Compact schema
registry.rng: registry.rnc
trang registry.rnc registry.rng
# Verify all registry XML files against the schema
validate:
jing -c registry.rnc gl.xml
jing -c registry.rnc glx.xml
jing -c registry.rnc wgl.xml
# Documentation target
readme.pdf: readme.tex
touch readme.ind
pdflatex readme.tex
pdflatex readme.tex
makeindex readme.idx
pdflatex readme.tex
clean:
-rm -f $(PYDIRT) $(TEXDIRT)
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