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# $NetBSD: version.mk,v 1.7 2004/01/23 19:37:18 jlam Exp $
#
# This file computes the version number of the Mesa distributed with
# XFree86 and stores it in ${_MESA_VERSION}.
#
# NOTE: This file should only be used by the Mesa-related buildlink*.mk
# files.
#
.if !defined(MESA_VERSION_MK)
MESA_VERSION_MK= # defined
.include "../../mk/bsd.prefs.mk"
_GL_GL_H= ${X11BASE}/include/GL/gl.h
_MESA_GL_VERSIONS= 1.2 1.3 1.4 1.5
.for _glvers_ in ${_MESA_GL_VERSIONS}
. if !exists(${_GL_GL_H})
_MESA_GL_VERSION_${_glvers_}= NO
. else
_MESA_GL_VERSION_${_glvers_}!= \
if ${EGREP} -q "\#define[ ]*GL_VERSION_${_glvers_:S/./_/}[ ]*1" ${_GL_GL_H}; then \
${ECHO} YES; \
else \
${ECHO} NO; \
fi
. endif
.endfor
#
# According to the Mesa documentation, for stable releases:
#
# Mesa-6.0 implements OpenGL 1.5,
# Mesa-5.0 implements OpenGL 1.4,
# Mesa-4.0.4 implements OpenGL 1.3,
# Mesa-3.4.2 implements OpenGL 1.2.
#
.if ${_MESA_GL_VERSION_1.5} == "YES"
_MESA_VERSION?= 6.0
.elif ${_MESA_GL_VERSION_1.4} == "YES"
_MESA_VERSION?= 5.0
.elif ${_MESA_GL_VERSION_1.3} == "YES"
_MESA_VERSION?= 4.0.4
.elif ${_MESA_GL_VERSION_1.2} == "YES"
_MESA_VERSION?= 3.4.2
.else
_MESA_VERSION?= 0
.endif
.endif # MESA_VERSION_MK
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