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# $NetBSD: version.mk,v 1.1 2019/08/30 19:06:34 nia Exp $
#
# This file computes the version number of the Mesa distributed with
# XFree86 and stores it in ${BUILTIN_VERSION.Mesa}.
#
# NOTE: This file should only be used by the Mesa-related builtin.mk files.
#
BUILTIN_FIND_FILES_VAR:= H_MESA
BUILTIN_FIND_FILES.H_MESA= ${X11BASE}/include/GL/gl.h
.include "../../mk/buildlink3/find-files.mk"
.include "../../mk/bsd.fast.prefs.mk"
.if !defined(BUILTIN_VERSION.Mesa) && exists(${H_MESA})
#
# 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.
#
BUILTIN_VERSION.Mesa!= \
${AWK} '/\#define[ ]*GL_VERSION_1_2/ { v = "3.4.2" } \
/\#define[ ]*GL_VERSION_1_3/ { v = "4.0.4" } \
/\#define[ ]*GL_VERSION_1_4/ { v = "5.0" } \
/\#define[ ]*GL_VERSION_1_5/ { v = "6.0" } \
END { printf "%s\n", v }' \
${H_MESA}
.endif
MAKEVARS+= BUILTIN_VERSION.Mesa
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