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# $NetBSD: version.mk,v 1.9 2004/04/11 19:26:01 jschauma 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 builtin.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 ${_MESA_GL_VERSIONS}
. if !defined(_MESA_GL_VERSION_${_glvers_})
_MESA_GL_VERSION_${_glvers_}?= no
. if exists(${_GL_GL_H})
_MESA_GL_VERSION_${_glvers_}!= \
if ${EGREP} "\#define[ ]*GL_VERSION_${_glvers_:S/./_/}[ ]*1" ${_GL_GL_H} >/dev/null 2>&1; then \
${ECHO} "yes"; \
else \
${ECHO} "no"; \
fi
. endif
MAKEFLAGS+= _MESA_GL_VERSION_${_glvers_}=${_MESA_GL_VERSION_${_glvers_}}
. 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 !empty(_MESA_GL_VERSION_1.5:M[yY][eE][sS])
_MESA_VERSION?= 6.0
.elif !empty(_MESA_GL_VERSION_1.4:M[yY][eE][sS])
_MESA_VERSION?= 5.0
.elif !empty(_MESA_GL_VERSION_1.3:M[yY][eE][sS])
_MESA_VERSION?= 4.0.4
.elif !empty(_MESA_GL_VERSION_1.2:M[yY][eE][sS])
_MESA_VERSION?= 3.4.2
.else
_MESA_VERSION?= 0
.endif
MESA_REQD?= 3.4.2
# Distill the MESA_REQD list into a single _MESA_REQD value that is the
# highest version of Mesa required.
#
_MESA_STRICTEST_REQD?= none
. for _version_ in ${MESA_REQD}
. for _pkg_ in Mesa-${_version_}
. if ${_MESA_STRICTEST_REQD} == "none"
_MESA_PKG_SATISFIES_DEP= yes
. for _vers_ in ${MESA_REQD}
. if !empty(_MESA_PKG_SATISFIES_DEP:M[yY][eE][sS])
_MESA_PKG_SATISFIES_DEP!= \
if ${PKG_ADMIN} pmatch 'Mesa>=${_vers_}' ${_pkg_}; then \
${ECHO} "yes"; \
else \
${ECHO} "no"; \
fi
. endif
. endfor
. if !empty(_MESA_PKG_SATISFIES_DEP:M[yY][eE][sS])
_MESA_STRICTEST_REQD= ${_version_}
. endif
. endif
. endfor
. endfor
_MESA_REQD= ${_MESA_STRICTEST_REQD}
.endif # MESA_VERSION_MK
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