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# $NetBSD: buildlink3.mk,v 1.9 2004/01/05 11:05:45 jlam Exp $

BUILDLINK_DEPTH:=	${BUILDLINK_DEPTH}+
GLU_BUILDLINK3_MK:=	${GLU_BUILDLINK3_MK}+

.include "../../mk/bsd.prefs.mk"

.if !empty(GLU_BUILDLINK3_MK:M+)
MESA_REQD?=		3.4.2

BUILDLINK_PACKAGES+=		glu
BUILDLINK_DEPENDS.glu?=		glu>=${MESA_REQD}
BUILDLINK_PKGSRCDIR.glu?=	../../graphics/glu
.endif	# GLU_BUILDLINK3_MK

BUILDLINK_CHECK_BUILTIN.glu?=	NO

_GL_GLU_H=	${X11BASE}/include/GL/glu.h
_X11_TMPL=	${X11BASE}/lib/X11/config/X11.tmpl

.if !defined(BUILDLINK_IS_BUILTIN.glu)
BUILDLINK_IS_BUILTIN.glu=	NO
.  if exists(${_GL_GLU_H}) && exists(${_X11_TMPL})
BUILDLINK_IS_BUILTIN.glu!=						\
	if ${GREP} -q BuildGLULibrary ${_X11_TMPL}; then		\
		${ECHO} "YES";						\
	else								\
		${ECHO} "NO";						\
	fi
.  endif
MAKEFLAGS+=	BUILDLINK_IS_BUILTIN.glu="${BUILDLINK_IS_BUILTIN.glu}"
.endif

.if !empty(BUILDLINK_CHECK_BUILTIN.glu:M[yY][eE][sS])
BUILDLINK_USE_BUILTIN.glu=	YES
.endif

.if !defined(BUILDLINK_USE_BUILTIN.glu)
.  if !empty(BUILDLINK_IS_BUILTIN.glu:M[nN][oO])
BUILDLINK_USE_BUILTIN.glu=	NO
.  else
#
# Create an appropriate package name for the built-in Mesa/GLU distributed
# with the system.  This package name can be used to check against
# BUILDLINK_DEPENDS.<pkg> to see if we need to install the pkgsrc version
# or if the built-in one is sufficient.
#
.    include "../../graphics/Mesa/version.mk"
_GLU_PKG=	glu-${_MESA_VERSION}
_GLU_DEPENDS=	${BUILDLINK_DEPENDS.glu}
BUILDLINK_USE_BUILTIN.glu!=	\
	if ${PKG_ADMIN} pmatch '${_GLU_DEPENDS}' ${_GLU_PKG}; then \
		${ECHO} "YES";						\
	else								\
		${ECHO} "NO";						\
	fi
.  endif
MAKEFLAGS+=	BUILDLINK_USE_BUILTIN.glu="${BUILDLINK_USE_BUILTIN.glu}"
.endif	# BUILDLINK_USE_BUILTIN.glu

.if !empty(BUILDLINK_USE_BUILTIN.glu:M[nN][oO])
#
# If we depend on the package, depend on the latest version with a library
# major number bump.
#
BUILDLINK_DEPENDS.glu=	glu>=5.0.2nb3
.  if !empty(BUILDLINK_DEPTH:M+)
BUILDLINK_DEPENDS+=	glu
.  endif
.endif

.if !empty(GLU_BUILDLINK3_MK:M+)
.  if !empty(BUILDLINK_USE_BUILTIN.glu:M[yY][eE][sS])
BUILDLINK_PREFIX.glu=	${X11BASE}
.  endif
.endif	# GLU_BUILDLINK3_MK

BUILDLINK_DEPTH:=	${BUILDLINK_DEPTH:S/+$//}