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# $NetBSD: jpeg.buildlink3.mk,v 1.1 2010/12/19 11:22:59 dsainty Exp $
#
# This Makefile fragment is meant to be included by packages that
# require a libjpeg implementation. jpeg.buildlink3.mk will:
#
# * set JPEGBASE to the base directory of the libjpeg files;
# * set JPEG_TYPE to the libjpeg implementation used.
#
# There are three variables that can be used to tweak the selection of
# the libjpeg implementation:
#
# JPEG_DEFAULT is a user-settable variable whose value is the default
# libjpeg implementation to use.
#
# JPEG_ACCEPTED is a package-settable list of libjpeg implementations
# that may be used by the package.
#
MK_JPEG_BUILDLINK3_MK:= ${MK_JPEG_BUILDLINK3_MK}+
.include "bsd.fast.prefs.mk"
.if !empty(MK_JPEG_BUILDLINK3_MK:M+)
# This is an exhaustive list of all of the libjpeg implementations
# that may be used with jpeg.buildlink3.mk, in order of precedence.
#
_JPEG_PKGS?= jpeg libjpeg-turbo
JPEG_DEFAULT?= jpeg
JPEG_ACCEPTED?= ${_JPEG_PKGS}
_JPEG_DEFAULT= ${JPEG_DEFAULT}
_JPEG_ACCEPTED= ${JPEG_ACCEPTED}
_JPEG_TYPE?= ${_JPEG_DEFAULT}
. if !empty(_JPEG_ACCEPTED:M${_JPEG_TYPE})
JPEG_TYPE= ${_JPEG_TYPE}
. else
JPEG_TYPE= none
. endif
BUILD_DEFS+= JPEG_DEFAULT
BUILD_DEFS_EFFECTS+= JPEGBASE JPEG_TYPE
.if ${JPEG_TYPE} == "none"
PKG_FAIL_REASON= \
"${_JPEG_TYPE} is not an acceptable libjpeg type for ${PKGNAME}."
.elif ${JPEG_TYPE} == "jpeg"
. include "../../graphics/jpeg/buildlink3.mk"
.elif ${JPEG_TYPE} == "libjpeg-turbo"
. include "../../graphics/libjpeg-turbo/buildlink3.mk"
.endif
JPEGBASE= ${BUILDLINK_PREFIX.${JPEG_TYPE}}
.endif # MK_JPEG_BUILDLINK3_MK
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