# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils fixheadtails multilib toolchain-funcs

MY_PN=OpenSceneGraph
OSG_V=1.2
DESCRIPTION="Cross-platform, high performance 3D graphics toolkit"
HOMEPAGE="http://www.openscenegraph.org/"
SRC_URI="http://www.openscenegraph.org/downloads/snapshots/OSG_OP_OT-${OSG_V}.zip
	examples? ( http://www.openscenegraph.org/downloads/data/${MY_PN}-Data-1.1.zip )"

SLOT="0"
LICENSE="OSGPL"
KEYWORDS="x86"
IUSE="coin doc examples gdal gif glut introspection inventor jasper
jpeg png tiff truetype xine"

RDEPEND="virtual/opengl
		 >=dev-libs/openproducer-1.1.0
		 coin? ( media-libs/coin )
		 gdal? ( sci-libs/gdal )
		 gif? ( media-libs/giflib )
		 glut? ( virtual/glut )
		 inventor? ( media-libs/openinventor )
		 jasper? ( media-libs/jasper )
		 jpeg? ( media-libs/jpeg )
		 png? ( media-libs/libpng
		 	  	sys-libs/zlib )
		 tiff? ( media-libs/tiff )
		 truetype? ( media-libs/freetype )
		 xine? ( media-libs/xine-lib )
		 "

DEPEND="${REDEPEND}
		doc? ( app-doc/doxygen )
		examples? ( app-arch/unzip )
		"

S=${WORKDIR}/OSG_OP_OT-${OSG_V}/${MY_PN}

src_unpack() {
	unpack ${A}
	cd "${S}"

	epatch "${FILESDIR}"/${P}-build.patch
}

src_compile() {
	# Compilation options in the form of
	# 	OPTION ?= yes/no
	# are read from the file
	#	${OSG_DEPENDENCIES}

	function myconf {
		echo "${1} ?= $(use ${flag} && echo yes || echo no)" >> "${T}/myconf"
	}

		for flag in ${IUSE} ; do

			case ${flag} in
				coin)
					myconf COIN_INSTALLED
					;;
				examples)
					myconf COMPILE_EXAMPLES
					;;
				gdal)
					myconf GDAL_INSTALLED
					;;
				gif)
					myconf LIBUNGIF_INSTALLED
					;;
				glut)
					myconf GLUT_INSTALLED
					;;
				introspection)
					myconf COMPILE_INTROSPECTION
					;;
				inventor)
					myconf INVENTOR_INSTALLED
					;;
				jasper)
					myconf JASPER_INSTALLED
					;;
				jpeg)
					myconf LIBJPEG_INSTALLED
					;;
				png)
					myconf LIBPNG_INSTALLED
					;;
				tiff)
					myconf LIBTIFF_INSTALLED
					;;
				truetype)
					myconf FREETYPE_INSTALLED
					;;
				xine)
					myconf XINE_INSTALLED
					;;
			esac

		done

		# SGI OpenGL Performer
		echo "PERFORMER_INSTALLED ?= no" >> "${T}"/myconf

		# Mac OS X Only
		echo "QUICKTIME_INSTALLED ?= no" >> "${T}"/myconf

		# Not worth making optional
		echo "PRODUCER_INSTALLED ?= yes" >> "${T}"/myconf

		cat "${T}"/myconf

	export OSG_DEPENDENCIES="${T}"/myconf
	emake CXX=$(tc-getCXX) || die "emake failed"

	if use doc ; then
		export OSGHOME="${S}"
		doxygen doc/Doxyfiles/all_Doxyfile
	fi
}

src_install() {
	make install \
		INST_LOCATION="${D}"/usr \
		INST_EXAMPLES="${D}"/usr/bin \
		|| die "make install failed"

	if use doc ; then
		dodoc doc/ProgrammingGuide/ProgrammingGuide.odt
		dohtml -r doc/doxygen/html
	fi

	dodoc AUTHORS.txt ChangeLog NEWS.txt README.txt

	insinto /usr/$(get_libdir)/pkgconfig
	doins Make/${PN}.pc

	if use examples ; then
		cp -r "${WORKDIR}"/${MY_PN}-Data \
			"${D}"/usr/share/${PN}

		echo OSG_FILE_PATH=/usr/share/${PN} \
			> "${T}"/99${PN}
		doenvd "${T}"/99${PN} || die "doenvd failed"
	fi

	rm -rf "${D}"/usr/share/${MY_PN}
}