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

inherit debug eutils toolchain-funcs

MY_PN=OpenSceneGraph
MY_P=${MY_PN}-${PV}

DESCRIPTION="Cross-platform, high performance 3D graphics toolkit"
HOMEPAGE="http://www.openscenegraph.org/"
SRC_URI="http://www.openscenegraph.com/svn/osg/OpenSceneGraph/developer_releases/${MY_P}/${MY_P}.tar.gz
	examples? ( http://www.openscenegraph.org/downloads/data/${MY_PN}-Data-1.1.zip )"

LICENSE="OSGPL free-noncomm"
SLOT="0"
KEYWORDS="~x86 amd64"
IUSE="coin debug doc examples gdal gif glut introspection inventor jasper
jpeg png tiff truetype xine"

RDEPEND="virtual/opengl
	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 )
	>=dev-util/cmake-2.4.5"

S="${WORKDIR}/OpenSceneGraph"

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

#	sed -i "s:OPTF *= .*:OPTF = \"${CXXFLAGS}\":" Make/makedefs \
#		|| die "sed (CXXFLAGS) failed"

#	sed -i 's/-lungif/-lgif/' Make/makedefs \
#		|| die "sed (lgif) failed"
}

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

		cat "${T}"/myconf

	export OSG_DEPENDENCIES="${T}"/myconf
	cmake -DCMAKE_INSTALL_PREFIX=/usr \
	        -DCMAKE_C_COMPILER=$(type -p $(tc-getCC)) \
			-DCMAKE_CXX_COMPILER=$(type -p $(tc-getCXX)) || die "cmake failed"
	emake $(use debug && echo debug) || 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"

	make DESTDIR=${D} install || 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}
}