# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI="2"

inherit cmake-utils

DESCRIPTION="OpenSG is a portable scenegraph system to create realtime graphics programs, e.g. for virtual reality applications."
HOMEPAGE="http://www.opensg.org/"

SRC_URI="http://vision.ee.ethz.ch/sihaegle/gentoo/${P}.tar.bz2"
LICENSE="LGPL-2.1"

SLOT="2"
KEYWORDS="~x86 ~amd64"

IUSE="tests doc examples"
DEPEND="virtual/opengl
	media-libs/freeglut
	media-libs/glew
	
	sys-devel/flex
	sys-devel/bison

	dev-libs/boost
	sys-libs/zlib
	media-libs/freetype
	media-libs/tiff
	media-libs/libpng
	media-libs/jpeg
	media-libs/openexr
	sci-libs/gdal

	x11-libs/qt-gui:4
	x11-libs/qt-opengl:4

	sci-libs/vtk

	doc? ( app-doc/doxygen )
"
RDEPEND="${DEPEND}"

EPATCH_OPTS="-p1"
PATCHES=(
    "${FILESDIR}/${P}-fix-gdal-png.patch"
)

src_configure() {
	mycmakeargs=(
		-DOSG_USE_OSGSUPPORT_LIBS=OFF
		-DBOOST_ROOT=/usr
		-DOSG_DOXY_DOC_TYPE=User
		-DOSGBUILD_EXAMPLES_SIMPLE=ON
		-DOSGBUILD_EXAMPLES_ADVANCED=ON
		-DCOLLADA_ROOT_DIR=/opt/collada-dom
	)
	cmake-utils_src_configure
}

src_compile() {
	cmake-utils_src_compile
	if use doc; then
		cd "${CMAKE_BUILD_DIR}"
		emake Doc || die "building documentation failed"
	fi
}

src_install() {
	cmake-utils_src_install
	if use doc; then
		cd "${CMAKE_BUILD_DIR}"/Doc
		dohtml -r html/* || die "dohtml failed"
	fi
	if use examples; then
		cd "${CMAKE_BUILD_DIR}"/demos
		dobin mandelbrot/mandelbrot opengl/quaternion_demo || die "dobin failed"
	fi
}