# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header:  $

inherit eutils versionator multilib

DESCRIPTION="NETGEN is an automatic 3d tetrahedral mesh generator"
HOMEPAGE="http://www.hpfem.jku.at/netgen/"
SRC_URI="http://downloads.sourceforge.net/netgen-mesher/${P}.tar.gz"

LICENSE="LGPL-2.1"
KEYWORDS="~amd64 ~x86"
IUSE="opencascade jpeg mpi ffmpeg"
SLOT="0"

RDEPEND="dev-tcltk/tix
	dev-lang/tcl
	dev-lang/tk
	=dev-tcltk/togl-1.7
	virtual/opengl
	x11-libs/libXmu
	opencascade? ( sci-libs/opencascade )
	ffmpeg? ( media-video/ffmpeg )
	jpeg? ( media-libs/jpeg )
	mpi? ( sys-cluster/mpich2 ) "
# Note, MPI has not be tested. It might very well be an other MPI implementation

src_unpack() {
	unpack ${A}
}

src_compile() {
	# This is not the most clever way to deal with these flags
	# but --disable-xxx does not seem to work correcly, so...
	local confflags
	use opencascade && elog "opencascade support not yet tested!"
	use opencascade && confflags="${confflags} --enable-occ"
	use mpi && confflags="${confflags} --enable-parallel"
	use ffmpeg && confflags="${confflags} --enable-ffmpeg"
	use jpeg && confflags="${confflags} --enable-jpeglib"

	cd ${WORKDIR}/${PF}
	econf \
		--libdir="/usr/lib" \
		--includedir="/usr/include" \
		--bindir="/usr/bin" \
		--datadir="/usr/share" \
		--docdir="/usr/share/doc" \
		${confflags} \
		|| die "failed to configure"

	emake || die "emake failed"
}

src_install() {

	echo -e "NETGENDIR=/usr/bin \nLD_LIBRARY_PATH=/usr/lib/Togl1.7" > ./99netgen
	doenvd 99netgen

	emake DESTDIR="${D}" install || die "make install failed"

	# Install icon and .desktop for menu entry
	doicon "${FILESDIR}"/icon/${PN}-icon.png
	domenu "${FILESDIR}"/icon/${PN}.desktop
}

pkg_postinst() {
	elog "Please make sure to update your environment variables:"
	elog "env-update && source /etc/profile"
	elog "Netgen ebuild is still under development."
	elog "Help us improve the ebuild in:"
	elog "http://bugs.gentoo.org/show_bug.cgi?id=155424"
}