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

inherit flag-o-matic

DESCRIPTION="research tool for polyhedral geometry"
SRC_URI="http://www.math.tu-berlin.de/polymake/download/polymake-2.3.tar.bz2"

HOMEPAGE="http://www.math.tu-berlin.de/polymake"

SLOT="0"
LICENSE="GPL-2"
KEYWORDS="~x86 ~amd64"

DEPEND="dev-libs/gmp"

src_compile(){
	# The first configure prepares perl stuff and 
	# does not accept the answerfile
	touch answers || die "Cannot touch file for answers"
	emake configure < answers

	# Preparing answers for configuration 
	echo "/usr/polymake" >> answers
	echo "/usr/bin" >> answers
	echo "/usr/share/doc/${PF}" >> answers
	echo "g++" >> answers 
	echo "gcc" >> answers 
	# The -O needs to be specified explicitly
	echo `get-flag -O` >> answers 
	echo $CXXFLAGS >> answers
	echo $CFLAGS >> answers
	echo $LDFLAGS >> answers 
	echo "none" >> answers 
	echo "none" >> answers 
	emake configure < answers
	rm answers

	einfo "During compile this package uses up to"
	einfo "300MB of RAM per process. Use MAKEOPTS=\"-j1\" if"
	einfo "you run into trouble."

	emake || die "emake failed"
}

src_install(){
	emake DESTDIR="${D}" install || die "install failed"
}

pkg_postinst(){
	elog "Polymake uses precompiled Perl Modules"
	elog "If something does not work after an upgrade of Perl re-emerge"
}