# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

DESCRIPTION="Core routines for gravitational-wave data analysis with LIGO and Virgo"
HOMEPAGE="https://wiki.ligo.org/Computing/LALSuite"
SRC_URI="https://software.igwn.org/sources/source/lalsuite/${P}.tar.xz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="doc -fast-gsl +fast-install -fftw3-memalign -intelfft +pthread-lock python static-libs +swig +swig-iface -swig-octave -swig-python"  # +macros

RDEPEND="sci-libs/gsl
		 sci-libs/fftw
		 sci-libs/hdf5
		 sci-libs/ldas-tools-framecpp
		 >=sci-libs/metaio-8.0
		 python? ( dev-lang/python:* )
		 swig-octave? ( sci-mathematics/octave )
		 swig-python? ( dev-lang/python:* )
"
#		sci-libs/libframe
DEPEND="${RDEPEND}
		doc? ( app-doc/doxygen )
		swig? ( dev-lang/swig )
		swig-iface? ( dev-lang/swig )
		swig-octave? ( dev-lang/swig )
		swig-python? ( dev-lang/swig )
		"

src_configure() {
	econf \
		$(use_enable doc doxygen) \
		$(use_enable fast-gsl) \
		$(use_enable fast-install) \
		$(use_enable fftw3-memalign) \
		$(use_enable intelfft) \
		$(use_enable pthread-lock) \
		$(use_enable python) \
		$(use_enable static-libs static) \
		$(use_enable swig) \
		$(use_enable swig-iface) \
		$(use_enable swig-octave) \
		$(use_enable swig-python) \
		--enable-help2man
		# Not sure:
		#		$(use_disable libtool-lock) \     avoid locking (might break parallel builds)
		#       $(use_enable macros) \            Build FAILS with -macros
}

src_compile() {
	emake
	use doc  &&  emake dvi
}

pkg_postinst() {
	elog "\n    Now you may want to setup your environment:"
	elog "\n    Bourne shell [bash] users: please add the following line to your .profile file:"
	elog "\n        . /etc/lal-user-env.sh"
	elog "\n    C-shell [tcsh] users: please add the following line to your .login file:"
	elog "\n        source /etc/lal-user-env.csh"
	elog ""

	use doc && elog "    The LAL documentation can be found in /usr/share/doc/${P}\n"
}