gentoo-overlay/sci-libs/m4ri/m4ri-20200115.ebuild

# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit autotools flag-o-matic toolchain-funcs

DESCRIPTION="Method of four russian for inversion (M4RI)"
HOMEPAGE="https://bitbucket.org/malb/m4ri"
SRC_URI="https://bitbucket.org/malb/${PN}/downloads/${P}.tar.gz"

LICENSE="GPL-2+"
SLOT="0"
KEYWORDS="~amd64 ~ppc64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos"
IUSE="debug openmp cpu_flags_x86_sse2 png static-libs"

BDEPEND="virtual/pkgconfig"
DEPEND="png? ( media-libs/libpng:= )"
RDEPEND="${DEPEND}"

# NEWS and ChangeLog are empty as of 2020-01-01, and README.md
# didn't make it into the release tarball.
DOCS=( AUTHORS )

PATCHES=(
	"${FILESDIR}"/${PN}-20200115-memory_violation.patch
	"${FILESDIR}"/${PN}-20200115-libm_underlinking.patch
)

pkg_pretend() {
	use openmp && tc-check-openmp
}

src_prepare() {
	default

	eautoreconf
}

src_configure() {
	# when using openmp and -O0 the testsuite fails
	# https://github.com/cschwan/sage-on-gentoo/issues/475
	# Still current as of 20200115
	use openmp && replace-flags -O0 -O1

	econf \
		$(use_enable debug) \
		$(use_enable openmp) \
		$(use_enable png) \
		$(use_enable cpu_flags_x86_sse2 sse2) \
		$(use_enable static-libs static)
}

src_install() {
	default
	find "${ED}" -name '*.la' -delete || die
}