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# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit toolchain-funcs
DESCRIPTION="library for nonequispaced discrete Fourier transformations"
HOMEPAGE="https://www-user.tu-chemnitz.de/~potts/nfft/"
SRC_URI="https://github.com/NFFT/nfft/releases/download/${PV}/${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="doc openmp static-libs"
RDEPEND="sci-libs/fftw:3.0[threads,openmp?]"
DEPEND="${RDEPEND}"
pkg_pretend() {
if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
if ! tc-has-openmp; then
ewarn "OpenMP is not available in your current selected compiler"
if tc-is-clang; then
ewarn "OpenMP support in sys-devel/clang is provided by sys-libs/libomp,"
ewarn "which you will need to build ${CATEGORY}/${PN} with USE=\"openmp\""
fi
die "need openmp capable compiler"
fi
fi
}
src_configure() {
econf \
--enable-all \
--enable-shared \
$(use_enable openmp) \
$(use_enable static-libs static)
}
src_install() {
default
use doc || rm -r "${ED}/usr/share/doc/${P}/html" || die
# infft uses pkg-config to record its private dependencies
find "${ED}" -name '*.la' -delete || die
}
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