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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit flag-o-matic fortran-2 toolchain-funcs
DESCRIPTION="Jacobi-Davidson type method for the generalized standard eigenvalue problem"
HOMEPAGE="https://www.win.tue.nl/~hochsten/jd"
SRC_URI="https://www.win.tue.nl/~hochsten/jd/${PN}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}/${PN}"
LICENSE="GPL-3"
SLOT="0"
KEYWORDS="~amd64"
IUSE="doc test"
# virtual/lapack does not pull in [deprecated] so we have to deal with this mess like this until it does
DEPEND="
virtual/blas
virtual/lapack
|| ( sci-libs/openblas !sci-libs/lapack[-deprecated(-)] )
"
RDEPEND="${DEPEND}"
BDEPEND="doc? ( dev-texlive/texlive-latex )"
PATCHES=( "${FILESDIR}/makefile.patch" )
RESTRICT="!test? ( test )"
src_prepare() {
append-fflags "$($(tc-getPKG_CONFIG) --libs blas) $($(tc-getPKG_CONFIG) --libs lapack)"
default
}
src_compile() {
if use doc; then
pdflatex manual.tex || die
fi
cd "jdlib" || die
emake
ln -s libjdqz.so.0 libjdqz.so || die
}
src_test() {
pushd "jdtest" || die
emake
popd || die
LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:./jdlib" ./jdtest/example || die
}
src_install() {
dolib.so jdlib/libjdqz.so
dolib.so jdlib/libjdqz.so.0
use doc && dodoc manual.pdf
}
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