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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI="7"
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 -> ${P}.tar.gz"
LICENSE="GPL-3"
SLOT="0"
KEYWORDS="~amd64"
IUSE="doc"
# vvirtual/lapack does not pull in [deprecated] so we have to deal with this mess like this until it does
DEPEND="
virtual/blas
virtual/lapack
|| ( sci-libs/openblas sci-libs/lapack[deprecated] )
"
RDEPEND="${DEPEND}"
BDEPEND="doc? ( dev-texlive/texlive-latex )"
S="${WORKDIR}/${PN}"
src_prepare() {
libs="$($(tc-getPKG_CONFIG) --libs blas)"
libs+=" $($(tc-getPKG_CONFIG) --libs lapack)"
export libs
sed -i 's/f77/${F77}/g' jdtest/Makefile || die
sed -i '/FFLAGS/d' jdtest/Makefile || die
sed -i 's/-u -O/-u ${FFLAGS}/g' jdtest/Makefile || die
sed -i "s/-llapack -lblas/${libs}/" jdtest/Makefile || die
default
}
src_compile() {
if use doc; then
pdflatex manual.tex || die
fi
cd "jdlib" || die
echo "$(fc-getFC)" *.f "${FFLAGS} -shared -fPIC -Wl,-soname,libjdqz.so.0 -lm ${libs} ${LDFLAGS} -o libjdqz.so.0" > make.sh || die
bash make.sh || die
ln -s libjdqz.so.0 libjdqz.so || die
}
src_test() {
cd "jdtest" || die
emake
cd ".." || die
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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