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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
Sparse_PV="7.12.2"
Sparse_P="SuiteSparse-${Sparse_PV}"
inherit cmake cuda toolchain-funcs
DESCRIPTION="Sparse Cholesky factorization and update/downdate library"
HOMEPAGE="https://people.engr.tamu.edu/davis/suitesparse.html"
SRC_URI="https://github.com/DrTimothyAldenDavis/SuiteSparse/archive/refs/tags/v${Sparse_PV}.tar.gz -> ${Sparse_P}.gh.tar.gz"
S="${WORKDIR}/${Sparse_P}/${PN^^}"
LICENSE="LGPL-2.1+ modify? ( GPL-2+ ) matrixops? ( GPL-2+ )"
SLOT="0/$(ver_cut 1)"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
IUSE="+cholesky cuda doc openmp +matrixops +modify +partition +supernodal test"
RESTRICT="!test? ( test )"
DEPEND="
>=sci-libs/suitesparseconfig-${Sparse_PV}:=
>=sci-libs/amd-3.3.4:=
>=sci-libs/colamd-3.3.5:=
cuda? (
dev-util/nvidia-cuda-toolkit:=
x11-drivers/nvidia-drivers
)
partition? (
>=sci-libs/camd-3.3.5:=
>=sci-libs/ccolamd-3.3.5:=
)
supernodal? (
virtual/lapack
)
"
RDEPEND="${DEPEND}"
BDEPEND="
doc? ( virtual/latex-base )
"
REQUIRED_USE="
supernodal? ( cholesky )
modify? ( cholesky )
test? ( cholesky matrixops supernodal )
"
PATCHES=( "${FILESDIR}"/${P}-{metis,gklib}-cmake4.patch ) # bug 957609
pkg_pretend() {
[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
}
pkg_setup() {
[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
}
src_prepare() {
cmake_src_prepare
if use cuda; then
cuda_src_prepare
fi
}
src_configure() {
# Note that "N" prefixed options are negative options
# so, they need to be turned OFF if you want that option.
# Fortran is turned off as it is only used to compile (untested) demo programs.
# Define SUITESPARSE_INCLUDEDIR_POSTFIX to "" otherwise it take
# the value suitesparse, and the include directory would be set to
# /usr/include/suitesparse
# This need to be set in all suitesparse ebuilds.
local mycmakeargs=(
-DBUILD_STATIC_LIBS=OFF
-DCHOLMOD_USE_CUDA=$(usex cuda)
-DCHOLMOD_USE_OPENMP=$(usex openmp)
-DSUITESPARSE_HAS_FORTRAN=OFF
-DCHOLMOD_CHOLESKY=$(usex cholesky)
-DCHOLMOD_MATRIXOPS=$(usex matrixops)
-DCHOLMOD_MODIFY=$(usex modify)
-DCHOLMOD_PARTITION=$(usex partition)
-DCHOLMOD_SUPERNODAL=$(usex supernodal)
-DSUITESPARSE_DEMOS=$(usex test)
-DSUITESPARSE_INCLUDEDIR_POSTFIX=""
)
if has_version 'virtual/blas[index64]'; then
mycmakeargs+=( -DSUITESPARSE_USE_64BIT_BLAS=ON )
fi
if has_version 'virtual/blas[flexiblas]'; then
mycmakeargs+=( -DBLA_VENDOR=FlexiBLAS )
else
mycmakeargs+=( -DBLA_VENDOR=Generic )
fi
# TODO: Figure out how to make sci-libs/mkl work. Bug 974246
if use cuda; then
cuda_add_sandbox
addpredict "/dev/char/"
mycmakeargs+=(
-DSUITESPARSE_CUDA_ARCHITECTURES="${CUDAARCHS:-all-major}"
)
local -x CUDAHOSTCXX="$(cuda_gccdir)"
local -x CUDAHOSTLD="$(tc-getCXX)"
fi
cmake_src_configure
}
src_test() {
# Because we are not using cmake_src_test,
# we have to manually go to BUILD_DIR
cd "${BUILD_DIR}" || die
# Run demo files
local type=(
di
dl
si
sl
)
local prog=(
demo
simple
)
local matrix_file=(
bcsstk01.tri
lp_afiro.tri
can___24.mtx
c.tri
bcsstk02.tri
)
local i
local j
local k
for i in ${type[@]}; do
for k in ${prog[@]}; do
for j in ${matrix_file[@]}; do
./cholmod_${i}_${k} < "${S}/Demo/Matrix/${j}" \
|| die "failed testing cholmod_${i}_${k} with ${j}"
done
done
done
einfo "All tests passed"
}
src_install() {
if use doc; then
pushd "${S}/Doc" || die
emake clean
rm -rf *.pdf || die
emake
popd || die
DOCS="${S}/Doc/*.pdf"
fi
cmake_src_install
}
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