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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{10..12} )
DOCS_BUILDER="sphinx"
DOCS_DEPEND="dev-python/sphinx-rtd-theme"
DOCS_DIR="docs/source"
inherit cmake-multilib cuda flag-o-matic python-any-r1 docs
DESCRIPTION="Nonlinear least-squares minimizer"
HOMEPAGE="http://ceres-solver.org/"
SRC_URI="http://ceres-solver.org/${P}.tar.gz"
LICENSE="sparse? ( BSD ) !sparse? ( LGPL-2.1 )"
SLOT="0/1"
KEYWORDS="amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="examples cuda gflags lapack +schur sparse test"
REQUIRED_USE="test? ( gflags ) sparse? ( lapack ) abi_x86_32? ( !sparse !lapack )"
RESTRICT="!test? ( test )"
BDEPEND="${PYTHON_DEPS}
>=dev-cpp/eigen-3.3.4:3
lapack? ( virtual/pkgconfig )
doc? ( <dev-libs/mathjax-3 )
"
RDEPEND="
dev-cpp/glog[gflags?,${MULTILIB_USEDEP}]
cuda? ( dev-util/nvidia-cuda-toolkit:= )
lapack? ( virtual/lapack )
sparse? (
sci-libs/amd
sci-libs/camd
sci-libs/ccolamd
sci-libs/cholmod[metis(+)]
sci-libs/colamd
sci-libs/spqr
)
"
DEPEND="${RDEPEND}"
DOCS=( README.md VERSION )
PATCHES=(
"${FILESDIR}/${PN}-2.0.0-system-mathjax.patch"
"${FILESDIR}/${PN}-2.2.0-include-algorithm.patch"
)
src_prepare() {
cmake_src_prepare
filter-lto
# search paths work for prefix
sed -e "s:/usr:${EPREFIX}/usr:g" \
-i cmake/*.cmake || die
# remove Werror
sed -e 's/-Werror=(all|extra)//g' \
-i CMakeLists.txt || die
}
src_configure() {
# CUSTOM_BLAS=OFF EIGENSPARSE=OFF MINIGLOG=OFF
local mycmakeargs=(
-DBUILD_BENCHMARKS=OFF
-DBUILD_EXAMPLES=$(usex examples)
-DBUILD_TESTING=$(usex test)
-DBUILD_DOCUMENTATION=$(usex doc)
-DGFLAGS=$(usex gflags)
-DLAPACK=$(usex lapack)
-DSCHUR_SPECIALIZATIONS=$(usex schur)
-DSUITESPARSE=$(usex sparse)
-DEigen3_DIR=/usr/$(get_libdir)/cmake/eigen3
-DBUILD_SHARED_LIBS="yes"
-DEIGENMETIS="yes"
-DEIGENSPARSE="yes"
-DMINIGLOG="no"
-DCUSTOM_BLAS="yes"
-DUSE_CUDA="$(usex cuda)"
)
if use cuda; then
: "${CUDAHOSTCXX:=$(cuda_gccdir)}"
: "${CUDAARCHS:=all}"
export CUDAHOSTCXX
export CUDAARCHS
fi
use sparse || mycmakeargs+=( -DEIGENSPARSE=ON )
cmake-multilib_src_configure
}
src_test() {
use cuda && cuda_add_sandbox -w
cmake_src_test
}
src_install() {
cmake-multilib_src_install
if use examples; then
docompress -x /usr/share/doc/${PF}/examples
dodoc -r examples data
fi
}
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