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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
FORTRAN_NEEDED="test"
inherit cmake-utils cuda fortran-2
DESCRIPTION="C++ template library for linear algebra"
HOMEPAGE="http://eigen.tuxfamily.org/"
SRC_URI="https://bitbucket.org/eigen/eigen/get/${PV}.tar.bz2 -> ${P}.tar.bz2"
LICENSE="MPL-2.0"
SLOT="3"
KEYWORDS="amd64 ~arm arm64 ppc ~ppc64 x86 ~amd64-linux ~x86-linux"
IUSE="c++11 cpu_flags_arm_neon cpu_flags_ppc_altivec cpu_flags_ppc_vsx cuda debug doc openmp test" #zvector
RESTRICT="!test? ( test )"
RDEPEND="!dev-cpp/eigen:0"
DEPEND="
cuda? ( dev-util/nvidia-cuda-toolkit )
doc? (
app-doc/doxygen[dot]
dev-texlive/texlive-bibtexextra
dev-texlive/texlive-fontsextra
dev-texlive/texlive-fontutils
dev-texlive/texlive-latex
dev-texlive/texlive-latexextra
)
test? (
dev-libs/gmp:0
dev-libs/mpfr:0
media-libs/freeglut
media-libs/glew
sci-libs/adolc[sparse]
sci-libs/cholmod
sci-libs/fftw:3.0
sci-libs/pastix
sci-libs/umfpack
sci-libs/scotch
sci-libs/spqr
sci-libs/superlu
virtual/opengl
virtual/pkgconfig
)
"
# Missing:
# METIS-5
# GOOGLEHASH
src_unpack() {
default
mv ${PN}* ${P} || die
}
src_prepare() {
cmake-utils_src_prepare
sed -e 's:-g2::g' \
-i cmake/EigenConfigureTesting.cmake || die
sed -e "/add_subdirectory(demos/d" \
-i CMakeLists.txt || die
if ! use test; then
sed -e "/add_subdirectory(test/d" \
-i CMakeLists.txt || die
sed -e "/add_subdirectory(blas/d" \
-e "/add_subdirectory(lapack/d" \
-i CMakeLists.txt || die
fi
sed -e "/Unknown build type/d" \
-i CMakeLists.txt || die
use cuda && cuda_src_prepare
}
src_compile() {
cmake-utils_src_compile
use doc && cmake-utils_src_compile doc
}
src_test() {
local mycmakeargs=(
-DEIGEN_TEST_NOQT=ON
-DEIGEN_TEST_ALTIVEC="$(usex cpu_flags_ppc_altivec)"
-DEIGEN_TEST_CXX11="$(usex c++11)"
-DEIGEN_TEST_CUDA="$(usex cuda)"
-DEIGEN_TEST_OPENMP="$(usex openmp)"
-DEIGEN_TEST_NEON64="$(usex cpu_flags_arm_neon)"
-DEIGEN_TEST_VSX="$(usex cpu_flags_ppc_vsx)"
)
cmake-utils_src_configure
cmake-utils_src_compile blas
cmake-utils_src_compile buildtests
cmake-utils_src_test
}
src_install() {
use doc && local HTML_DOCS=( "${BUILD_DIR}"/doc/html/. )
cmake-utils_src_install
# Debian installs it and some projects started using it.
insinto /usr/share/cmake/Modules/
doins "${S}/cmake/FindEigen3.cmake"
}
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