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# Copyright 1999-2020 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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FORTRAN_NEEDED="test"
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inherit cmake cuda fortran-2
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DESCRIPTION="C++ template library for linear algebra"
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HOMEPAGE="http://eigen.tuxfamily.org/index.php?title=Main_Page"
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SRC_URI="https://gitlab.com/libeigen/eigen/-/archive/3.3.7/${P}.tar.bz2 -> ${P}-gitlab.tar.bz2"
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LICENSE="MPL-2.0"
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SLOT="3"
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KEYWORDS="~amd64 ~arm arm64 ~ppc ~ppc64 x86 ~amd64-linux ~x86-linux"
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IUSE="cpu_flags_arm_neon cpu_flags_ppc_altivec cpu_flags_ppc_vsx cuda debug doc openmp test" #zvector
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RESTRICT="!test? ( test )"
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BDEPEND="
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doc? (
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app-doc/doxygen[dot]
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dev-texlive/texlive-bibtexextra
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dev-texlive/texlive-fontsextra
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dev-texlive/texlive-fontutils
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dev-texlive/texlive-latex
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dev-texlive/texlive-latexextra
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)
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test? ( virtual/pkgconfig )
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"
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DEPEND="
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cuda? ( dev-util/nvidia-cuda-toolkit )
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test? (
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dev-libs/gmp:0
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dev-libs/mpfr:0
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media-libs/freeglut
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media-libs/glew
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sci-libs/adolc[sparse]
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sci-libs/cholmod
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sci-libs/fftw:3.0
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sci-libs/pastix
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sci-libs/scotch
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sci-libs/spqr
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sci-libs/superlu
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sci-libs/umfpack
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virtual/opengl
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)
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"
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# Missing:
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# METIS-5
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# GOOGLEHASH
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PATCHES=( "${FILESDIR}"/${P}-gentoo-cmake.patch )
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src_prepare() {
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cmake_src_prepare
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cmake_comment_add_subdirectory demos
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if ! use test; then
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sed -e "/add_subdirectory(test/s/^/#DONOTCOMPILE /g" \
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-e "/add_subdirectory(blas/s/^/#DONOTCOMPILE /g" \
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-e "/add_subdirectory(lapack/s/^/#DONOTCOMPILE /g" \
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-i CMakeLists.txt || die
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fi
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use cuda && cuda_src_prepare
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}
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src_configure() {
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local mycmakeargs=(
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-DCMAKEPACKAGE_INSTALL_DIR="${EPREFIX}"/usr/$(get_libdir)/cmake/${PN}${SLOT}
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)
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use test && mycmakeargs+=(
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-DEIGEN_TEST_CXX11=ON
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-DEIGEN_TEST_NOQT=ON
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-DEIGEN_TEST_ALTIVEC=$(usex cpu_flags_ppc_altivec)
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-DEIGEN_TEST_CUDA=$(usex cuda)
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-DEIGEN_TEST_OPENMP=$(usex openmp)
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-DEIGEN_TEST_NEON64=$(usex cpu_flags_arm_neon)
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-DEIGEN_TEST_VSX=$(usex cpu_flags_ppc_vsx)
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)
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cmake_src_configure
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}
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src_compile() {
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cmake_src_compile
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use doc && cmake_src_compile doc
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if use test; then
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cmake_src_compile blas
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cmake_src_compile buildtests
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fi
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}
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src_install() {
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use doc && local HTML_DOCS=( "${BUILD_DIR}"/doc/html/. )
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cmake_src_install
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}
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