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sci-libs/lapack: Introduce USE=flexiblas for sys flexiblas use
Introduce a USE=flexiblas that adds a "-reference" suffix to all the libraries, and moves the headers into a "lapack-reference" subdirectory. This is meant to make it possible to symlink the system BLAS/LAPACK libraries into sci-libs/flexiblas instead. Signed-off-by: Michał Górny <mgorny@gentoo.org>
This commit is contained in:
Michał Górny
parent
ad3f8891f4
commit
d8b23402c5
153
sci-libs/lapack/lapack-3.12.1-r2.ebuild
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153
sci-libs/lapack/lapack-3.12.1-r2.ebuild
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# Copyright 1999-2025 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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# Some additional tests are run if Python is found
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PYTHON_COMPAT=( python3_{11..14} )
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inherit cmake flag-o-matic fortran-2 python-any-r1
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DESCRIPTION="BLAS, CBLAS, LAPACK, LAPACKE reference implementations"
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HOMEPAGE="https://www.netlib.org/lapack/"
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SRC_URI="https://github.com/Reference-LAPACK/lapack/archive/v${PV}.tar.gz -> ${P}.tar.gz"
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LICENSE="BSD"
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SLOT="0"
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KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos"
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IUSE="flexiblas lapacke deprecated doc eselect-ldso index64 test"
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REQUIRED_USE="flexiblas? ( deprecated !eselect-ldso )"
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RESTRICT="!test? ( test )"
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RDEPEND="
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!app-eselect/eselect-cblas
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virtual/fortran
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eselect-ldso? (
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>=app-eselect/eselect-blas-0.2
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>=app-eselect/eselect-lapack-0.2
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)
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doc? ( app-doc/blas-docs )
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"
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DEPEND="${RDEPEND}"
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BDEPEND="
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virtual/pkgconfig
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test? ( ${PYTHON_DEPS} )
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"
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PDEPEND="
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flexiblas? (
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sci-libs/flexiblas[system-blas(-)]
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)
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"
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PATCHES=(
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"${FILESDIR}"/${PN}-3.12.1-broken-flow.patch
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"${FILESDIR}"/${PN}-3.12.1-broken-flow-deux.patch
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"${FILESDIR}"/${PN}-3.12.1-broken-flow-trois.patch
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"${FILESDIR}"/${PN}-3.12.1-lapack64-pc.patch
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)
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pkg_setup() {
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fortran-2_pkg_setup
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use test && python-any-r1_pkg_setup
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}
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src_prepare() {
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cmake_src_prepare
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if use flexiblas; then
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# install libraries renamed to '*-reference'
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sed -i -e '/set([A-Z]*LIB/s:"):-reference"):' CMakeLists.txt || die
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fi
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}
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src_configure() {
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# bug #878891
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filter-lto
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local mycmakeargs=(
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-DCBLAS=ON
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-DLAPACKE=$(usex lapacke)
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-DBUILD_DEPRECATED=$(usex deprecated)
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-DBUILD_SHARED_LIBS=ON
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-DBUILD_TESTING=$(usex test)
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-DLAPACK_TESTING_USE_PYTHON=$(usex test)
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# Breaks cross
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-DTEST_FORTRAN_COMPILER=OFF
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)
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if use flexiblas; then
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mycmakeargs+=(
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-DCMAKE_INSTALL_INCLUDEDIR=include/lapack-reference
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# Disable the additional ILP64 symbols in LP64 libraries
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# for now, to save time. FlexiBLAS cannot use them
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# at the moment.
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-DBUILD_INDEX64_EXT_API=OFF
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)
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fi
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cmake_src_configure
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if use index64; then
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mycmakeargs+=(
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-DBUILD_INDEX64=ON
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)
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BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_configure
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fi
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}
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src_compile() {
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cmake_src_compile
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use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_compile
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}
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src_install() {
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cmake_src_install
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use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_install
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use eselect-ldso || return
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# Create private lib directory for eselect::blas (ld.so.conf)
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dodir /usr/$(get_libdir)/blas/reference
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dosym -r /usr/$(get_libdir)/libblas.so /usr/$(get_libdir)/blas/reference/libblas.so
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dosym -r /usr/$(get_libdir)/libblas.so.3 /usr/$(get_libdir)/blas/reference/libblas.so.3
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dosym -r /usr/$(get_libdir)/libcblas.so /usr/$(get_libdir)/blas/reference/libcblas.so
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dosym -r /usr/$(get_libdir)/libcblas.so.3 /usr/$(get_libdir)/blas/reference/libcblas.so.3
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# Create private lib directory for eselect::lapack (ld.so.conf)
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dodir /usr/$(get_libdir)/lapack/reference
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dosym -r /usr/$(get_libdir)/liblapack.so /usr/$(get_libdir)/lapack/reference/liblapack.so
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dosym -r /usr/$(get_libdir)/liblapack.so.3 /usr/$(get_libdir)/lapack/reference/liblapack.so.3
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}
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pkg_postinst() {
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use eselect-ldso || return
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local me=reference libdir=$(get_libdir)
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# check eselect-blas
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eselect blas add ${libdir} "${EPREFIX}"/usr/${libdir}/blas/${me} ${me}
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local current_blas=$(eselect blas show ${libdir} | cut -d' ' -f2)
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if [[ ${current_blas} == ${me} || -z ${current_blas} ]]; then
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eselect blas set ${libdir} ${me}
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elog "Current eselect: BLAS ($libdir) -> [${current_blas}]."
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else
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elog "Current eselect: BLAS ($libdir) -> [${current_blas}]."
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elog "To use blas [${me}] implementation, you have to issue (as root):"
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elog "\t eselect blas set ${libdir} ${me}"
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fi
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# check eselect-lapack
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eselect lapack add ${libdir} "${EPREFIX}"/usr/${libdir}/lapack/${me} ${me}
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local current_lapack=$(eselect lapack show ${libdir} | cut -d' ' -f2)
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if [[ ${current_lapack} == ${me} || -z ${current_lapack} ]]; then
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eselect lapack set ${libdir} ${me}
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elog "Current eselect: LAPACK ($libdir) -> [${current_lapack}]."
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else
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elog "Current eselect: LAPACK ($libdir) -> [${current_lapack}]."
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elog "To use lapack [${me}] implementation, you have to issue (as root):"
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elog "\t eselect lapack set ${libdir} ${me}"
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fi
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}
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pkg_postrm() {
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use eselect-ldso || return
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eselect blas validate
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eselect lapack validate
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}
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@ -28,6 +28,9 @@ This package installs the reference FORTRAN 77 implementation from Netlib.
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</longdescription>
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<use>
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<flag name="deprecated">Also build deprecated functions</flag>
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<flag name="flexiblas">
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Rename install files, for system FlexiBLAS compatibility
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</flag>
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<flag name="index64">Build a separate ILP64 library in addition to LP64</flag>
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<flag name="lapacke">Build LAPACKE</flag>
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<flag name="eselect-ldso">Enable runtime library switching by
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