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135 lines
2.7 KiB
Bash
135 lines
2.7 KiB
Bash
# 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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inherit cmake cuda toolchain-funcs
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DESCRIPTION="Fast approximate nearest neighbor searches in high dimensional spaces"
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HOMEPAGE="https://github.com/flann-lib/flann"
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COMMIT="f9caaf609d8b8cb2b7104a85cf59eb92c275a25d"
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SRC_URI="
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https://github.com/flann-lib/${PN}/archive/${COMMIT}.tar.gz
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-> ${P}.tar.gz
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https://dev.gentoo.org/~sam/distfiles/${CATEGORY}/${PN}/${P}-patches.tar.xz
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"
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S="${WORKDIR}/${PN}-${COMMIT}"
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LICENSE="BSD"
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SLOT="0"
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KEYWORDS="amd64 ~arm arm64 ~ppc ~x86 ~amd64-linux ~x86-linux"
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IUSE="cuda doc examples mpi octave openmp test"
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RESTRICT="!test? ( test )"
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BDEPEND="
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doc? (
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dev-tex/latex2html
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)
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mpi? (
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app-admin/chrpath
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)
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"
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DEPEND="
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app-arch/lz4:=
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cuda? (
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dev-util/nvidia-cuda-toolkit:=
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)
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examples? (
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sci-libs/hdf5:=[mpi?]
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)
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mpi? (
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dev-libs/boost:=[mpi]
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sci-libs/hdf5[mpi]
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)
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octave? (
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>=sci-mathematics/octave-3.6.4-r1:=
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)
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"
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RDEPEND="${DEPEND}"
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PATCHES=(
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"${FILESDIR}"/${PN}-1.9.1-build-oct-rather-than-mex-files-for-octave.patch # bug 830424
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"${FILESDIR}"/${PN}-1.9.2-asio-boost187.patch
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"${FILESDIR}"/${PN}-1.9.2-boost-config.patch
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"${FILESDIR}"/${PN}-1.9.2-system-gtest.patch
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)
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pkg_pretend() {
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[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
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}
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pkg_setup() {
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[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
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}
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src_prepare() {
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# bug #302621
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use mpi && export CXX=mpicxx
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cmake_src_prepare
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for patch in "${WORKDIR}/${P}-patches"/*; do
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eapply "${patch}"
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done
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}
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src_configure() {
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# python bindings are split off into dev-python/pyflann
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local mycmakeargs=(
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-DCMAKE_CXX_STANDARD=17
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-DBUILD_C_BINDINGS="yes"
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-DBUILD_PYTHON_BINDINGS="no"
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-DBUILD_CUDA_LIB="$(usex cuda)"
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-DBUILD_EXAMPLES="$(usex examples)"
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-DBUILD_DOC="$(usex doc)"
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-DBUILD_TESTS="$(usex test)"
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-DBUILD_MATLAB_BINDINGS="$(usex octave)"
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-DUSE_MPI="$(usex test "$(usex mpi)")"
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-DUSE_OPENMP="$(usex openmp)"
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-DCMAKE_BUILD_STATIC_LIBS="no"
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)
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if use cuda; then
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cuda_add_sandbox -w
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mycmakeargs+=(
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-DCMAKE_CUDA_FLAGS="-Xcudafe \"--diag_suppress=partial_override\""
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)
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export CUDAHOSTCXX="$(cuda_gccdir)"
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export CUDAHOSTLD="$(tc-getCXX)"
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fi
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use doc && mycmakeargs+=( -DDOCDIR="share/doc/${PF}" )
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cmake_src_configure
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}
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src_compile() {
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local targets=( "all" )
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use doc && targets+=( "doc" )
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if use test; then
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targets+=( "flann_gtests" )
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if use cuda; then
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targets+=( "flann_cuda_test" )
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fi
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fi
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cmake_src_compile "${targets[@]}"
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}
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src_test() {
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# some fail when run in parallel
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cmake_src_test -j1
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}
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src_install() {
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cmake_src_install
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# bug 795828; mpicc voluntarily adds some runpaths
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if use mpi; then
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chrpath -d "${ED}/usr/bin/flann_mpi_"{client,server} || die
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fi
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}
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