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# Copyright 2019-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{10..13} )
inherit python-any-r1 toolchain-funcs
DESCRIPTION="BLAS-like Library Instantiation Software Framework"
HOMEPAGE="https://github.com/flame/blis"
SRC_URI="https://github.com/flame/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~ppc64 ~x86"
CPU_USE=(
cpu_flags_ppc_{vsx,vsx3}
cpu_flags_arm_{neon,v7,v8,sve}
cpu_flags_x86_{ssse3,avx,fma3,fma4,avx2,avx512vl}
)
IUSE="doc eselect-ldso openmp pthread serial static-libs 64bit-index ${CPU_USE[@]}"
REQUIRED_USE="
?? ( openmp pthread serial )
?? ( eselect-ldso 64bit-index )"
DEPEND="
eselect-ldso? (
!app-eselect/eselect-cblas
>=app-eselect/eselect-blas-0.2
)"
RDEPEND="${DEPEND}"
BDEPEND="
${PYTHON_DEPS}
dev-lang/perl
"
PATCHES=(
"${FILESDIR}"/${PN}-0.6.0-blas-provider.patch
# to prevent QA Notice: pkg-config files with wrong LDFLAGS detected
"${FILESDIR}"/${PN}-0.8.1-pkg-config.patch
"${FILESDIR}"/${PN}-0.9.0-rpath.patch
)
get_confname() {
local confname=generic
if use x86 || use amd64; then
use cpu_flags_x86_ssse3 && confname=penryn
use cpu_flags_x86_avx && use cpu_flags_x86_fma3 && confname=sandybridge
use cpu_flags_x86_avx && use cpu_flags_x86_fma4 && confname=bulldozer
use cpu_flags_x86_avx && use cpu_flags_x86_fma4 && use cpu_flags_x86_fma3 && confname=piledriver
use cpu_flags_x86_avx2 && confname=haswell
use cpu_flags_x86_avx512vl && confname=skx
elif use arm || use arm64; then
use arm && confname=arm32
use arm64 && confname=arm64
use cpu_flags_arm_neon && use cpu_flags_arm_v7 && confname=cortexa9
use cpu_flags_arm_v8 && confname=cortexa53
use cpu_flags_arm_sve && confname=armsve
elif use ppc || use ppc64; then
confname=power
use cpu_flags_ppc_vsx && confname=power7
use cpu_flags_ppc_vsx3 && confname=power9
fi
echo ${confname}
}
src_configure() {
local BLIS_FLAGS=()
# determine flags
if use openmp; then
BLIS_FLAGS+=( -t openmp )
elif use pthread; then
BLIS_FLAGS+=( -t pthreads )
else
BLIS_FLAGS+=( -t no )
fi
use 64bit-index && BLIS_FLAGS+=( -b 64 -i 64 )
# This is not an autotools configure file. We don't use econf here.
CC="$(tc-getCC)" AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)" ./configure \
--enable-verbose-make \
--prefix="${BROOT}"/usr \
--libdir="${BROOT}"/usr/$(get_libdir) \
$(use_enable static-libs static) \
--enable-blas \
--enable-cblas \
"${BLIS_FLAGS[@]}" \
--enable-shared \
$(get_confname) || die
}
src_compile() {
DEB_LIBBLAS=libblas.so.3 DEB_LIBCBLAS=libcblas.so.3 \
LDS_BLAS="${FILESDIR}"/blas.lds LDS_CBLAS="${FILESDIR}"/cblas.lds \
default
}
src_test() {
LD_LIBRARY_PATH=lib/$(get_confname) emake testblis-fast
./testsuite/check-blistest.sh ./output.testsuite || die
}
src_install() {
default
use doc && dodoc README.md docs/*.md
if use eselect-ldso; then
insinto /usr/$(get_libdir)/blas/blis
doins lib/*/lib{c,}blas.so.3
dosym libblas.so.3 usr/$(get_libdir)/blas/blis/libblas.so
dosym libcblas.so.3 usr/$(get_libdir)/blas/blis/libcblas.so
fi
}
pkg_postinst() {
use eselect-ldso || return
local libdir=$(get_libdir) me="blis"
# check blas
eselect blas add ${libdir} "${EROOT}"/usr/${libdir}/blas/${me} ${me}
local current_blas=$(eselect blas show ${libdir} | cut -d' ' -f2)
if [[ ${current_blas} == "${me}" || -z ${current_blas} ]]; then
eselect blas set ${libdir} ${me}
elog "Current eselect: BLAS/CBLAS ($libdir) -> [${current_blas}]."
else
elog "Current eselect: BLAS/CBLAS ($libdir) -> [${current_blas}]."
elog "To use blas [${me}] implementation, you have to issue (as root):"
elog "\t eselect blas set ${libdir} ${me}"
fi
}
pkg_postrm() {
use eselect-ldso && eselect blas validate
}
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