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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
NUMERIC_MODULE_NAME="openblas"
inherit alternatives-2 eutils multilib numeric numeric-int64-multibuild
DESCRIPTION="Optimized BLAS library based on GotoBLAS2"
HOMEPAGE="http://xianyi.github.com/OpenBLAS/"
SRC_URI="
http://github.com/xianyi/OpenBLAS/tarball/v${PV} -> ${P}.tar.gz
http://dev.gentoo.org/~gienah/distfiles/${PN}-0.2.11-gentoo.patch"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="dynamic openmp static-libs threads"
RDEPEND=""
DEPEND="${RDEPEND}
virtual/pkgconfig"
MULTILIB_WRAPPED_HEADERS=(
/usr/include/openblas/cblas.h
/usr/include/openblas/f77blas.h
/usr/include/openblas/openblas_config.h
)
PATCHES=(
"${DISTDIR}"/${PN}-0.2.11-gentoo.patch
)
get_openblas_flags() {
local openblas_flags=()
use dynamic && \
openblas_flags+=( DYNAMIC_ARCH=1 TARGET=GENERIC NUM_THREADS=64 NO_AFFINITY=1 )
$(numeric-int64_is_int64_build) && \
openblas_flags+=( INTERFACE64=1 )
# choose posix threads over openmp when the two are set
# yet to see the need of having the two profiles simultaneously
if use threads; then
openblas_flags+=( USE_THREAD=1 USE_OPENMP=0 )
elif use openmp; then
openblas_flags+=( USE_OPENMP=1 )
fi
local profname=$(numeric-int64_get_module_name)
local libname="${profname//-/_}"
local underscoresuffix="${libname#${PN}}"
if [[ "${underscoresuffix}" != "_" ]]; then
local libnamesuffix="${underscoresuffix#_}"
openblas_flags+=( LIBNAMESUFFIX=${libnamesuffix} )
fi
[[ "${ABI}" == "x86" ]] && openblas_flags+=( BINARY=32 )
echo "${openblas_flags[@]}"
}
get_openblas_abi_cflags() {
local openblas_abi_cflags=()
if [[ "${ABI}" == "x86" ]]; then
openblas_abi_cflags=( -DOPENBLAS_ARCH_X86=1 -DOPENBLAS___32BIT__=1 )
else
openblas_abi_cflags=( -DOPENBLAS_ARCH_X86_64=1 -DOPENBLAS___64BIT__=1 )
fi
$(numeric-int64_is_int64_build) && \
openblas_abi_cflags+=( -DOPENBLAS_USE64BITINT )
echo "${openblas_abi_cflags[@]}"
}
src_unpack() {
default
find "${WORKDIR}" -maxdepth 1 -type d -name \*OpenBLAS\* && \
mv "${WORKDIR}"/*OpenBLAS* "${S}" || die
}
src_prepare() {
default
# lapack and lapacke are not modified from upstream lapack
sed \
-e "s:^#\s*\(NO_LAPACK\)\s*=.*:\1=1:" \
-e "s:^#\s*\(NO_LAPACKE\)\s*=.*:\1=1:" \
-i Makefile.rule || die
numeric-int64-multibuild_copy_sources
}
src_configure() {
blas_configure() {
local openblas_abi_cflags="$(get_openblas_abi_cflags)"
local internal_openblas_abi_cflags="${openblas_abi_cflags//OPENBLAS_}"
sed \
-e "s:^#\s*\(CC\)\s*=.*:\1=$(tc-getCC) $(get_abi_CFLAGS):" \
-e "s:^#\s*\(FC\)\s*=.*:\1=$(tc-getFC) $(get_abi_CFLAGS):" \
-e "s:^#\s*\(COMMON_OPT\)\s*=.*:\1=${CFLAGS} ${internal_openblas_abi_cflags}:" \
-i Makefile.rule || die
}
numeric-int64-multibuild_foreach_all_abi_variants run_in_build_dir blas_configure
}
src_compile() {
# openblas already does multi-jobs
MAKEOPTS+=" -j1"
my_src_compile () {
local openblas_flags=$(get_openblas_flags)
# cflags already defined twice
unset CFLAGS || die
emake clean && emake libs shared ${openblas_flags}
mkdir -p libs && mv libopenblas* libs/ || die
# avoid pic when compiling static libraries, so re-compiling
if use static-libs; then
emake clean
emake libs ${openblas_flags} NO_SHARED=1 NEED_PIC=
mv libopenblas* libs/ || die
fi
# Fix Bug 524612 - [science overlay] sci-libs/openblas-0.2.11 - Assembler messages:
# ../kernel/x86_64/gemm_kernel_8x4_barcelona.S:451: Error: missing ')'
# The problem is applying this patch in src_prepare() causes build failures on
# assembler code as the assembler does not understand sizeof(float). So
# delay applying the patch until after building the libraries.
epatch "${FILESDIR}/${PN}-0.2.11-openblas_config_header_same_between_ABIs.patch"
rm -f config.h config_last.h || die
# Note: prints this spurious warning: make: Nothing to be done for 'config.h'.
emake config.h
cp config.h config_last.h || die
mv libs/libopenblas* . || die
}
numeric-int64-multibuild_foreach_all_abi_variants run_in_build_dir my_src_compile
}
src_test() {
my_src_test () {
local openblas_flags=$(get_openblas_flags)
emake tests ${openblas_flags}
}
numeric-int64-multibuild_foreach_all_abi_variants run_in_build_dir my_src_test
}
src_install() {
my_src_install() {
local openblas_flags=$(get_openblas_flags)
local profname=$(numeric-int64_get_module_name)
local pcfile
# The file /usr/include/openblas/openblas_config.h is generated during the install.
# The sed on config_last.h removes the #define's OPENBLAS_USE64BITINT
# OPENBLASS__32BIT__ OPENBLASS__64BIT__ OPENBLAS__ARCH_X86 OPENBLAS__ARCH_X86_64
# from /usr/include/openblas/openblas_config.h. We then specify it in Cflags in
# the /usr/lib64/pkg-config/openblas-int64-{threads,openmp}.pc file.
sed -e '/#define USE64BITINT/d' \
-e '/#define ARCH_X86/d' \
-e '/#define __\(32\|64\)BIT__/d' \
-i config_last.h \
|| die "Could not ensure there is no definition of USE64BITINT in config_last.h"
emake install \
PREFIX="${ED}"usr ${openblas_flags} \
OPENBLAS_INCLUDE_DIR="${ED}"usr/include/${PN} \
OPENBLAS_LIBRARY_DIR="${ED}"usr/$(get_libdir)
if ! use static-libs; then
rm "${ED}"usr/$(get_libdir)/lib*.a || die
fi
local openblas_abi_cflags=$(get_openblas_abi_cflags)
local openblas_abi_fflags=$(numeric-int64_get_fortran_int64_abi_fflags)
local libname="${profname//-/_}"
create_pkgconfig \
--name "${profname}" \
--libs "-L\${libdir} -l${libname}" \
--libs-private "-lm" \
--cflags "-I\${includedir}/${PN} ${openblas_abi_cflags}" \
${profname}
if [[ ${CHOST} == *-darwin* ]] ; then
cd "${ED}"/usr/$(get_libdir) || die
local d
for d in *.dylib; do
ebegin "Correcting install_name of ${d}"
install_name_tool -id "${EPREFIX}/usr/$(get_libdir)/${d}" "${d}" || die
eend $?
done
fi
if [[ ${#MULTIBUILD_VARIANTS[@]} -gt 1 ]]; then
multilib_prepare_wrappers
multilib_check_headers
fi
}
numeric-int64-multibuild_foreach_all_abi_variants run_in_build_dir my_src_install
printf "/usr/include/cblas.h ${PN}/cblas.h" > "${T}"/alternative-cblas-generic.sh || die
numeric-int64-multibuild_install_alternative blas ${NUMERIC_MODULE_NAME}
numeric-int64-multibuild_install_alternative cblas ${NUMERIC_MODULE_NAME}
multilib_install_wrappers
dodoc GotoBLAS_{01Readme,03FAQ,04FAQ,05LargePage,06WeirdPerformance}.txt *md Changelog.txt
}
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