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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
PYTHON_COMPAT=( python2_7 )
NUMERIC_MODULE_NAME="refcblas"
inherit alternatives-2 cmake-utils eutils fortran-2 numeric-int64-multibuild python-any-r1 toolchain-funcs
LPN=lapack
LPV=3.6.0
DESCRIPTION="C wrapper interface to the F77 reference BLAS implementation"
HOMEPAGE="http://www.netlib.org/cblas/"
SRC_URI="http://www.netlib.org/${LPN}/${LPN}-${LPV}.tgz"
LICENSE="BSD"
SLOT="0/${LPV}"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="static-libs test"
REQUIRED_USE="test? ( ${PYTHON_REQUIRED_USE} )"
RDEPEND="virtual/blas"
DEPEND="${RDEPEND}
test? ( ${PYTHON_DEPS} )
virtual/pkgconfig"
S="${WORKDIR}/${LPN}-${LPV}"
PATCHES=( "${FILESDIR}/lapack-fix-build-system.patch" )
MULTILIB_WRAPPED_HEADERS=(
/usr/include/cblas/cblas.h
)
src_prepare() {
# the lapack(e)/(c)blas build system is somewhat broken
# with respect to its pkg-config files.
epatch "${PATCHES[@]}"
# rename library to avoid collision with other blas implementations
# ${LIBNAME} and ${PROFNAME} are not defined here, they are in single
# quotes in the following seds. They are later set by defining cmake
# variables with -DPROFNAME etc in src_configure
sed -i \
-e 's:\([^xc]\)blas:\1${LIBNAME}:g' \
-e '/ALL_TARGETS/s:cblas):${LIBNAME}):' \
-e '/_librar/s:cblas:${LIBNAME}:' \
CMakeLists.txt \
CBLAS/src/CMakeLists.txt || die
sed -i \
-e 's:/CMAKE/:/cmake/:g' \
CBLAS/CMakeLists.txt || die
sed -i \
-e '/Name: /s:cblas:@PROFNAME@:' \
-e 's:-lcblas:-l@LIBNAME@:g' \
CBLAS/cblas.pc.in || die
sed -i \
-e 's:cblas):${LIBNAME}):' \
CBLAS/testing/CMakeLists.txt || die
sed -i \
-e 's:BINARY_DIR}/cblas:BINARY_DIR}/${PROFNAME}:' \
-e '/CBLAS_INCLUDE/s:include ):include/${PROFNAME} ):g' \
CBLAS/CMakeLists.txt || die
}
src_configure() {
cblas_configure() {
local FCFLAGS="${FCFLAGS}"
append-fflags $($(tc-getPKG_CONFIG) --cflags ${blas_profname})
append-fflags $(get_abi_CFLAGS)
append-fflags $(numeric-int64_get_fortran_int64_abi_fflags)
local blas_profname=$(numeric-int64_get_blas_alternative)
local profname=$(numeric-int64_get_module_name)
local libname="${profname//-/_}"
local mycmakeargs=(
-Wno-dev
-DCBLAS=ON
-DPROFNAME="${profname}"
-DLIBNAME="${libname}"
-DUSE_OPTIMIZED_BLAS=ON
-DBLAS_LIBRARIES="$($(tc-getPKG_CONFIG) --libs ${blas_profname})"
-DCMAKE_C_FLAGS="$($(tc-getPKG_CONFIG) --cflags ${blas_profname}) ${CFLAGS}"
-DCMAKE_CXX_FLAGS="$($(tc-getPKG_CONFIG) --cflags ${blas_profname}) ${CXXFLAGS}"
-DCMAKE_Fortran_FLAGS="$($(tc-getPKG_CONFIG) --cflags ${blas_profname}) $(get_abi_CFLAGS) $(numeric-int64_get_fortran_int64_abi_fflags) ${FCFLAGS}"
-DLAPACK_PKGCONFIG_FFLAGS="$(numeric-int64_get_fortran_int64_abi_fflags)"
$(cmake-utils_use_build test TESTING)
)
if $(numeric-int64_is_static_build); then
mycmakeargs+=(
-DBUILD_SHARED_LIBS=OFF
-DBUILD_STATIC_LIBS=ON
)
else
mycmakeargs+=(
-DBUILD_SHARED_LIBS=ON
-DBUILD_STATIC_LIBS=OFF
)
fi
cmake-utils_src_configure
}
numeric-int64-multibuild_foreach_all_abi_variants cblas_configure
}
src_compile() {
local each target_dirs=( CBLAS )
use test && target_dirs+=( testing )
for each in ${target_dirs[@]}; do
numeric-int64-multibuild_foreach_all_abi_variants \
cmake-utils_src_compile -C ${each}
done
}
src_test() {
numeric-int64-multibuild_foreach_all_abi_variants cmake-utils_src_test
}
src_install() {
numeric-int64-multibuild_foreach_all_abi_variants cmake-utils_src_install -C CBLAS
numeric-int64-multibuild_install_alternative cblas reference /usr/include/cblas.h refcblas/cblas.h
multilib_install_wrappers
}
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