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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI=5
inherit cmake-utils
GTEST_PV="1.7.0"
DESCRIPTION="A general purpose GPU library."
HOMEPAGE="http://www.arrayfire.com/"
SRC_URI="http://arrayfire.com/arrayfire_source/${PN}-full-${PV}.tar.bz2 -> ${P}.tar.bz2
test? ( https://googletest.googlecode.com/files/gtest-${GTEST_PV}.zip )"
KEYWORDS="~amd64"
LICENSE="BSD"
SLOT="0"
IUSE="+examples +cpu cuda opencl test"
RDEPEND="
>=sys-devel/gcc-4.7:*
media-libs/freeimage
cuda? (
>=dev-util/nvidia-cuda-toolkit-7.5
dev-libs/boost
)
cpu? (
virtual/blas
virtual/cblas
virtual/lapacke
sci-libs/fftw:3.0
)
opencl? (
virtual/blas
virtual/cblas
virtual/lapacke
dev-libs/boost
dev-libs/boost-compute
>=sci-libs/clblas-2.4
>=sci-libs/clfft-2.6.1
)"
DEPEND="${RDEPEND}"
S="${WORKDIR}/${PN}"
BUILD_DIR="${S}/build"
CMAKE_BUILD_TYPE=Release
# We need write acccess /dev/nvidiactl, /dev/nvidia0 and /dev/nvidia-uvm and the portage
# user is (usually) not in the video group
RESTRICT="userpriv"
pkg_pretend() {
if [[ ${MERGE_TYPE} != binary ]]; then
if [[ $(gcc-major-version) -lt 4 ]] || ( [[ $(gcc-major-version) -eq 4 && $(gcc-minor-version) -lt 7 ]] ) ; then
die "Compilation with gcc older than 4.7 is not supported."
fi
fi
}
src_unpack() {
default
if use test; then
mkdir -p "${BUILD_DIR}"/third_party/src/ || die
mv "${WORKDIR}"/gtest-"${GTEST_PV}" "${BUILD_DIR}"/third_party/src/googletest || die
fi
}
src_configure() {
if use cuda; then
addwrite /dev/nvidiactl
addwrite /dev/nvidia0
addwrite /dev/nvidia-uvm
fi
local mycmakeargs=(
$(cmake-utils_use_build cpu CPU)
$(cmake-utils_use_build cuda CUDA)
$(cmake-utils_use_build opencl OPENCL)
$(cmake-utils_use_build examples EXAMPLES)
$(cmake-utils_use_build test TEST)
-DUSE_SYSTEM_BOOST_COMPUTE=ON
-DUSE_SYSTEM_CLBLAS=ON
-DUSE_SYSTEM_CLFFT=ON
-DBUILD_GRAPHICS=OFF
)
cmake-utils_src_configure
}
src_install() {
cmake-utils_src_install
dobin "${BUILD_DIR}/bin2cpp"
}
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