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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
FORTRAN_NEEDED="test"
inherit cmake-utils cuda fortran-2
DESCRIPTION="C++ template library for linear algebra"
HOMEPAGE="http://eigen.tuxfamily.org/"
SRC_URI="https://bitbucket.org/eigen/eigen/get/${PV}.tar.bz2 -> ${P}.tar.bz2"
LICENSE="LGPL-2 GPL-3"
SLOT="3"
KEYWORDS="~alpha ~amd64 ~arm ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux"
IUSE="altivec c++11 cuda debug doc neon openmp test" #zvector vsx
IUSE_CPU_FLAGS=" avx avx2 f16c fma3 sse2 sse3 sse4_1 sse4_2 ssse3" #x87
IUSE+=" ${IUSE_CPU_FLAGS// / cpu_flags_x86_}"
RDEPEND="!dev-cpp/eigen:0"
DEPEND="
doc? ( app-doc/doxygen[dot,latex] )
test? (
dev-libs/gmp:0
dev-libs/mpfr:0
media-libs/freeglut
media-libs/glew
sci-libs/adolc
sci-libs/cholmod
sci-libs/fftw:3.0
sci-libs/pastix
sci-libs/umfpack
sci-libs/scotch
sci-libs/spqr
sci-libs/superlu
dev-qt/qtcore:4
virtual/opengl
virtual/pkgconfig
cuda? ( dev-util/nvidia-cuda-toolkit )
)
"
# Missing:
# METIS-5
# GOOGLEHASH
src_unpack() {
default
mv ${PN}* ${P} || die
}
src_prepare() {
sed \
-e 's:-g2::g' \
-i cmake/EigenConfigureTesting.cmake || die
sed -i CMakeLists.txt \
-e "/add_subdirectory(demos/d" \
|| die "sed disable unused bundles failed"
if ! use test; then
sed -i CMakeLists.txt \
-e "/add_subdirectory(test/d" \
|| die "sed disable tests failed"
sed -i CMakeLists.txt \
-e "/add_subdirectory(blas/d" \
-e "/add_subdirectory(lapack/d" \
|| die "sed disable unused bundles failed"
fi
sed -i -e "/Unknown build type/d" CMakeLists.txt || die
use cuda && cuda_src_prepare
cmake-utils_src_prepare
}
src_compile() {
cmake-utils_src_compile
use doc && cmake-utils_src_compile doc
}
src_test() {
local mycmakeargs=(
-DEIGEN_TEST_ALTIVEC="$(usex altivec)"
-DEIGEN_TEST_CXX11="$(usex c++11)"
-DEIGEN_TEST_CUDA="$(usex cuda)"
-DEIGEN_TEST_OPENMP="$(usex openmp)"
-DEIGEN_TEST_AVX="$(usex cpu_flags_x86_avx)"
-DEIGEN_TEST_AVX512="$(usex cpu_flags_x86_avx2)"
-DEIGEN_TEST_F16C="$(usex cpu_flags_x86_f16c)"
-DEIGEN_TEST_FMA="$(usex cpu_flags_x86_fma3)"
-DEIGEN_TEST_SSE3="$(usex cpu_flags_x86_sse3)"
-DEIGEN_TEST_SSE4_1="$(usex cpu_flags_x86_sse4_1)"
-DEIGEN_TEST_SSE4_2="$(usex cpu_flags_x86_sse4_2)"
-DEIGEN_TEST_SSSE3="$(usex cpu_flags_x86_ssse3)"
-DEIGEN_TEST_NEON64="$(usex neon)"
# -DEIGEN_TEST_X87="$(usex cpu_flags_x86_x87)"
)
cmake-utils_src_configure
cmake-utils_src_compile blas
cmake-utils_src_compile buildtests
cmake-utils_src_test
}
src_install() {
cmake-utils_src_install
use doc && dodoc -r "${BUILD_DIR}"/doc/html
# Debian installs it and some projects started using it.
insinto /usr/share/cmake/Modules/
doins "${S}/cmake/FindEigen3.cmake"
}
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