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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit cmake-utils flag-o-matic
DESCRIPTION="Fast symbolic manipulation library, written in C++"
HOMEPAGE="https://github.com/sympy/symengine"
SRC_URI="https://github.com/sympy/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
LICENSE="MIT"
SLOT="0/0.3"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="arb benchmarks boost debug doc flint llvm mpc mpfr openmp test tcmalloc threads"
RDEPEND="
dev-libs/gmp:=
sys-libs/binutils-libs:=
arb? ( sci-mathematics/arb:= )
boost? ( dev-libs/boost:= )
mpc? ( dev-libs/mpc:= )
tcmalloc? ( dev-util/google-perftools )
"
DEPEND="${RDEPEND}
doc? ( app-doc/doxygen[dot] )
"
pkg_pretend() {
use openmp && [[ ${MERGE_TYPE} != binary ]] && tc-check-openmp
}
src_prepare() {
cmake-utils_src_prepare
sed -e "s|DESTINATION doc| DESTINATION share/doc/${PF}/html|" \
-e "s|/lib|/$(get_libdir)|g" \
-e "s|lib/|$(get_libdir)/|g" \
-e "/DESTINATION/s|lib|$(get_libdir)|g" \
-i CMakeLists.txt symengine/CMakeLists.txt \
symengine/utilities/teuchos/CMakeLists.txt || die
}
src_configure() {
# not in portage yet: piranha, ecm
local int_class
if use arb || use flint; then
int_class=flint
elif use mpfr; then
int_class=gmpxx
elif use boost; then
int_class=boostmp
else
int_class=gmp
fi
local mycmakeargs=(
-DARB_INCLUDE_DIR="${EPREFIX}/usr/include"
-DINTEGER_CLASS="${int_class}"
-DBUILD_SHARED_LIBS=ON
-DBUILD_BENCHMARKS="$(usex benchmarks)"
-DBUILD_DOXYGEN="$(usex doc)"
-DBUILD_TESTS="$(usex test)"
-DWITH_ARB="$(usex arb)"
-DWITH_BFD="$(usex debug)"
-DWITH_SYMENGINE_ASSERT="$(usex debug)"
-DWITH_SYMENGINE_THREAD_SAFE="$(usex threads)"
-DWITH_FLINT="$(usex flint)"
-DWITH_OPENMP="$(usex openmp)"
-DWITH_MPFR="$(usex mpfr)"
-DWITH_MPC="$(usex mpc)"
-DWITH_LLVM="$(usex llvm)"
-DWITH_PTHREAD="$(usex threads)"
-DWITH_TCMALLOC="$(usex tcmalloc)"
)
test-flag-CXX -std=c++11 && append-cxxflags -std=c++11
CMAKE_BUILD_TYPE=Release cmake-utils_src_configure
}
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