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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
PYTHON_COMPAT=( python2_7 )
inherit cmake-utils eutils multilib python-any-r1 toolchain-funcs
DESCRIPTION="Nonlinear least-squares minimizer"
HOMEPAGE="http://ceres-solver.org/"
SRC_URI="${HOMEPAGE}/${P}.tar.gz"
LICENSE="BSD"
SLOT="0/1"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="cxsparse doc examples gflags lapack openmp protobuf +schur sparse static-libs test"
REQUIRED_USE="test? ( gflags ) sparse? ( lapack )"
RDEPEND="
dev-cpp/glog[gflags?]
cxsparse? ( sci-libs/cxsparse:0= )
lapack? ( virtual/lapack )
protobuf? ( dev-libs/protobuf )
sparse? (
sci-libs/amd:0=
sci-libs/camd:0=
sci-libs/ccolamd:0=
sci-libs/cholmod:0=
sci-libs/colamd:0=
sci-libs/spqr:0= )"
DEPEND="${RDEPEND}
dev-cpp/eigen:3
doc? ( dev-python/sphinx dev-python/sphinx_rtd_theme )
lapack? ( virtual/pkgconfig )
${PYTHON_DEPS}"
PATCHES=( "${FILESDIR}"/${P}-underlink.patch )
pkg_setup() {
# XXX: this looks like it should be used with BUILD_TYPE!=binary
if use openmp; then
if [[ $(tc-getCXX) == *g++* ]] && ! tc-has-openmp; then
ewarn "OpenMP is not available in your current selected gcc"
die "need openmp capable gcc"
fi
fi
use doc && python-any-r1_pkg_setup
}
src_prepare() {
# search paths work for prefix
sed -i \
-e "s:/usr:${EPREFIX}/usr:g" \
cmake/*.cmake || die
# remove Werror
sed -i \
-e 's/-Werror//g' \
CMakeLists.txt || die
# respect gentoo doc install directory
sed -i \
-e "s:share/doc/ceres:share/doc/${PF}:" \
docs/source/CMakeLists.txt || die
cmake-utils_src_prepare
}
src_configure() {
local mycmakeargs=(
-DBUILD_SHARED_LIBS=ON
-DBUILD_EXAMPLES=OFF
$(cmake-utils_use_enable test TESTING)
$(cmake-utils_use doc BUILD_DOCUMENTATION)
$(cmake-utils_use gflags GFLAGS)
$(cmake-utils_use lapack LAPACK)
$(cmake-utils_use openmp OPENMP)
$(cmake-utils_use protobuf PROTOBUF)
$(cmake-utils_use schur SCHUR_SPECIALIZATIONS)
$(cmake-utils_use cxsparse CXSPARSE)
$(cmake-utils_use sparse SUITESPARSE)
)
cmake-utils_src_configure
}
src_install() {
cmake-utils_src_install
dodoc README VERSION
if use examples; then
insinto /usr/share/doc/${PF}
docompress -x /usr/share/doc/${PF}/examples
doins -r examples data
fi
}
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