1 files changed, 109 insertions, 0 deletions
diff --git a/sci-libs/flann/flann-1.8.4-r1.ebuild b/sci-libs/flann/flann-1.8.4-r1.ebuild
new file mode 100644
index 000000000000..31ff4c5f1797
--- /dev/null
+++ b/sci-libs/flann/flann-1.8.4-r1.ebuild
@@ -0,0 +1,109 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+inherit cmake-utils cuda eutils multilib toolchain-funcs
+
+DESCRIPTION="Library for performing fast approximate nearest neighbor searches in high dimensional spaces"
+HOMEPAGE="http://www.cs.ubc.ca/research/flann/"
+SRC_URI="
+	http://people.cs.ubc.ca/~mariusm/uploads/FLANN/${P}-src.zip
+	test? ( http://dev.gentoo.org/~bicatali/distfiles/${P}-testdata.tar.xz )"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="amd64 ~arm ~ppc x86 ~amd64-linux ~x86-linux"
+IUSE="cuda doc examples mpi openmp octave static-libs test"
+
+RDEPEND="
+	cuda? ( >=dev-util/nvidia-cuda-toolkit-5.5 )
+	mpi? (
+		sci-libs/hdf5[mpi]
+		dev-libs/boost[mpi]
+	)
+	!mpi? ( !sci-libs/hdf5[mpi] )
+	octave? ( >=sci-mathematics/octave-3.6.4-r1 )"
+DEPEND="${RDEPEND}
+	app-arch/unzip
+	doc? ( dev-tex/latex2html )
+	test? (
+		dev-cpp/gtest
+		cuda? ( sci-libs/hdf5 )
+	)
+"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-examples.patch
+	"${FILESDIR}"/${P}-options.patch
+	"${FILESDIR}"/${P}-CUDA_NVCC_FLAGS.patch
+	"${FILESDIR}"/${P}-cuda5.5.patch
+	"${FILESDIR}"/${P}-multilib.patch
+	"${FILESDIR}"/${P}-docdir.patch
+)
+
+S="${WORKDIR}"/${P}-src
+
+pkg_setup() {
+	if use openmp; then
+		if [[ $(tc-getCC) == *gcc ]] && ! tc-has-openmp ; then
+			ewarn "OpenMP is not available in your current selected gcc"
+			die "need openmp capable gcc"
+		fi
+	fi
+}
+
+src_prepare() {
+	# bug #302621
+	use mpi && export CXX=mpicxx
+	# produce pure octave files
+	# octave gentoo installation for .m files respected
+	sed -i \
+		-e 's/--mex//' \
+		-e 's/\.mex/\.oct/' \
+		-e '/FILES/s/${MEX_FILE}//' \
+		-e 's:share/flann/octave:share/octave/site/m:' \
+		-e "/CUSTOM_TARGET/a\INSTALL(FILES \${MEX_FILE} DESTINATION libexec/octave/site/oct/${CHOST})" \
+		src/matlab/CMakeLists.txt || die
+	use cuda && cuda_src_prepare
+
+	cmake-utils_src_prepare
+}
+
+src_configure() {
+	# python bindings are split
+	local mycmakeargs=(
+		-DBUILD_C_BINDINGS=ON
+		-DBUILD_PYTHON_BINDINGS=OFF
+		-DPYTHON_EXECUTABLE=
+		-DDOCDIR=share/doc/${PF}
+		$(cmake-utils_use_build cuda CUDA_LIB)
+		$(cmake-utils_use_build examples)
+		$(cmake-utils_use_build doc)
+		$(cmake-utils_use_build test TESTS)
+		$(cmake-utils_use_build octave MATLAB_BINDINGS)
+		$(cmake-utils_use_use mpi)
+		$(cmake-utils_use_use openmp)
+	)
+	use cuda && \
+		mycmakeargs+=(
+		-DCUDA_NVCC_FLAGS="${NVCCFLAGS},-arsch"
+		)
+	cmake-utils_src_configure
+}
+
+src_test() {
+	ln -s "${WORKDIR}"/testdata/* test/ || die
+	# -j1 to avoid obversubscribing jobs
+	LD_LIBRARY_PATH="${BUILD_DIR}/lib" \
+		cmake-utils_src_compile -j1 test
+}
+
+src_install() {
+	cmake-utils_src_install
+	dodoc README.md
+	if ! use static-libs; then
+		find "${ED}" -name 'lib*.a' -exec rm -rf '{}' '+' || die
+	fi
+}