# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/shogun/shogun-3.2.0.ebuild,v 1.3 2015/01/27 14:41:32 jlec Exp $

EAPI=5

PYTHON_COMPAT=( python2_7 python3_{3,4} )

inherit cmake-utils multilib python-single-r1 toolchain-funcs versionator

MYPV=$(get_version_component_range 1-2)
MYPD=${PN}-data-0.8

DESCRIPTION="Large Scale Machine Learning Toolbox"
HOMEPAGE="http://shogun-toolbox.org/"
SRC_URI="
	ftp://shogun-toolbox.org/shogun/releases/${MYPV}/sources/${P}.tar.bz2
	test? ( ftp://shogun-toolbox.org/shogun/data/${MYPD}.tar.bz2 )
	examples? ( ftp://shogun-toolbox.org/shogun/data/${MYPD}.tar.bz2 )"

LICENSE="GPL-3 free-noncomm"
SLOT="0/16"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="doc examples lua mono octave python R ruby static-libs test"

REQUIRED_USE="
	python? ( ${PYTHON_REQUIRED_USE} )
	test? ( python )
	"

RDEPEND="
	app-arch/bzip2:=
	app-arch/gzip:=
	app-arch/lzma:=
	app-arch/snappy:=
	dev-libs/lzo:=
	>=dev-cpp/eigen-3.1
	dev-libs/json-c:=
	dev-libs/libxml2:=
	dev-libs/protobuf:=
	net-misc/curl:=
	sci-libs/arpack:=
	sci-libs/arprec:=
	sci-libs/colpack:=
	sci-libs/hdf5:=
	sci-libs/nlopt:=
	sci-mathematics/glpk:=
	sci-mathematics/lpsolve:=
	sys-libs/readline
	sys-libs/zlib:=
	virtual/blas
	virtual/cblas
	virtual/lapack
	lua? ( dev-lang/lua )
	mono? ( dev-lang/mono )
	octave? ( sci-mathematics/octave[hdf5] )
	python? ( dev-python/numpy[${PYTHON_USEDEP}] )
	R? ( dev-lang/R )
	ruby? ( dev-ruby/narray )"

DEPEND="${RDEPEND}
	virtual/pkgconfig
	doc? ( app-doc/doxygen[dot] )
	lua? ( >=dev-lang/swig-2.0.4 )
	mono? ( >=dev-lang/swig-2.0.4 )
	octave? ( >=dev-lang/swig-2.0.4 )
	python? ( >=dev-lang/swig-2.0.4 test? ( sci-libs/scipy ) )
	R? ( >=dev-lang/swig-2.0.4 )
	ruby? ( >=dev-lang/swig-2.0.4 )
	test? (
		dev-python/jinja[${PYTHON_USEDEP}]
		dev-cpp/gmock
		)"

# javamodular needs jblas (painful to package properly)
# permodular work in progress (as 3.2.0)
# could actually support multiple pythons, multiple rubys
# feel free to do work for it

PATCHES=(
	"${FILESDIR}"/${P}-atlas.patch
)

pkg_setup() {
	use python && python-single-r1_pkg_setup
}

src_configure() {
	export ATLAS_LIBRARY="$($(tc-getPKG_CONFIG) --libs cblas lapack)"
	export CBLAS_LIBRARY="$($(tc-getPKG_CONFIG) --libs cblas)"
	export ATLAS_LIBRARIES="$($(tc-getPKG_CONFIG) --libs blas cblas lapack)"
	export LAPACK_LIBRARIES="$($(tc-getPKG_CONFIG) --libs lapack)"
	local mycmakeargs=(
		-DBUILD_EXAMPLES=OFF
		-DBUNDLE_ARPREC=OFF
		-DBUNDLE_COLPACK=OFF
		-DBUNDLE_EIGEN=OFF
		-DBUNDLE_JSON=OFF
		-DBUNDLE_NLOPT=OFF
		-DENABLE_COVERAGE=OFF
		-DJavaModular=OFF
		-DPerlModular=OFF
		-DLIB_INSTALL_DIR=$(get_libdir)
		$(cmake-utils_use lua LuaModular)
		$(cmake-utils_use mono CSharpModular)
		$(cmake-utils_use octave OctaveModular)
		$(cmake-utils_use octave OctaveStatic)
		$(cmake-utils_use python PythonModular)
		$(cmake-utils_use python PythonStatic)
		$(cmake-utils_use R RModular)
		$(cmake-utils_use R RStatic)
		$(cmake-utils_use ruby RubyModular)
		$(cmake-utils_use test ENABLE_TESTING)
	)
	cmake-utils_src_configure
	# gentoo bug #302621
	has_version sci-libs/hdf5[mpi] && export CXX=mpicxx CC=mpicc
}

src_compile() {
	cmake-utils_src_compile
	use doc && emake -C doc
}

src_install() {
	cmake-utils_src_install
	use doc && dohtml -r doc/html/*
	if use examples; then
		insinto /usr/share/doc/${PF}
		emake -C examples clean
		doins -r examples
		docompress -x /usr/share/doc/${PF}/examples
		insinto /usr/share/doc/${PF}/data
		doins -r "${WORKDIR}"/${MYPD}/*

	fi
}