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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI=4
inherit eutils multilib toolchain-funcs
DESCRIPTION="Machine-learning library, written in simple C++"
HOMEPAGE="http://www.torch.ch/"
SRC_URI="http://www.torch.ch/archives/Torch${PV%.1}src.tgz
doc? ( http://www.torch.ch/archives/Torch3doc.tgz )"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="debug doc examples"
S=${WORKDIR}/Torch${PV%.1}
TORCH_PACKAGES="convolutions datasets decoder distributions gradients kernels matrix nonparametrics speech"
src_prepare() {
epatch "${FILESDIR}"/${PV}-prll.patch
}
src_compile() {
local shalldebug="OPT"
use debug && shalldebug="DBG"
# -malign-double makes no sense on a 64-bit arch
use amd64 || extraflags="-malign-double"
cp config/Makefile_options_Linux .
sed -i \
-e "s:^PACKAGES.*:PACKAGES = ${TORCH_PACKAGES}:" \
-e "s:^DEBUG.*:DEBUG = ${shalldebug}:" \
-e "s:^CFLAGS_OPT_FLOAT.*:CFLAGS_OPT_FLOAT = ${CXXFLAGS} -ffast-math ${extraflags} -fPIC:" \
-e "s:g++:$(tc-getCXX):g" \
Makefile_options_Linux || die
emake || die "emake failed"
}
src_install() {
dolib.a lib/*/*.a
insinto /usr/include/torch
for directory in core ${TORCH_PACKAGES}; do
doins ${directory}/*.h
done
if use examples; then
insinto /usr/share/doc/${PF}
doins -r examples
fi
use doc && dodoc "${WORKDIR}"/docs/*pdf \
&& dohtml -r "${WORKDIR}"/docs/manual/*
}
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