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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
inherit toolchain-funcs multilib
DESCRIPTION="machine-learning library, written in simple C++"
HOMEPAGE="http://www.torch.ch/"
SRC_URI="http://www.torch.ch/archives/Torch${PV}src.tgz
doc? ( http://www.torch.ch/archives/Torch3doc.tgz )"
LICENSE="BSD"
SLOT="0"
KEYWORDS="x86 ~amd64"
IUSE="doc debug"
DEPEND=""
S=${WORKDIR}/Torch${PV}
torch_packages="convolutions datasets decoder distributions gradients kernels matrix nonparametrics speech"
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 = -Wall ${CFLAGS} -ffast-math ${extraflags}:" \
Makefile_options_Linux
make depend
emake || die "emake failed"
}
src_install() {
dolib lib/*/*.a
dodir /usr/include/torch
insinto /usr/include/torch
for directory in core ${torch_packages}; do
doins ${directory}/*.h
done
# prepare the options Makefile
sed -i \
-e "s:^LIBS_DIR.*:LIBS_DIR=/usr/$(get_libdir):" \
-e 's|^INCS := .*|INCS := -I /usr/include/torch $(MYINCS)|' \
-e '/^INCS +=/c\\' \
Makefile_options_Linux
dodir /usr/share/${PN}
insinto /usr/share/${PN}
doins Makefile_options_Linux
dodir /usr/share/doc/${PF}
insinto /usr/share/doc/${PF}
cp -pPR examples "${D}"/usr/share/doc/${PF}
cd "${D}"/usr/share/doc/${PF}
sed -i \
-e 's|^TORCHDIR.*|TORCHDIR := /usr/share/torch|' \
-e '/MAKE/c\\' -e '/VERSION_KEY/c\\' \
examples/*/Makefile
for ex in examples/*/Makefile; do
echo -e '\t$(CC) $(CFLAGS_$(MODE)) $(INCS) -o $@ $< $(LIBS)' >> ${ex}
done
if use doc; then
cd "${WORKDIR}"/docs
doins *.pdf
dohtml -r manual/.
fi
}