1 files changed, 71 insertions, 0 deletions
diff --git a/sci-libs/torch/torch-3.ebuild b/sci-libs/torch/torch-3.ebuild
new file mode 100644
index 000000000000..e7cf73a0ef11
--- /dev/null
+++ b/sci-libs/torch/torch-3.ebuild
@@ -0,0 +1,71 @@
+# 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
+}