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# Copyright 1999-2010 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id$
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inherit toolchain-funcs multilib
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DESCRIPTION="machine-learning library, written in simple C++"
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HOMEPAGE="http://www.torch.ch/"
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SRC_URI="http://www.torch.ch/archives/Torch${PV}src.tgz
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doc? ( http://www.torch.ch/archives/Torch3doc.tgz )"
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LICENSE="BSD"
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SLOT="0"
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KEYWORDS="x86 ~amd64"
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IUSE="doc debug"
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DEPEND=""
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S=${WORKDIR}/Torch${PV}
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torch_packages="convolutions datasets decoder distributions gradients kernels matrix nonparametrics speech"
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src_compile() {
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local shalldebug="OPT"
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use debug && shalldebug="DBG"
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# -malign-double makes no sense on a 64-bit arch
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use amd64 || extraflags="-malign-double"
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cp config/Makefile_options_Linux .
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sed -i \
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-e "s:^PACKAGES.*:PACKAGES = ${torch_packages}:" \
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-e "s:^DEBUG.*:DEBUG = ${shalldebug}:" \
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-e "s:^CFLAGS_OPT_FLOAT.*:CFLAGS_OPT_FLOAT = -Wall ${CFLAGS} -ffast-math ${extraflags}:" \
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Makefile_options_Linux
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make depend
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emake || die "emake failed"
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}
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src_install() {
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dolib lib/*/*.a
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dodir /usr/include/torch
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insinto /usr/include/torch
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for directory in core ${torch_packages}; do
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doins ${directory}/*.h
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done
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# prepare the options Makefile
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sed -i \
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-e "s:^LIBS_DIR.*:LIBS_DIR=/usr/$(get_libdir):" \
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-e 's|^INCS := .*|INCS := -I /usr/include/torch $(MYINCS)|' \
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-e '/^INCS +=/c\\' \
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Makefile_options_Linux
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dodir /usr/share/${PN}
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insinto /usr/share/${PN}
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doins Makefile_options_Linux
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dodir /usr/share/doc/${PF}
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insinto /usr/share/doc/${PF}
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cp -pPR examples "${D}"/usr/share/doc/${PF}
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cd "${D}"/usr/share/doc/${PF}
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sed -i \
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-e 's|^TORCHDIR.*|TORCHDIR := /usr/share/torch|' \
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-e '/MAKE/c\\' -e '/VERSION_KEY/c\\' \
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examples/*/Makefile
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for ex in examples/*/Makefile; do
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echo -e '\t$(CC) $(CFLAGS_$(MODE)) $(INCS) -o $@ $< $(LIBS)' >> ${ex}
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done
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if use doc; then
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cd "${WORKDIR}"/docs
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doins *.pdf
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dohtml -r manual/.
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fi
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}
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