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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python3_6 )
inherit flag-o-matic java-pkg-opt-2 python-r1 toolchain-funcs
DESCRIPTION="Library for Support Vector Machines"
HOMEPAGE="https://www.csie.ntu.edu.tw/~cjlin/libsvm/"
SRC_URI="https://www.csie.ntu.edu.tw/~cjlin/libsvm/${P}.tar.gz"
LICENSE="BSD"
SLOT="0/2"
KEYWORDS="amd64 ppc ppc64 x86 ~amd64-linux ~x86-linux"
IUSE="java openmp python tools"
REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
DEPEND="
java? ( >=virtual/jdk-1.4 )
python? ( ${PYTHON_DEPS} )"
RDEPEND="
java? ( >=virtual/jre-1.4 )
python? ( ${PYTHON_DEPS} )
tools? ( sci-visualization/gnuplot )"
PATCHES=(
"${FILESDIR}/3.11-openmp.patch"
"${FILESDIR}/3.14-makefile.patch"
)
pkg_setup() {
if use openmp; then
if ! tc-has-openmp; then
ewarn "OpenMP is not supported by your currently selected compiler"
if tc-is-clang; then
ewarn "OpenMP support in sys-devel/clang is provided by sys-libs/libomp,"
ewarn "which you will need to build ${CATEGORY}/${PN} for USE=\"openmp\""
fi
die "need openmp capable compiler"
fi
append-cflags -fopenmp
append-cxxflags -fopenmp
append-cppflags -DOPENMP
fi
}
src_prepare() {
default
sed -i -e "s@\.\./@${EPREFIX}/usr/bin/@g" tools/*.py \
|| die "Failed to fix paths in python files"
sed -i -e "s|./grid.py|${EPREFIX}/usr/bin/svm-grid|g" tools/*.py \
|| die "Failed to fix paths for svm-grid"
sed -i -e 's/grid.py/svm-grid/g' tools/grid.py \
|| die "Failed to rename grid.py to svm-grid"
if use java; then
local JAVAC_FLAGS="$(java-pkg_javac-args)"
sed -i \
-e "s/JAVAC_FLAGS =/JAVAC_FLAGS=${JAVAC_FLAGS}/g" \
java/Makefile || die "Failed to fix java makefile"
fi
tc-export CXX CC
}
src_compile() {
default
use java && emake -C java
}
src_install() {
dobin svm-train svm-predict svm-scale
dolib.so *.so*
doheader svm.h
DOCS=( README )
if use tools; then
local t
for t in tools/*.py; do
python_foreach_impl python_newscript ${t} svm-$(basename ${t} .py)
done
mv tools/README{,.tools} || die
DOCS+=( tools/README.tools )
insinto /usr/share/doc/${PF}/examples
docompress -x /usr/share/doc/${PF}/examples
doins heart_scale
doins -r svm-toy
fi
if use python ; then
installation() {
touch python/__init__.py || die
python_moduleinto libsvm
python_domodule python/*.py
}
python_foreach_impl installation
mv python/README{,.python} || die
DOCS+=( python/README.python )
fi
HTML_DOCS=( FAQ.html )
if use java; then
java-pkg_dojar java/libsvm.jar
HTML_DOCS+=( java/test_applet.html )
fi
einstalldocs
}
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