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+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=5
+
+inherit multilib toolchain-funcs
+
+DESCRIPTION="A Library for Large Linear Classification"
+HOMEPAGE="http://www.csie.ntu.edu.tw/~cjlin/liblinear/ https://github.com/cjlin1/liblinear"
+SRC_URI="https://github.com/cjlin1/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0/3"
+KEYWORDS="alpha amd64 arm ~arm64 hppa ia64 ~mips ppc ppc64 ~s390 ~sh sparc x86"
+IUSE="blas"
+
+RDEPEND="
+ blas? ( virtual/blas )
+"
+DEPEND="
+ ${RDEPEND}
+ blas? ( virtual/pkgconfig )
+"
+
+src_prepare() {
+ sed -i \
+ -e '/^AR/s|=|?=|g' \
+ -e '/^RANLIB/s|=|?=|g' \
+ -e '/^CFLAGS/d;/^CXXFLAGS/d' \
+ blas/Makefile || die
+ sed -i \
+ -e 's|make|$(MAKE)|g' \
+ -e '/$(LIBS)/s|$(CFLAGS)|& $(LDFLAGS)|g' \
+ -e '/^CFLAGS/d;/^CXXFLAGS/d' \
+ -e 's|$${SHARED_LIB_FLAG}|& $(LDFLAGS)|g' \
+ Makefile || die
+ if use blas; then
+ sed -i -e 's:blas/blas.a::g' Makefile || die
+ fi
+}
+
+src_compile() {
+ emake \
+ CC="$(tc-getCC)" \
+ CXX="$(tc-getCXX)" \
+ CFLAGS="${CFLAGS} -fPIC" \
+ CXXFLAGS="${CXXFLAGS} -fPIC" \
+ AR="$(tc-getAR) rcv" \
+ RANLIB="$(tc-getRANLIB)" \
+ LIBS="$(usex blas "$( $(tc-getPKG_CONFIG) --libs blas )" blas/blas.a)" \
+ lib all
+}
+
+src_install() {
+ dolib ${PN}.so.3
+ dosym ${PN}.so.3 /usr/$(get_libdir)/${PN}.so
+
+ newbin predict ${PN}-predict
+ newbin train ${PN}-train
+
+ doheader linear.h
+
+ dodoc README
+}