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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI=5

CMAKE_IN_SOURCE_BUILD=1

inherit cmake-utils toolchain-funcs

DESCRIPTION="Streamlined C++ linear algebra library"
HOMEPAGE="http://arma.sourceforge.net/"
SRC_URI="mirror://sourceforge/arma/${P}.tar.gz"

LICENSE="LGPL-3"
SLOT="0"
KEYWORDS="~amd64 ~arm ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux"
IUSE="blas doc examples lapack"

RDEPEND="
	dev-libs/boost
	blas? ( virtual/blas )
	lapack? ( virtual/lapack )"
DEPEND="${DEPEND}
	virtual/pkgconfig"

src_prepare() {
	# avoid the automagic cmake macros
	sed -i -e '/ARMA_Find/d' CMakeLists.txt || die
}

src_configure() {
	local mycmakeargs=()
	if use blas; then
		mycmakeargs+=(
			-DBLAS_FOUND=ON
			-DBLAS_LIBRARIES="$($(tc-getPKG_CONFIG) --libs blas)"
		)
	fi
	if use lapack; then
		mycmakeargs+=(
			-DLAPACK_FOUND=ON
			-DLAPACK_LIBRARIES="$($(tc-getPKG_CONFIG) --libs lapack)"
		)
	fi
	cmake-utils_src_configure
}

src_install() {
	cmake-utils_src_install
	dodoc README.txt
	use doc && dodoc *pdf && dohtml *html
	if use examples; then
		insinto /usr/share/doc/${PF}
		doins -r examples
	fi
}