sci-libs/acml/acml-3.6.0-r1.ebuild


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# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/acml/acml-3.6.0-r1.ebuild,v 1.13 2011/06/21 15:55:47 jlec Exp $

inherit eutils fortran-2 toolchain-funcs

MY_PV=${PV//\./\-}

DESCRIPTION="AMD Core Math Library (ACML) for x86 and amd64 CPUs"
HOMEPAGE="http://developer.amd.com/acml.jsp"
SRC_URI="
	amd64? (
		ifc?			( acml-${MY_PV}-ifort-64bit.tgz )
	   !ifc? (
			openmp? 	( acml-${MY_PV}-ifort-64bit.tgz )
			!openmp?	( acml-${MY_PV}-gnu-64bit.tgz ) )
		openmp?			( acml-${MY_PV}-ifort-64bit.tgz )
			)
	x86? (
		ifc? 			( acml-${MY_PV}-ifort-32bit.tgz )
		!ifc? (
			openmp?		( acml-${MY_PV}-ifort-32bit.tgz )
			!openmp?	( acml-${MY_PV}-gnu-32bit.tgz ) )
		openmp?			( acml-${MY_PV}-ifort-32bit.tgz )
		)"

SLOT="0"
LICENSE="ACML"
KEYWORDS="~amd64 ~x86"
IUSE="openmp ifc doc examples"

RESTRICT="strip fetch"

DEPEND="
	virtual/fortran
	app-admin/eselect-blas
	app-admin/eselect-lapack"
RDEPEND="${DEPEND}
	doc? ( app-doc/blas-docs app-doc/lapack-docs )"

S="${WORKDIR}"

pkg_nofetch() {
	einfo "Please download the ACML from:"
	einfo "${HOMEPAGE}"
	einfo "and place it in ${DISTDIR}."
	einfo "The previous versions could be found at"
	einfo "http://developer.amd.com/acmlarchive.jsp"
	einfo "SRC=${A} $SRC_URI"
}

get_fcomp() {
	case $(tc-getFC) in
		*gfortran* )
			FCOMP="gfortran" ;;
		ifort )
			FCOMP="ifc" ;;
		* )
			FCOMP=$(tc-getFC) ;;
	esac
}

pkg_setup() {
	elog "From version 3.5.0 on, ACML no longer supports"
	elog "hardware without SSE/SSE2 instructions. "
	elog "For older 32-bit without SSE/SSE2, use other blas/lapack libraries,"
	elog "or file a bug if you wish to have earlier ACML versions supported."
	epause
	FORTRAN=ifc
	FORT=ifort
	! use ifc && ! use openmp && FORTRAN=g77 && FORT=gnu
	if use openmp; then
		tc-has-openmp || die "Please ensure your compiler has openmp support"
		FORTRAN_NEED_OPENMP=1
	fi
	fortran-2_pkg_setup
	get_fcomp
}

src_unpack() {
	unpack ${A}
	(DISTDIR="${S}" unpack contents-acml-*.tgz)
	use openmp || rm -rf ${FORT}*_mp*
	FORTDIRS="$(ls -d ${FORT}*)"
}

src_test() {
	for fort in ${FORTDIRS}; do
		einfo "Testing acml for $(basename ${fort})"
		cd "${S}"/${fort}/examples
		for d in . acml_mv; do
			cd "${S}"/${fort}/examples/${d}
			emake \
				ACMLDIR="${S}"/${fort} \
				F77=$(tc-getFC) \
				CC="$(tc-getCC)" \
				CPLUSPLUS="$(tc-getCXX)" \
				|| die "emake test in ${fort}/examples/${d} failed"
			emake clean
		done
	done
}

src_install() {
	# respect acml default install dir (and FHS)
	local instdir=/opt/${PN}${PV}
	dodir ${instdir}

	for fort in ${FORTDIRS}; do
		# install acml
		use examples || rm -rf "${S}"/${fort}/examples
		cp -pPR "${S}/${fort}" "${D}"${instdir} || die "copy ${fort} failed"

		# install profiles
		ESELECT_PROF=acml-${FCOMP}
		local acmldir=${instdir}/${fort}
		local acmllibs="-lacml -lacml_mv"
		local libname=${acmldir}/lib/libacml
		local extlibs
		local extflags
		[[ ${fort} =~ g77 ]] && extlibs="${extlibs} -lg2c"
		if [[ ${fort} =~ _mp ]]; then
			ESELECT_PROF=${ESELECT_PROF}-openmp
			extlibs="${extlibs} -lpthread"
			acmllibs="-lacml_mp -lacml_mv"
			libname=${libname}_mp
			extflags="${extflags} -openmp"
		fi
		for l in blas lapack; do
			# pkgconfig files
			sed -e "s:@LIBDIR@:$(get_libdir):" \
				-e "s:@PV@:${PV}:" \
				-e "s:@ACMLDIR@:${acmldir}:g" \
				-e "s:@ACMLLIBS@:${acmllibs}:g" \
				-e "s:@EXTLIBS@:${extlibs}:g" \
				-e "s:@EXTFLAGS@:${extflags}:g" \
				"${FILESDIR}"/${l}.pc.in > ${l}.pc \
				|| die "sed ${l}.pc failed"
			insinto ${acmldir}/lib
			doins ${l}.pc || die "doins ${l}.pc failed"

			# eselect files
			cat > eselect.${l} <<-EOF
				${libname}.so /usr/@LIBDIR@/lib${l}.so.0
				${libname}.so /usr/@LIBDIR@/lib${l}.so
				${libname}.a /usr/@LIBDIR@/lib${l}.a
				${acmldir}/lib/${l}.pc  /usr/@LIBDIR@/pkgconfig/${l}.pc
			EOF
			eselect ${l} add $(get_libdir) eselect.${l} ${ESELECT_PROF}
		done
		echo "LDPATH=${instdir}/${fort}/lib" > 35acml
	done

	doenvd 35acml || die "doenvd failed"

	use doc || rm -rf "${S}"/Doc/acml.pdf "${S}"/Doc/html
	cp -pPR "${S}"/Doc "${D}"${instdir} || die "copy doc failed"
}

pkg_postinst() {
	for p in blas lapack; do
		local current_lib=$(eselect ${p} show | cut -d' ' -f2)
		if [[ ${current_lib} == ${ESELECT_PROF} || -z ${current_lib} ]]; then
		# work around eselect bug #189942
			local configfile="${ROOT}"/etc/env.d/${p}/$(get_libdir)/config
			[[ -e ${configfile} ]] && rm -f ${configfile}
			eselect ${p} set ${ESELECT_PROF}
			elog "${p} has been eselected to ${ESELECT_PROF}"
		else
			elog "Current eselected ${p} is ${current_lib}"
			elog "To use ${p} ${ESELECT_PROF} implementation, you have to issue (as root):"
			elog "\t eselect ${p} set ${ESELECT_PROF}"
		fi
	done
}