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# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=4
inherit eutils multilib
DESCRIPTION="Portable Implementation of the Linpack Benchmark for Distributed-Memory Clusters"
HOMEPAGE="http://www.netlib.org/benchmark/hpl/"
SRC_URI="http://www.netlib.org/benchmark/hpl/hpl-${PV}.tar.gz"
SLOT="0"
LICENSE="HPL"
KEYWORDS="~amd64 ~x86"
IUSE="doc"
RDEPEND="
virtual/blas
virtual/lapack
virtual/mpi"
DEPEND="${DEPEND}
virtual/pkgconfig"
src_prepare() {
local a=""
local locallib="${EPREFIX}/usr/$(get_libdir)/lib"
local localblas="$(for i in $($(tc-getPKG_CONFIG) --libs-only-l blas lapack);do a="${a} ${i/-l/${locallib}}.so "; done; echo ${a})"
cp setup/Make.Linux_PII_FBLAS Make.gentoo_hpl_fblas_x86 || die
sed -i \
-e "/^TOPdir/s,= .*,= ${S}," \
-e '/^HPL_OPTS\>/s,=,= -DHPL_DETAILED_TIMING -DHPL_COPY_L,' \
-e '/^ARCH\>/s,= .*,= gentoo_hpl_fblas_x86,' \
-e '/^MPdir\>/s,= .*,=,' \
-e '/^MPlib\>/s,= .*,=,' \
-e "/^LAlib\>/s,= .*,= ${localblas}," \
-e '/^LINKER\>/s,= .*,= mpicc,' \
-e '/^CC\>/s,= .*,= mpicc,' \
-e '/^CCFLAGS\>/s|= .*|= $(HPL_DEFS) ${CFLAGS}|' \
-e "/^LINKFLAGS\>/s|= .*|= ${LDFLAGS}|" \
Make.gentoo_hpl_fblas_x86 || die
}
src_compile() {
# parallel make failure bug #321539
HOME=${WORKDIR} emake -j1 arch=gentoo_hpl_fblas_x86
}
src_install() {
dobin bin/gentoo_hpl_fblas_x86/xhpl
dolib lib/gentoo_hpl_fblas_x86/libhpl.a
dodoc INSTALL BUGS COPYRIGHT HISTORY README TUNING \
bin/gentoo_hpl_fblas_x86/HPL.dat
doman man/man3/*.3
if use doc; then
dohtml -r www/*
fi
}
pkg_postinst() {
einfo "Remember to copy /usr/share/hpl/HPL.dat to your working directory"
einfo "before running xhpl. Typically one may run hpl by executing:"
einfo "\"mpiexec -np 4 /usr/bin/xhpl\""
einfo "where -np specifies the number of processes."
}
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