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# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
EAPI=5
FORTRAN_NEEDED="package-meam"
inherit eutils fortran-2
MY_P="${PN}-$(date -d "${PV}" +"%d%b%y")"
DESCRIPTION="Large-scale Atomic/Molecular Massively Parallel Simulator"
HOMEPAGE="http://lammps.sandia.gov/"
SRC_URI="http://lammps.sandia.gov/tars/${MY_P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64"
IUSE="doc examples gzip lammps-memalign mpi package-dipole package-meam package-rigid"
DEPEND="mpi? ( virtual/mpi )"
RDEPEND="${DEPEND}"
S="${WORKDIR}/${MY_P}"
lmp_emake() {
local LAMMPS_INCLUDEFLAGS="$(usex gzip '-DLAMMPS_GZIP' '')"
LAMMPS_INCLUDEFLAGS+="$(usex ' -DLAMMPS_MEMALIGN' '')"
# Note: The lammps makefile uses CC to indicate the C++ compiler.
emake \
ARCHIVE=$(tc-getAR) \
CC=$(usex mpi "mpic++" "$(tc-getCXX)") \
F90=$(usex mpi "mpif90" "$(tc-getFC)") \
LINK=$(usex mpi "mpic++" "$(tc-getCXX)") \
CCFLAGS="${CXXFLAGS}" \
F90FLAGS="${FCFLAGS}" \
LINKFLAGS="${LDFLAGS}" \
LMP_INC="${LAMMPS_INCLUDEFLAGS}" \
MPI_INC=$(usex mpi '' "-I../STUBS") \
MPI_PATH=$(usex mpi '' '-L../STUBS') \
MPI_LIB=$(usex mpi '' '-lmpi_stubs') \
"$@"
}
src_compile() {
# Compile stubs for serial version.
use mpi || lmp_emake -C src stubs
# Build optional packages.
if use package-meam; then
lmp_emake -C src yes-meam
lmp_emake -j1 -C lib/meam -f Makefile.gfortran
fi
use package-dipole && emake -C src yes-dipole
use package-rigid && emake -C src yes-rigid
# Compile.
lmp_emake -C src serial
}
src_install() {
newbin "src/lmp_serial" "lmp"
if use examples; then
insinto "/usr/share/doc/${PF}"
doins -r examples
fi
dodoc README
if use doc; then
dodoc doc/Manual.pdf
dohtml -r doc/*
fi
}
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