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# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-physics/lammps/lammps-20140304.ebuild,v 1.1 2014/03/06 15:29:20 nicolasbock Exp $
EAPI=5
inherit eutils fortran-2 multilib
convert_month() {
case $1 in
01) echo Jan
;;
02) echo Feb
;;
03) echo Mar
;;
04) echo Apr
;;
05) echo May
;;
06) echo Jun
;;
07) echo Jul
;;
08) echo Aug
;;
09) echo Sep
;;
10) echo Oct
;;
11) echo Nov
;;
12) echo Dec
;;
*) echo unknown
;;
esac
}
MY_P=${PN}-$((10#${PV:6:2}))$(convert_month ${PV:4:2})${PV:2:2}
DESCRIPTION="Large-scale Atomic/Molecular Massively Parallel Simulator"
HOMEPAGE="http://lammps.sandia.gov/"
SRC_URI="http://lammps.sandia.gov/tars/${MY_P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64"
IUSE="doc examples gzip lammps-memalign lammps-package-voronoi mpi static-libs"
DEPEND="
mpi? ( virtual/mpi )
lammps-package-voronoi? ( sci-libs/voro++ )
"
RDEPEND="${DEPEND}"
S="${WORKDIR}/${MY_P}"
lmp_emake() {
local LAMMPS_INCLUDEFLAGS
LAMMPS_INCLUDEFLAGS="$(usex gzip '-DLAMMPS_GZIP' '')"
LAMMPS_INCLUDEFLAGS+="$(usex lammps-memalign ' -DLAMMPS_MEMALIGN' '')"
# 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') \
"$@"
}
src_prepare() {
# Fix inconsistent use of SHFLAGS.
sed -i -e 's:$(CCFLAGS):$(CCFLAGS) -fPIC:' src/STUBS/Makefile || die
sed -i -e 's:$(F90FLAGS):$(F90FLAGS) -fPIC:' lib/meam/Makefile.gfortran || die
sed -i -e 's:$(F90FLAGS):$(F90FLAGS) -fPIC:' lib/reax/Makefile.gfortran || die
sed -i \
-e 's:voronoi_SYSINC\s\+=.*$:voronoi_SYSINC = -I/usr/include/voro++:' \
-e 's:voronoi_SYSPATH\s\+=.*$:voronoi_SYSPATH =:' \
src/VORONOI/Makefile.lammps || die
# Fix missing .so name.
sed -i \
-e 's:SHLIBFLAGS\s\+=\s\+:SHLIBFLAGS = -Wl,-soname,liblammps.so.0 :' \
src/MAKE/Makefile.serial || die
# Fix makefile in tools.
sed -i \
-e 's:g++:$(CXX) $(CXXFLAGS):' \
-e 's:gcc:$(CC) $(CCFLAGS):' \
-e 's:ifort:$(FC) $(FCFLAGS):' \
tools/Makefile || die
}
src_compile() {
# Compile stubs for serial version.
use mpi || lmp_emake -C src stubs
# Build packages
emake -C src yes-dipole
emake -C src yes-kspace
emake -C src yes-mc
lmp_emake -C src yes-meam
lmp_emake -j1 -C lib/meam -f Makefile.gfortran
emake -C src yes-reax
emake -C src yes-replica
lmp_emake -j1 -C lib/reax -f Makefile.gfortran
emake -C src yes-rigid
emake -C src yes-shock
emake -C src yes-xtc
use lammps-package-voronoi && emake -C src yes-voronoi
if use static-libs; then
# Build static library.
lmp_emake -C src makelib
lmp_emake -C src -f Makefile.lib serial
fi
# Build shared library.
lmp_emake -C src makeshlib
lmp_emake -C src -f Makefile.shlib serial
# Compile main executable.
lmp_emake -C src serial
# Compile tools.
emake -C tools binary2txt
}
src_install() {
use static-libs && newlib.a src/liblammps_serial.a liblammps.a
newlib.so src/liblammps_serial.so liblammps.so.0.0.0
dosym liblammps.so.0.0.0 /usr/$(get_libdir)/liblammps.so
dosym liblammps.so.0.0.0 /usr/$(get_libdir)/liblammps.so.0
newbin src/lmp_serial lmp
dobin tools/binary2txt
# Don't forget to add header files of optional packages as they are added
# to this ebuild. There may also be .mod files from Fortran based
# packages.
insinto "/usr/include/${PN}"
doins -r src/*.h lib/meam/*.mod
local LAMMPS_POTENTIALS="usr/share/${PN}/potentials"
insinto "/${LAMMPS_POTENTIALS}"
doins potentials/*
echo "LAMMPS_POTENTIALS=${EROOT}${LAMMPS_POTENTIALS}" > 99lammps
doenvd 99lammps
if use examples; then
local LAMMPS_EXAMPLES="/usr/share/${PN}/examples"
insinto "${LAMMPS_EXAMPLES}"
doins -r examples/*
fi
dodoc README
if use doc; then
dodoc doc/Manual.pdf
dohtml -r doc/*
fi
}
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