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#!/usr/bin/env python
"""
Install.py tool to do a generic build of a library
soft linked to by many of the lib/Install.py files
used to automate the steps described in the corresponding lib/README
"""
from __future__ import print_function
import sys, os, subprocess
from argparse import ArgumentParser
sys.path.append('..')
from install_helpers import get_cpus, fullpath
parser = ArgumentParser(prog='Install.py',
description="LAMMPS library build wrapper script")
HELP = """
Syntax from src dir: make lib-libname args="-m machine -e suffix"
Syntax from lib dir: python Install.py -m machine -e suffix
libname = name of lib dir (e.g. atc, h5md, meam, poems, etc)
specify -m and optionally -e, order does not matter
Examples:
make lib-poems args="-m serial" # build POEMS lib with same settings as in the serial Makefile in src
make lib-colvars args="-m mpi" # build COLVARS lib with same settings as in the mpi Makefile in src
make lib-meam args="-m ifort" # build MEAM lib with custom Makefile.ifort (using Intel Fortran)
"""
# parse and process arguments
parser.add_argument("-m", "--machine",
help="suffix of a <libname>/Makefile.* file used for compiling this library")
parser.add_argument("-e", "--extramake",
help="set EXTRAMAKE variable in <libname>/Makefile.<machine> to Makefile.lammps.<extramake>")
args = parser.parse_args()
# print help message and exit, if neither build nor path options are given
if not args.machine and not args.extramake:
parser.print_help()
sys.exit(HELP)
machine = args.machine
extraflag = args.extramake
if extraflag:
suffix = args.extramake
else:
suffix = 'empty'
# set lib from working dir
cwd = fullpath('.')
lib = os.path.basename(cwd)
# create Makefile.auto as copy of Makefile.machine
# reset EXTRAMAKE if requested
if not os.path.exists("Makefile.%s" % machine):
sys.exit("lib/%s/Makefile.%s does not exist" % (lib, machine))
lines = open("Makefile.%s" % machine, 'r').readlines()
fp = open("Makefile.auto", 'w')
has_extramake = False
for line in lines:
words = line.split()
if len(words) == 3 and words[0] == "EXTRAMAKE" and words[1] == '=':
has_extramake = True
if extraflag:
line = line.replace(words[2], "Makefile.lammps.%s" % suffix)
fp.write(line)
fp.close()
# make the library via Makefile.auto optionally with parallel make
n_cpus = get_cpus()
print("Building lib%s.a ..." % lib)
cmd = "make -f Makefile.auto clean; make -f Makefile.auto -j%d" % n_cpus
try:
txt = subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
print(txt.decode('UTF-8'))
except subprocess.CalledProcessError as e:
print("Make failed with:\n %s" % e.output.decode('UTF-8'))
sys.exit(1)
if os.path.exists("lib%s.a" % lib):
print("Build was successful")
else:
sys.exit("Build of lib/%s/lib%s.a was NOT successful" % (lib, lib))
if has_extramake and not os.path.exists("Makefile.lammps"):
print("WARNING: lib/%s/Makefile.lammps was NOT created" % lib)
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