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Install.py
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Wed, May 8, 06:26

Install.py
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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
# help message
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
-m = peform a clean followed by "make -f Makefile.machine"
machine = suffix of a lib/Makefile.* file
-e = set EXTRAMAKE variable in Makefile.machine to Makefile.lammps.suffix
does not alter existing Makefile.machine
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 USER-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)
"""
# print error message or help
def error(str=None):
if not str: print(help)
else: print("ERROR",str)
sys.exit()
# parse args
args = sys.argv[1:]
nargs = len(args)
if nargs == 0: error()
machine = None
extraflag = 0
iarg = 0
while iarg < nargs:
if args[iarg] == "-m":
if iarg+2 > nargs: error()
machine = args[iarg+1]
iarg += 2
elif args[iarg] == "-e":
if iarg+2 > nargs: error()
extraflag = 1
suffix = args[iarg+1]
iarg += 2
else: error()
# set lib from working dir
cwd = os.getcwd()
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):
error("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
try:
import multiprocessing
n_cpus = multiprocessing.cpu_count()
except:
n_cpus = 1
print("Building lib%s.a ..." % lib)
cmd = "make -f Makefile.auto clean; make -f Makefile.auto -j%d" % n_cpus
txt = subprocess.check_output(cmd,shell=True,stderr=subprocess.STDOUT)
print(txt.decode('UTF-8'))
if os.path.exists("lib%s.a" % lib): print("Build was successful")
else: error("Build of lib/%s/lib%s.a was NOT successful" % (lib,lib))
if has_extramake and not os.path.exists("Makefile.lammps"):
print("lib/%s/Makefile.lammps was NOT created" % lib)

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