lammps/lib/colvars/Install.py

138 lines
4.4 KiB
Python

#!/usr/bin/env python
# Install.py tool to do automate build of Colvars
from __future__ import print_function
import sys,os,subprocess
sys.path.append('..')
from install_helpers import get_cpus
from argparse import ArgumentParser
parser = ArgumentParser(prog='Install.py',
description="LAMMPS library build wrapper script")
# help message
help = """
Syntax from src dir: make lib-colvars args="-m machine -e suffix"
Syntax from lib/colvars dir: python Install.py -m machine -e suffix
specify -m and optionally -e, order does not matter
-m = delete all existing objects, followed by "make -f Makefile.machine"
machine = suffix of a lib/colvars/Makefile.* or of a
src/MAKE/MACHINES/Makefile.* file
-e = set EXTRAMAKE variable in Makefile.machine to Makefile.lammps.suffix
does not alter existing Makefile.machine
Examples:
make lib-colvars args="-m mpi" # build COLVARS lib with default mpi compiler wrapper
"""
# set lib from working dir
cwd = os.getcwd()
lib = os.path.basename(cwd)
# parse and process arguments
parser.add_argument("-m", "--machine",
help="suffix of a <libname>/Makefile.* or of a src/MAKE/MACHINES/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 != None
suffix = args.extramake
def get_lammps_machine_flags(machine):
"""Parse Makefile.machine from LAMMPS, return dictionary of compiler flags"""
if not os.path.exists("../../src/MAKE/MACHINES/Makefile.%s" % machine):
sys.exit("Cannot locate src/MAKE/MACHINES/Makefile.%s" % machine)
lines = open("../../src/MAKE/MACHINES/Makefile.%s" % machine,
'r').readlines()
machine_flags = {}
for line in lines:
line = line.partition('#')[0]
line = line.rstrip()
words = line.split()
if (len(words) > 2):
if ((words[0] == 'CC') or (words[0] == 'CCFLAGS') or
(words[0] == 'SHFLAGS') or (words[0] == 'ARCHIVE') or
(words[0] == 'ARFLAGS') or (words[0] == 'SHELL')):
machine_flags[words[0]] = ' '.join(words[2:])
return machine_flags
def gen_colvars_makefile_machine(machine, machine_flags):
"""Generate Makefile.machine for Colvars given the compiler flags"""
machine_makefile = open("Makefile.%s" % machine, 'w')
machine_makefile.write('''# -*- makefile -*- to build Colvars module with %s
COLVARS_LIB = libcolvars.a
COLVARS_OBJ_DIR =
CXX = %s
CXXFLAGS = %s %s
AR = %s
ARFLAGS = %s
SHELL = %s
include Makefile.common
.PHONY: default clean
default: $(COLVARS_LIB) Makefile.lammps
clean:
-rm -f $(COLVARS_OBJS) $(COLVARS_LIB)
''' % (machine, machine_flags['CC'],
machine_flags['CCFLAGS'], machine_flags['SHFLAGS'] ,
machine_flags['ARCHIVE'], machine_flags['ARFLAGS'],
machine_flags['SHELL']))
if not os.path.exists("Makefile.%s" % machine):
machine_flags = get_lammps_machine_flags(machine)
gen_colvars_makefile_machine(machine, machine_flags)
if not os.path.exists("Makefile.%s" % machine):
sys.exit("lib/%s/Makefile.%s does not exist" % (lib,machine))
# create Makefile.auto as copy of Makefile.machine
# reset EXTRAMAKE if requested
lines = open("Makefile.%s" % machine,'r').readlines()
fp = open("Makefile.auto",'w')
for line in lines:
words = line.split()
if len(words) == 3 and extraflag and \
words[0] == "EXTRAMAKE" and words[1] == '=':
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, stderr=subprocess.STDOUT, shell=True);
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 not os.path.exists("Makefile.lammps"):
print("lib/%s/Makefile.lammps was NOT created" % lib)