msspec_python3/src/SConstruct

126 lines
4.2 KiB
Python

import os
import subprocess
import datetime
from pkg_resources import parse_version
from setuptools_scm import get_version
###############################################################################
def filtered_glob(env, pattern, omit=[],
ondisk=True, source=False, strings=False):
return list(filter(
lambda f: os.path.basename(f.path) not in omit,
env.Glob(pattern)))
# Create a builder for f2py
def f2py_generator(source, target, env, for_signature):
suffix = ".so"
main = source[0]
objects = " ".join(o.get_path() for o in source[1:] if str(o).endswith('.o'))
moduledir = os.path.dirname(target[0].abspath)
modulefile = str(target[0])
modulename = modulefile.replace(suffix, '').replace('/', '.')
compiler = env['FORTRAN']
cmd = f"$F2PY --fcompiler={compiler} "
cmd += f" $F2PY_OPTS -m {modulename} -c {objects} {main}"
cmd += f" && cp {'/'.join(modulename.split('.'))}.*.so {modulefile}"
#cmd += " 1>/dev/null 2>/dev/null"
return cmd
def install_module(env, module):
destdir = os.path.dirname(module[0].srcnode().abspath)
env.Install(destdir, module)
env.Alias('install', destdir)
return None
def version_action(target, source, env):
with open(str(target[0]), 'w') as fd:
v = get_version(root='../', relative_to='./', version_scheme="post-release")
v = parse_version(v)
if v._version.post[-1] == 0:
version = v.base_version
else:
version = v.public
fd.write(version + '\n')
now = datetime.datetime.now().isoformat()
fd.write(f'compiled on {now}\n')
p = subprocess.run([env['FORTRAN'], "--version"], stdout=subprocess.PIPE)
fd.write(p.stdout.decode('utf8'))
f2py_bld = Builder(generator=f2py_generator)
version_bld = Builder(action=version_action)
# define the default build environment
std = Environment(tools=['default', 'fortran'], F2PY_OPTS=[], LIBS=[])
std.AddMethod(filtered_glob, "FilteredGlob")
std.AddMethod(install_module, "InstallModule")
std['BUILDERS']['F2py'] = f2py_bld
std['BUILDERS']['Version'] = version_bld
###############################################################################
# Define the command line options
AddOption('--dbg',
dest='dbg',
action='store_true',
help='add debugging symbols')
AddOption('--verbose',
dest='verbose',
action='store_true',
help='add debugging symbols')
AddOption('--compiler',
dest='compiler',
default='gfortran',
choices=['gfortran', 'ifort'],
help='The Fortran compiler to use')
AddOption('--f2py_path',
dest='f2py_path',
default='f2py3',
help='The full path to the f2py compiler')
# define environments
gfortran_env = std.Clone(tools=['gfortran'])
#gfortran_env.Replace(FORTRANFLAGS=['-fPIC', '-O2', '-ffast-math', '-mcmodel=large', '-fdefault-real-8', '-fdefault-double-8'])
gfortran_env.Replace(FORTRANFLAGS=['-fPIC', '-mcmodel=large'])
ifort_env = std.Clone(tools=['ifort'])
# parse options
if GetOption('compiler') == 'gfortran':
env = gfortran_env
#env.Append(F2PY_OPTS='--opt=-O2')
elif GetOption('compiler') == 'ifort':
env = ifort_env
f2py_path = GetOption('f2py_path')
p = subprocess.run(['which', f2py_path], stdout=subprocess.PIPE)
if p.returncode != 0:
raise Exception('Invalid path for f2py compiler!')
else:
env.Append(F2PY=p.stdout.decode('utf8').strip())
if GetOption('dbg'):
flags = ['-g', '-Wall', '-Wextra', '-Warray-temporaries',
'-Wconversion', '-fbacktrace', '-ffree-line-length-0',
'-fcheck=all', '-ffpe-trap=zero,overflow,underflow,invalid,denormal',
'-finit-real=nan']
gfortran_env.Append(FORTRANFLAGS = flags,
F2PY_OPTS = ['--noopt', '--debug-capi', '--debug', '--f77flags=-g -fcheck=all -fbacktrace -ffpe-trap=zero,overflow,underflow,invalid,denormal'])
if GetOption('verbose'):
env.Replace(FORTRANCOMSTR = "")
Export('env')
SConscript('msspec/spec/fortran/SConstruct', variant_dir='build/build_spec')
SConscript('msspec/phagen/fortran/SConstruct', variant_dir='build/build_phagen')
version_file = env.Version('VERSION', [])
Depends(version_file, "install")