msspec_python3/SConstruct

95 lines
2.8 KiB
Python

from sysconfig import get_config_var
import os
# 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')
def CheckPKGConfig(context, version):
context.Message( 'Checking for pkg-config... ' )
ret = context.TryAction('pkg-config --atleast-pkgconfig-version=%s' % version)[0]
context.Result( ret )
return ret
def CheckPKG(context, name):
context.Message( 'Checking for %s... ' % name )
ret = context.TryAction('pkg-config --exists \'%s\'' % name)[0]
context.Result( ret )
return ret
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)))
# define the default build environment
std = Environment(tools=['default', 'fortran'], F2PY_OPTS=[], FORTRANCOMSTR = "building $TARGET ...", LIBS=[])
std.AddMethod(filtered_glob, "FilteredGlob");
# define environments
gfortran_env = std.Clone(tools=['gfortran'])
gfortran_env.Replace(FORTRANFLAGS=['-fPIC', '-O2', '-ffast-math', '-fno-automatic'])
ifort_env = std.Clone(tools=['ifort'])
# parse options
if GetOption('compiler') == 'gfortran':
env = gfortran_env
elif GetOption('compiler') == 'ifort':
env = ifort_env
if GetOption('dbg'):
gfortran_env.Append(FORTRANFLAGS = ['-g', '-Wall', '-Wextra', '-Warray-temporaries',
'-Wconversion', '-fbacktrace', '-ffree-line-length-0',
'-fcheck=all', '-ffpe-trap=zero,overflow,underflow',
'-finit-real=nan'],
F2PY_OPTS = ['--debug-capi', '--debug'])
if GetOption('verbose'):
env.Replace(FORTRANCOMSTR = "")
conf = Configure(env, custom_tests = { 'CheckPKG' : CheckPKG})
suffix = get_config_var('EXT_SUFFIX')
# Create a builder for f2py
def create_f2py_cmd(source, target, env, for_signature):
objects = source[1:]
cmd = "f2py3 "
cmd += " ".join([o.get_path() for o in objects if str(o).endswith('o')])
cmd += f" $F2PY_OPTS -m {str(target[0]).replace(suffix,'').replace('/', '.')} -c {source[0]}"
return cmd
def modify_targets(target, source, env):
target[0] = str(target[0]) + suffix
#print(target[0])
return target, source
bld = Builder(generator=create_f2py_cmd, emitter = modify_targets)
env['BUILDERS']['F2PY'] = bld
# exports
Export('env', 'conf')
SConscript(['src/msspec/spec/fortran/SConstruct',
'src/msspec/phagen/fortran/SConstruct'])