from __future__ import division, absolute_import, print_function
import os
import re
import sys
from numpy.distutils.fcompiler import FCompiler
from numpy.distutils.exec_command import exec_command, find_executable
from numpy.distutils.misc_util import make_temp_file
from distutils import log
compilers = ['IBMFCompiler']
class IBMFCompiler(FCompiler):
compiler_type = 'ibm'
description = 'IBM XL Fortran Compiler'
version_pattern = r'(xlf\(1\)\s*|)IBM XL Fortran ((Advanced Edition |)Version |Enterprise Edition V|for AIX, V)(?P<version>[^\s*]*)'
#IBM XL Fortran Enterprise Edition V10.1 for AIX \nVersion: 10.01.0000.0004
executables = {
'version_cmd' : ["<F77>", "-qversion"],
'compiler_f77' : ["xlf"],
'compiler_fix' : ["xlf90", "-qfixed"],
'compiler_f90' : ["xlf90"],
'linker_so' : ["xlf95"],
'archiver' : ["ar", "-cr"],
'ranlib' : ["ranlib"]
}
def get_version(self,*args,**kwds):
version = FCompiler.get_version(self,*args,**kwds)
if version is None and sys.platform.startswith('aix'):
# use lslpp to find out xlf version
lslpp = find_executable('lslpp')
xlf = find_executable('xlf')
if os.path.exists(xlf) and os.path.exists(lslpp):
s, o = exec_command(lslpp + ' -Lc xlfcmp')
m = re.search(r'xlfcmp:(?P<version>\d+([.]\d+)+)', o)
if m: version = m.group('version')
xlf_dir = '/etc/opt/ibmcmp/xlf'
if version is None and os.path.isdir(xlf_dir):
# linux:
# If the output of xlf does not contain version info
# (that's the case with xlf 8.1, for instance) then
# let's try another method:
l = sorted(os.listdir(xlf_dir))
l.reverse()
l = [d for d in l if os.path.isfile(os.path.join(xlf_dir, d, 'xlf.cfg'))]
if l:
from distutils.version import LooseVersion
self.version = version = LooseVersion(l[0])
return version
def get_flags(self):
return ['-qextname']
def get_flags_debug(self):
return ['-g']
def get_flags_linker_so(self):
opt = []
if sys.platform=='darwin':
opt.append('-Wl,-bundle,-flat_namespace,-undefined,suppress')
else:
opt.append('-bshared')
version = self.get_version(ok_status=[0, 40])
if version is not None:
if sys.platform.startswith('aix'):
xlf_cfg = '/etc/xlf.cfg'
else:
xlf_cfg = '/etc/opt/ibmcmp/xlf/%s/xlf.cfg' % version
fo, new_cfg = make_temp_file(suffix='_xlf.cfg')
log.info('Creating '+new_cfg)
fi = open(xlf_cfg, 'r')
crt1_match = re.compile(r'\s*crt\s*[=]\s*(?P<path>.*)/crt1.o').match
for line in fi:
m = crt1_match(line)
if m:
fo.write('crt = %s/bundle1.o\n' % (m.group('path')))
else:
fo.write(line)
fi.close()
fo.close()
opt.append('-F'+new_cfg)
return opt
def get_flags_opt(self):
return ['-O3']
if __name__ == '__main__':
from numpy.distutils import customized_fcompiler
log.set_verbosity(2)
print(customized_fcompiler(compiler='ibm').get_version())