Source code for waflib.Tools.gfortran

#! /usr/bin/env python
# encoding: utf-8
# DC 2008
# Thomas Nagy 2016-2018 (ita)

import re
from waflib import Utils
from waflib.Tools import fc, fc_config, fc_scan, ar
from waflib.Configure import conf

[docs]@conf def find_gfortran(conf): """Find the gfortran program (will look in the environment variable 'FC')""" fc = conf.find_program(['gfortran','g77'], var='FC') # (fallback to g77 for systems, where no gfortran is available) conf.get_gfortran_version(fc) conf.env.FC_NAME = 'GFORTRAN'
[docs]@conf def gfortran_flags(conf): v = conf.env v.FCFLAGS_fcshlib = ['-fPIC'] v.FORTRANMODFLAG = ['-J', ''] # template for module path v.FCFLAGS_DEBUG = ['-Werror'] # why not
[docs]@conf def gfortran_modifier_win32(conf): fc_config.fortran_modifier_win32(conf)
[docs]@conf def gfortran_modifier_cygwin(conf): fc_config.fortran_modifier_cygwin(conf)
[docs]@conf def gfortran_modifier_darwin(conf): fc_config.fortran_modifier_darwin(conf)
[docs]@conf def gfortran_modifier_platform(conf): dest_os = conf.env.DEST_OS or Utils.unversioned_sys_platform() gfortran_modifier_func = getattr(conf, 'gfortran_modifier_' + dest_os, None) if gfortran_modifier_func: gfortran_modifier_func()
[docs]@conf def get_gfortran_version(conf, fc): """Get the compiler version""" # ensure this is actually gfortran, not an imposter. version_re = re.compile(r"GNU\s*Fortran", re.I).search cmd = fc + ['--version'] out, err = fc_config.getoutput(conf, cmd, stdin=False) if out: match = version_re(out) else: match = version_re(err) if not match: conf.fatal('Could not determine the compiler type') # --- now get more detailed info -- see c_config.get_cc_version cmd = fc + ['-dM', '-E', '-'] out, err = fc_config.getoutput(conf, cmd, stdin=True) if out.find('__GNUC__') < 0: conf.fatal('Could not determine the compiler type') k = {} out = out.splitlines() import shlex for line in out: lst = shlex.split(line) if len(lst)>2: key = lst[1] val = lst[2] k[key] = val def isD(var): return var in k def isT(var): return var in k and k[var] != '0' conf.env.FC_VERSION = (k['__GNUC__'], k['__GNUC_MINOR__'], k['__GNUC_PATCHLEVEL__'])
def configure(conf): conf.find_gfortran() conf.find_ar() conf.fc_flags() conf.fc_add_flags() conf.gfortran_flags() conf.gfortran_modifier_platform() conf.check_gfortran_o_space()