From c2b0355b0de23f6ec83b5fa5be038bcce208e26f Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 15 Sep 2018 14:51:03 +0200 Subject: Squashed 'waflib/' content from commit 982416b git-subtree-dir: waflib git-subtree-split: 982416b8a6c6728e200243e1be3ab60435c08830 --- Tools/gfortran.py | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 Tools/gfortran.py (limited to 'Tools/gfortran.py') diff --git a/Tools/gfortran.py b/Tools/gfortran.py new file mode 100644 index 0000000..1050667 --- /dev/null +++ b/Tools/gfortran.py @@ -0,0 +1,93 @@ +#! /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 + +@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' + +@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 + +@conf +def gfortran_modifier_win32(conf): + fc_config.fortran_modifier_win32(conf) + +@conf +def gfortran_modifier_cygwin(conf): + fc_config.fortran_modifier_cygwin(conf) + +@conf +def gfortran_modifier_darwin(conf): + fc_config.fortran_modifier_darwin(conf) + +@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() + +@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() -- cgit v1.2.1