From 8c96b17a5393bffee0c521c4872a9fa999048032 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 15 Sep 2018 14:51:02 +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()
--
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