1 files changed, 61 insertions, 0 deletions
diff --git a/extras/fc_nag.py b/extras/fc_nag.py
new file mode 100644
index 0000000..edcb218
--- /dev/null
+++ b/extras/fc_nag.py
@@ -0,0 +1,61 @@
+#! /usr/bin/env python
+# encoding: utf-8
+# harald at klimachs.de
+
+import re
+from waflib import Utils
+from waflib.Tools import fc,fc_config,fc_scan
+from waflib.Configure import conf
+
+from waflib.Tools.compiler_fc import fc_compiler
+fc_compiler['linux'].insert(0, 'fc_nag')
+
+@conf
+def find_nag(conf):
+	"""Find the NAG Fortran Compiler (will look in the environment variable 'FC')"""
+
+	fc = conf.find_program(['nagfor'], var='FC')
+	conf.get_nag_version(fc)
+	conf.env.FC_NAME = 'NAG'
+	conf.env.FC_MOD_CAPITALIZATION = 'lower'
+
+@conf
+def nag_flags(conf):
+	v = conf.env
+	v.FCFLAGS_DEBUG = ['-C=all']
+	v.FCLNK_TGT_F = ['-o', '']
+	v.FC_TGT_F = ['-c', '-o', '']
+
+@conf
+def nag_modifier_platform(conf):
+	dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
+	nag_modifier_func = getattr(conf, 'nag_modifier_' + dest_os, None)
+	if nag_modifier_func:
+		nag_modifier_func()
+
+@conf
+def get_nag_version(conf, fc):
+	"""Get the NAG compiler version"""
+
+	version_re = re.compile(r"^NAG Fortran Compiler *Release *(?P<major>\d*)\.(?P<minor>\d*)", re.M).search
+	cmd = fc + ['-V']
+
+	out, err = fc_config.getoutput(conf,cmd,stdin=False)
+	if out:
+		match = version_re(out)
+		if not match:
+			match = version_re(err)
+	else: match = version_re(err)
+	if not match:
+		conf.fatal('Could not determine the NAG version.')
+	k = match.groupdict()
+	conf.env['FC_VERSION'] = (k['major'], k['minor'])
+
+def configure(conf):
+	conf.find_nag()
+	conf.find_ar()
+	conf.fc_flags()
+	conf.fc_add_flags()
+	conf.nag_flags()
+	conf.nag_modifier_platform()
+