Import of the watch repository from Pebble

third_party/waf/waf-light/waflib/Tools/compiler_fc.py

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+#!/usr/bin/env python
+# encoding: utf-8
+
+import os, sys, imp, types
+from waflib import Utils, Configure, Options, Logs, Errors
+from waflib.Tools import fc
+
+fc_compiler = {
+	'win32'  : ['gfortran','ifort'],
+	'darwin' : ['gfortran', 'g95', 'ifort'],
+	'linux'  : ['gfortran', 'g95', 'ifort'],
+	'java'   : ['gfortran', 'g95', 'ifort'],
+	'default': ['gfortran'],
+	'aix'    : ['gfortran']
+}
+
+def __list_possible_compiler(platform):
+	try:
+		return fc_compiler[platform]
+	except KeyError:
+		return fc_compiler["default"]
+
+def configure(conf):
+	"""
+	Try to find a suitable Fortran compiler or raise a :py:class:`waflib.Errors.ConfigurationError`.
+	"""
+	try: test_for_compiler = conf.options.check_fc
+	except AttributeError: conf.fatal("Add options(opt): opt.load('compiler_fc')")
+	for compiler in test_for_compiler.split():
+		conf.env.stash()
+		conf.start_msg('Checking for %r (fortran compiler)' % compiler)
+		try:
+			conf.load(compiler)
+		except conf.errors.ConfigurationError as e:
+			conf.env.revert()
+			conf.end_msg(False)
+			Logs.debug('compiler_fortran: %r' % e)
+		else:
+			if conf.env['FC']:
+				conf.end_msg(conf.env.get_flat('FC'))
+				conf.env.COMPILER_FORTRAN = compiler
+				break
+			conf.end_msg(False)
+	else:
+		conf.fatal('could not configure a fortran compiler!')
+
+def options(opt):
+	"""
+	Restrict the compiler detection from the command-line::
+
+		$ waf configure --check-fortran-compiler=ifort
+	"""
+	opt.load_special_tools('fc_*.py')
+	build_platform = Utils.unversioned_sys_platform()
+	detected_platform = Options.platform
+	possible_compiler_list = __list_possible_compiler(detected_platform)
+	test_for_compiler = ' '.join(possible_compiler_list)
+	fortran_compiler_opts = opt.add_option_group("Fortran Compiler Options")
+	fortran_compiler_opts.add_option('--check-fortran-compiler',
+			default="%s" % test_for_compiler,
+			help='On this platform (%s) the following Fortran Compiler will be checked by default: "%s"' % (detected_platform, test_for_compiler),
+		dest="check_fc")
+
+	for compiler in test_for_compiler.split():
+		opt.load('%s' % compiler)
+