1 files changed, 44 insertions, 0 deletions
diff --git a/waflib/Tools/compiler_cxx.py b/waflib/Tools/compiler_cxx.py
new file mode 100644
index 0000000..cbd267f
--- /dev/null
+++ b/waflib/Tools/compiler_cxx.py
@@ -0,0 +1,44 @@
+#! /usr/bin/env python
+# encoding: utf-8
+# WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file
+
+import re
+from waflib.Tools import ccroot
+from waflib import Utils
+from waflib.Logs import debug
+cxx_compiler={'win32':['msvc','g++','clang++'],'cygwin':['g++'],'darwin':['clang++','g++'],'aix':['xlc++','g++','clang++'],'linux':['g++','clang++','icpc'],'sunos':['sunc++','g++'],'irix':['g++'],'hpux':['g++'],'osf1V':['g++'],'gnu':['g++','clang++'],'java':['g++','msvc','clang++','icpc'],'default':['clang++','g++']}
+def default_compilers():
+	build_platform=Utils.unversioned_sys_platform()
+	possible_compiler_list=cxx_compiler.get(build_platform,cxx_compiler['default'])
+	return' '.join(possible_compiler_list)
+def configure(conf):
+	try:
+		test_for_compiler=conf.options.check_cxx_compiler or default_compilers()
+	except AttributeError:
+		conf.fatal("Add options(opt): opt.load('compiler_cxx')")
+	for compiler in re.split('[ ,]+',test_for_compiler):
+		conf.env.stash()
+		conf.start_msg('Checking for %r (C++ compiler)'%compiler)
+		try:
+			conf.load(compiler)
+		except conf.errors.ConfigurationError as e:
+			conf.env.revert()
+			conf.end_msg(False)
+			debug('compiler_cxx: %r',e)
+		else:
+			if conf.env.CXX:
+				conf.end_msg(conf.env.get_flat('CXX'))
+				conf.env.COMPILER_CXX=compiler
+				conf.env.commit()
+				break
+			conf.env.revert()
+			conf.end_msg(False)
+	else:
+		conf.fatal('could not configure a C++ compiler!')
+def options(opt):
+	test_for_compiler=default_compilers()
+	opt.load_special_tools('cxx_*.py')
+	cxx_compiler_opts=opt.add_option_group('Configuration options')
+	cxx_compiler_opts.add_option('--check-cxx-compiler',default=None,help='list of C++ compilers to try [%s]'%test_for_compiler,dest="check_cxx_compiler")
+	for x in test_for_compiler.split():
+		opt.load('%s'%x)