1 files changed, 44 insertions, 0 deletions
diff --git a/waflib/Tools/compiler_c.py b/waflib/Tools/compiler_c.py
new file mode 100644
index 0000000..ee607be
--- /dev/null
+++ b/waflib/Tools/compiler_c.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
+c_compiler={'win32':['msvc','gcc','clang'],'cygwin':['gcc'],'darwin':['clang','gcc'],'aix':['xlc','gcc','clang'],'linux':['gcc','clang','icc'],'sunos':['suncc','gcc'],'irix':['gcc','irixcc'],'hpux':['gcc'],'osf1V':['gcc'],'gnu':['gcc','clang'],'java':['gcc','msvc','clang','icc'],'default':['clang','gcc'],}
+def default_compilers():
+	build_platform=Utils.unversioned_sys_platform()
+	possible_compiler_list=c_compiler.get(build_platform,c_compiler['default'])
+	return' '.join(possible_compiler_list)
+def configure(conf):
+	try:
+		test_for_compiler=conf.options.check_c_compiler or default_compilers()
+	except AttributeError:
+		conf.fatal("Add options(opt): opt.load('compiler_c')")
+	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_c: %r',e)
+		else:
+			if conf.env.CC:
+				conf.end_msg(conf.env.get_flat('CC'))
+				conf.env.COMPILER_CC=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('c_*.py',ban=['c_dumbpreproc.py'])
+	cc_compiler_opts=opt.add_option_group('Configuration options')
+	cc_compiler_opts.add_option('--check-c-compiler',default=None,help='list of C compilers to try [%s]'%test_for_compiler,dest="check_c_compiler")
+	for x in test_for_compiler.split():
+		opt.load('%s'%x)