import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

security/nss/coreconf/check_cc_clang.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+
+import os
+import subprocess
+import sys
+
+def main():
+    if sys.platform == 'win32':
+        print 0
+    else:
+        cc = os.environ.get('CC', 'cc')
+        try:
+            cc_is_clang = 'clang' in subprocess.check_output([cc, '--version'])
+        except OSError:
+            # We probably just don't have CC/cc.
+            cc_is_clang = False
+        print int(cc_is_clang)
+
+if __name__ == '__main__':
+    main()