- ccc: print generated command line to stdout instead of stderr
- ccc: quote shell metacharacters in command line to ease copy-and-paste


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49213 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/ccc b/utils/ccc
index 5b54c47..43093cb 100755
--- a/utils/ccc
+++ b/utils/ccc
@@ -18,8 +18,13 @@
     print >> sys.stderr, 'ccc: ' + message
     sys.exit(1)
 
+def quote(arg):
+    if '"' in arg:
+        return repr(arg)
+    return arg
+
 def run(args):
-    print >> sys.stderr, ' '.join(args)
+    print ' '.join(map(quote, args))
     code = subprocess.call(args)
     if code > 255:
         code = 1