[cfe-commits] r68410 - in /cfe/trunk: include/clang/Driver/Options.def lib/Driver/Driver.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Fri Apr  3 17:09:23 2009
New Revision: 68410

URL: http://llvm.org/viewvc/llvm-project?rev=68410&view=rev
Log:
Driver: Add -Qunused-arguments option to suppress driver "unused
arguments" warning.

Modified:
    cfe/trunk/include/clang/Driver/Options.def
    cfe/trunk/lib/Driver/Driver.cpp

Modified: cfe/trunk/include/clang/Driver/Options.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.def?rev=68410&r1=68409&r2=68410&view=diff

==============================================================================
--- cfe/trunk/include/clang/Driver/Options.def (original)
+++ cfe/trunk/include/clang/Driver/Options.def Fri Apr  3 17:09:23 2009
@@ -268,6 +268,8 @@
 OPTION("-O", O, Joined, O_Group, INVALID, "", 0, 0, 0)
 OPTION("-P", P, Flag, INVALID, INVALID, "", 0, 0, 0)
 OPTION("-Qn", Qn, Flag, INVALID, INVALID, "", 0, 0, 0)
+OPTION("-Qunused-arguments", Qunused_arguments, Flag, INVALID, INVALID, "d", 0, 
+       "Don't emit warning for unused driver arguments", 0)
 OPTION("-Q", Q, Flag, INVALID, INVALID, "", 0, 0, 0)
 OPTION("-R", R, Flag, INVALID, INVALID, "", 0, 0, 0)
 OPTION("-S", S, Flag, INVALID, INVALID, "d", 0, 

Modified: cfe/trunk/lib/Driver/Driver.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Driver.cpp?rev=68410&r1=68409&r2=68410&view=diff

==============================================================================
--- cfe/trunk/lib/Driver/Driver.cpp (original)
+++ cfe/trunk/lib/Driver/Driver.cpp Fri Apr  3 17:09:23 2009
@@ -792,8 +792,9 @@
                        II);
   }
 
-  // If there were errors, don't warn about any unused arguments.
-  if (Diags.getNumErrors())
+  // If the user passed -Qunused-arguments or there were errors, don't
+  // warn about any unused arguments.
+  if (Diags.getNumErrors() || C.getArgs().hasArg(options::OPT_Qunused_arguments))
     return;
 
   // Claim -### here.