Add support to enable -lfoo to be processed correctly


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1390 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/link/link.cpp b/tools/link/link.cpp
index 7aa8a04..80a39b2 100644
--- a/tools/link/link.cpp
+++ b/tools/link/link.cpp
@@ -54,7 +54,9 @@
 }
 
 int main(int argc, char **argv) {
-  cl::ParseCommandLineOptions(argc, argv, " llvm linker\n");
+  cl::ParseCommandLineOptions(argc, argv, " llvm linker\n",
+			      cl::EnableSingleLetterArgValue |
+			      cl::DisableSingleLetterArgGrouping);
   assert(InputFilenames.size() > 0 && "OneOrMore is not working");
 
   unsigned BaseArg = 0;