Add support for reading command line arguments from an environment variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7851 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/include/llvm/Support/CommandLine.h b/include/llvm/Support/CommandLine.h
index 245d15bc51..faf82062cc 100644
--- a/include/llvm/Support/CommandLine.h
+++ b/include/llvm/Support/CommandLine.h
@@ -32,6 +32,13 @@ void cl::ParseCommandLineOptions(int &argc, char **argv,
 				 const char *Overview = 0);
 
 //===----------------------------------------------------------------------===//
+// ParseEnvironmentOptions - Environment variable option processing alternate
+//                           entry point.
+//
+void cl::ParseEnvironmentOptions (char *progName, char *envvar,
+				  const char *Overview = 0);
+
+//===----------------------------------------------------------------------===//
 // Flags permitted to be passed to command line arguments
 //