Add -fsigned-char option to clang-cc.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72929 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp
index a5e60eff5c..ed93fdf366 100644
--- a/tools/clang-cc/clang-cc.cpp
+++ b/tools/clang-cc/clang-cc.cpp
@@ -654,6 +654,9 @@ NeXTRuntime("fnext-runtime",
             llvm::cl::desc("Generate output compatible with the NeXT "
                            "runtime"));
 
+static llvm::cl::opt<bool>
+CharIsSigned("fsigned-char",
+    llvm::cl::desc("Force char to be a signed/unsigned type"));
 
 
 static llvm::cl::opt<bool>
@@ -812,6 +815,8 @@ static void InitializeLanguageStandard(LangOptions &Options, LangKind LK,
   Options.Exceptions = Exceptions;
   if (EnableBlocks.getPosition())
     Options.Blocks = EnableBlocks;
+  if (CharIsSigned.getPosition())
+    Options.CharIsSigned = CharIsSigned;
 
   if (!AllowBuiltins)
     Options.NoBuiltin = 1;