Add driver support for -fsigned-char/-funsigned-char.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72930 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 68167e5..f3cfc65 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -505,6 +505,16 @@
CmdArgs.push_back("-fblocks=0");
}
+ // -fsigned-char/-funsigned-char default varies depending on platform; only
+ // pass if specified.
+ if (Arg *A = Args.getLastArg(options::OPT_fsigned_char,
+ options::OPT_funsigned_char)) {
+ if (A->getOption().matches(options::OPT_fsigned_char))
+ CmdArgs.push_back("-fsigned-char");
+ else
+ CmdArgs.push_back("-fsigned-char=0");
+ }
+
// -fno-pascal-strings is default, only pass non-default. If the
// -tool chain happened to translate to -mpascal-strings, we want to
// -back translate here.