Add support for '-fgnu-keywords' and '-fasm' to Clang's driver. They are not
implemented precisely the same as GCC, but the distinction GCC makes isn't
useful to represent. This allows parsing code which uses GCC-specific keywords
('asm', etc.) without parsing in a fully GNU mode.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101667 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 899eb48..d9df471 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1208,6 +1208,16 @@
getToolChain().getTriple().getOS() == llvm::Triple::Win32))
CmdArgs.push_back("-fms-extensions");
+ // -fgnu-keywords default varies depending on language; only pass if
+ // specified.
+ if (Arg *A = Args.getLastArg(options::OPT_fgnu_keywords,
+ options::OPT_fno_gnu_keywords)) {
+ if (A->getOption().matches(options::OPT_fgnu_keywords))
+ CmdArgs.push_back("-fgnu-keywords");
+ else
+ CmdArgs.push_back("-fno-gnu-keywords");
+ }
+
// -fnext-runtime is default.
if (!Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime,
getToolChain().getTriple().getOS() == llvm::Triple::Darwin))