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-rw-r--r--lib/Driver/Tools.cpp26
1 files changed, 14 insertions, 12 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index b986f7f1c0..ff4af221e3 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -988,19 +988,21 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
// Explicitly error on some things we know we don't support and can't just
// ignore.
types::ID InputType = Inputs[0].getType();
- Arg *Unsupported;
- if ((Unsupported = Args.getLastArg(options::OPT_MG)) ||
- (Unsupported = Args.getLastArg(options::OPT_iframework)) ||
- (Unsupported = Args.getLastArg(options::OPT_fshort_enums)))
- D.Diag(clang::diag::err_drv_clang_unsupported)
- << Unsupported->getOption().getName();
-
- if (types::isCXX(InputType) &&
- getToolChain().getTriple().getOS() == llvm::Triple::Darwin &&
- getToolChain().getTriple().getArch() == llvm::Triple::x86) {
- if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext)))
- D.Diag(clang::diag::err_drv_clang_unsupported_opt_cxx_darwin_i386)
+ if (!Args.hasArg(options::OPT_fallow_unsupported)) {
+ Arg *Unsupported;
+ if ((Unsupported = Args.getLastArg(options::OPT_MG)) ||
+ (Unsupported = Args.getLastArg(options::OPT_iframework)) ||
+ (Unsupported = Args.getLastArg(options::OPT_fshort_enums)))
+ D.Diag(clang::diag::err_drv_clang_unsupported)
<< Unsupported->getOption().getName();
+
+ if (types::isCXX(InputType) &&
+ getToolChain().getTriple().getOS() == llvm::Triple::Darwin &&
+ getToolChain().getTriple().getArch() == llvm::Triple::x86) {
+ if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext)))
+ D.Diag(clang::diag::err_drv_clang_unsupported_opt_cxx_darwin_i386)
+ << Unsupported->getOption().getName();
+ }
}
Args.AddAllArgs(CmdArgs, options::OPT_v);