Author: ddunbar
Date: Fri Mar 18 16:23:40 2011
New Revision: 127911
URL: http://llvm.org/viewvc/llvm-project?rev=127911&view=rev
Log:
Driver: Forward -traditional and -traditional-cpp in preprocessing modes.
- We don't really support the majority of the horrible -traditional-cpp
behavior, but it is unlikely that we ever will either. This allows us to
start trying to use clang as a /usr/bin/cpp replacement and see what pieces
of -traditional-cpp mode people actually care about.
Modified:
cfe/trunk/lib/Driver/Tools.cpp
Modified: cfe/trunk/lib/Driver/Tools.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=127911&r1=127910&r2=127911&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Fri Mar 18 16:23:40 2011
@@ -1773,9 +1773,14 @@
}
#endif
+ // Only allow -traditional or -traditional-cpp outside in preprocessing
modes.
if (Arg *A = Args.getLastArg(options::OPT_traditional,
- options::OPT_traditional_cpp))
- D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
+ options::OPT_traditional_cpp)) {
+ if (isa<PreprocessJobAction>(JA))
+ CmdArgs.push_back("-traditional-cpp");
+ else
+ D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
+ }
Args.AddLastArg(CmdArgs, options::OPT_dM);
Args.AddLastArg(CmdArgs, options::OPT_dD);
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