[cfe-dev] [PATCH] MS compatibility flag implies delayed parsing

[Francois Pichet]

On Tue, Nov 15, 2011 at 2:27 PM, Aaron Ballman <aaron at aaronballman.com> wrote:
> On Tue, Nov 15, 2011 at 1:20 PM, Ruben Van Boxem
> <vanboxem.ruben at gmail.com> wrote:
>> Hold your horses! Win32 != borked MSVC headers! There's also GCC for
>> windows, and as I don't know what implications the delayed template parsing
>> has on the libstdc++/libc++ headers, it's not a good idea to make this a
>> default for Win32.
>
> We're talking about -fms-compatibility, which does = borked MSVC
> headers, which generally require delayed template parsing.  That's why
> the discussion is happening about making -fms-compatibility
> automatically adding -fdelayed-template-parsing.
>
> ~Aaron
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I think this is very a theoretical discussion, in practice both
-fdelayed-template-parsing and -fms-compatibility options are passed
by the driver to the -cc1 clang internal spawning if the triple is
Win32. For GCC on Windows there is a different MinGW32 triple.

so just calling
> clang test.cpp
does the right thing on Win32.