[cfe-users] Clang (with Visual Studio) wrongly complains about missing variables

Jeffrey Walton via cfe-users cfe-users at lists.llvm.org
Tue Sep 21 05:49:56 PDT 2021


>  ...
> I checked this morning and sure enough the "/Ob" option doesn't get sent
> if I build with VS2019 and Clang - so I'm guessing "/Ob0" wouldn't be
> recognised by Clang's compiler?
>
> So does Clang have it's own command-line option to disable inline
> function expansion?  Or is that something which hasn't been implemented
> for Clang?  Thanks,

The U&L option is -fno-inline. But I think Clang has an option to
consume MSVC style options, so you may be able to use /Ob.

I think you can check which MSVC style options Clang accepts with
'clang-cl /?' or 'clang-cl -?'.

I don't use Clang on Windows, so I'm not really the person to answer
your Windows questions. Sorry about that.

Jeff


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