[cfe-dev] How can clang (built with Visual Studio) work with MinGW gcc-toolchain?

[NAKAMURA Takumi via cfe-dev]

Have you tried
-target x86_64-w64-mingw32
?

2018年2月2日(金) 7:27 Fangqing Du via cfe-dev <cfe-dev at lists.llvm.org>:

> Hi cfe-dev,
>
> I downloaded the pre-built clang from llvm official download page. And
> find that it's built with Visual Studio.
> But locally I haven't install Visual Studio yet.
> My question is: How can clang work with my local pre-installed MInGW
> gcc-toolchain?
>
> For eg:
> If the design files include <cstdio> or something like header files, it
> will error out with following error message:
> C:\>"C:\Program Files\LLVM\bin\clang++.exe" main.cpp
> main.cpp:1:10: fatal error: 'cstdio' file not found
> #include <cstdio>
>          ^
> 1 error generated.
>
>
> So is there any option, like '-gcc-toolchain' option on Linux platform to
> specify a header file path, to let the clang (build with Visual Studio) to
> find the header files AUTOMATICALLY, not though '-I' option?
>
> I tried '-gcc-toolchain' on Windows platform, it cannot work, and put
> following warning message:
> C:\>"C:\Program Files\LLVM\bin\clang++.exe" main.cpp dut.cpp
> -gcc-toolchain "C:\\mingw64"
> clang++.exe: warning: argument unused during compilation:
> '--gcc-toolchain=C:\\msys64\\mingw64'
>
> Thanks a lot!
> Fangqing
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