trcrsired wrote:
> I think the spirit of this MR is useful, allowing `clang --sysroot` on any
> platform to target `{arch}-pc-windows-msvc`.
>
> However, I agree with @zmodem when he says this:
>
> > This is about using clang with MSVC/Win SDK turned into a Unix-style sysroot
>
> @trcrsired, I don't think it was said that 'cross-compilation is a narrow
> scenario', instead it was 'making the Windows SDK and MSVC STL into a
> Unix-like sysroot' is a narrow scenario, which is broadly true.
>
> Shoehorning the Windows SDK and MSVC STL into a Unix-like layout is, in my
> opinion, too much to ask of the user. We _can_ support this scenario, I won't
> say no either, but I believe the proper way is to get Clang to accept the
> layout as-is from the [Build Tools
> installer](https://aka.ms/vs/stable/vs_BuildTools.exe) (for example). Surely
> `clang-cl` already has all this machinery, and it is a matter of wiring up
> the discovered paths to clang++, with case-insensitive handling on
> case-sensitive filesystems.
>
> The most obvious, first-party way to set up an MSVC ABI + MSVC STL
> cross-compile environment on Unix-like environments would be to use the above
> installer on Windows itself or maybe WINE and install it to a
> case-insensitive FS, mount that filesystem on the Unix-like host, and then
> write `clang --sysroot=...`. If you are running `clang` on your Android
> phone, this would entail copy-pasting the Windows SDK and MSVC STL into an SD
> card, loading it up, and then writing `clang --sysroot=/sdcard/VC/...` or
> something similar.
>
> I'm not sure this functionality is present in the current PR, which is what I
> discussed in the first place. There is a lot of demand for this setup, I
> agree, but asking the user to do this extra work is not very ergonomic (and
> now that the links to the external GitHub page and scripts are gone, is less
> discoverable as well).
clang --sysroot is POSIX SYSROOT even LLVM itself does it. If that is what you
want (case insensitive and other bs), it is YOU who need to do the job. Why ask
me to do the job i do not even need? It does not make any sense. You are
exploiting my free labor without paying me. How are you so ignorant? People
like you who do not even do cross compiling, and here to troll to ruin my PR.
Why? I have explained why case insensitive is a bad idea and you are literally
imagine a world with SD card which is not even the world we live in any more.
Compiler is a tool, it should serve the people first, not some ideology bs.
https://github.com/llvm/llvm-project/pull/96417
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