[llvm-dev] Help with building MLIR

[Mehdi AMINI via llvm-dev]

Hi Paul,

I'm not on windows, but I usually build it with just `ninja mlir-tblgen`.

I also use `-DLLVM_ENABLE_PROJECTS=MLIR` to enable it, I have never tried
`LLVM_TOOL_MLIR_BUILD`, I don't know if it is equivalent.
See the "Getting Started" doc here: https://mlir.llvm.org/getting_started/

(Feel free to join us on Discord if you'd like to get more "live" help:
https://discord.gg/xS7Z362 )

-- 
Mehdi


On Tue, Nov 24, 2020 at 11:45 AM Paul C. Anagnostopoulos via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> I am building MLIR with LLVM, using the
>
> LLVM_TOOL_MLIR_BUILD:BOOL=ON
>
> option in CMakeCache. Indeed, the MLIR files are in my build tree.
>
> Can someone tell me how to build just MLIR, or, better yet, just
> mlir-tblgen? I'm building llvm-tblgen with
>
> ninja -j 6 bin/llvm-tblgen.exe
>
> And so, silly me, I assumed I could just add
>
> ninja -j 6 bin/mlir-tblgen.exe
>
> But no joy. I haven't yet gotten the hang of specifying what to build.
>
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