[llvm-dev] LLVM Build on Windows 10

[Michael Kruse via llvm-dev]

The warning is brand-new in cmake 2.20, which is not officially
released yet. See
https://cmake.org/cmake/help/latest/policy/CMP0116.html#policy:CMP0116.
You probably have an older cmake on your machine.

Michael

Am Do., 4. März 2021 um 14:44 Uhr schrieb Paul C. Anagnostopoulos via
llvm-dev <llvm-dev at lists.llvm.org>:
>
> Well, I emerge from a week of getting my new Windows 10 machine running smoothly. Now I have to tackle the LLVM build. When I do a build, I get a boatload of the following messages. I searched my old machine for settings involving policies, with no luck. I don't recall seeing these when I started building LLVM on my old machine. As always, any help is appreciated and your patience duly noted.
>
> -------------------------------------
>
> CMake Warning (dev) at C:/LLVM/llvm-project/llvm/cmake/modules/TableGen.cmake:94 (add_custom_command):
>   Policy CMP0116 is not set: Ninja generators transform DEPFILEs from
>   add_custom_command().  Run "cmake --help-policy CMP0116" for policy
>   details.  Use the cmake_policy command to set the policy and suppress this
>   warning.
> Call Stack (most recent call first):
>   C:/LLVM/llvm-project/mlir/cmake/modules/AddMLIR.cmake:2 (tablegen)
>   C:/LLVM/llvm-project/mlir/test/lib/Dialect/Test/CMakeLists.txt:28 (mlir_tablegen)
> This warning is for project developers.  Use -Wno-dev to suppress it.
>
> ----------------------------------------------
>
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