Build CMake on macOS if one is not preinstalled #81161
Merged
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We build CMake on all platforms (except Darwin for an unknown reason) if CMake is not preinstalled. Since CMake 4.0 regresses certain build configurations, there's currently no way to build on Darwin without installing an older CMake version 3.x manually. This can be simplified if we build a pinned version of CMake consistently on all platforms.