[PATCH] D137724: [CMake] Warn when the version is older than 3.20.0.

[Mark de Wever via Phabricator via llvm-commits]

Mordante marked an inline comment as done.
Mordante added a comment.

Thanks for all reviews!

In D137724#3974764 <https://reviews.llvm.org/D137724#3974764>, @thieta wrote:

> I think this is ready to land @Mordante or is there anything else missing?

No but I've been quite busy. I needed some time to find the list of buildbot owners to mail after landing this.



================
Comment at: clang/CMakeLists.txt:14
   set(CLANG_BUILT_STANDALONE TRUE)
+  if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
+    message(WARNING
----------------
mgorny wrote:
> I wonder if we could move this to `CMakePolicy.cmake`, though admittedly you'd have to somehow avoid warning multiple times in in-tree builds.
Yes I prefer to keep it this way. The warning will be removed once 3.20.0 or newer is mandated.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D137724/new/

https://reviews.llvm.org/D137724