commit 47b183e4f53b824b0cb2533f64cc96d077c5ec9a
author Mark de Wever <koraq@xs4all.nl> Sat May 13 11:42:25 2023 +0200
committer Copybara-Service <copybara-worker@google.com> Sat May 13 02:45:39 2023 -0700
tree 042d44c9193a6f42eb7e565d0eea17a66043f131
parent 18a4bf238bc54c1b32461feb0a0142a57f4ad6db

Reland "[CMake] Bumps minimum version to 3.20.0."

The owner of the last two failing buildbots updated CMake.

This reverts commit e8e8707b4aa6e4cc04c0cffb2de01d2de71165fc.

GitOrigin-RevId: 65429b9af6a2c99d340ab2dcddd41dab201f399c

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 536f11f..5d0f2cd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,14 +1,7 @@
 # Check if this is a in tree build.
 if (NOT DEFINED LLVM_MAIN_SRC_DIR)
   project(Polly)
-  cmake_minimum_required(VERSION 3.13.4)
-  if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
-    message(WARNING
-      "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
-      "minimum version of CMake required to build LLVM will become 3.20.0, and "
-      "using an older CMake will become an error. Please upgrade your CMake to "
-      "at least 3.20.0 now to avoid issues in the future!")
-  endif()
+  cmake_minimum_required(VERSION 3.20.0)
   set(POLLY_STANDALONE_BUILD TRUE)
 endif()