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authorMark de Wever <koraq@xs4all.nl>2023-04-15 20:12:24 +0200
committerMark de Wever <koraq@xs4all.nl>2023-04-15 20:12:24 +0200
commit44d38022ab29a3156349602733b3459df5beef93 (patch)
treef219c4e3a499bbb20e28c8047ba00e0e63220054 /mlir/CMakeLists.txt
parentd3df7b1568e72b3f2e99b858f4457f2729368c15 (diff)
downloadllvm-44d38022ab29a3156349602733b3459df5beef93.tar.gz
Revert "Revert "Revert "[CMake] Bumps minimum version to 3.20.0."""
This reverts commit 1ef4c3c859728008cf707cad8d67f45ae5070ae1. Two buildbots still haven't been updated.
Diffstat (limited to 'mlir/CMakeLists.txt')
-rw-r--r--mlir/CMakeLists.txt9
1 files changed, 8 insertions, 1 deletions
diff --git a/mlir/CMakeLists.txt b/mlir/CMakeLists.txt
index d91d1b105da4..c9b0d53bc3e9 100644
--- a/mlir/CMakeLists.txt
+++ b/mlir/CMakeLists.txt
@@ -1,5 +1,5 @@
# MLIR project.
-cmake_minimum_required(VERSION 3.20.0)
+cmake_minimum_required(VERSION 3.13.4)
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
@@ -11,6 +11,13 @@ include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
project(mlir)
set(MLIR_STANDALONE_BUILD TRUE)
+ 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()
endif()
# Must go below project(..)