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authorNico Weber <thakis@chromium.org>2023-05-17 10:46:45 -0400
committerNico Weber <thakis@chromium.org>2023-05-17 10:53:33 -0400
commitd763c6e5e2d0a6b34097aa7dabca31e9aff9b0b6 (patch)
treeefbb52b2ca03bfac87b6e9a3ebb106d8428270cb /runtimes
parentd9610b4a56c532614545eef5995362e99b776535 (diff)
downloadllvm-d763c6e5e2d0a6b34097aa7dabca31e9aff9b0b6.tar.gz
Revert "Reland "[CMake] Bumps minimum version to 3.20.0.""
This reverts commit 65429b9af6a2c99d340ab2dcddd41dab201f399c. Broke several projects, see https://reviews.llvm.org/D144509#4347562 onwards. Also reverts follow-up commit "[OpenMP] Compile assembly files as ASM, not C" This reverts commit 4072c8aee4c89c4457f4f30d01dc9bb4dfa52559. Also reverts fix attempt "[cmake] Set CMP0091 to fix Windows builds after the cmake_minimum_required bump" This reverts commit 7d47dac5f828efd1d378ba44a97559114f00fb64.
Diffstat (limited to 'runtimes')
-rw-r--r--runtimes/CMakeLists.txt9
1 files changed, 8 insertions, 1 deletions
diff --git a/runtimes/CMakeLists.txt b/runtimes/CMakeLists.txt
index be68d6df34c2..37cab6e17ee0 100644
--- a/runtimes/CMakeLists.txt
+++ b/runtimes/CMakeLists.txt
@@ -1,5 +1,12 @@
# This file handles building LLVM runtime sub-projects.
-cmake_minimum_required(VERSION 3.20.0)
+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()
project(Runtimes C CXX ASM)
# Add path for custom and the LLVM build's modules to the CMake module path.