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authorMark de Wever <koraq@xs4all.nl>2023-03-18 20:32:43 +0100
committerMark de Wever <koraq@xs4all.nl>2023-03-18 20:32:43 +0100
commitd0398d3593ba030db83b888370f8f0f3025c296e (patch)
treeff3775caf270d9f3f62e9f166e2a1ed9031ba790 /polly
parentf03cd763384bbb67ddfa12957859ed58841d4b34 (diff)
downloadllvm-d0398d3593ba030db83b888370f8f0f3025c296e.tar.gz
Revert "Reland "[CMake] Bumps minimum version to 3.20.0.""
This reverts commit a72165e5df59032cdd54dcb18155f2630d73abd1. Some buildbots have not been updated yet.
Diffstat (limited to 'polly')
-rw-r--r--polly/CMakeLists.txt9
1 files changed, 8 insertions, 1 deletions
diff --git a/polly/CMakeLists.txt b/polly/CMakeLists.txt
index 5d0f2cd7f00e..536f11f96829 100644
--- a/polly/CMakeLists.txt
+++ b/polly/CMakeLists.txt
@@ -1,7 +1,14 @@
# Check if this is a in tree build.
if (NOT DEFINED LLVM_MAIN_SRC_DIR)
project(Polly)
- 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()
set(POLLY_STANDALONE_BUILD TRUE)
endif()