[CMake] Bump CMake minimum version to 3.13.4
This upgrade should be friction-less because we've already been ensuring
that CMake >= 3.13.4 is used.
This is part of the effort discussed on llvm-dev here:
http://lists.llvm.org/pipermail/llvm-dev/2020-April/140578.html
Differential Revision: https://reviews.llvm.org/D78648
GitOrigin-RevId: afa1afd4108d973e059e5f5ad68cf01efe7985da
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9939097..2e94512 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
# Check if this is a in tree build.
if (NOT DEFINED LLVM_MAIN_SRC_DIR)
project(Polly)
- cmake_minimum_required(VERSION 3.4.3)
+ cmake_minimum_required(VERSION 3.13.4)
# Where is LLVM installed?
find_package(LLVM CONFIG REQUIRED)