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llvm: cmake: set CMP0114 to OLD to avoid warning 

Building with cmake 3.23.2+ produces warnings when using
LLVM_ENABLE_RUNTIMES. Set this policy to the existing behavior for now
to silence the warnings.

Fixes: https://github.com/llvm/llvm-project/issues/50122
Fixes: https://github.com/llvm/llvm-project/issues/54944

Reviewed By: phosek, penzn

Differential Revision: https://reviews.llvm.org/D126923
This commit is contained in:
Nick Desaulniers 2022-06-03 09:33:04 -07:00
parent dd6bcdbf21
commit 1a216dc891
1 changed files with 5 additions and 0 deletions
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5
llvm/CMakeLists.txt
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@ -2,6 +2,11 @@
cmake_minimum_required(VERSION 3.13.4)
# CMP0114: ExternalProject step targets fully adopt their steps.
# New in CMake 3.19: https://cmake.org/cmake/help/latest/policy/CMP0114.html
if(POLICY CMP0114)
cmake_policy(SET CMP0114 OLD)
endif()
# CMP0116: Ninja generators transform `DEPFILE`s from `add_custom_command()`
# New in CMake 3.20. https://cmake.org/cmake/help/latest/policy/CMP0116.html
if(POLICY CMP0116)