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[CMake] Cleanup CMake version checking for 2.8.12

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Now that we're on CMake 3.4.3 this stuff isn't needed anymore.

The cmake_2_8_12_* variables were unused in Compiler-RT, and the policies being set to NEW are all NEW by default now.

llvm-svn: 272313
This commit is contained in:
Chris Bieneman 2016-06-09 21:32:17 +00:00
parent 28cdb677ed
commit bae0eeaf2e
1 changed files with 1 additions and 21 deletions
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22
compiler-rt/CMakeLists.txt
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@ -25,27 +25,7 @@ cmake_minimum_required(VERSION 3.4.3)
# projects/compiler-rt/cmake/Modules/CompilerRTUtils.cmake:121 such that
# CAN_TARGET_${arch} is not set properly. This results in COMPILER_RT_SUPPORTED_ARCH
# not being updated properly leading to poblems.
cmake_policy(SET CMP0056 OLD)
# FIXME: It may be removed when we use 2.8.12.
if(CMAKE_VERSION VERSION_LESS 2.8.12)
# Invalidate a couple of keywords.
set(cmake_2_8_12_INTERFACE)
set(cmake_2_8_12_PRIVATE)
if(APPLE)
set(CMAKE_MACOSX_RPATH On)
endif()
else()
# Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries().
set(cmake_2_8_12_INTERFACE INTERFACE)
set(cmake_2_8_12_PRIVATE PRIVATE)
if(POLICY CMP0022)
cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
endif()
if(POLICY CMP0042)
cmake_policy(SET CMP0042 NEW) # automatic when 2.8.12 is required
endif()
endif()
cmake_policy(SET CMP0056 OLD)
# Add path for custom compiler-rt modules.
list(INSERT CMAKE_MODULE_PATH 0