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[CMake] Remove dead code setting policies to NEW 

cmake_minimum_required(VERSION) calls cmake_policy(VERSION),
which sets all policies up to VERSION to NEW.
LLVM started requiring CMake 3.13 last year, so we can remove
a bunch of code setting policies prior to 3.13 to NEW as it
no longer has any effect.

Reviewed By: phosek, #libunwind, #libc, #libc_abi, ldionne

Differential Revision: https://reviews.llvm.org/D94374
This commit is contained in:
Raul Tambre 2021-01-10 14:11:35 +02:00
parent 8bf7116d50
commit 480643a95c
10 changed files with 7 additions and 89 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
clang/CMakeLists.txt
View File

@ -1,9 +1,5 @@
cmake_minimum_required(VERSION 3.13.4)
if(POLICY CMP0075)
cmake_policy(SET CMP0075 NEW)
endif()
# If we are not building as a part of LLVM, build Clang as an
# standalone project, using LLVM as an external library:
if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )

4
compiler-rt/CMakeLists.txt
View File

@ -5,10 +5,6 @@
cmake_minimum_required(VERSION 3.13.4)
if(POLICY CMP0075)
cmake_policy(SET CMP0075 NEW)
endif()
# Check if compiler-rt is built as a standalone project.
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR COMPILER_RT_STANDALONE_BUILD)
project(CompilerRT C CXX ASM)

16
flang/CMakeLists.txt
View File

@ -1,20 +1,6 @@
cmake_minimum_required(VERSION 3.13.4)
# RPATH settings on macOS do not affect INSTALL_NAME.
if (POLICY CMP0068)
cmake_policy(SET CMP0068 NEW)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
endif()
# Include file check macros honor CMAKE_REQUIRED_LIBRARIES.
if(POLICY CMP0075)
cmake_policy(SET CMP0075 NEW)
endif()
# option() honors normal variables.
if (POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif()
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
option(LINK_WITH_FIR "Link driver with FIR and LLVM" ON)
option(FLANG_BUILD_NEW_DRIVER "Build the flang compiler driver" OFF)

11
libcxx/CMakeLists.txt
View File

@ -10,16 +10,7 @@ endif()
#===============================================================================
cmake_minimum_required(VERSION 3.13.4)
if(POLICY CMP0042)
cmake_policy(SET CMP0042 NEW) # Set MACOSX_RPATH=YES by default
endif()
if(POLICY CMP0022)
cmake_policy(SET CMP0022 NEW) # Required when interacting with LLVM and Clang
endif()
if(POLICY CMP0068)
cmake_policy(SET CMP0068 NEW)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
endif()
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
# Add path for custom modules
set(CMAKE_MODULE_PATH

16
libcxx/utils/ci/runtimes/CMakeLists.txt
View File

@ -1,20 +1,8 @@
cmake_minimum_required(VERSION 3.13.4)
if(POLICY CMP0068)
cmake_policy(SET CMP0068 NEW)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
endif()
if(POLICY CMP0075)
cmake_policy(SET CMP0075 NEW)
endif()
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif()
project(LLVM_RUNTIMES)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
find_package(Python3 COMPONENTS Interpreter)
if(NOT Python3_Interpreter_FOUND)
message(WARNING "Python3 not found, using python2 as a fallback")

4
libcxxabi/CMakeLists.txt
View File

@ -10,10 +10,6 @@ endif()
cmake_minimum_required(VERSION 3.13.4)
if(POLICY CMP0042)
cmake_policy(SET CMP0042 NEW) # Set MACOSX_RPATH=YES by default
endif()
# Add path for custom modules
set(CMAKE_MODULE_PATH
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"

4
libunwind/CMakeLists.txt
View File

@ -8,10 +8,6 @@ endif()
cmake_minimum_required(VERSION 3.13.4)
if (POLICY CMP0042)
cmake_policy(SET CMP0042 NEW) # Set MACOSX_RPATH=YES by default
endif()
# Add path for custom modules
set(CMAKE_MODULE_PATH
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"

8
lldb/CMakeLists.txt
View File

@ -1,13 +1,5 @@
cmake_minimum_required(VERSION 3.13.4)
if(POLICY CMP0075)
cmake_policy(SET CMP0075 NEW)
endif()
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif()
# Add path for custom modules.
set(CMAKE_MODULE_PATH
${CMAKE_MODULE_PATH}

13
llvm/CMakeLists.txt
View File

@ -2,18 +2,7 @@
cmake_minimum_required(VERSION 3.13.4)
if(POLICY CMP0068)
cmake_policy(SET CMP0068 NEW)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
endif()
if(POLICY CMP0075)
cmake_policy(SET CMP0075 NEW)
endif()
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif()
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
if(NOT DEFINED LLVM_VERSION_MAJOR)
set(LLVM_VERSION_MAJOR 12)

16
mlir/examples/standalone/CMakeLists.txt
View File

@ -1,20 +1,8 @@
cmake_minimum_required(VERSION 3.13.4)
if(POLICY CMP0068)
cmake_policy(SET CMP0068 NEW)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
endif()
if(POLICY CMP0075)
cmake_policy(SET CMP0075 NEW)
endif()
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif()
project(standalone-dialect LANGUAGES CXX C)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
set(CMAKE_CXX_STANDARD 14 CACHE STRING "C++ standard to conform to")
find_package(MLIR REQUIRED CONFIG)