Harmonize cmake_policy() across standalone builds of all projects

Move `cmake_policy()` settings from `llvm/CMakeLists.txt` into a shared
`cmake/modules/CMakePolicy.cmake`.  Include it from all relevant
projects that support standalone builds, in order to ensure that
the policies are consistently set whether they are built in-tree
or stand-alone.

Differential Revision: https://reviews.llvm.org/D136572
This commit is contained in:
Michał Górny 2022-10-24 06:31:37 +02:00
parent fecf067db4
commit 9dd01a5241
8 changed files with 46 additions and 36 deletions

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@ -1,5 +1,11 @@
cmake_minimum_required(VERSION 3.13.4)
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()
include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
NO_POLICY_SCOPE)
# 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)
@ -136,10 +142,6 @@ if(CLANG_BUILT_STANDALONE)
endif() # LLVM_INCLUDE_TESTS
endif() # standalone
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()
# Make sure that our source directory is on the current cmake module path so that
# we can include cmake files from this directory.
list(INSERT CMAKE_MODULE_PATH 0

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@ -0,0 +1,12 @@
# CMake policy settings shared between LLVM projects
# 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)
cmake_policy(SET CMP0116 OLD)
endif()

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@ -1,5 +1,11 @@
cmake_minimum_required(VERSION 3.13.4)
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()
include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
NO_POLICY_SCOPE)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
# Flang requires C++17.
@ -233,10 +239,6 @@ include_directories(BEFORE
${FLANG_BINARY_DIR}/include
${FLANG_SOURCE_DIR}/include)
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${FLANG_SOURCE_DIR}/../cmake)
endif()
# Add Flang-centric modules to cmake path.
list(INSERT CMAKE_MODULE_PATH 0
"${FLANG_SOURCE_DIR}/cmake/modules"

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@ -1,5 +1,11 @@
cmake_minimum_required(VERSION 3.13.4)
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()
include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
NO_POLICY_SCOPE)
# If we are not building as a part of LLVM, build LLD as an
# standalone project, using LLVM as an external library:
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
@ -140,10 +146,6 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
"`CMakeFiles'. Please delete them.")
endif()
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${LLD_SOURCE_DIR}/../cmake)
endif()
# Add path for custom modules.
list(INSERT CMAKE_MODULE_PATH 0
"${LLD_SOURCE_DIR}/cmake/modules"

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@ -1,5 +1,11 @@
cmake_minimum_required(VERSION 3.13.4)
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()
include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
NO_POLICY_SCOPE)
# Add path for custom modules.
set(CMAKE_MODULE_PATH
${CMAKE_MODULE_PATH}

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@ -1,9 +1,3 @@
# 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)
cmake_policy(SET CMP0116 OLD)
endif()
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()

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@ -2,16 +2,9 @@
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)
cmake_policy(SET CMP0116 OLD)
endif()
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
NO_POLICY_SCOPE)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
@ -281,8 +274,6 @@ if(LLVM_ENABLE_GISEL_COV)
set(LLVM_GISEL_COV_PREFIX "${CMAKE_BINARY_DIR}/gisel-coverage-" CACHE STRING "Provide a filename prefix to collect the GlobalISel rule coverage")
endif()
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
# Add path for custom modules
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"

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@ -1,4 +1,11 @@
# MLIR project.
cmake_minimum_required(VERSION 3.13.4)
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()
include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
NO_POLICY_SCOPE)
# Check if MLIR is built as a standalone project.
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
@ -10,8 +17,6 @@ endif()
include(GNUInstallDirs)
if(MLIR_STANDALONE_BUILD)
cmake_minimum_required(VERSION 3.13.4)
find_package(LLVM CONFIG REQUIRED)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${LLVM_CMAKE_DIR})
include(HandleLLVMOptions)
@ -46,10 +51,6 @@ set(MLIR_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
set(MLIR_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
set(MLIR_TOOLS_DIR ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()
# Make sure that our source directory is on the current cmake module path so
# that we can include cmake files from this directory.
list(INSERT CMAKE_MODULE_PATH 0