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Windows.Clang.toolchain.cmake
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Windows.Clang.toolchain.cmake
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#----------------------------------------------------------------------------------------------------------------------
# MIT License
#
# Copyright (c) 2021 Mark Schofield
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#----------------------------------------------------------------------------------------------------------------------
#
# This CMake toolchain file configures a CMake, non-'Visual Studio Generator' build to use
# the Clang compilers and tools on Windows.
#
# The following variables can be used to configure the behavior of this toolchain file:
#
# | CMake Variable | Description |
# |---------------------------------------------|-----------------------------------------------------------------------------------------------------------------|
# | CMAKE_SYSTEM_VERSION | The version of the operating system for which CMake is to build. Defaults to '10.0.19041.0'. |
# | CMAKE_SYSTEM_PROCESSOR | The processor to compiler for. One of 'x86', 'x64', 'arm', 'arm64'. Defaults to ${CMAKE_HOST_SYSTEM_PROCESSOR}. |
# | CMAKE_WINDOWS_KITS_10_DIR | The location of the root of the Windows Kits 10 directory. |
# | CLANG_TIDY_CHECKS | List of rules clang-tidy should check. Defaults not set. |
#
# The toolchain file will set the following variables:
#
# | CMake Variable | Description |
# |---------------------------------------------|-------------------------------------------------------------------------------------------------------|
# | CMAKE_C_COMPILER | The path to the C compiler to use. |
# | CMAKE_CXX_COMPILER | The path to the C++ compiler to use. |
# | CMAKE_MT | The path to the 'mt.exe' tool to use. |
# | CMAKE_RC_COMPILER | The path tp the 'rc.exe' tool to use. |
# | CMAKE_SYSTEM_NAME | Windows |
# | WIN32 | 1 |
# | CMAKE_CXX_CLANG_TIDY | The commandline clang-tidy is used if CLANG_TIDY_CHECKS was set. |
#
# Resources:
# <https://cmake.org/cmake/help/latest/manual/cmake-toolchains.7.html>
#
cmake_minimum_required(VERSION 3.20)
include_guard()
if(NOT (CMAKE_HOST_SYSTEM_NAME STREQUAL Windows))
return()
endif()
set(UNUSED ${CMAKE_TOOLCHAIN_FILE}) # Note: only to prevent cmake unused variable warninig
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES "CMAKE_SYSTEM_PROCESSOR;CMAKE_CROSSCOMPILING")
set(CMAKE_CROSSCOMPILING TRUE)
set(WIN32 1)
if(NOT CMAKE_SYSTEM_PROCESSOR)
set(CMAKE_SYSTEM_PROCESSOR ${CMAKE_HOST_SYSTEM_PROCESSOR})
endif()
if(NOT CMAKE_VS_VERSION_RANGE)
set(CMAKE_VS_VERSION_RANGE "[16.0,)")
endif()
if(NOT CMAKE_VS_VERSION_PRERELEASE)
set(CMAKE_VS_VERSION_PRERELEASE OFF)
endif()
include("${CMAKE_CURRENT_LIST_DIR}/VSWhere.cmake")
# Find Clang
#
findVisualStudio(
VERSION ${CMAKE_VS_VERSION_RANGE}
PRERELEASE ${CMAKE_VS_VERSION_PRERELEASE}
REQUIRES
Microsoft.VisualStudio.Component.VC.Llvm.Clang
PROPERTIES
installationVersion VS_INSTALLATION_VERSION
installationPath VS_INSTALLATION_PATH
)
set(TOOLCHAIN_C_COMPILER_EXE clang.exe)
if(CMAKE_C_COMPILER_FRONTEND_VARIANT STREQUAL MSVC)
set(TOOLCHAIN_C_COMPILER_EXE clang-cl.exe)
endif()
find_program(CMAKE_C_COMPILER
${TOOLCHAIN_C_COMPILER_EXE}
HINTS
"${VS_INSTALLATION_PATH}/VC/Tools/Llvm/x64/bin"
"$ENV{ProgramFiles}/LLVM/bin"
REQUIRED
)
set(TOOLCHAIN_CXX_COMPILER_EXE clang++.exe)
if(CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL MSVC)
set(TOOLCHAIN_CXX_COMPILER_EXE clang-cl.exe)
endif()
find_program(CMAKE_CXX_COMPILER
${TOOLCHAIN_CXX_COMPILER_EXE}
HINTS
"${VS_INSTALLATION_PATH}/VC/Tools/Llvm/x64/bin"
"$ENV{ProgramFiles}/LLVM/bin"
REQUIRED
)
if(CLANG_TIDY_CHECKS)
get_filename_component(CLANG_PATH ${CMAKE_CXX_COMPILER} DIRECTORY CACHE)
set(CMAKE_CXX_CLANG_TIDY "${CLANG_PATH}/clang-tidy.exe;-checks=${CLANG_TIDY_CHECKS}")
endif()
# Windows Kits
include("${CMAKE_CURRENT_LIST_DIR}/Windows.Kits.cmake")