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zdoom-macos-deps/deps/cmake/share/cmake-3.25/Modules/Compiler/Clang.cmake
alexey.lysiuk 8f83130649 deps: update cmake to 3.25.1
2023-01-10 16:43:43 +02:00

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CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# This module is shared by multiple languages; use include blocker.
if(__COMPILER_CLANG)
return()
endif()
set(__COMPILER_CLANG 1)
include(Compiler/CMakeCommonCompilerMacros)
set(__pch_header_C "c-header")
set(__pch_header_CXX "c++-header")
set(__pch_header_OBJC "objective-c-header")
set(__pch_header_OBJCXX "objective-c++-header")
if("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC"
OR "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC"
OR "x${CMAKE_Fortran_SIMULATE_ID}" STREQUAL "xMSVC")
macro(__compiler_clang lang)
endmacro()
else()
include(Compiler/GNU)
macro(__compiler_clang lang)
__compiler_gnu(${lang})
set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
# Link options for PIE are already set in 'Compiler/GNU.cmake'
# but clang may require alternate syntax on some platforms
if (APPLE)
set(CMAKE_${lang}_LINK_OPTIONS_PIE ${CMAKE_${lang}_COMPILE_OPTIONS_PIE} -Xlinker -pie)
set(CMAKE_${lang}_LINK_OPTIONS_NO_PIE -Xlinker -no_pie)
endif()
set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.4.0)
set(CMAKE_${lang}_COMPILE_OPTIONS_TARGET "-target ")
set(CMAKE_${lang}_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN "-gcc-toolchain ")
else()
set(CMAKE_${lang}_COMPILE_OPTIONS_TARGET "--target=")
set(CMAKE_${lang}_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN "--gcc-toolchain=")
endif()
set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Xlinker" " ")
set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP)
if(CMAKE_${lang}_COMPILER_TARGET)
if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.4.0)
list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-target" "${CMAKE_${lang}_COMPILER_TARGET}")
else()
list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "--target=${CMAKE_${lang}_COMPILER_TARGET}")
endif()
endif()
set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
string(COMPARE EQUAL "${CMAKE_${lang}_COMPILER_ID}" "AppleClang" __is_apple_clang)
string(COMPARE EQUAL "${CMAKE_${lang}_COMPILER_ID}" "FujitsuClang" __is_fujitsu_clang)
# '-flto=thin' available since Clang 3.9 and Xcode 8
# * http://clang.llvm.org/docs/ThinLTO.html#clang-llvm
# * https://trac.macports.org/wiki/XcodeVersionInfo
set(_CMAKE_LTO_THIN TRUE)
if(__is_apple_clang)
if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 8.0)
set(_CMAKE_LTO_THIN FALSE)
endif()
elseif(__is_fujitsu_clang)
set(_CMAKE_LTO_THIN FALSE)
else()
if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.9)
set(_CMAKE_LTO_THIN FALSE)
endif()
endif()
if(_CMAKE_LTO_THIN)
set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto=thin")
else()
set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto")
endif()
if(ANDROID AND CMAKE_ANDROID_NDK_VERSION VERSION_LESS "22")
# https://github.com/android-ndk/ndk/issues/242
set(CMAKE_${lang}_LINK_OPTIONS_IPO "-fuse-ld=gold")
endif()
if(ANDROID OR __is_apple_clang)
set(__ar "${CMAKE_AR}")
set(__ranlib "${CMAKE_RANLIB}")
else()
set(__ar "${CMAKE_${lang}_COMPILER_AR}")
set(__ranlib "${CMAKE_${lang}_COMPILER_RANLIB}")
endif()
set(CMAKE_${lang}_ARCHIVE_CREATE_IPO
"\"${__ar}\" cr <TARGET> <LINK_FLAGS> <OBJECTS>"
)
set(CMAKE_${lang}_ARCHIVE_APPEND_IPO
"\"${__ar}\" r <TARGET> <LINK_FLAGS> <OBJECTS>"
)
set(CMAKE_${lang}_ARCHIVE_FINISH_IPO
"\"${__ranlib}\" <TARGET>"
)
set(CMAKE_PCH_EXTENSION .pch)
if (NOT CMAKE_GENERATOR MATCHES "Xcode")
set(CMAKE_PCH_PROLOGUE "#pragma clang system_header")
endif()
if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 11.0.0 AND NOT __is_apple_clang)
set(CMAKE_${lang}_COMPILE_OPTIONS_INSTANTIATE_TEMPLATES_PCH -fpch-instantiate-templates)
endif()
set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -Xclang -include-pch -Xclang <PCH_FILE> -Xclang -include -Xclang <PCH_HEADER>)
set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -Xclang -emit-pch -Xclang -include -Xclang <PCH_HEADER> -x ${__pch_header_${lang}})
# '-fcolor-diagnostics' introduced since Clang 2.6
if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 2.6)
set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS "-fcolor-diagnostics")
set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS_OFF "-fno-color-diagnostics")
endif()
endmacro()
endif()
macro(__compiler_clang_cxx_standards lang)
if("x${CMAKE_${lang}_COMPILER_FRONTEND_VARIANT}" STREQUAL "xGNU")
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 2.1)
set(CMAKE_${lang}98_STANDARD_COMPILE_OPTION "-std=c++98")
set(CMAKE_${lang}98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
endif()
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.1)
set(CMAKE_${lang}98_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "-std=c++11")
set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
set(CMAKE_${lang}11_STANDARD__HAS_FULL_SUPPORT ON)
elseif(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 2.1)
set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "-std=c++0x")
set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "-std=gnu++0x")
endif()
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.5)
set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "-std=c++14")
set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
set(CMAKE_${lang}14_STANDARD__HAS_FULL_SUPPORT ON)
elseif(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.4)
set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "-std=c++1y")
set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
set(CMAKE_${lang}14_STANDARD__HAS_FULL_SUPPORT ON)
endif()
set(_clang_version_std17 5.0)
if(CMAKE_SYSTEM_NAME STREQUAL "Android")
set(_clang_version_std17 6.0)
endif()
if (NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS "${_clang_version_std17}")
set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std=c++17")
set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
elseif (NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.5)
set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std=c++1z")
set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
endif()
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 11.0)
set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std=c++20")
set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std=gnu++20")
elseif(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS "${_clang_version_std17}")
set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std=c++2a")
set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
endif()
unset(_clang_version_std17)
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 12.0)
set(CMAKE_${lang}23_STANDARD_COMPILE_OPTION "-std=c++2b")
set(CMAKE_${lang}23_EXTENSION_COMPILE_OPTION "-std=gnu++2b")
endif()
if("x${CMAKE_${lang}_SIMULATE_ID}" STREQUAL "xMSVC")
# The MSVC standard library requires C++14, and MSVC itself has no
# notion of operating in a mode not aware of at least that standard.
set(CMAKE_${lang}98_STANDARD_COMPILE_OPTION "-std=c++14")
set(CMAKE_${lang}98_EXTENSION_COMPILE_OPTION "-std=gnu++14")
set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "-std=c++14")
set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "-std=gnu++14")
# This clang++ is missing some features because of MSVC compatibility.
unset(CMAKE_${lang}11_STANDARD__HAS_FULL_SUPPORT)
unset(CMAKE_${lang}14_STANDARD__HAS_FULL_SUPPORT)
endif()
__compiler_check_default_language_standard(${lang} 2.1 98)
elseif(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 3.9
AND CMAKE_${lang}_SIMULATE_VERSION VERSION_GREATER_EQUAL 19.0)
# This version of clang-cl and the MSVC version it simulates have
# support for -std: flags.
set(CMAKE_${lang}98_STANDARD_COMPILE_OPTION "")
set(CMAKE_${lang}98_EXTENSION_COMPILE_OPTION "")
set(CMAKE_${lang}98_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "")
set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "")
set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "-std:c++14")
set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "-std:c++14")
if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std:c++17")
set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std:c++17")
else()
set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std:c++latest")
set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std:c++latest")
endif()
if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 13.0)
set(CMAKE_${lang}23_STANDARD_COMPILE_OPTION "-std:c++latest")
set(CMAKE_${lang}23_EXTENSION_COMPILE_OPTION "-std:c++latest")
set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std:c++20")
set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std:c++20")
elseif(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std:c++latest")
set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std:c++latest")
endif()
__compiler_check_default_language_standard(${lang} 3.9 14)
else()
# This version of clang-cl, or the MSVC version it simulates, does not have
# language standards. Set these options as empty strings so the feature
# test infrastructure can at least check to see if they are defined.
set(CMAKE_${lang}98_STANDARD_COMPILE_OPTION "")
set(CMAKE_${lang}98_EXTENSION_COMPILE_OPTION "")
set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "")
set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "")
set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "")
set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "")
set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "")
set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "")
set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "")
set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "")
set(CMAKE_${lang}23_STANDARD_COMPILE_OPTION "")
set(CMAKE_${lang}23_EXTENSION_COMPILE_OPTION "")
# There is no meaningful default for this
set(CMAKE_${lang}_STANDARD_DEFAULT "")
# There are no compiler modes so we only need to test features once.
# Override the default macro for this special case. Pretend that
# all language standards are available so that at least compilation
# can be attempted.
macro(cmake_record_${lang}_compile_features)
list(APPEND CMAKE_${lang}_COMPILE_FEATURES
cxx_std_98
cxx_std_11
cxx_std_14
cxx_std_17
cxx_std_20
cxx_std_23
cxx_std_26
)
_record_compiler_features(${lang} "" CMAKE_${lang}_COMPILE_FEATURES)
endmacro()
endif()
endmacro()
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