mirror of
https://github.com/Detanup01/gbe_fork.git
synced 2024-12-04 00:05:36 +08:00
276 lines
12 KiB
CMake
276 lines
12 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# This module is shared by multiple languages; use include blocker.
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if(__COMPILER_CLANG)
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return()
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endif()
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set(__COMPILER_CLANG 1)
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include(Compiler/CMakeCommonCompilerMacros)
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set(__pch_header_C "c-header")
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set(__pch_header_CXX "c++-header")
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set(__pch_header_OBJC "objective-c-header")
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set(__pch_header_OBJCXX "objective-c++-header")
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if("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC"
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OR "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC"
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OR "x${CMAKE_Fortran_SIMULATE_ID}" STREQUAL "xMSVC")
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macro(__compiler_clang lang)
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endmacro()
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else()
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include(Compiler/GNU)
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macro(__compiler_clang lang)
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__compiler_gnu(${lang})
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
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# Link options for PIE are already set in 'Compiler/GNU.cmake'
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# but clang may require alternate syntax on some platforms
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if (APPLE)
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set(CMAKE_${lang}_LINK_OPTIONS_PIE ${CMAKE_${lang}_COMPILE_OPTIONS_PIE} -Xlinker -pie)
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set(CMAKE_${lang}_LINK_OPTIONS_NO_PIE -Xlinker -no_pie)
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endif()
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set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
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set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.4.0)
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set(CMAKE_${lang}_COMPILE_OPTIONS_TARGET "-target ")
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set(CMAKE_${lang}_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN "-gcc-toolchain ")
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else()
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set(CMAKE_${lang}_COMPILE_OPTIONS_TARGET "--target=")
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set(CMAKE_${lang}_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN "--gcc-toolchain=")
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endif()
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Xlinker" " ")
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP)
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if(CMAKE_${lang}_COMPILER_TARGET AND "${lang}" STREQUAL "CXX")
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.4.0)
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list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-target" "${CMAKE_${lang}_COMPILER_TARGET}")
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else()
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list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "--target=${CMAKE_${lang}_COMPILER_TARGET}")
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endif()
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endif()
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set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
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set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
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string(COMPARE EQUAL "${CMAKE_${lang}_COMPILER_ID}" "AppleClang" __is_apple_clang)
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string(COMPARE EQUAL "${CMAKE_${lang}_COMPILER_ID}" "FujitsuClang" __is_fujitsu_clang)
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# '-flto=thin' available since Clang 3.9 and Xcode 8
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# * http://clang.llvm.org/docs/ThinLTO.html#clang-llvm
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# * https://trac.macports.org/wiki/XcodeVersionInfo
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set(_CMAKE_LTO_THIN TRUE)
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if(__is_apple_clang)
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 8.0)
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set(_CMAKE_LTO_THIN FALSE)
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endif()
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elseif(__is_fujitsu_clang)
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set(_CMAKE_LTO_THIN FALSE)
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else()
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.9)
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set(_CMAKE_LTO_THIN FALSE)
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endif()
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endif()
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if(_CMAKE_LTO_THIN)
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set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto=thin")
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else()
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set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto")
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endif()
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if(ANDROID AND NOT CMAKE_ANDROID_NDK_VERSION VERSION_GREATER_EQUAL "22")
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# https://github.com/android-ndk/ndk/issues/242
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set(CMAKE_${lang}_LINK_OPTIONS_IPO "-fuse-ld=gold")
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endif()
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if(ANDROID OR __is_apple_clang)
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set(__ar "${CMAKE_AR}")
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set(__ranlib "${CMAKE_RANLIB}")
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else()
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set(__ar "${CMAKE_${lang}_COMPILER_AR}")
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set(__ranlib "${CMAKE_${lang}_COMPILER_RANLIB}")
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endif()
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set(CMAKE_${lang}_ARCHIVE_CREATE_IPO
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"\"${__ar}\" cr <TARGET> <LINK_FLAGS> <OBJECTS>"
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)
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set(CMAKE_${lang}_ARCHIVE_APPEND_IPO
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"\"${__ar}\" r <TARGET> <LINK_FLAGS> <OBJECTS>"
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)
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set(CMAKE_${lang}_ARCHIVE_FINISH_IPO
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"\"${__ranlib}\" <TARGET>"
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)
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set(CMAKE_PCH_EXTENSION .pch)
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if (NOT CMAKE_GENERATOR MATCHES "Xcode")
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set(CMAKE_PCH_PROLOGUE "#pragma clang system_header")
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endif()
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 11.0.0 AND NOT __is_apple_clang)
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set(CMAKE_${lang}_COMPILE_OPTIONS_INSTANTIATE_TEMPLATES_PCH -fpch-instantiate-templates)
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endif()
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set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -Xclang -include-pch -Xclang <PCH_FILE> -Xclang -include -Xclang <PCH_HEADER>)
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set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -Xclang -emit-pch -Xclang -include -Xclang <PCH_HEADER> -x ${__pch_header_${lang}})
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# '-fcolor-diagnostics' introduced since Clang 2.6
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 2.6)
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set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS "-fcolor-diagnostics")
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set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS_OFF "-fno-color-diagnostics")
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endif()
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endmacro()
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endif()
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macro(__compiler_clang_cxx_standards lang)
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if("x${CMAKE_${lang}_COMPILER_FRONTEND_VARIANT}" STREQUAL "xGNU")
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if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 2.1)
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set(CMAKE_${lang}98_STANDARD_COMPILE_OPTION "-std=c++98")
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set(CMAKE_${lang}98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
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endif()
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if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.1)
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set(CMAKE_${lang}98_STANDARD__HAS_FULL_SUPPORT ON)
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set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "-std=c++11")
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set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
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set(CMAKE_${lang}11_STANDARD__HAS_FULL_SUPPORT ON)
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elseif(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 2.1)
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set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "-std=c++0x")
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set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "-std=gnu++0x")
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endif()
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if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.5)
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set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "-std=c++14")
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set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
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set(CMAKE_${lang}14_STANDARD__HAS_FULL_SUPPORT ON)
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elseif(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.4)
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set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "-std=c++1y")
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set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
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set(CMAKE_${lang}14_STANDARD__HAS_FULL_SUPPORT ON)
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endif()
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set(_clang_version_std17 5.0)
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if(CMAKE_SYSTEM_NAME STREQUAL "Android")
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set(_clang_version_std17 6.0)
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endif()
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if (NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS "${_clang_version_std17}")
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set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std=c++17")
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set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
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elseif (NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.5)
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set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std=c++1z")
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set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
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endif()
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if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 11.0)
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set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std=c++20")
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set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std=gnu++20")
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elseif(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS "${_clang_version_std17}")
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set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std=c++2a")
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set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
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endif()
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unset(_clang_version_std17)
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set(_clang_version_std23 17.0)
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if(CMAKE_SYSTEM_NAME STREQUAL "Android")
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set(_clang_version_std23 18.0)
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endif()
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if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS "${_clang_version_std23}")
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set(CMAKE_${lang}23_STANDARD_COMPILE_OPTION "-std=c++23")
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set(CMAKE_${lang}23_EXTENSION_COMPILE_OPTION "-std=gnu++23")
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set(CMAKE_${lang}26_STANDARD_COMPILE_OPTION "-std=c++26")
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set(CMAKE_${lang}26_EXTENSION_COMPILE_OPTION "-std=gnu++26")
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elseif(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 12.0)
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set(CMAKE_${lang}23_STANDARD_COMPILE_OPTION "-std=c++2b")
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set(CMAKE_${lang}23_EXTENSION_COMPILE_OPTION "-std=gnu++2b")
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endif()
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unset(_clang_version_std23)
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if("x${CMAKE_${lang}_SIMULATE_ID}" STREQUAL "xMSVC")
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# The MSVC standard library requires C++14, and MSVC itself has no
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# notion of operating in a mode not aware of at least that standard.
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set(CMAKE_${lang}98_STANDARD_COMPILE_OPTION "-std=c++14")
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set(CMAKE_${lang}98_EXTENSION_COMPILE_OPTION "-std=gnu++14")
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set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "-std=c++14")
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set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "-std=gnu++14")
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# This clang++ is missing some features because of MSVC compatibility.
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unset(CMAKE_${lang}11_STANDARD__HAS_FULL_SUPPORT)
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unset(CMAKE_${lang}14_STANDARD__HAS_FULL_SUPPORT)
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endif()
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__compiler_check_default_language_standard(${lang} 2.1 98)
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elseif(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 3.9
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AND CMAKE_${lang}_SIMULATE_VERSION VERSION_GREATER_EQUAL 19.0)
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# This version of clang-cl and the MSVC version it simulates have
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# support for -std: flags.
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set(CMAKE_${lang}98_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}98_EXTENSION_COMPILE_OPTION "")
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set(CMAKE_${lang}98_STANDARD__HAS_FULL_SUPPORT ON)
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set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "")
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set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "-std:c++14")
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set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "-std:c++14")
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
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set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std:c++17")
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set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std:c++17")
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else()
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set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std:c++latest")
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set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std:c++latest")
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endif()
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 13.0)
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set(CMAKE_${lang}23_STANDARD_COMPILE_OPTION "-std:c++latest")
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set(CMAKE_${lang}23_EXTENSION_COMPILE_OPTION "-std:c++latest")
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set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std:c++20")
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set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std:c++20")
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elseif(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
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set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std:c++latest")
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set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std:c++latest")
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endif()
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__compiler_check_default_language_standard(${lang} 3.9 14)
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else()
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# This version of clang-cl, or the MSVC version it simulates, does not have
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# language standards. Set these options as empty strings so the feature
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# test infrastructure can at least check to see if they are defined.
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set(CMAKE_${lang}98_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}98_EXTENSION_COMPILE_OPTION "")
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set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "")
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set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "")
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set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "")
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set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "")
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set(CMAKE_${lang}23_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}23_EXTENSION_COMPILE_OPTION "")
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# There is no meaningful default for this
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set(CMAKE_${lang}_STANDARD_DEFAULT "")
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# There are no compiler modes so we only need to test features once.
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# Override the default macro for this special case. Pretend that
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# all language standards are available so that at least compilation
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# can be attempted.
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macro(cmake_record_${lang}_compile_features)
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list(APPEND CMAKE_${lang}_COMPILE_FEATURES
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cxx_std_98
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cxx_std_11
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cxx_std_14
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cxx_std_17
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cxx_std_20
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cxx_std_23
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cxx_std_26
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)
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_record_compiler_features(${lang} "" CMAKE_${lang}_COMPILE_FEATURES)
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endmacro()
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endif()
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endmacro()
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