mirror of
https://github.com/Kitware/CMake.git
synced 2025-12-31 02:39:48 -06:00
7c38e6bb52
Add a variable to indicate the latest standard known to be supported for
each language:
* `CMAKE_C_STANDARD_LATEST`
* `CMAKE_CXX_STANDARD_LATEST`
* `CMAKE_CUDA_STANDARD_LATEST`
* `CMAKE_HIP_STANDARD_LATEST`
* `CMAKE_OBJC_STANDARD_LATEST`
* `CMAKE_OBJCXX_STANDARD_LATEST`
These variables, more generally referred to as
`CMAKE_<LANG>_STANDARD_LATEST`, are assigned an integer value which
represents the minimum between the latest version of the associated
language standard supported by the current compiler and the latest
version supported by CMake.
Add documentation for these variables in a new page called
`CMAKE_<LANG>_STANDARD_LATEST` was added under the "Variables for
Languages" section of the `cmake-variables(7)` page.
Update each compiler-specific CMake script under
`${CMAKE_ROOT}\Modules\Compiler` to manually define the relevant
`CMAKE_<LANG>_STANDARD_LATEST` variable as necessary. This will
require updating and maintaining as newer compiler versions become
recognized by CMake.
Closes: #25717
181 lines
7.2 KiB
CMake
181 lines
7.2 KiB
CMake
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# This module is shared by multiple languages; use include blocker.
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if(__COMPILER_NVIDIA)
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return()
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endif()
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set(__COMPILER_NVIDIA 1)
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include(Compiler/CMakeCommonCompilerMacros)
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macro(__compiler_nvidia_cxx_standards lang)
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if("x${CMAKE_${lang}_SIMULATE_ID}" STREQUAL "xMSVC")
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# MSVC requires c++14 as the minimum level
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set(CMAKE_${lang}03_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}03_EXTENSION_COMPILE_OPTION "")
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# MSVC requires c++14 as the minimum level
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set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "")
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set(CMAKE_${lang}_STANDARD_LATEST 11)
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if (NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 9.0)
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if(CMAKE_${lang}_SIMULATE_VERSION VERSION_GREATER_EQUAL 19.10.25017)
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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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else()
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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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endif()
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set(CMAKE_${lang}_STANDARD_LATEST 14)
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endif()
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if (NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 11.0)
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if(CMAKE_${lang}_SIMULATE_VERSION VERSION_GREATER_EQUAL 19.11.25505)
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set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std=c++17")
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set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std=c++17")
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set(CMAKE_${lang}_STANDARD_LATEST 17)
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endif()
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endif()
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if (NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 12.0)
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if(CMAKE_${lang}_SIMULATE_VERSION VERSION_GREATER_EQUAL 19.11.25505)
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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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set(CMAKE_${lang}_STANDARD_LATEST 20)
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endif()
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endif()
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else()
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set(CMAKE_${lang}03_STANDARD_COMPILE_OPTION "")
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set(CMAKE_${lang}03_EXTENSION_COMPILE_OPTION "")
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set(CMAKE_${lang}11_STANDARD_COMPILE_OPTION "-std=c++11")
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set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "-std=c++11")
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set(CMAKE_${lang}_STANDARD_LATEST 11)
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if (NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 9.0)
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set(CMAKE_${lang}03_STANDARD_COMPILE_OPTION "-std=c++03")
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set(CMAKE_${lang}03_EXTENSION_COMPILE_OPTION "-std=c++03")
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set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "-std=c++14")
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set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "-std=c++14")
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set(CMAKE_${lang}_STANDARD_LATEST 14)
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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}17_STANDARD_COMPILE_OPTION "-std=c++17")
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set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std=c++17")
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set(CMAKE_${lang}_STANDARD_LATEST 17)
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endif()
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if (NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 12.0)
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set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std=c++20")
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set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std=c++20")
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set(CMAKE_${lang}_STANDARD_LATEST 20)
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endif()
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endif()
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__compiler_check_default_language_standard(${lang} 6.0 03)
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endmacro()
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macro(__compiler_nvidia_cuda_flags lang)
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set(CMAKE_${lang}_VERBOSE_FLAG "-v")
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set(CMAKE_${lang}_VERBOSE_COMPILE_FLAG "-Xcompiler=-v")
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set(_CMAKE_COMPILE_AS_${lang}_FLAG "-x cu")
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if (CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 10.2.89)
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# The -forward-unknown-to-host-compiler flag was only
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# added to nvcc in 10.2 so before that we had no good
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# way to invoke the NVCC compiler and propagate unknown
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# flags such as -pthread to the host compiler
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set(_CMAKE_${lang}_EXTRA_FLAGS "-forward-unknown-to-host-compiler")
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else()
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set(_CMAKE_${lang}_EXTRA_FLAGS "")
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endif()
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL "8.0.0")
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set(_CMAKE_${lang}_EXTRA_DEVICE_LINK_FLAGS "-Wno-deprecated-gpu-targets")
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else()
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set(_CMAKE_${lang}_EXTRA_DEVICE_LINK_FLAGS "")
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endif()
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if(CMAKE_${lang}_HOST_COMPILER AND NOT CMAKE_GENERATOR MATCHES "Visual Studio")
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string(APPEND _CMAKE_${lang}_EXTRA_FLAGS " -ccbin=<CMAKE_${lang}_HOST_COMPILER>")
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endif()
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if (CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 10.2.89)
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# Starting in 10.2, nvcc supported treating all warnings as errors
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set(CMAKE_${lang}_COMPILE_OPTIONS_WARNING_AS_ERROR "-Werror" "all-warnings")
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endif()
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set(CMAKE_${lang}_DEPFILE_FORMAT gcc)
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if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
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AND CMAKE_GENERATOR MATCHES "Makefiles|WMake")
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set(CMAKE_${lang}_DEPENDS_USE_COMPILER TRUE)
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endif()
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if (CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 10.2.89)
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# The -MD flag was only added to nvcc in 10.2 so
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# before that we had to invoke the compiler twice
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# to get header dependency information
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set(CMAKE_DEPFILE_FLAGS_${lang} "-MD -MT <DEP_TARGET> -MF <DEP_FILE>")
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else()
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set(CMAKE_${lang}_DEPENDS_EXTRA_COMMANDS "<CMAKE_${lang}_COMPILER> ${_CMAKE_${lang}_EXTRA_FLAGS} <DEFINES> <INCLUDES> <FLAGS> ${_CMAKE_COMPILE_AS_${lang}_FLAG} -M <SOURCE> -MT <OBJECT> -o <DEP_FILE>")
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endif()
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if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 11.2)
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set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
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set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
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endif()
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if(NOT "x${CMAKE_${lang}_SIMULATE_ID}" STREQUAL "xMSVC")
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIE -Xcompiler=-fPIE)
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIC -Xcompiler=-fPIC)
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set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY -Xcompiler=-fvisibility=)
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# CMAKE_SHARED_LIBRARY_${lang}_FLAGS is sent to the host linker so we
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# don't need to forward it through nvcc.
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set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS -fPIC)
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string(APPEND CMAKE_${lang}_FLAGS_INIT " ")
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string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT " -g")
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string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT " -O3 -DNDEBUG")
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string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT " -O1 -DNDEBUG")
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string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -O2 -g -DNDEBUG")
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endif()
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set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS -shared)
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set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
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if (CMAKE_${lang}_SIMULATE_ID STREQUAL "GNU")
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Wl,")
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP ",")
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elseif(CMAKE_${lang}_SIMULATE_ID STREQUAL "Clang")
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Xlinker" " ")
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP)
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endif()
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set(CMAKE_${lang}_RUNTIME_LIBRARY_LINK_OPTIONS_STATIC "cudadevrt;cudart_static")
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set(CMAKE_${lang}_RUNTIME_LIBRARY_LINK_OPTIONS_SHARED "cudadevrt;cudart")
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set(CMAKE_${lang}_RUNTIME_LIBRARY_LINK_OPTIONS_NONE "")
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if(UNIX AND NOT (CMAKE_SYSTEM_NAME STREQUAL "QNX"))
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list(APPEND CMAKE_${lang}_RUNTIME_LIBRARY_LINK_OPTIONS_STATIC "rt" "pthread" "dl")
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endif()
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if (CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL "9.0")
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set(CMAKE_${lang}_RESPONSE_FILE_DEVICE_LINK_FLAG "--options-file ")
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set(CMAKE_${lang}_RESPONSE_FILE_FLAG "--options-file ")
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endif()
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if (CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL "11.0")
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set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_INCLUDES 1)
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set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_LIBRARIES 1)
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set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_OBJECTS 1)
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else()
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set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_INCLUDES 0)
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set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_LIBRARIES 0)
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set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_OBJECTS 0)
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endif()
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endmacro()
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