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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
28 lines
931 B
CMake
28 lines
931 B
CMake
include(Compiler/OrangeC)
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include(Compiler/CMakeCommonCompilerMacros)
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set(_ORANGEC_COMPILE_CXX " -x c++")
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set(CMAKE_CXX_COMPILE_OPTIONS_EXPLICIT_LANGUAGE -x c++)
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set(CMAKE_CXX_OUTPUT_EXTENSION ".o")
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set(CMAKE_CXX_VERBOSE_FLAG "-yyyyy")
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#- OrangeC is a little lax when accepting compiler version specifications.
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# Usually changing the version only changes the value of __cplusplus.
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# Also we don't support CXX98
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set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
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set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=c++11")
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set(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT ON)
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set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14")
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set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=c++14")
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set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON)
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set(CMAKE_CXX_STANDARD_LATEST 14)
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__compiler_orangec(CXX)
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#- 6.38 is the earliest version which version info is available in the preprocessor
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__compiler_check_default_language_standard(CXX 6.38 14)
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