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IBMClang: Add provisional flags for C++23

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With this one can use the IBM Open XL C/C++ compiler to build projects
that require feature `cxx_std_23`.
This commit is contained in:
Xing Xue
2023-09-25 16:39:35 -04:00
committed by Brad King
parent 9575e6f57b
commit 961a077238
1 changed files with 2 additions and 0 deletions
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Modules/Compiler/IBMClang-CXX.cmake
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@@ -31,6 +31,8 @@ if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 17.1.0)
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++20")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++20")
set(CMAKE_CXX23_STANDARD_COMPILE_OPTION "-std=c++2b")
set(CMAKE_CXX23_EXTENSION_COMPILE_OPTION "-std=gnu++2b")
endif()
__compiler_check_default_language_standard(CXX 17.1.0 17)