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MSVC: Revert use of temporary -std:c++23preview flag for C++23

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Revert commit b3f1c60aff (MSVC: Use -std:c++23preview flag for C++23
when available, 2025-03-12), except for the VS flag table update.
MSVC documentation states that the flag will be removed in the future
when `-std:c++23` is added.  Therefore it is only suitable for manual
specification by end-users.

Issue: #26692
This commit is contained in:
Brad King
2025-03-14 09:54:28 -04:00
parent b3f1c60aff
commit d54916d03a
1 changed files with 1 additions and 5 deletions
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6
Modules/Compiler/MSVC-CXX.cmake
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@@ -42,11 +42,7 @@ if ((CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.0.24215.1 AND
set(CMAKE_CXX_STANDARD_LATEST 20)
endif()
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.43.34808)
set(CMAKE_CXX23_STANDARD_COMPILE_OPTION "-std:c++23preview")
set(CMAKE_CXX23_EXTENSION_COMPILE_OPTION "-std:c++23preview")
set(CMAKE_CXX_STANDARD_LATEST 23)
elseif(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.29.30129)
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.29.30129)
set(CMAKE_CXX23_STANDARD_COMPILE_OPTION "-std:c++latest")
set(CMAKE_CXX23_EXTENSION_COMPILE_OPTION "-std:c++latest")
set(CMAKE_CXX_STANDARD_LATEST 23)