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mdbx-cmake: initial support for C++23.

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This commit is contained in:
Leonid Yuriev 2021-11-07 02:17:26 +03:00
parent 630ef98951
commit c456625ef2
1 changed files with 4 additions and 0 deletions
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4
CMakeLists.txt
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@ -334,12 +334,16 @@ list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_11 HAS_CXX11)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_14 HAS_CXX14)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_17 HAS_CXX17)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_20 HAS_CXX20)
list(FIND CMAKE_CXX_COMPILE_FEATURES cxx_std_23 HAS_CXX23)
if(NOT DEFINED MDBX_CXX_STANDARD)
if(DEFINED ENV{CMAKE_CXX_STANDARD})
set(CMAKE_CXX_STANDARD $ENV{CMAKE_CXX_STANDARD})
endif()
if(DEFINED CMAKE_CXX_STANDARD)
set(MDBX_CXX_STANDARD ${CMAKE_CXX_STANDARD})
elseif(NOT HAS_CXX23 LESS 0
AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12))
set(MDBX_CXX_STANDARD 23)
elseif(NOT HAS_CXX20 LESS 0
AND NOT (CMAKE_COMPILER_IS_CLANG AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9))
set(MDBX_CXX_STANDARD 20)