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C++20 support

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orignal 2024-08-28 11:34:07 -04:00
parent a93043f064
commit 4a4b76141a
3 changed files with 15 additions and 6 deletions
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9
build/CMakeLists.txt
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@ -157,18 +157,21 @@ else()
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -ffunction-sections -fdata-sections")
set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "-Wl,--gc-sections") # -flto is added from above
# check for c++17 & c++11 support
# check for с++20 & c++17 & c++11 support
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=c++20" CXX20_SUPPORTED)
CHECK_CXX_COMPILER_FLAG("-std=c++17" CXX17_SUPPORTED)
CHECK_CXX_COMPILER_FLAG("-std=c++11" CXX11_SUPPORTED)
if(CXX17_SUPPORTED)
if(CXX20_SUPPORTED)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++20")
elseif(CXX17_SUPPORTED)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
elseif(CXX11_SUPPORTED)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
else()
message(SEND_ERROR "C++17 nor C++11 standard not seems to be supported by compiler. Too old version?")
message(SEND_ERROR "C++20 nor C++17 nor C++11 standard not seems to be supported by compiler. Too old version?")
endif()
endif()