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added c++23 support. removed gcc 8-9

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orignal
2026-08-15 07:33:21 -04:00
parent dfcb8a8043
commit f84f83e5df
1 changed files with 6 additions and 8 deletions
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build/CMakeLists.txt
+6 -8
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@@ -221,10 +221,6 @@ if(NOT "${_SANITIZE_FLAGS}" STREQUAL "")
#set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${_X}")
endif()
if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0 AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0) # gcc 8-9
list(APPEND CMAKE_REQUIRED_LIBRARIES "stdc++fs")
endif()
# Use std::atomic instead of GCC builtins on macOS PowerPC:
# For more information refer to: https://github.com/PurpleI2P/i2pd/issues/1726#issuecomment-1306335111
# This has been fixed in Boost 1.81, nevertheless we retain the setting for the sake of compatibility.
@@ -316,21 +312,23 @@ endif()
# C++ standard to use, based on compiler and version of boost
if(NOT MSVC)
# check for c++20 & c++17 support
# check for c++23, c++20, c++17 support
include(CheckCXXCompilerFlag)
if(Boost_VERSION VERSION_GREATER_EQUAL "1.81") # min boost version for c++20
CHECK_CXX_COMPILER_FLAG("-std=c++23" CXX23_SUPPORTED)
CHECK_CXX_COMPILER_FLAG("-std=c++20" CXX20_SUPPORTED)
endif()
CHECK_CXX_COMPILER_FLAG("-std=c++17" CXX17_SUPPORTED)
if(CXX20_SUPPORTED)
if(CXX23_SUPPORTED)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++23")
elseif(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")
else()
message(SEND_ERROR "C++20 nor C++17 standard not seems to be supported by compiler. Too old version?")
message(SEND_ERROR "C++23 nor C++20 nor C++17 standard not seems to be supported by compiler. Too old version?")
endif()
endif()