针对你遇到的问题“the compiler feature 'cxx_std_20' is not known to cxx compiler”,这通常意味着你的编译器不支持C++20标准,或者编译器的配置没有正确设置为使用C++20标准。下面我将根据给出的提示,逐一提供可能的解决方案: 确认编译器版本支持C++20标准: 不同的编译器对C++20标准的支持情况各不相同。例...
最近开始摸索ros2 ,记录一些自己使用过程中的问题 编译ros2 cpp_pubsub例子时编译一直出问题: --- stderr: cpp_pubsub CMake Error in CMakeLists.txt: The compiler feature "cxx_std_17" is not known to CXX compiler "GNU" version 4.8.5. CMake Generate step failed. Build files cannot be reg...
Attached test crashes in clang codegen after fd87d76. The test has been creduced from some 600,000+ lines of preprocessed Windows blender code. The crash happens in the same place in the full code (but the expression is used). t.cpp:66:2...
log4cxx:x64-windows@1.2.0 Detecting compiler hash for triplet x64-windows... Compiler found: C:/Dev/VS2019/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe Restored 0 package(s) from C:\Users\user\AppData\Local\vcpkg\archives in 299 us. Use --debug to see more details. Installi...
①举例:std::not_fn，表格写着GCC7支持，意思就是GCC7及往后的新版GCC都支持该特性，GCC12也支持该...
C++cppcompiler Pinned XX Microsoft Resolution - Xiaoxiao Xu [MSFT] Closed - Not a Bug··· Thanks for reporting the issue. but We determined that this issue is by design, because the std.core and std.filesystem modules do not export the experim...
It seems that CMake's set(CMAKE_CXX_STANDARD 11) approach does not work, since a configure can succeed, but the build fail. Example of problem Try to configure a CMake build with an older compiler before C++11 support, e.g., GCC 4.4 or M...
Please note that the Scala-based Spark interface is not yet supported. Optimize and bound the size of the histogram on CPU, to control memory footprint XGBoost has a new parameter max_cached_hist_node for users to limit the CPU cache size for histograms. It can help prevent XGBoost from ...
CMAKE_CXX_KNOWN_FEATURES - CMake 3.21.4 Documentation cxx_std_17对应C++17标准。然而你的GCC版本...
①举例:std::not_fn，表格写着GCC7支持，意思就是GCC7及往后的新版GCC都支持该特性，GCC12也支持该...