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
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...
1.3 工程描述文件 在cmake的描述文件project定义前启用import std特性, 并设置相关C++23标准及模块std, 其中cmake需要3.3及以上才支持CMAKE_EXPERIMENTAL_CXX_IMPORT_STD并不同版本对应ID可能不一样(后面会介绍确定方法) cmake_minimum_required(VERSION4.0.2)# https://github.com/Kitware/CMake/blob/master/Help/...
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...
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...
C++cppcompiler Pinned AG Microsoft Resolution -Anonymized GDPR 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 experimental filesystem ...
#include "dcmtk/ofstd/ofconapp.h" #include "dcmtk/dcmdata/dcuid.h" /* for dcmtk version name */ #ifdef WITH_ZLIB #include <zlib.h> /* for zlibVersion() */ #endif #define OFFIS_CONSOLE_APPLICATION "dsr2html" static char rcsid[] = "$dcmtk: " OFFIS_CONSOLE_APPLICATION " v" OFF...
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...
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 ...