Usage cmake [options] <path-to-source> cmake [options] <path-to-existing-build> cmake [options] -S <path-to-source> -B <path-to-build> Specify a source directory to (re-)generate a build system for it in the current working directory. Specify an existing build directory to re-generate its build system. Run 'cmake --help' for more information.

这是cmake命令的使用说明，它有以下几种用法：

1. 生成新的构建系统：

   cmake [options] <path-to-source>

这个命令会在当前工作目录中生成一个新的构建系统，使用指定的源代码目录。源代码目录里需要包含CMakeLists.txt文件，该文件描述了如何构建这个项目。可以使用一些选项来控制生成的构建系统，例如指定生成器、编译器选项等。

2. 重新生成已有的构建系统：

   cmake [options] <path-to-existing-build>

这个命令会重新生成指定的构建系统，使用原来的源代码目录和构建目录。可以使用一些选项来控制重新生成的构建系统，例如指定生成器、编译器选项等。

3. 指定源代码目录和构建目录：

   cmake [options] -S <path-to-source> -B <path-to-build>

这个命令会在指定的构建目录中生成一个新的构建系统，使用指定的源代码目录。可以使用一些选项来控制生成的构建系统，例如指定生成器、编译器选项等。

使用以上命令之前，需要先安装cmake，并了解CMakeLists.txt文件的编写方法和一些常见的选项。可以使用以下命令查看cmake的帮助文档：

cmake --help

相关问题

====================[ 构建 | 10_2_Sqlist_deleteshan_chu | Debug ]================= "C:\Program Files\JetBrains\CLion 2021.1.3\bin\cmake\win\bin\cmake.exe" --build "E:\code\10\10.2 Sqlist delete（shan chu）\cmake-build-debug" --target 10_2_Sqlist_deleteshan_chu -- -j 6 CMake Error: The source directory "E:/code/10/10.2 Sqlist delete锛坰han chu锛�/cmake-build-debug/chu閿涘 cmake-build-debug --check-build-system CMakeFiles/Makefile.cmake 0" does not exist. Specify --help for usage, or press the help button on the CMake GUI. mingw32-make.exe: *** [Makefile:194: cmake_check_build_system] Error 1 出现构建在100ms失败 但是新建文件就能运行成功

It seems that there is an issue with the build process of your project. The error message indicates that the source directory specified does not exist.

There could be a few reasons for this error. Here are a few steps you can try to resolve the issue:

1. Make sure that the source directory path specified in your CMakeLists.txt file is correct. Double-check the path and ensure that it matches the actual location of your source code.

2. Verify that the necessary files and directories are present in the specified source directory. It's possible that the required files are missing or have been moved.

3. If you have recently renamed or moved your project files, try deleting the existing build directory and rebuilding the project from scratch. This will ensure that the build process starts fresh and picks up any changes made to the project structure.

4. If you are using an IDE like CLion, try using the built-in clean and rebuild options to clear any cached build artifacts and perform a clean build.

If these steps do not resolve the issue, please provide more information about your project structure, CMakeLists.txt file, and any relevant code snippets so that I can assist you further.

CMake Error at CMakeLists.txt:2 (project):The CMAKE_C_COMPILER: /usr/bin/x86_64-w64-mingw32-gcc-11.2.0 is not a full path to an existing compiler tool. Tell CMake where to find the compiler by setting either the environment variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to the compiler, or to the compiler name if it is in the PATH.CMake (project)

这是一个 CMake 错误，它提示你指定的 C 编译器不存在或者路径不正确。你需要设置环境变量 "CC" 或者 CMake 缓存变量 CMAKE_C_COMPILER 来告诉 CMake 编译器的完整路径或者编译器名称（如果在 PATH 中）。你可以使用以下命令来设置环境变量：

export CC=/usr/bin/x86_64-w64-mingw32-gcc-11.2.0

或者在 CMakeLists.txt 中设置 CMAKE_C_COMPILER 变量：

set(CMAKE_C_COMPILER "/usr/bin/x86_64-w64-mingw32-gcc-11.2.0")

请确保编译器路径正确，否则你可能会遇到其他编译错误。