Cmake安装/简单测试/错误解决

本文详细介绍了如何在Ubuntu 12.04上安装CMake,并通过一个简单的Hello World示例展示了CMake的基本用法。同时,文章还列举了在使用过程中可能遇到的问题及其解决方案。

1.Cmake的安装(Ubuntu12.04)

$ apt-get install cmake
 
2.查看Cmake版本
$ cmake --version
$ cmake version 2.8.7
 
3.HelloWorld简单例子
1) 新建一个helloworld文件夹,存放源码:
$ mkdir -p ~/work/helloworld
 
2) 将准备好的helloworld.cpp与CMakeLlists都存放到该文件夹:
$ cd ~/work/helloworld
$ gedit helloworld.cpp
代码如下:
#include<iostream>

int main(int argc, char *argv[]){
    std::cout <<"Hello world!" << std::endl;
    return 0;           
}
$ gedit CMakeLists.txt
代码如下:
3) 生成Makefile文件
$ cmake . (后面的 . 表示CMakeLists所在路径,即当前路径)

cmake成功后,当前文件夹会增加CMakeCache.txt,camke_install.txt,CMakeFiles,Makefile四个文件。

 
4)编译
$ make
编译成功,生成hello目标文件
 
5)执行目标文件
$ ./hello
$ Hello World!
 
4.出现问题及解决办法:
1)在生成Makefile执行 cmake .后,出现错误提示:
CMake Error: The source directory "/home/simon/work/build" does not appear to contain CMakeLists.txt.
原因:在写CMakeLists.txt时将文件名写成Cmakelists.txt
解决:$ mv Cmakelists.txt CMakeLists.txt (一定注意大小写)
 
2)再次cmake .后,出现错误提示:
CMake Error: your CXX compiler: "CMAKE_CXX_COMPILER-NOTFOUND" was not found. Please set CMAKE_CXX_COMPILER to a valid compiler path or name.
原因:没有安装build-essential
解决:$ sudo apt-get updata && sudo apt-get install build-essential
 
 

转载于:https://www.cnblogs.com/chengzhicc/p/6066147.html

CMake Error at /usr/share/cmake-3.22/Modules/CMakeDetermineSystem.cmake:181 (file): file failed to open for writing (No such file or directory): /home/nvidia/librealsense/build/CMakeFiles/CMakeOutput.log Call Stack (most recent call first): CMakeLists.txt:5 (project) CMake Error: Could not open file for write in copy operation /home/nvidia/librealsense/build/CMakeFiles/3.22.1/CMakeSystem.cmake.tmp CMake Error: : System Error: No such file or directory CMake Error at /usr/share/cmake-3.22/Modules/CMakeDetermineSystem.cmake:193 (configure_file): configure_file Problem configuring file Call Stack (most recent call first): CMakeLists.txt:5 (project) CMake Error at /usr/share/cmake-3.22/Modules/CMakeDetermineCompilerId.cmake:300 (file): file problem creating directory: /home/nvidia/librealsense/build/CMakeFiles/3.22.1/CompilerIdCXX Call Stack (most recent call first): /usr/share/cmake-3.22/Modules/CMakeDetermineCompilerId.cmake:6 (CMAKE_DETERMINE_COMPILER_ID_BUILD) /usr/share/cmake-3.22/Modules/CMakeDetermineCompilerId.cmake:59 (__determine_compiler_id_test) /usr/share/cmake-3.22/Modules/CMakeDetermineCXXCompiler.cmake:120 (CMAKE_DETERMINE_COMPILER_ID) CMakeLists.txt:5 (project) CMake Error at /usr/share/cmake-3.22/Modules/CMakeDetermineCompilerId.cmake:300 (file): file problem creating directory: /home/nvidia/librealsense/build/CMakeFiles/3.22.1/CompilerIdCXX Call Stack (most recent call first): /usr/share/cmake-3.22/Modules/CMakeDetermineCompilerId.cmake:6 (CMAKE_DETERMINE_COMPILER_ID_BUILD) /usr/share/cmake-3.22/Modules/CMakeDetermineCompilerId.cmake:59 (__determine_compiler_id_test) /usr/share/cmake-3.22/Modules/CMakeDetermineCXXCompiler.cmake:120 (CMAKE_DETERMINE_COMPILER_ID) CMakeLists.txt:5 (project) CMake Error at /usr/share/cmake-3.22/Modules/CMakeDetermineCompilerId.cmake:300 (file): file problem creating directory: /home/nvidia/librealsense/build/CMakeFiles/3.22.1/CompilerIdCXX Call Stack (most recent call first): 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