安装g2o依赖项:
sudo apt-get install libqt4-dev qt4-qmake libqglviewer-dev libsuitesparse-dev libcxsparse3.1.2 libcholmod-dev
//根据14讲书,注:最后一个依赖项需要table键来填充名称
https://www.cnblogs.com/ChrisCoder/p/7222430.html#_label4
//(参考配置大全)我的也是2.1.2
https://blog.csdn.net/felaim/article/details/60138647
sudo apt-get install cmake libeigen3-dev libsuitesparse-dev libqt4-dev qt4-qmake libqglviewer-dev
//重新安装参考:https://blog.csdn.net/j_____j/article/details/78767653
BUG处理
not providing “FindG2O.cmake” in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by “G2O”,but CMakedid not find one.
原因及解决:
定义了CMAKE_MODULE_PATH但是没有相应的文件夹和文件,所以应该有新建一个包含FindG2O.cmake文件的文件夹CMAKE_MODULE_PATH,该文件夹和build文件夹并列放在该项目文件夹中。
参考:https://blog.csdn.net/github_38704428/article/details/78522374
error:no matching function for call to‘g2o::BlockSolver<g2o::BlockSolverTraits<3,1>>::BlockSolver(g2o::BlockSolver<g2o::BlockSolverTraits<3,1> >::LinearSolverType*&)’
代码书写问题,参考:
https://blog.csdn.net/weixin_38358435/article/details/79082733
https://blog.csdn.net/handsome_for_kill/article/details/53288771
error:while loading shared libraries: libg2o_core.so: cannot open shared object file: No such file or directory
参考:https://blog.csdn.net/icameling/article/details/78400413
https://blog.csdn.net/icameling/article/details/78400413
error:stray‘\343’in program
// 可能程序本身的语法没有问题,但是,出错行中包含不被识别的字符,比如空格的格式不对;
// 将程序中出错行前面的空格删除,重新插入空格或tab键,重新编译,错误消失。