gcc环境变量、搜索路径及顺序:简单教程
在 ~/.bashrc 中添加环境变量
运行指令:vim ~/.bashrc
CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:/usr/local/include/vtk
export CPLUS_INCLUDE_PATH
export C_INCLUDE_PATH=$C_INCLUDE_PATH:/usr/local/include/vtk
保存后运行指令:source ~/.bashrc
然后查看gcc搜索路径:`gcc -print-prog-name=cc1` -v
如果没有出现添加的路径,重启或注销一下试试