opencv的安装及填坑

opencv的配置方式：

https://blog.csdn.net/cocoaqin/article/details/78163171

输入Python时候报错：

ERROR: ld.so: object '/usr/lib/libtcmalloc_minimal.so.4' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored.

解决方法：

安装tcmalloc