opencv compiler failed

[henry861114]

opencv/build/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: io.h: No such file or directory

need to update opencv version to solve this problem

[innerlee]

What's your OS, and is anaconda on the PATH?

[potatowarriors]

How to use it in anaconda env
My OS is ubuntu