####### import core.sys.linux.epoll; void main() { epoll_event ev; } ####### Error: undefined identifier epoll_event ####### import core.sys.linux.epoll : epoll_event; void main() { epoll_event ev; } ####### Error: module core.sys.linux.epoll import 'epoll_event' not found This holds true for everything declared in the module. Other modules in core.sys.linux are fine. Verified on 2.063 and 2.063.2.
This is alread fixed in master by https://github.com/D-Programming-Language/druntime/pull/489.