Version 1.0.1 is available upstream. Please consider updating! It seems that version 1.0.1 is available upstream, while the latest version in the Gentoo tree is 0_pre20200524-r2. You think this warning is false? Read more about it here.
MJPG-streamer takes JPGs from Linux-UVC compatible webcams, filesystem or
other input plugins and streams them as M-JPEG via HTTP to webbrowsers,
VLC and other software. It is the successor of uvc-streamer, a Linux-UVC
streaming application with Pan/Tilt