The sample code of manpage mq_notify(3) in sys-apps/man-pages-2.42 will cause mis-compiling. The original code is: printf("Read %ld bytes from MQ0, (long) nr); However, it should be: printf("Read %ld bytes from MQ0, (long) nr"); Reproducible: Always Steps to Reproduce: 1. man 3 mq_notify
We are not patching manpages. Talk to upstream please. http://www.win.tue.nl/~aeb/linux/man/