aajanki/rtmpdump — pull request #2 by nanonyme (2012-06-08 16:24:58+00:00)
Title: Fix build on POSIX

http://www.kernel.org/doc/man-pages/online/pages/man3/atan.3.html

"Link with -lm."

Without this there's a build failure looking up atan and some other mathematical symbols on Linux