When I compile Tor from Git (6c173d00f5ecba150b1a70a68de6102428d65f51) on FreeBSD, I get this error: ``` neel@xb3:~/code/tor/tor % make make all-am CCLD src/test/test-slow /usr/bin/ld: error: unable to find library -levent cc: error: linker command failed with exit code 1 (use -v to see invocation) *** Error code 1 Stop. make[1]: stopped in /usr/home/neel/code/tor/tor *** Error code 1 Stop. make: stopped in /usr/home/neel/code/tor/tor neel@xb3:~/code/tor/tor % ``` This error exists on 11.2 and 12.0.