On Oct 3, 2011, at 9:12 PM, mrivera wrote: > michael-riveras-computer:~ michaelrivera$ cd /usr/local/bin > michael-riveras-computer:/usr/local/bin michaelrivera$ printenv PATH > /opt/local/bin:/opt/local/sbin:/opt/local/bin:/opt/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin > michael-riveras-computer:/usr/local/bin michaelrivera$ PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin You really shouldn't leave out the /opt/local directories. They were put there by MacPorts. > michael-riveras-computer:/usr/local/bin michaelrivera$ ls > bison yacc > michael-riveras-computer:/usr/local/bin michaelrivera$ which bison > /usr/local/bin/bison > michael-riveras-computer:/usr/local/bin michaelrivera$ > > I don't think it worked. Ran the make command from the wide directory and got this again.. [...] Huh... well, what does: bison --version say? Mine says... $ bison --version bison (GNU Bison) 2.5 You may need to install a later version. (See, that was the whole point of building bison yourself--because the system bison is outdated! ;) Chip