Undefined symbols on Mac OS X 10.9 (gcc)
On OS X Mavericks and gcc (I tested 4.8 and 4.9) OGS currently does not link. See these links:
https://trac.macports.org/ticket/41020 http://stackoverflow.com/questions/19621831/undefined-symbol-isspace-in-macports-gcc-4-7-os-x-mavericks-10-9-c11