Hi Shannon, This is a bug for gcc on AIX. Sorry. Two options: 1. Use binary CMake (preferred) 2. Edit Source/cmSystemTools.cxx insert line #include <time.h> after #include <errno.h> Andy On Mon, 2003-07-14 at 06:49, Shannon Hastings wrote: > I am building cmake on AIX 1.5 with gcc 2.9-aix43-010414. I am > getting the following errors in the ./configure step.