On Sat, 05 Mar 2005 11:18:42 -0700, don fisher <dfisher@xxxxxxxxxxxxxx> wrote: > Alexander, > > Thanks. It is an X86_64 system. I was led to the problem when I > received an incomputable libraries error message on libGL and libXt. > Is there a method to know when one is linking to the 32 bit or 64 bit > libs? > > Thanks > don The 64-bit libraries are all stored in lib64 directories instead of the normal lib directories. Thus if the path to the library contains lib64, it is 64-bit and if not, it is 32-bit, unless it actually is 64-bit and isn't smart enough to know it should be looking in lib64. You cannot link a 32-bit exe to a 64-bit library and vice-versa. Does this answer your question? Jonathan