I upgraded to FC6 and I can't find the library that includes the -lXmu option when compiling a program. I always get: /usr/bin/ld: cannot find -lXmu collect2: ld returned 1 exit status Where can I find the library this is looking for? -- Terry Snyder Jr Computer Support Specialist http://www.personal.psu.edu/tes215 Linux (Red Hat, Fedora Core), Windows, Mac Fedora Core 5 3 users, load average: 0.19, 0.30, 0.28