Patrick, The binaries were compiled using FC3 with gcc 3.4.4. What version of gcc is on your system? Steve Chiswell Unidata User SUpport On Fri, 2005-10-21 at 16:49, Patrick L. Francis wrote: > anyone have ideas about this error? > > Finished reading tables... > nmap2: relocation error: nmap2: symbol __strncpy_chk, version GLIBC_2.3.4 > not defined in file libc.so.6 with link time reference > > using GEMPAK5.8.3a binaries and all other > apps run fine.