Juli, > nm shows the routine as undefined: > > bl1012en$ nm -X 64 /usr/local/lib/libnetcdf.a | grep fill | more > .__xl_fill_p5_64 U - > .__xl_fill_p5_64 U - > .fill_NC_var U - > .fill_added t 1760 > .fill_added_recs t 2016 > .fillerup t 2336 > .nc_set_fill T 9376 > nc_set_fill D 10912 24 > nc_set_fill d 10248 8 > .__xl_fill_p5_64 U - > .. No no. Execute the "nm -g" on the *system* libraries (all of them). The symbol is, undoubtably, not defined by the netCDF package. Regards, Steve Emmerson Ticket Details =================== Ticket ID: YBC-888791 Department: Support netCDF Perl Priority: Normal Status: Closed