Hi, You may need to use the "-mp" flag for the C compiler, by setting the environment variable CFLAGS to "-mp" before you run the configure script. For more details, see this: http://www.unidata.ucar.edu/cgi-bin/getfile?file=/content/support/help/MailArchives/netcdf/msg02387.html If this doesn't help, please let us know. --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: TML-886129 Department: Support netCDF Priority: Normal Status: Closed