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Steven, > tried option #2 worked perfectly. should have emailed support earlier, > wasted hours on this... I'm glad you got it working. Because the CFLAGS environment variable overrides any determination by the configure(1) script (for the need for the "-fPIC" option, for example), it's possible that the CFLAGS environment variable was set before you executed the configure(1) script the first time and that setting didn't include the "-fPIC" option. That's a speculation on my part, but it's consistent with the observed behavior. Good luck. Regards, Steve Emmerson Ticket Details =================== Ticket ID: VTP-130419 Department: Support UDUNITS Priority: Normal Status: Closed