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Hi Eric, The error message indicates a permissions problem: you don't have the necessary permissions to copy files into the /usr/local/lib/ directory, where the software is installed by default if you don't indicate a different location when you run the configure script. This default installation location has changed from earlier releases, as indicated in the Release Notes: Changed the default install directory from the source directory to the more usual default: /usr/local. Use the --prefix argument of configure to override the install location. There are two ways to get around this problem: 1. Use the "sudo" command to run the "make install" step, which will ask for your password, assuming your userid has administrator permissions on the Mac, as in: $ sudo make install Password: 2. Indicate a different installation location, where you have permission to copy files, when you run the initial "configure" script, as in: $ make clean $ mkdir /Users/crampon/netcdf $ ./configure --prefix=/Users/crampon/netcdf ... $ make check ... $ make install --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: ENZ-452123 Department: Support netCDF Priority: Normal Status: Closed