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Hi Yongxin, From the attachments you sent, your netCDF installation was successful and all the required tests passed when you used gcc and g++ as the C and C++ compilers with the pgf77 and pgf90 Fortran compilers. The error messages in config.log can be ignored if the tests from "make check" all passed successfully, since config.log just records the output of tests to determine the configuration to use, and some of these are expected to fail. So if you can use the resulting library compiled with gcc for your netCDF application, you can be fairly confidentt it will work OK from the results of the "make check". If you have to use the PGI C version 6.1-5 compiler, I'm sorry to say we can't help debug the problem any further. We don't have that compiler installed here on that platform, so we can't duplicate the problem. You might try the settings Jason Elsom used that he reported success with here: http://www.unidata.ucar.edu/software/netcdf/docs/other-builds.html#pg6 or alternatively try our latest beta release 3.6.2-beta4 available here: ftp://ftp.unidata.ucar.edu/pub/netcdf/netcdf-beta.tar.gz or post your question to the netcdfgroup mailing list (about 1000 users) to see if anyone else has gotten this to work. --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: AAG-266617 Department: Support netCDF Priority: Emergency Status: Closed