Can you try the following? Set CPPFLAGS to -Df2cFortran and then do a make distclean, and then rerun configure and make test. In sh I can do it like this: make distclean && CPPFLAGS=-Df2cFortran ./configure && make test Ticket Details =================== Ticket ID: GDW-937911 Department: Support netCDF Priority: Normal Status: Open