don't include sz lib in link unless SZIP_DIR specified (reverting change suggested by Chris Barker - build does fail if libsz not found)
don't include sz lib in link unless SZIP_DIR specified
(reverting change suggested by Chris Barker - build does
fail if libsz not found)


Unidata/netcdf4-python,Unidata/netcdf4-python,Unidata/netcdf4-python