<div>change -lpng_ncl to -lpng and -lz_ncl to -lz (if you have already installed png library and z-library other wise install them) and try.<br clear="all"></div>
<div>best wishes<br>-- Jagabandhu<br>------------------------------------------------------------<br>JAGABANDHU PANDA<br>Project Scientist C<br>National Centre for Medium Range Weather Forecasting (NCMRWF)<br>A-50, Sector-62<br>
NOIDA, U. P. -201 307 <br>India<br>------------------------------------------------------------<br></div>