diff -up ncl_ncarg-5.2.1/config/Project.udunits ncl_ncarg-5.2.1/config/Project
--- ncl_ncarg-5.2.1/config/Project.udunits 2010-08-10 13:01:03.000000000 -0600
+++ ncl_ncarg-5.2.1/config/Project 2010-08-10 13:02:36.052660865 -0600
@@ -392,7 +392,7 @@ NGENV_DESCRIPT = \
"graphcaps",NULL,"ncarg",NULL,NULL, \
"colormaps",NULL,"ncarg",NULL,NULL, \
"rangs","NCARG_RANGS","database",NULL,NULL, \
- "udunits","NCARG_UDUNITS","ncarg",NULL,NULL, \
+ "udunits","UDUNITS_PATH",NULL,"/etc","udunits.dat", \
"psadilookup","PSADILOOKUP_PATH",NULL,NULL,NULL,\
"examples",NULL,"ncarg",NULL,NULL, \
"hluex",NULL,"ncarg",NULL,NULL, \