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--- configure.in.old	2005-10-25 10:37:27.000000000 -0300
+++ configure.in	2005-10-25 11:09:22.000000000 -0300
@@ -182,11 +182,20 @@
 # netCDF Test
 ac_netcdf_includes=""
 ac_netcdf_libraries=""
-AC_ARG_WITH(netcdf,
-    AC_HELP_STRING([--with-netcdf=DIR],[where the root of NetCDF is installed ]),
-    [  ac_netcdf_includes="-I$withval/include"
-       ac_netcdf_libraries="-L$withval/lib"
-    ])
+
+AC_MSG_CHECKING(--enable-netcdf argument)
+AC_ARG_ENABLE(netcdf,
+    [  --enable-netcdf	Enable netcdf support.],
+    [ enable_netcdf=$enableval ],
+    [ enable_netcdf="no" ])
+
+if test "$enable_netcdf" = "yes"; then
+    AC_ARG_WITH(netcdf,
+        AC_HELP_STRING([--with-netcdf=DIR],[where the root of NetCDF is installed ]),
+    	[  ac_netcdf_includes="-I$withval/include"
+       	   ac_netcdf_libraries="-L$withval/lib"
+    	])
+fi
 
 all_includes_save="$all_includes"
 all_includes="$all_includes $ac_netcdf_includes"