Problem with ng4ex

Dear NCL users,

I'm trying to run the example presented in
http://www.ncl.ucar.edu/Applications/BasicExamples/XyPlot/xy01.shtml

but I'm getting the following error message during compilation:

$ ng4ex xy01f

NCAR Graphics High Level Utility Fortran Example <xy01f>

  Copying xy01f.f
  Copying xy01.res

Compiling and linking...
gfortran -fPIC -fno-second-underscore -fno-range-check -o xy01f xy01f.f
-L/usr/local/ncarg/lib -I/usr/local/ncarg/include -lhlu -lncarg -lncarg_gks
-lncarg_c -lX11 -lXext -lpng -lz -lgfortran -lm
/usr/lib/gcc/i686-redhat-linux/4.4.3/../../../crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
collect2: ld returned 1 exit status
Executing <xy01f>...

./xy01f: Command not found.

Finished executing <xy01f>...

I've tried to compile it directly with

gfortran -L/usr/local/ncarg/lib -I/usr/local/ncarg/include -lncarg
-lncarg_gks -lncarg_c -lhlu -lX11 -lXext -lpng -lz -lgfortran xy01f.f

but it gaves the following errors:

 /tmp/ccrkSpMj.o: In function `MAIN__':
xy01f.f:(.text+0xc6): undefined reference to `nhlfinitialize_'
xy01f.f:(.text+0xe1): undefined reference to `nhlfrlcreate_'
xy01f.f:(.text+0xec): undefined reference to `nhlfrlclear_'
xy01f.f:(.text+0x11e): undefined reference to `nhlfrlsetstring_'
xy01f.f:(.text+0x150): undefined reference to `nhlfrlsetstring_'
xy01f.f:(.text+0x176): undefined reference to `nhlfappclass_'
.....

Maybe is it a installation problem?

I'm using NCL 5.1.1.

Best regards,

-- 
Mateus da Silva Teixeira
Meteorologista
Instituto de Pesquisas Meteorológicas - IPMet
Universidade Estadual Paulista - UNESP
Av. Luis Edmundo Carrijo Coube, 14-01 - Cx. Postal 281 - CEP 17033-360
Bauru - SP - Brasil
Fone: +55 14 3103-6030 / fax: 3203-3649
Registered Linux User #466740 (http://counter.li.org/)

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Received on Sat Mar 13 13:49:51 2010