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linking netcdf on Linux (fwd)

 From: Matthew Bettencourt <address@hidden>
 To: Ben Foster <address@hidden>
 Cc: address@hidden
 Subject: Re: linking netcdf on Linux

 Try adding
 -Msecond_underscore
 to the compile and link lines.  That will make nf_strerror_ 
 nf_strerror__ which is what is std in the lib.  Do a google on g77 
 underscore and you will find a lot of docs on the great idea that the 
 g77 team had in adding underscores.   Ugh
 Matt

------- Forwarded Message

Date:    Mon, 12 May 2003 11:24:11 -0600
From:    Ben Foster <address@hidden>
To:      address@hidden
cc:      address@hidden
Subject: linking netcdf on Linux

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Hi netcdf group:

We have installed netcdf 3.5 on a Linux system running RedHat 7.3.
I am using pgf90 4.0-2 to compile a small f90 code, and am getting
"undefined reference" errors:

(sundog) foster : gmake
pgf90 -c -I/opt/local/include rdmgcm.F
pgf90 -c -I/opt/local/include mkcdf.F
pgf90 -c -I/opt/local/include mkncfile.F
pgf90 -o mkcdf mkcdf.o  mkncfile.o      rdmgcm.o          -L/opt/local/lib 
-lnetcdf
mkncfile.o: In function `mkncfile_':
mkncfile.o(.text+0x110): undefined reference to `nf_create_'
mkncfile.o: In function `handle_ncerr_':
mkncfile.o(.text+0x77a): undefined reference to `nf_strerror_'
gmake: *** [mkcdf] Error 2
(sundog) foster : 

I am using #include "netcdf.inc" in mkncfile.F, and it is apparently
finding this file in /opt/local/include. The lib libnetcdf.a is in
/opt/local/lib, and it has both nf_create and nf_strerror.

I will attach the Makefile and mkncfile.F. Thanks for any suggestions,

--Ben



-----------------------------------------------------------------------
Ben Foster                      High Altitude Observatory (HAO)
address@hidden                  phone: 303-497-1595  fax: 303-497-1589  
Nat. Center for Atmos. Res.     P.O. Box 3000 Boulder CO 80307 USA
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