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20020623: $GEMLIB compiling problems

Dan,

Your problem is probably through your -L$GEMLIB definition. 
$GEMLIB should be pointing to the $NAWIPS/lib/linux
directory, and not the gemlib.a file itself. And, the -L
flag is only used when using the -l option with file named
using the lib*.a (for example libm.a is referenced using -lm).

You probably want:
g77 -o rean_comp3 ream_comp3.f $GEMLIB/gemlib.a


Steve Chiswell
Unidata User Support

>From: "Dan Stjean" <address@hidden>
>Organization: DOC/NOAA/NWS - National Weather Service
>Keywords: 200206230410.g5N4Aha12655

>This is a multi-part message in MIME format.
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>Hi,
>
>I'm using Unidata's gempak 5.6e (gempak_upc5.6.e.1.tar) installation on
>a Linux machine.  I just did a clean reinstall to see if that would
>solve the following problem I've been having.  It didn't:
>
>My goal is to extract multiple Gempak grids from existing Gempak grid
>files for the purpose of doing some compositing of these fields.  The
>only method with which I am familiar for doing this is via fortran
>(f77/g77) code.  My program utilizes the following GEMPAK program
>subroutine calls:
>in_bdta
>gd_opnf
>gd_rdat
>gd_wdat
>gd_clos
>
>my compile line is:
> f77 -o rean_comp3 rean_comp3.f -L$GEMLIB
>
>and I get these compiling errors:
>
>/tmp/ccORzAU2.o: In function `MAIN__':
>/tmp/ccORzAU2.o(.text+0x86f): undefined reference to `in_bdta__'
>/tmp/ccORzAU2.o(.text+0x8eb): undefined reference to `gd_opnf__'
>/tmp/ccORzAU2.o(.text+0x946): undefined reference to `gd_rdat__'
>/tmp/ccORzAU2.o(.text+0x9f2): undefined reference to `gd_clos__'
>/tmp/ccORzAU2.o(.text+0x1154): undefined reference to `gd_opnf__'
>/tmp/ccORzAU2.o(.text+0x11b7): undefined reference to `gd_wdat__'
>/tmp/ccORzAU2.o(.text+0x11cd): undefined reference to `gd_clos__'
>collect2: ld returned 1 exit status
>
>Am I linking to the wrong libraries to make these programs run?  (They
>used to work fine in the Nawips5.4 for HP-UX (HP-UX v10.2) release. )
>
>Any assistance you can offer would be greatly appreciated.  Please allow
>me to forward any additional information about my code, my system, or my
>gempak installation which you require.
>
>Thank you,
>
>Dan St. Jean
>National Weather Service Burlington VT
>
>--------------BB79DBA662BF6290F239BCF2
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><!doctype html public "-//w3c//dtd html 4.0 transitional//en">
><html>
>Hi,
><p>I'm using Unidata's gempak 5.6e (gempak_upc5.6.e.1.tar) installation
>on a Linux machine.&nbsp; I just did a clean reinstall to see if that would
>solve the following problem I've been having.&nbsp; It didn't:
><p>My goal is to extract multiple Gempak grids from existing Gempak grid
>files for the purpose of doing some compositing of these fields.&nbsp;
>The only method with which I am familiar for doing this is via fortran
>(f77/g77) code.&nbsp; My program utilizes the following GEMPAK program
>subroutine calls:
><br>in_bdta
><br>gd_opnf
><br>gd_rdat
><br>gd_wdat
><br>gd_clos
><p>my compile line is:
><br><b>&nbsp;f77 -o rean_comp3 rean_comp3.f -L$GEMLIB</b>
><p>and I get these compiling errors:
><p>/tmp/ccORzAU2.o: In function `MAIN__':
><br>/tmp/ccORzAU2.o(.text+0x86f): undefined reference to `in_bdta__'
><br>/tmp/ccORzAU2.o(.text+0x8eb): undefined reference to `gd_opnf__'
><br>/tmp/ccORzAU2.o(.text+0x946): undefined reference to `gd_rdat__'
><br>/tmp/ccORzAU2.o(.text+0x9f2): undefined reference to `gd_clos__'
><br>/tmp/ccORzAU2.o(.text+0x1154): undefined reference to `gd_opnf__'
><br>/tmp/ccORzAU2.o(.text+0x11b7): undefined reference to `gd_wdat__'
><br>/tmp/ccORzAU2.o(.text+0x11cd): undefined reference to `gd_clos__'
><br>collect2: ld returned 1 exit status
><p>Am I linking to the wrong libraries to make these programs run?&nbsp;
>(They used to work fine in the Nawips5.4 for HP-UX (HP-UX v10.2) release.
>)
><p>Any assistance you can offer would be greatly appreciated.&nbsp; Please
>allow me to forward any additional information about my code, my system,
>or my gempak installation which you require.
><p>Thank you,
><p>Dan St. Jean
><br>National Weather Service Burlington VT</html>
>
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>begin:vcard 
>n:St. Jean;Dan
>tel;fax:802.660.0705
>tel;work:802.658.0207
>x-mozilla-html:FALSE
>url:http://205.156.54.206/er/btv/
>org:DOC/NOAA/National Weather Service;WFO Burlington VT
>version:2.1
>email;internet:address@hidden
>title:Senior Meteorologist
>adr;quoted-printable:;;Burlington International Airport=0D=0A1200 Airport Road
> =0D=0A;South Burlington;VT;05403;
>fn:Dan St. Jean
>end:vcard
>
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>