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[GEMPAK #BEJ-616888]: decoders broken after os upgrade

Hi Eric,

I didn't think of this until now, but have you tried the special linux gfortran 
Makeinc for Ubuntu that comes with GEMPAK?

Ubuntu builds require the compiler flag -fno-stack-protector be added to COPT 
(C compiler options) and FOPT (fortran compiler options). Ubuntu-specific 
Makeinc files are provided in $NAWIPS/config/ that include this compiler flag:

$NAWIPS/config/Makeinc.linux_gfortran_ubuntu
$NAWIPS/config/Makeinc.linux64_gfortran_ubuntu

This file (depending on system OS) can be copied to 
$NAWIPS/config/Makeinc.linux64_gfortran for building on Ubuntu linux systems, 
so perhaps adding -fno-stack-protector will resolve the problems with the 
decoders.  (Then again maybe you added the option already...)

My next suggestion is to invoke the decoders from the command line to decode 
data files, and see what errors, if any, are reported.

-Michael 
Unidata





> After a couple weeks of experimenting by changing the compile flags I'm
> still unable to get decoders (listed below) that work properly. Always
> exit 2 in the ldm logs, but no errors in the actual decoder logs.
> 
> dcwtch
> dcwarn
> dcwou
> dcwcn
> dccsig
> dcisig
> dcffa
> dcwcp
> dcairm
> 
> Additional help would be appreciated. Thanks.
> -Eric
> 
> 
> 
> > Hi Eric,
> >
> > Exit status 2 means "incorrect usage".  I don't have an answer off the top
> > of my head for this.
> >
> > * Can you confirm that ~ldm/decoders/dcwarn exists
> > * if so, check for missing libraries with "ldd ~ldm/decoders/dcwarn"
> > * confirm that GEMPAK resides in /home/ldm/GEMPAK7.0.3/
> > * check data/gempak/logs/dcwarn.log for any error messages
> >
> > -Michael
> >
> >
> >
> >
> >> Good morning,
> >>
> >> After an upgrade from debian 6.0.8 to debian 7.5, when I compile gempak,
> >> the decoders do not work.  Ldm logs show lines like the following...
> >>
> >> May 16 10:35:51 blackhawk pqact[6198] ERROR: child 17257 exited with
> >> status 2 (PIPE decoders/dcwarn -e
> >> GEMTBL=/home/ldm/GEMPAK7.0.3/gempak/tables -d
> >> data/gempak/logs/dcwarn.log
> >> data/gempak/storm/warn/YYYYMMDDHH_warn.gem)
> >>
> >> May 16 10:35:51 blackhawk pqact[6198] ERROR: [filel.c:305] Deleting
> >> failed
> >> PIPE entry: pid=17257, cmd="decoders/dcwarn -e
> >> GEMTBL=/home/ldm/GEMPAK7.0.3/gempak/tables -d
> >> data/gempak/logs/dcwarn.log
> >> data/gempak/storm/warn/YYYYMMDDHH_warn.gem"
> >>
> >> Searching through the support archives, I hoped it might be as simple as
> >> adding -fno-whole-file to FOPT in Makeinc.linux64_gfortran, but I tried
> >> that and the decoders still misbehave.
> >>
> >> Any suggestions on what else I should try?
> >>
> >> Thanks.
> >> -Eric
> >> --
> >> _______________________________________________________________________
> >> Eric Nelson
> >>
> >> National Center for Atmospheric Research
> >> Research Applications Laboratory
> >> http://www.ral.ucar.edu
> >> address@hidden
> >> (303) 497-2838
> >>
> >> "I love deadlines.  I especially like the whooshing sound they make as
> >> they go flying by."     --Douglas Adams
> >> _______________________________________________________________________
> >>
> >>
> >
> > Ticket Details
> > ===================
> > Ticket ID: BEJ-616888
> > Department: Support GEMPAK
> > Priority: Normal
> > Status: Open
> >
> 
> 
> --
> _______________________________________________________________________
> Eric Nelson
> 
> National Center for Atmospheric Research
> Research Applications Laboratory
> http://www.ral.ucar.edu
> address@hidden
> (303) 497-2838
> 
> "I love deadlines.  I especially like the whooshing sound they make as
> they go flying by."     --Douglas Adams
> _______________________________________________________________________
> 
> 

Ticket Details
===================
Ticket ID: BEJ-616888
Department: Support GEMPAK
Priority: Emergency
Status: Open