Re: Test WRAPIT(Version: 051007) on intel Mac 10.4 with gfortran and g95

On Dec 8, 2007, at 11:33 PM, guangshan Chen wrote:

> Dear NCL world,
>
> First, I want to give thanks to Matt Fearon who sent email to the list
> and talked about the WRAPIT and gfortran.  I got some scripts from his
> attachments and changed a little bit on the base of his scripts.
>
> Using his scripts, I tested WRAPIT (Version: 051007) on My intel Mac
> book (Mac OS 10.4) and got some interesting things that I want
> to report to the list.
>
> 1. Testing WRAPIT using gfortran
> As Mary's suggestion, WRAPIT works well after adding -l gfortran
> options.
>
> Here is the result:
> [monsoon:~/wrapit_test] guangsha% test_90.sh
>  
> WRAPIT Version: 051007
> COMPILING tester.f90
> LINKING
> END WRAPIT
>  
>  Copyright (C) 1995-2007 - All Rights Reserved
>  University Corporation for Atmospheric Research
>  NCAR Command Language Version 5.0.0
>  The use of this software is governed by a License Agreement.
>  See http://www.ncl.ucar.edu/ for more details.
>
>
> Variable: ng
> Type: integer
> Total Size: 4 bytes
>             1 values
> Number of Dimensions: 1
> Dimensions and sizes:   [1]
> Coordinates: 
>           10
>
> 2. Testing WRAPIT using g95
> WRPIT using g95 works fine. But  It comes out some weird things like
> "indirect jmp without `*'".
>
> Here is the result:
> [monsoon:~/wrapit_test] guangsha% test_90.sh
>  
> WRAPIT Version: 051007
> /sw/bin/g95
> COMPILING tester.f90
> /var/tmp//ccvVla10.s:46:indirect jmp without `*'
> /var/tmp//ccvVla10.s:65:indirect jmp without `*'
> /var/tmp//ccvVla10.s:84:indirect jmp without `*'
> /var/tmp//ccvVla10.s:99:indirect jmp without `*'
> LINKING
> END WRAPIT
>  
>  Copyright (C) 1995-2007 - All Rights Reserved
>  University Corporation for Atmospheric Research
>  NCAR Command Language Version 5.0.0
>  The use of this software is governed by a License Agreement.
>  See http://www.ncl.ucar.edu/ for more details.
>
>
> Variable: ng
> Type: integer
> Total Size: 4 bytes
>             1 values
> Number of Dimensions: 1
> Dimensions and sizes:   [1]
> Coordinates: 
>  10
>
> After some googling, I found this web site:
> http://coding.derkeiler.com/Archive/Fortran/comp.lang.fortran/2006-08/
> msg01227.html
> (Thanks to this guy)
>
> It is said that the problem was caused by having a newer version of
> the apple assembler (I don't know what it is for), an 'as -v' returns.
> It could be solved by adding '-fno-pic' to the command. But this
> method did not work for him. Fortunately, It works for me.
>
> Here is the testing:
> 3.1. compiling f90 file using g95 without -fno-pic
> [monsoon:~/wrapit_test] guangsha% g95 -o test_90 test_90.f90
> /var/tmp//cceIkhz5.s:71:indirect jmp without `*'
> /var/tmp//cceIkhz5.s:90:indirect jmp without `*'
> /var/tmp//cceIkhz5.s:109:indirect jmp without `*'
> /var/tmp//cceIkhz5.s:124:indirect jmp without `*'
> /var/tmp//cceIkhz5.s:143:indirect jmp without `*'
>
> 3.2 compiling f90 file using g95 with the option
> [monsoon:~/wrapit_test] guangsha% g95 -fno-pic -o test_90 test_90.f90
> [monsoon:~/wrapit_test] guangsha% 
>
> You see that the weird informations in case 3.1 are gone in case 3.2.
>
> So I think the weird information in case 2 would be gone if we could
> add "-fno-pic" to the g95 command during building the NCL 5.0.
> The WRAPIT works with g95, but I don't like that kind informations
> come out during compiling. Could anybody rebuild the binary file of
> NCL 5.0 on ESG with the option I suggest and tell me how do you build
> NCL 5.0 on intel Mac OS 10.4? Because I tried building it yesterday
> and failed.
>

Hi Guangshan,

Thanks for reporting a work-around for this problem. We've been aware
of this weird g95 quirk, but in the past I was unable to find a
work-around for it. As you mentioned, the compiler is working, but
those messages are annoying. I don't think building NCL with this
option is going to solve the problem. Rather, we would need to add that
option to WRAPIT.

You can try this yourself. Edit the file $NCARG_ROOT/bin/WRAPIT (you
might want to make a copy of it and edit the copy instead), and change
any occurrence of:

         set f90c = g95

to
         set f90c = g95 -fno-pic

--Mary

> Thanks,
>
> Guangshan
>
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Received on Mon Dec 10 2007 - 05:53:00 MST