AMBER Archive (2008)

Subject: AMBER: Re: amber 9 compilation problem on IBM SP5

From: Andrew Emerson (a.emerson_at_cineca.it)
Date: Mon May 05 2008 - 02:57:53 CDT

> Version: 10.01.0000.0005

>> Is this a "new" version of xlf90? The code in question has been the same
>> for some time, and has been tested on AIX/xlf90 without seeing this error.

This is a fairly recent version of xlf90, but I dont know if it is the
latest or not.

> I would recommend just commenting out this line: since these are
> intrinsic functions, it should not be necessary to have this line.
> Or, you could
just
> remove the "_REAL_" part of the line in evb_vars.f.

In the end I took your advice and commented out the line and all the
other places which give a similar error and it compiles, although if
anyone has any ideas on how to avoid this I would like to hear about
it! Why the compiler should treat this as an error and not a warning is
another mystery..

thanks for your help
Andy Emerson

David A. Case wrote:
> On Wed, Apr 30, 2008, Andrew Emerson wrote:
>> xlf90 -qversion
>> Fortran command: /usr/local/beta/xlf-10.1.0.5/usr/bin/xlf90 -q64 -qversion
>> IBM XL Fortran Enterprise Edition V10.1 for AIX
>> Version: 10.01.0000.0005
>
> Is this a "new" version of xlf90? The code in question has been the same
> for some time, and has been tested on AIX/xlf90 without seeing this error.
>
>> The line involved appears to be:
>> double precision , intrinsic :: sqrt, dot_product, maxval, abs
>
> I would recommend just commenting out this line: since these are intrinsic
> functions, it should not be necessary to have this line. Or, you could just
> remove the "_REAL_" part of the line in evb_vars.f.
>
> It is odd that xlf90 says "Type is ignored", but still treats this as an error
> rather than a warning.
>
> Other AIX experts may be able to pipe in here.
>
> ...dac
>
> -----------------------------------------------------------------------
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