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Date:	Wed, 09 Nov 2011 14:06:43 +0100
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: What updates done after October 3 may affect gfortran built binaries?
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On 11/9/2011 1:15 PM, Edvardsen KÃ¥re wrote:
> This is again related to the failure of execution of a gfortran built
> binary ("cannot execute binary", see thread
> http://cygwin.com/ml/cygwin/2011-11/msg00034.html )
>
> In short, the main problem is that I can't build a successful binary
> from the FLEXPART fortran code (just google "FLEXPART nilu" if you are
> curious of what FLEXPART is) on a cygwin installation I did just over a
> week ago, but it builds and run without problem on an installation from
> October 3. I get no differences in warnings from the bad build compared
> to the good one, so I really don't know what to look for.
>
> So far I have come to the conclusion that this must be related to one or
> several changes in the cygwin distribution done after October 3. Through
> try and failure testing I found that this is not affected by
> gfortran/gcc as both gcc 4.3.4 and gcc 4.5.3 works. The latter hangs on
> '$EGREP' calls in the 'grib_api' (required library) configure script,
> but the workaround of changing to 'egrep' works fine.
>
> I have posted the output from strace, objdump and cygcheck for some of
> you to look at in the former thread, but it seem like this is far from a
> straight forward problem.
>
> I can see from the [ANNOUNCEMENT] posts that a few things in this cygwin
> distro have been updated since October 3 and I kindly ask if someone
> have an idea of what updates since then may cause a badly gfortran built
> binary if it has nothing to do with gcc alone?
>
> I will now start going through the updates and change back to versions
> yielding October 3 if possible. I think this is important since cygwin
> will give the opportunity to run and develop FLEXPART on Windows
> machines the way linux-users are used to. In addition, I also see a
> potential problem of other fortran software that people want to run
> under cygwin.
>
> Regards,
> KÃ¥re

my guess binutils
http://cygwin.com/ml/cygwin-announce/2011-10/msg00028.html

or some BLODA.

I downloaded the
http://zardoz.nilu.no/~flexpart/flexpart/flexpart_82-3.tar.gz

but it is not clear to me how to replicate your build.

  make -f makefile.gfs_gfortran_32

fails here:
---------------------------------------------------------------
$ make -f makefile.gfs_gfortran_32
gfortran -O2 -m32 -fconvert=little-endian -frecord-marker=4 
-I/nilu2/home/flexpart/lib/gfortran/include  -c -o writeheader.o 
writeheader.f
includecom:685.22:
     Included at writeheader.f:50:

       common /globalr/             ! REAL
                       1
Error: The equivalence set for 'pplev' cause an invalid extension to 
COMMON 'globalr' at (1)
......
---------------------------------------------------------------

Regards
Marco

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