[MITgcm-support] compiling problems

[Gus Correa]

Would -mcmodel=large help?
https://software.intel.com/content/www/us/en/develop/documentation/fortran-compiler-developer-guide-and-reference/top/compiler-reference/compiler-options/compiler-option-details/data-options/mcmodel.html


On Mon, Oct 19, 2020 at 2:19 AM Andreas Klocker <andreas.klocker at utas.edu.au>
wrote:

> Hi Martin,
>
> That's what happens if I add this flag:
>
> mpif90 -WB -convert big_endian -assume byterecl -g -traceback -fPIC
> --no-relax -O2 -align -xHost -ip  -c write_state.f
> ifort: command line warning #10006: ignoring unknown option '-fno-relax'
> ifort: command line warning #10006: ignoring unknown option '-fno-relax'
> ifort: command line warning #10006: ignoring unknown option '-fno-relax'
> ifort: command line warning #10006: ignoring unknown option '-fno-relax'
> ifort: command line warning #10006: ignoring unknown option '-fno-relax'
> ifort: command line warning #10006: ignoring unknown option '-fno-relax'
>
> So no luck here..
> A>
>
> ------------------------------
> *From:* MITgcm-support <mitgcm-support-bounces at mitgcm.org> on behalf of
> Martin Losch <Martin.Losch at awi.de>
> *Sent:* Monday, 19 October 2020 5:05 PM
> *To:* MITgcm Support <mitgcm-support at mitgcm.org>
> *Subject:* Re: [MITgcm-support] compiling problems
>
> Hi Andreas,
>
> I have no idea, what compiler you are using, but “relocation” would make
> me think that the compiler/loader cannot allocate the size of the
> executable/fields within the executable (that’s an error that I often get
> with gfortran/ifort). Since reducing the tiles makes the problem go away, I
> would guess that size is the problem and you may need additional compiler
> flags (‘—no-relax’?).
>
> Martin
>
> > On 19. Oct 2020, at 07:09, Andreas Klocker <andreas.klocker at utas.edu.au>
> wrote:
> >
> > Hi everyone,
> >
> > During compiling MITgcm I currently get this error which makes no sense
> to me:
> >
> > /bin/ld: failed to convert GOTPCREL relocation; relink with --no-relax
> > make[1]: *** [Makefile:1226: mitgcmuv] Error 1
> > make[1]: Leaving directory
> '/scratch/ds0/axk157/mitgcm/codebase/MITgcm/exp/channel_jet_global/build'
> > make: *** [Makefile:1222: fwd_exe_target] Error 2
> >
> > Nevertheless, if I make tiles smaller in SIZE.h compilation works fine.
> So, this problem seems to depend on the exact grid configuration.
> >
> > Does anyone know what's going on here?
> >
> > cheers,
> > Andreas
> >
> >
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