[MITgcm-support] compiling problems

[Andreas Klocker]

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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