[mpich-discuss] Mpich won't compile with gcc-5

[Jan Wittke]

Yes,

I only want to use gfortran-5.

Regards,
Jan


On 18.02.2015 11:26, Balaji, Pavan wrote:
> Are you using gfortran-5 as well?  That seems to be giving an issue.  If you don't need fortran, you can disable it by passing --disable-fortran to configure.
>
>    -- Pavan
>
>> On Feb 18, 2015, at 4:14 AM, Jan Wittke <wittke at geo.uni-koeln.de> wrote:
>>
>> Hi,
>>
>> after installing gcc-5-20150208 from source with
>>
>> /opt/gcc-5-20150208/configure --program-suffix=-5 --prefix=/usr/local --enable-languages=c,c++,fortran --disable-multilib
>>
>> I am not able to run the mpich ./configure script properly.
>> Doing:
>>
>> CC=/usr/local/bin/gcc-5 FC=/usr/local/bin/gfortran-5 ./configure --enable-threads
>>
>> in the  mpich-3.2a2 directory I got the error:
>>
>> configure: error: Unable to configure with Fortran support because configure could not determine the size of a Fortran INTEGER. Consider setting CROSS_F77_SIZEOF_INTEGER to the length in bytes of a Fortran INTEGER
>>
>> Is there any fix around ?
>>
>> Thank you,
>> Jan
>>
>>
>>
>> -- 
>> Jan Wittke
>> Geophysicist (M.Sc.)
>> Institute of Geophysics and Meteorology
>> University of Cologne
>> Email: wittke at geo.uni-koeln.de
>> Homepage: www.geomet.uni-koeln.de
>> Tel.: +49 (0)221 470 6132 / Room 310
>>
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> --
> Pavan Balaji  ✉️
> http://www.mcs.anl.gov/~balaji
>
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-- 
Jan Wittke
Geophysicist (M.Sc.)
Institute of Geophysics and Meteorology
University of Cologne
Email: wittke at geo.uni-koeln.de
Homepage: www.geomet.uni-koeln.de
Tel.: +49 (0)221 470 6132 / Room 310

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