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

[Jan Wittke]

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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