[mpich-discuss] Getting MPICH2 to find/use g95 fortran

Pavan Balaji balaji at mcs.anl.gov
Sun Apr 6 14:36:35 CDT 2008

You can force MPICH2 to use g95 by setting environment variables at 
configure time:

   $ F77=/path/to/g95 F90=/path/to/g95 ./configure 

   $ make && make install

  -- Pavan

On 04/06/2008 02:08 PM, PattiMichelle wrote:
> Hello Everyone :-)
> I have installed g95 on my SuSE 10.2 x86_64 dual core system and want to 
> use MPICH2 to compile a certain parallel-enabled fortran code.  I looked 
> at the MPICH2 configure script file(s) and noticed entries for g95, so 
> as long as I build the code from source (rather than installing from an 
> .rpm file), then it should detect g95, correct?  I'm not sure *how* it 
> actually detects it because g95 can be installed pretty much anywhere 
> according to the g95 docs.  I have set (in bashrc):
> alias f77=g95
> alias f90=g95
> ...and it seems to work...
> patti at PattiDesktop:~> f77
> g95: no input files
> patti at PattiDesktop:~> f90
> g95: no input files
> patti at PattiDesktop:~>
> ...and have removed gfortran so the only fortran on my system *should* 
> be g95...  I would appreciate a comment or three as to whether or not I 
> need to set anything else before running configure / make / make install 
> on the MPICH2 source.
> PattiMichelle Sheaffer

Pavan Balaji

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