[Pw_forum] Parallel installation MPIF90 issue

[Vikas Varshney]

Dear Riccardo,

Thanks, I tried first one just before I saw your email.
I got into some other problem now. When I tried make all, I got some
compilation errors in the first fortran program itself iotl_base.f90
The error seems to be "Lead underscore not allowed". This is coming
repeatedly and there a a repeated warning "Bad #preprocessor line". I am
using ifort compiler. I am going to do some search to see what this is
about. If you have any insight, help will be highly appreciated.

Best Regards,
Vikas

On Wed, May 26, 2010 at 3:11 PM, Riccardo Di Meo <dimeo at democritos.it>wrote:

>  Vikas Varshney wrote:
> > Dear all,
> > I have a very simple question.
> >
> > I have 2 mpif90 installed on my machine
> > one in /usr/local/bin which does not have fortran support. It says
> > "Unfortunately, this installation of Open MPU was not compiled with
> > Fortran 90 support ..."
> > other one is in my local directory which was installed by me. It does
> > have fortran compiler (ifort).
> >
> > When, I try to run configure script to genarate makefile, it assumes
> > mpif90 to be the first one and results in unsuccessful configure. So,
> > my question is that how can I direct the configure script to look for
> > other mpif90 and the assciated libraries and header files. Where do I
> > need to make necessary changes? Or do I need to ask my admin to update
> > mpif90 in /usr/local/bin (where I dont have writable access)?
>
> Two solutions:
>
> There's a MPIF90 environment variable, which can be set to the mpif90
> compiler of your choice. Just point it to your mpif90 binary in your
> home before configuring QE. This is the standard/correct solution.
>
> A "one size fits all" solution, which you can use also for other similar
> cases ,would be to make your PATH environment variable give precedence
> to the location of the mpif90 compiler you want to use:
>
> export PATH=<location of your mpif90>:$PATH  [bash]
>
> Hope this helps,
> RDM
>
> >
> > Thanks in advance.
> >
> > Best Regards,
> > Vikas
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>
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