[mpich-discuss] installation of mpich-1.2.7p1, the suffix of f90 source files and the iostream.h header file

[Dave Goodell]

(a copy of what I replied on mpi-maint@)

MPICH is no longer actively developed and often has build/runtime  
problems on modern platforms.  Please try MPICH2 instead:

http://www.mcs.anl.gov/research/projects/mpich2/

-Dave

On Jan 7, 2010, at 5:37 AM, Cezary Śliwa wrote:

>
> This is a copy of a message sent to the mpi-maint mailing list.
> I am not sure whether posting this to mpich-discuss is appropriate
> and apologize if it's not.
>
>
> Hello,
>
> I try to install mpich-1.2.7p1 on CentOS 4 x86_64 using GCC 4.3.4  
> (compiler installed by myself). It seems that the configure code in  
> src/fortran that detects the extension of Fortran 90 source files  
> does not work. The code is F90_SUFFIX="$ac_f90ext", but ac_f90ext is  
> not set. Indeed, the earlier code tries .f as the extension (ac_ext=$ 
> {ac_f90ext-f}) and if this works, ac_f90ext remains unset. The f90  
> extension is tried and assigned to ac_f90ext only if this is not the  
> case. To workaround this, I have set ac_f90ext=f90.
>
> What bothers me is that one of a few configure runs worked fine (the  
> example Fortran programs compiled correctly). I cannot reproduce  
> this (I am not sure if I have changed some environment variables  
> since then). My problem is that I am not an autoconf guru and it  
> seems the autoconf input files are missing (or the configure scripts  
> are not in sync with them). This all looks complicated and I don't  
> know if ac_f90ext was not meant to be set by some other configure  
> script and cached. If it was, something prevents this to happen  
> (possibly non-deterministically).
>
> Finally, the C++ code uses <iostream.h>. This header file is  
> deprecated for many years, and is missing from GCC 4.3.4. I attach a  
> patch do migrate to <iostream> (the relevant comments need a fix  
> also; I edited the configure scripts manually, I know they are  
> generated).
>
> Regards,
> Cezary Sliwa
>
>
> GCC is installed in /opt/gcc/4.3.4
>
> export CC='gcc'
> export FC='gfortran'
> export F77_GETARGDECL=" "
> export F90='gfortran'
> export CXX='g++'
> export LDFLAGS='-Wl,-rpath,/opt/gcc/4.3.4/lib64'
> export CLINKER='gcc'
> export FLINKER='gfortran'
> export F90LINKER='gfortran'
> export CXXLINKER='g++'
> export RSHCOMMAND=/usr/bin/rsh
>
> ./configure --with-device=ch_p4 --prefix=/opt/mpich/gnu_4.3.4_64/ 
> ch_p4 --with-common-prefix=/opt/mpich/gnu_4.3.4_64 --enable-f90 -- 
> enable-f90modules --with-romio="-with-file-system=ufs+nfs" --with- 
> comm=shared --mpe_opts="--with-java2=/opt/jdk --x-libraries=/usr/ 
> X11R6/lib64 --x-includes=/usr/X11R6/include --enable-viewers"
>
>
>
> <mpich-1.2.7p1- 
> iostream.diff.gz>_______________________________________________
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