[mpich-discuss] Problem with compiling mpi fortran programs (btio benchmark)

[Christina Patrick]

Hi All,

I am trying to use the BTIO benchmark (included in NAS Parallel
Benchmark 3.2 suite) on Linux ... basically trying to compile the mpi
programs in NPB3.2/NPB3.2-MPI/BT benchmark dir with the command line:

# make bt NPROCS=4 CLASS=D SUBTYPE=full

When I specify
MPIF77 = f77 (which is the compiler used by mpif77), I get the compile error:

-->randi8.f: In function `randlc':
-->randi8.f:23:
-->         data i246m1/X'00003FFFFFFFFFFF'/
-->                       ^
-->Integer at (^) too large
-->randi8.f: In subroutine `vranlc':
-->randi8.f:53:
-->         data i246m1/X'00003FFFFFFFFFFF'/
-->                       ^
-->Integer at (^) too large
-->make[1]: *** [../common/randi8.o] Error 1


Basically, I think that f77 is not supporting the datatype "integer*8"
since the var i246m1 is declared as integer*8
I am able to circumvent this error if I use the compiler MPIF77 =
gfortran and use the the compiler flag "-fno-range-check"
However, now I get a compiler error:


-->/usr/bin/ld: skipping incompatible
mpich2-1.0.8/install/lib/libfmpich.a when searching for -lfmpich
-->/usr/bin/ld: cannot find -lfmpich
-->collect2: ld returned 1 exit status
-->make[2]: *** [bt-full] Error 1


Then I tried compiling the programs under "mpich2-1.0.8/examples/f77"
and I get the same problem.

If anybody has compiled the mpi part in the btio benchmark or if you
have experience with compiling fortran programs, could you please help
me?

Thanks and Regards,
Christina.