[petsc-users] conflict between petsc.h90 and MPI_INT, MPI_SUM etc...

Tue Jan 31 10:08:06 CST 2017

Dear all,

I am a bit confused as to how to link PETSc correctly in a code that
already uses MPI natively. I wish to define a DMDA for my problem, but when
I try to include petsc.h90, the compiler complains that MPI_XXXXX variables
are already defined:

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(9): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_SOURCE]

       INTEGER MPI_SOURCE, MPI_TAG, MPI_ERROR

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(9): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_TAG]

       INTEGER MPI_SOURCE, MPI_TAG, MPI_ERROR

---------------------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(9): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERROR]

       INTEGER MPI_SOURCE, MPI_TAG, MPI_ERROR

------------------------------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(11): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_STATUS_SIZE]

       INTEGER MPI_STATUS_SIZE

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(13): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_STATUS_IGNORE]

       INTEGER MPI_STATUS_IGNORE(MPI_STATUS_SIZE)

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(14): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_STATUSES_IGNORE]

       INTEGER MPI_STATUSES_IGNORE(MPI_STATUS_SIZE,1)

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(15): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERRCODES_IGNORE]

       INTEGER MPI_ERRCODES_IGNORE(1)

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(16): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ARGVS_NULL]

       CHARACTER*1 MPI_ARGVS_NULL(1,1)

-------------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(17): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ARGV_NULL]

       CHARACTER*1 MPI_ARGV_NULL(1)

-------------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(18): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_SUCCESS]

       INTEGER MPI_SUCCESS

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(20): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_SIZE]

       INTEGER MPI_ERR_SIZE

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(22): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_INFO_KEY]

       INTEGER MPI_ERR_INFO_KEY

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(24): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_FILE]

       INTEGER MPI_ERR_FILE

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(26): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_AMODE]

       INTEGER MPI_ERR_AMODE

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(28): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_TRUNCATE]

       INTEGER MPI_ERR_TRUNCATE

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(30): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_BASE]

       INTEGER MPI_ERR_BASE

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(32): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_OP]

       INTEGER MPI_ERR_OP

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(34): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_ASSERT]

       INTEGER MPI_ERR_ASSERT

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(36): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_NAME]

       INTEGER MPI_ERR_NAME

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(38): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_NO_MEM]

       INTEGER MPI_ERR_NO_MEM

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(40): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_INFO]

       INTEGER MPI_ERR_INFO

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(42): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_COUNT]

       INTEGER MPI_ERR_COUNT

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(44): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_SPAWN]

       INTEGER MPI_ERR_SPAWN

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(46): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_CONVERSION]

       INTEGER MPI_ERR_CONVERSION

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(48): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_GROUP]

       INTEGER MPI_ERR_GROUP

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(50): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_RMA_SYNC]

       INTEGER MPI_ERR_RMA_SYNC

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(52): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_NOT_SAME]

       INTEGER MPI_ERR_NOT_SAME

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(54): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_KEYVAL]

       INTEGER MPI_ERR_KEYVAL

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(56): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_ACCESS]

       INTEGER MPI_ERR_ACCESS

---------------^

/cm/shared/apps/mpich/ge/intel/3.2/include/mpif.h(58): error #6401: The
attributes of this name conflict with those made accessible by a USE
statement.   [MPI_ERR_DIMS]

       INTEGER MPI_ERR_DIMS

---------------^

I usually write everything consistently within PETSc, but for the first
time, I have to use some PETSc routines in a code that is mostly standard
FORTRAN 90.

Is including PETSc via #include <petsc/finclude/petscdef.h> the wrong
method?

Best

Timothee
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