I have configured petsc-dev (downloaded it today) with these options, and a
small example. It appears to fail to compile without MPI with the error message:
./configure --with-cc=gcc --with-fc=gfortran --download-f-blas-lapack
--with-openmp --with-mpi=0
~/dev/test/petsc $ echo $LD_LIBRARY_PATH
/home/<username>/petsc/linux-amd64/lib:/opt/openmpi/lib
~/dev/test/petsc $ cat solver.f
subroutine solver()
#include <finclude/petscsys.h>
PetscErrorCode ierr
print *, "Entered petsc."
! Init PETSc
call PetscInitialize(PETSC_NULL_CHARACTER,ierr)
CHKERRQ(ierr)
print *, "Init done."
! Finalise PETSc
call PetscFinalize(ierr)
CHKERRQ(ierr)
print *, "Finalized."
end
~/dev/test/petsc $ cat myexample.f
program myexample
call solver
end
~/dev/test/petsc $ cat makefile
include ${PETSC_DIR}/conf/variables
myexample: myexample.o solver.o ; gfortran -o myexample myexample.o solver.o
-lpetsc -L${PETSC_DIR}/${PETSC_ARCH}/lib -fopenmp
solver.o: ; gfortran -c -cpp -I${PETSC_DIR}/include -O0 solver.f -lpetsc
-I${PETSC_DIR}/${PETSC_ARCH}/include -L${PETSC_DIR}/${PETSC_ARCH}/lib -lpetsc
-fopenmp
myexample.o: ; gfortran -c -cpp -I${PETSC_DIR}/include -O0 myexample.f -lpetsc
-I${PETSC_DIR}/${PETSC_ARCH}/include -L${PETSC_DIR}/${PETSC_ARCH}/lib -lpetsc
-fopenmp
~/dev/test/petsc $ make
gfortran -c -cpp -I/home/<username>/petsc/include -O0 myexample.f -lpetsc
-I/home/<username>/petsc/linux-amd64/include
-L/home/<username>/petsc/linux-amd64/lib -lpetsc -fopenmp
gfortran -c -cpp -I/home/<username>/petsc/include -O0 solver.f -lpetsc
-I/home/<username>/petsc/linux-amd64/include
-L/home/<username>/petsc/linux-amd64/lib -lpetsc -fopenmp
In file included from solver.f:3:
/home/<username>/petsc/include/finclude/petscsys.h:10: error: mpif.h: No such
file or directory
/home/<username>/petsc/include/finclude/petscsys.h:163.29:
Included at solver.f:3:
parameter(MPIU_SCALAR = MPI_DOUBLE_PRECISION)
1
Error: Parameter 'mpi_double_precision' at (1) has not been declared or is a
variable, which does not reduce to a constant expression
/home/<username>/petsc/include/finclude/petscsys.h:171.30:
Included at solver.f:3:
parameter(MPIU_INTEGER = MPI_INTEGER)
1
Error: Parameter 'mpi_integer' at (1) has not been declared or is a variable,
which does not reduce to a constant expression
make: *** [solver.o] Error 1
~/dev/test/petsc $
