[petsc-dev] openmp

[Svetlana Tkachenko]

On Thu, 7 Nov 2013, at 10:22, Jed Brown wrote:
> Svetlana Tkachenko <svetlana.tkachenko at fastmail.fm> writes:
> > Right. I have spent half of an hour now trying to imagine what to do
> > to link trying everything like a headless chicken and it did not
> > work. 
> 
> You always have to send the error message.
> 
> > I would appreciate if you could come up with something that links, not
> > just runs a single program.
> 
> The makefiles we suggested link a program of the same name as the source
> file.  Do you have multiple source files?  You only have to edit the one
> line and run "make".
> 
> program: several.o object.o files.o
> 	${CLINKER} -o $@ $^ ${PETSC_LIB}
> 
> include ${PETSC_DIR}/conf/variables
> include ${PETSC_DIR}/conf/rules
> Email had 1 attachment:
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~/dev/test/petsc $ cat makefile
myexample: myexample.o solver.o
                ${CLINKER} -o $@ $^ ${PETSC_LIB}

include ${PETSC_DIR}/conf/variables
include ${PETSC_DIR}/conf/rules
~/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 $ make
gfortran -c  -fPIC -Wall -Wno-unused-variable -g  -fopenmp  -o solver.o solver.f
Warning: solver.f:2: Illegal preprocessor directive
solver.f:3.12:

            PetscErrorCode ierr
            1
Error: Unclassifiable statement at (1)
solver.f:8.14:

              CHKERRQ(ierr)
              1
Error: Unclassifiable statement at (1)
solver.f:13.14:

              CHKERRQ(ierr)
              1
Error: Unclassifiable statement at (1)
make: [solver.o] Error 1 (ignored)
gcc -fopenmp -fopenmp   -fPIC -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -g3 -fno-inline -O0 -fopenmp  -o myexample myexample.o solver.o -Wl,-rpath,/home/<username>/petsc/linux-amd64/lib -L/home/<username>/petsc/linux-amd64/lib  -lpetsc -Wl,-rpath,/home/<username>/petsc/linux-amd64/lib -lflapack -lfblas -lX11 -lpthread -Wl,-rpath,/usr/lib/gcc/x86_64-redhat-linux/4.4.7 -L/usr/lib/gcc/x86_64-redhat-linux/4.4.7 -lgfortran -lm -lm -lstdc++ -lstdc++ -ldl -lgcc_s -ldl
gcc: solver.o: No such file or directory
make: *** [myexample] Error 1

~/dev/test/petsc $