[petsc-users] make ex5

[Barry Smith]

On Aug 30, 2012, at 6:20 PM, "Jin, Shuangshuang" <Shuangshuang.Jin at pnnl.gov> wrote:

> Hi, there, I got an error while trying to do run an example in PETSc src/snes/examples/tutorials:
>  
> [d3m956 at olympus tutorials]$ make ex5
> *********************W-a-r-n-i-n-g*************************
> Your PETSC_DIR may not match the directory you are in
> PETSC_DIR  /share/apps/petsc/3.2p3 Current directory /pic/projects/mca/ss/petsc-3.3/src/snes/examples/tutorials

    Looks like you are trying to compile a PETSc 3.3 example with PETSc 3.2.   You cannot do this; new stuff was added to 3.3 that is not in 3.2

> ******************************************************
> mpicc -o ex5.o -c -fPIC -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -g3 -I/share/apps/petsc/3.2p3/include -I/share/apps/petsc/3.2p3/gcc-4.1.2-openmpi-1.5.4/includ               e -I/share/apps/openmpi/1.5.4/gcc/4.1.2/include -D__INSDIR__=src/snes/examples/tutorials/ ex5.c
> ex5.c(67): remark #1419: external declaration in primary source file

    The compiler is being stupid. This is completely legal and legitimate C code; ignore these warnings.


    Barry


>   extern PetscErrorCode FormInitialGuess(DM,AppCtx*,Vec);
>                         ^
>  
> ex5.c(68): remark #1419: external declaration in primary source file
>   extern PetscErrorCode FormFunctionLocal(DMDALocalInfo*,PetscScalar**,PetscScalar**,AppCtx*);
>                         ^
>  
> ex5.c(69): remark #1419: external declaration in primary source file
>   extern PetscErrorCode FormJacobianLocal(DMDALocalInfo*,PetscScalar**,Mat,AppCtx*);
>                         ^
>  
> ex5.c(73): remark #1419: external declaration in primary source file
>   extern PetscErrorCode NonlinearGS(SNES,Vec,Vec,void*);
>                         ^
>  
> ex5.c(107): remark #266: function "SNESSetGS" declared implicitly
>     ierr = SNESSetGS(snes, NonlinearGS, PETSC_NULL);CHKERRQ(ierr);
>            ^
>  
> ex5.c(403): remark #869: parameter "ctx" was never referenced
>   PetscErrorCode NonlinearGS(SNES snes,Vec X, Vec B, void * ctx)
>                                                             ^
>  
> mpicc -fPIC -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -g3  -o ex5 ex5.o -Wl,-rpath,/share/apps/petsc/3.2p3//gcc-4.1.2-openmpi-1.5.4/lib -L/share/apps/petsc/3.2p               3/gcc-4.1.2-openmpi-1.5.4/lib  -lpetsc -lX11 -lpthread -Wl,-rpath,/share/apps/petsc/3.2p3/gcc-4.1.2-openmpi-1.5.4/lib -lflapack -lfblas -Wl,-rpath,/share/apps/openmpi/1.5.4/gcc/4.1.2               /lib -L/share/apps/openmpi/1.5.4/gcc/4.1.2/lib -Wl,-rpath,/usr/lib/gcc/x86_64-redhat-linux/4.1.2 -L/usr/lib/gcc/x86_64-redhat-linux/4.1.2 -ldl -lmpi -lnsl -lutil -lgcc_s -lpthread -l               mpi_f90 -lmpi_f77 -lgfortran -lm -lm -lm -lm -ldl -lmpi -lnsl -lutil -lgcc_s -lpthread -ldl
> /share/apps/intel/11.1/069/lib/intel64/libimf.so: warning: warning: feupdateenv is not implemented and will always fail
> ex5.o: In function `main':
> /pic/projects/mca/ss/petsc-3.3/src/snes/examples/tutorials/ex5.c:107: undefined reference to `SNESSetGS'
> make: [ex5] Error 1 (ignored)
> /bin/rm -f ex5.o
>  
> Can anyone tell me what is the problem here?
>  
> Thanks,
> Shuangshuang
>