now impossible to debug code that uses PETSc shared libraries?

[Satish Balay]

On Fri, 2 May 2008, Barry Smith wrote:

> apple

Appears to work fine on 10.4 ppc machine - I have access to.

Satish
----------------------------------------------

[icrunch:ksp/examples/tutorials] petsc% ls $PETSC_DIR/$PETSC_ARCH/lib
foo/                    libmpichf90.a           libpetscdm.dylib        libpetscsnes.dylib      libpmpich.a
libfmpich.a             libpetsc.dylib*         libpetscksp.dylib       libpetscts.dylib        mpich2-ch3.pc
libmpich.a              libpetsccontrib.dylib   libpetscmat.dylib       libpetscvec.dylib       pkgconfig/
[icrunch:ksp/examples/tutorials] petsc% make ex2
/sandbox/petsc/petsc-dev/macosx-gnu/bin/mpicc -o ex2.o -c -fPIC -Wall -Wwrite-strings -Wno-long-double -Wno-strict-aliasing -g3 -I/sandbox/petsc/petsc-dev/src/dm/mesh/sieve -I/sandbox/petsc/petsc-dev -I/sandbox/petsc/petsc-dev/macosx-gnu/include -I/sandbox/petsc/petsc-dev/include -I/usr/X11R6/include -I/sandbox/petsc/petsc-dev/macosx-gnu/include -I. -I/sandbox/petsc/petsc-dev/macosx-gnu/include -I/sandbox/petsc/petsc-dev/macosx-gnu/include -D__SDIR__="src/ksp/ksp/examples/tutorials/" ex2.c
/sandbox/petsc/petsc-dev/macosx-gnu/bin/mpicc -Wl,-multiply_defined,suppress -Wl,-multiply_defined -Wl,suppress -Wl,-multiply_defined,suppress -Wl,-multiply_defined -Wl,suppress -Wl,-multiply_defined,suppress -Wl,-multiply_defined -Wl,suppress -Wl,-multiply_defined,suppress -Wl,-multiply_defined -Wl,suppress  -fPIC -Wall -Wwrite-strings -Wno-long-double -Wno-strict-aliasing -g3  -o ex2 ex2.o  -L/sandbox/petsc/petsc-dev/macosx-gnu/lib -L/sandbox/petsc/petsc-dev/macosx-gnu/lib -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetsc    -L/usr/X11R6/lib -lX11    /System/Library/Frameworks/vecLib.framework/vecLib -L/sandbox/petsc/petsc-dev/macosx-gnu/lib -L/usr/lib/gcc/powerpc-apple-darwin8/4.0.1 -ldl -lpmpich -lmpich -lSystemStubs -lSystem -lmpichf90 -lgfortranbegin -lgfortran -L/usr/local/gfortran/lib/gcc/powerpc-apple-darwin7.9.0/4.2.0 -L/usr/local/gfortran/lib -lgcc_s.10.4 -lmx -ldl -lpmpich -lmpich -lSystemStubs -lSystem -ldl 
/usr/bin/ld: warning suggest use of -bind_at_load, as lazy binding may result in errors or different symbols being used
symbol _MPI_Comm_rank used from dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetsc.dylib(single module) not from earlier dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetscdm.dylib(single module)
symbol _MPI_Comm_size used from dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetsc.dylib(single module) not from earlier dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetscdm.dylib(single module)
symbol _MPI_Comm_size used from dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetsc.dylib(single module) not from earlier dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetscvec.dylib(single module)
symbol _MPI_Allreduce used from dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetsc.dylib(single module) not from earlier dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetscvec.dylib(single module)
symbol _MPI_Comm_compare used from dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetsc.dylib(single module) not from earlier dynamic library /sandbox/petsc/petsc-dev/macosx-gnu/lib/libpetscdm.dylib(single module)
/bin/rm -f ex2.o
[icrunch:ksp/examples/tutorials] petsc% gdb ex2
GNU gdb 6.1-20040303 (Apple version gdb-434) (Wed Nov  2 17:28:16 GMT 2005)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "powerpc-apple-darwin"...Reading symbols for shared libraries ............ done

(gdb) b MatMult
Breakpoint 1 at 0x1a9798: file matrix.c, line 1687.
(gdb) r
Starting program: /sandbox/petsc/petsc-dev/src/ksp/ksp/examples/tutorials/ex2 
Reading symbols for shared libraries .++.+....+++++ done
Breakpoint 1 at 0x11b17c0: file matrix.c, line 1690.
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done

Breakpoint 1, MatMult (mat=0x200d130, x=0x2017d30, y=0x2018930) at matrix.c:1690
1690      PetscFunctionBegin;
(gdb) where
#0  MatMult (mat=0x200d130, x=0x2017d30, y=0x2018930) at matrix.c:1690
#1  0x00002ff8 in main (argc=1, args=0xbffff8a8) at ex2.c:141
(gdb) list
1685    @*/
1686    PetscErrorCode PETSCMAT_DLLEXPORT MatMult(Mat mat,Vec x,Vec y)
1687    {
1688      PetscErrorCode ierr;
1689      
1690      PetscFunctionBegin;
1691      PetscValidHeaderSpecific(mat,MAT_COOKIE,1);
1692      PetscValidType(mat,1);
1693      PetscValidHeaderSpecific(x,VEC_COOKIE,2);
1694      PetscValidHeaderSpecific(y,VEC_COOKIE,3); 
(gdb)