now impossible to debug code that uses PETSc shared libraries?

Satish Balay balay at
Sat May 3 01:00:48 CDT 2008

On Sat, 3 May 2008, Satish Balay wrote:

> On Fri, 2 May 2008, Barry Smith wrote:
> > apple
> Appears to work fine on 10.4 ppc machine - I have access to.

Also works on 10.4 Intel machine



videh:~/petsc-dev/src/ksp/ksp/examples/tutorials balay$ ls $PETSC_DIR/$PETSC_ARCH/lib
foo                     libpetsc.dylib          libpetscdm.dylib        libpetscmat.dylib       libpetscts.dylib
libmpiuni.a             libpetsccontrib.dylib   libpetscksp.dylib       libpetscsnes.dylib      libpetscvec.dylib
videh:~/petsc-dev/src/ksp/ksp/examples/tutorials balay$ make ex2
gcc -o ex2.o -c -fPIC -Wall -Wwrite-strings -Wno-long-double -Wno-strict-aliasing -g3 -I/Users/balay/petsc-dev/src/dm/mesh/sieve -I/Users/balay/petsc-dev -I/Users/balay/petsc-dev/darwin8.11.1-c-debug/include -I/Users/balay/petsc-dev/include -I/Developer/SDKs/MacOSX10.4u.sdk/usr/X11R6/include -I/Users/balay/petsc-dev/include/mpiuni -D__SDIR__="src/ksp/ksp/examples/tutorials/" ex2.c
gcc -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/Users/balay/petsc-dev/darwin8.11.1-c-debug/lib -L/Users/balay/petsc-dev/darwin8.11.1-c-debug/lib -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetsc    -L/usr/X11R6/lib -lX11  -L/Users/balay/petsc-dev/darwin8.11.1-c-debug/lib -L/Users/balay/petsc-dev/darwin8.11.1-c-debug/lib -lmpiuni -llapack -lblas 
/bin/rm -f ex2.o
videh:~/petsc-dev/src/ksp/ksp/examples/tutorials balay$ gdb ex2
GNU gdb 6.3.50-20050815 (Apple version gdb-573) (Fri Oct 20 15:50:43 GMT 2006)
Copyright 2004 Free Software Foundation, Inc.
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This GDB was configured as "i386-apple-darwin"...Reading symbols for shared libraries .......... done

(gdb) b MatMult
Breakpoint 1 at 0x184cfe: file matrix.c, line 1687.
(gdb) r
Starting program: /Users/balay/petsc-dev/src/ksp/ksp/examples/tutorials/ex2 
Reading symbols for shared libraries ..+.+++++ done
Breakpoint 1 at 0x118cd0c: file matrix.c, line 1690.

Breakpoint 1, MatMult (mat=0x1808f30, x=0x180b930, y=0x180fb30) at matrix.c:1690
1690      PetscFunctionBegin;
(gdb) where
#0  MatMult (mat=0x1808f30, x=0x180b930, y=0x180fb30) at matrix.c:1690
#1  0x00002746 in main (argc=1, args=0xbffffae0) at ex2.c:141
(gdb) list
1685    @*/
1686    PetscErrorCode PETSCMAT_DLLEXPORT MatMult(Mat mat,Vec x,Vec y)
1687    {
1688      PetscErrorCode ierr;
1690      PetscFunctionBegin;
1691      PetscValidHeaderSpecific(mat,MAT_COOKIE,1);
1692      PetscValidType(mat,1);
1693      PetscValidHeaderSpecific(x,VEC_COOKIE,2);
1694      PetscValidHeaderSpecific(y,VEC_COOKIE,3); 

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