This should have been sent to Toby.
I don't really understand the issue here. Its triggered by --with-debugging=0.
I'm
not sure why these compilers are pointing to petscsys.h. I get slightly
different message
on my laptop.
mpicc -c -fPIC -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas
-fvisibility=hidden -g -O -I/home/balay/petsc/include
-I/home/balay/petsc/arch-linux2-c-opt/include
-I/home/balay/soft/mpich-3.1.4/include -MMD -MP
/home/balay/petsc/src/dm/impls/plex/plextree.c -o
arch-linux2-c-opt/obj/src/dm/impls/plex/plextree.o
/home/balay/petsc/src/dm/impls/plex/plextree.c: In function
‘DMPlexComputeInjectorTree’:
/home/balay/petsc/src/dm/impls/plex/plextree.c:3484:11: warning: ‘childrenMats’
may be used uninitialized in this function [-Wmaybe-uninitialized]
ierr = PetscFree(refPointFieldMats);CHKERRQ(ierr);
^
/home/balay/petsc/src/dm/impls/plex/plextree.c:3507:18: note: ‘childrenMats’
was declared here
PetscScalar ***childrenMats;
^
Satish
On Fri, 8 Apr 2016, PETSc checkBuilds wrote:
>
>
> Dear PETSc developer,
>
> This email contains listings of contributions attributed to you by
> `git blame` that caused compiler errors or warnings in PETSc automated
> testing. Follow the links to see the full log files. Please attempt to fix
> the issues promptly or let us know at [email protected] if you are unable
> to resolve the issues.
>
> Thanks,
> The PETSc development team
>
> ----
>
> warnings attributed to commit
> https://bitbucket.org/petsc/petsc/commits/49d7da5
> PetscMalloc: allow ptr=malloc(0) and free(ptr)
>
> include/petscsys.h:1157
>
> [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2016/04/08/build_next_arch-freebsd-cxx-pkgs-opt_wii.log]
> /usr/home/balay/petsc.clone-2/include/petscsys.h:1157:88: warning:
> 'childrenMats' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
>
> [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2016/04/08/build_next_arch-linux-opt-cxx-quad_grind.log]
> /sandbox/petsc/petsc.clone-3/include/petscsys.h:1157:88: warning:
> 'childrenMats' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
>
> [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2016/04/08/build_next_arch-freebsd-pkgs-opt_wii.log]
> /usr/home/balay/petsc.clone/include/petscsys.h:1157:39: warning:
> 'childrenMats' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
>
> [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2016/04/08/build_next_arch-linux-pkgs-latest_cg.log]
> /sandbox/petsc/petsc.clone-4/include/petscsys.h:1157:25: warning:
> 'childrenMats' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
>
> [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2016/04/08/build_next_arch-linux-pkgs-opt_crank.log]
> /sandbox/petsc/petsc.clone/include/petscsys.h:1157:25: warning:
> 'childrenMats' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
>
> ----
> To opt-out from receiving these messages - send a request to
> [email protected].
>
