I haven't check the examples - but I have the following fix for the build. Will 
push now

Satish

diff --git a/include/petscpc.h b/include/petscpc.h
index 7e583b8..0cddc86 100644
--- a/include/petscpc.h
+++ b/include/petscpc.h
@@ -324,7 +324,7 @@ PETSC_EXTERN PetscErrorCode 
PCMGResidualDefault(Mat,Vec,Vec,Vec);
 PETSC_EXTERN PetscErrorCode PCTelescopeGetReductionFactor(PC,PetscInt*);
 PETSC_EXTERN PetscErrorCode PCTelescopeSetReductionFactor(PC,PetscInt);
 PETSC_EXTERN PetscErrorCode PCTelescopeGetIgnoreDM(PC,PetscBool*);
-PETSC_EXTERN PetscErrorCode PCTelescopeSetIgnoreDM(PC,PetscInt);
+PETSC_EXTERN PetscErrorCode PCTelescopeSetIgnoreDM(PC,PetscBool);
 PETSC_EXTERN PetscErrorCode PCTelescopeGetDM(PC,DM*);
 
 #endif /* __PETSCPC_H */
diff --git a/src/ksp/pc/impls/telescope/telescope.c 
b/src/ksp/pc/impls/telescope/telescope.c
index 5e899de..fe75c46 100644
--- a/src/ksp/pc/impls/telescope/telescope.c
+++ b/src/ksp/pc/impls/telescope/telescope.c
@@ -207,7 +207,7 @@ PetscErrorCode PCTelescopeMatCreate_default(PC 
pc,PC_Telescope sred,MatReuse reu
     if (reuse != MAT_INITIAL_MATRIX) { Bred = *A; }
 
     ierr = MatGetSize(Blocal,&mm,NULL);CHKERRQ(ierr);
-    //ierr = 
MatCreateMPIMatConcatenateSeqMat(subcomm,Blocal,PETSC_DECIDE,reuse,&Bred);CHKERRQ(ierr);
+    /* ierr = 
MatCreateMPIMatConcatenateSeqMat(subcomm,Blocal,PETSC_DECIDE,reuse,&Bred);CHKERRQ(ierr);
 */
     ierr = 
MatCreateMPIMatConcatenateSeqMat(subcomm,Blocal,mm,reuse,&Bred);CHKERRQ(ierr);
   }
   *A = Bred;
@@ -734,7 +734,7 @@ PetscErrorCode PCTelescopeGetIgnoreDM(PC pc,PetscBool *v)
 
  .keywords: PC, telescoping solve
  @*/
-PetscErrorCode PCTelescopeSetIgnoreDM(PC pc,PetscInt v)
+PetscErrorCode PCTelescopeSetIgnoreDM(PC pc,PetscBool v)
 {
   PetscTryMethod(pc,"PCTelescopeSetIgnoreDM_C",(PC,PetscBool),(pc,v));
   return(0);
diff --git a/src/ksp/pc/impls/telescope/telescope_dmda.c 
b/src/ksp/pc/impls/telescope/telescope_dmda.c
index edd1708..98d0c7f 100644
--- a/src/ksp/pc/impls/telescope/telescope_dmda.c
+++ b/src/ksp/pc/impls/telescope/telescope_dmda.c
@@ -757,7 +757,7 @@ PetscErrorCode PCTelescopeMatCreate_dmda(PC pc,PC_Telescope 
sred,MatReuse reuse,
 
     if (reuse != MAT_INITIAL_MATRIX) {Bred = *A;}
     ierr = MatGetSize(Blocal,&mm,NULL);CHKERRQ(ierr);
-    //ierr = 
MatCreateMPIMatConcatenateSeqMat(subcomm,Blocal,PETSC_DECIDE,reuse,&Bred);CHKERRQ(ierr);
+    /* ierr = 
MatCreateMPIMatConcatenateSeqMat(subcomm,Blocal,PETSC_DECIDE,reuse,&Bred);CHKERRQ(ierr);
 */
     ierr = 
MatCreateMPIMatConcatenateSeqMat(subcomm,Blocal,mm,reuse,&Bred);CHKERRQ(ierr);
   }
   *A = Bred;


On Tue, 8 Sep 2015, Barry Smith wrote:

> 
>   Dave,
> 
>     I'll be fixing these.
> 
>    Barry
> 
> > On Sep 8, 2015, at 9:00 AM, PETSc checkBuilds 
> > <[email protected]> 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/6ab51f8
> > PCSemiRedundant:
> > 
> >  src/ksp/pc/impls/telescope/telescope.c:116
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-opt_crank.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope.c:116:3: 
> > warning: 'subdm' may be used uninitialized in this function 
> > [-Wmaybe-uninitialized]
> > 
> >  src/ksp/pc/impls/telescope/telescope.c:210
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-c89_thrash.log]
> >      
> > /sandbox/petsc/petsc.clone-2/src/ksp/pc/impls/telescope/telescope.c:210:5: 
> > error: expected expression before '/' token
> > 
> >  src/ksp/pc/impls/telescope/telescope.c:380
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-opt_crank.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope.c:380:12: 
> > warning: 'subcomm' may be used uninitialized in this function 
> > [-Wmaybe-uninitialized]
> > 
> >  src/ksp/pc/impls/telescope/telescope_dmda.c:112
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-opt-cxx-quad_cg.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:112:18:
> >  warning: 'start_IJK' may be used uninitialized in this function 
> > [-Wmaybe-uninitialized]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-opt_crank.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:112:7:
> >  warning: 'start_IJK' may be used uninitialized in this function 
> > [-Wmaybe-uninitialized]
> > 
> >  src/ksp/pc/impls/telescope/telescope_dmda.c:535
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-c-exodus-dbg-builder_bb-proxy.log]
> >      
> > /sandbox/balay/petsc.clone-3/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-gcc-ifc-cmplx_crank.log]
> >      
> > /sandbox/petsc/petsc.clone-2/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-valgrind_grind.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-cuda_bb-proxy.log]
> >      
> > /sandbox/balay/petsc.clone-2/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-64idx_thrash.log]
> >      
> > /sandbox/petsc/petsc.clone-3/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-freebsd-cxx-cmplx-pkgs-dbg_wii.log]
> >      
> > /home/balay/petsc.clone-3/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-threadcomm_thrash.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-gcc-pgf90_grind.log]
> >      
> > /sandbox/petsc/petsc.clone-2/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-uni_crush.log]
> >      
> > /sandbox/petsc/petsc.clone-2/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-opt_crank.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-dbg-quad_churn.log]
> >      
> > /sandbox/petsc/petsc.clone-3/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-viennacl_bb-proxy.log]
> >      
> > /sandbox/balay/petsc.clone-4/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-cuda-double_bb-proxy.log]
> >      
> > /sandbox/balay/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-opt-cxx-quad_cg.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:535:54:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> > 
> >  src/ksp/pc/impls/telescope/telescope_dmda.c:609
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-opt_crank.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-threadcomm_thrash.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-uni_crush.log]
> >      
> > /sandbox/petsc/petsc.clone-2/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-gcc-pgf90_grind.log]
> >      
> > /sandbox/petsc/petsc.clone-2/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-viennacl_bb-proxy.log]
> >      
> > /sandbox/balay/petsc.clone-4/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-opt-cxx-quad_cg.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-c-exodus-dbg-builder_bb-proxy.log]
> >      
> > /sandbox/balay/petsc.clone-3/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-cuda-double_bb-proxy.log]
> >      
> > /sandbox/balay/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-freebsd-cxx-cmplx-pkgs-dbg_wii.log]
> >      
> > /home/balay/petsc.clone-3/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-dbg-quad_churn.log]
> >      
> > /sandbox/petsc/petsc.clone-3/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-gcc-ifc-cmplx_crank.log]
> >      
> > /sandbox/petsc/petsc.clone-2/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-valgrind_grind.log]
> >      
> > /sandbox/petsc/petsc.clone/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-pkgs-64idx_thrash.log]
> >      
> > /sandbox/petsc/petsc.clone-3/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-cuda_bb-proxy.log]
> >      
> > /sandbox/balay/petsc.clone-2/src/ksp/pc/impls/telescope/telescope_dmda.c:609:49:
> >  warning: variable 'natural_ijk' set but not used 
> > [-Wunused-but-set-variable]
> > 
> >  src/ksp/pc/impls/telescope/telescope_dmda.c:760
> >    
> > [http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/09/08/build_next_arch-linux-c89_thrash.log]
> >      
> > /sandbox/petsc/petsc.clone-2/src/ksp/pc/impls/telescope/telescope_dmda.c:760:5:
> >  error: expected expression before '/' token
> > 
> > ----
> > To opt-out from receiving these messages - send a request to 
> > [email protected].
> 
> 

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