Merge remote-tracking branch 'origin/maint'

ci: use same --with-make-test-np on both GPU test boxes: frog, p1

Merge branch 'maint'

configure: attempt to mkdir package-prefix-hash location - if not found [instead of raising an error]

Merge branch 'maint'

Fix visibility issues with CUDA

- VecSet_SeqCUDA() called from densecuda.cu
- PetscCUBLASInitializedHandle() should be declared PETSC_EXTERN

Merge remote-tracking branch 'origin/maint'

configure: use -fno-stack-check on osx/catalina

https://gitlab.com/petsc/petsc/issues/360#note_240527238

ci: add osx/catalina test box, use os:macos to gently transition all os:osx tests to it

add

configure: use -fno-stack-check on osx/catalina

https://gitlab.com/petsc/petsc/issues/360#note_240527238

ci: add osx/catalina test box, use os:macos to gently transition all os:osx tests to it

add alt file for snes_tutorials-ex19_tut_3 diff on catalina

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Merge remote-tracking branch 'origin/maint'

valgrind: disable moab test

Merge remote-tracking branch 'origin/maint'

openmpi+cuda: update test to use openmpi-4.0.2

gitlab-ci: add another GPU test box

- however continue to bind viennacl to frog as the newer compiler on p1 gives warnings [and triggers -Werror]
- limit number of simultaneous tests to minimise con

gitlab-ci: add another GPU test box

- however continue to bind viennacl to frog as the newer compiler on p1 gives warnings [and triggers -Werror]
- limit number of simultaneous tests to minimise contention for GPU

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Merge remote-tracking branch 'origin/maint'

Merge branch 'tisaac/testing-eigen-pragmatic' into 'maint'

Added eigen and pragmatic to ci testing arch gcov

See merge request petsc/petsc!2193

Merge branch 'maint'

test tetgen in arch-ci-linux-pardiso

Added eigen and pragmatic to ci testing arch gcov

This arch already has metis, a prereq for pragmatic, and is an arch
that is concerned with code coverage, so I thought it would be a good one to add

Added eigen and pragmatic to ci testing arch gcov

This arch already has metis, a prereq for pragmatic, and is an arch
that is concerned with code coverage, so I thought it would be a good one to add
pragmatic and eigen to

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Multiple small fixes and improvements for HPDDM

* New function PCHPDDMHasNeumannMat
* Bumped HPDDM version (upstream bug with BAIJ coarse matrices)
* Updated output files
* --download-hpddm without

Multiple small fixes and improvements for HPDDM

* New function PCHPDDMHasNeumannMat
* Bumped HPDDM version (upstream bug with BAIJ coarse matrices)
* Updated output files
* --download-hpddm without --download-slepc

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Merge remote-tracking branch 'origin/jczhang/feature-sf-on-gpu'

Add GPU-aware VecScatter/PetscSF

See merge request petsc/petsc!1995

ci: use package-prefix-hash with cuda tests

CUDA: switch test to use CUDA aware MPI [OpenMPI]

Features for Cray KNL systems

Detect Cray compilers and use them automatically, no longer need to use --with-cc=cc etc.
more installation.html information on using theta
Detect MKLROOT and use it if

Features for Cray KNL systems

Detect Cray compilers and use them automatically, no longer need to use --with-cc=cc etc.
more installation.html information on using theta
Detect MKLROOT and use it if no specific BLAS/LAPACK requested
Error if Cray environment detected but no Cray compiler modules set, prevents compiling with old sequential gnu compilers on the system
For Intel and GNU Cray environments on KNL systems allow compiling packages whose configures call executables by stripping the
KNL specific arguments from the compile libraries for the external libraries, thus --download-hdf5 etc work (note this does
not work for the Cray compilers because I could not figure out how to run the drive.cc programs that the cc compiler
lists when generating the complete compile/link list of compiler arguments, includes, and libraries)

Commit-type: ease-of-use, feature

Minor updates based on comments of the reviewers of the MR

Commit-type: style-fix
Reported-by: Satish Balay <balay@mcs.anl.gov>

Add self.installwithbatch = 0 for hypre since it attempts to run programs during configure
Note that with the PETSc automatic cross compiling on Theta hypre will configure and build successfully

Fix directory for checking default BLAS/LAPACK locations before checking MKLROOT variable

Fixed error in BlasLapack.py which resulted from bad merge and the variables were set too late, changed used of ls to Python function

Commit-type: bug-fix, style-fix
Reported-by: gitlab-ci

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Testing PCHPDDM and KSPHPDDM

Merge branch 'barry/2019-09-10/jed/gitlab-ci' into 'master'

Barry/2019 09 10/jed/gitlab ci

See merge request petsc/petsc!2042