Merge branch 'jolivet/no-device-no-petscdevice' into 'main'

Add `--with-devicelanguage` to make PETSc a C library again

Closes #997

See merge request petsc/petsc!8783

configure: add --with-devicelanguage=(C|C++)

Merge branch 'jolivet/configure-housekeeping' into 'main'

configure: minor cleanup

See merge request petsc/petsc!5163

configure: avoid misplacement of "Language used.."

Merge branch 'balay/disable-python2' into 'main'

Balay/disable python2

See merge request petsc/petsc!5131

remove '#!' from non-stand-alone python sources

Merge branch 'barry/2019-12-19/fix-makefile-compile-output' into 'master'

when clanguage=c++ 1) don't error printing mpi.h path 2) print proper C...

See merge request petsc/petsc!2409

when clanguage=c++ 1) don't error printing mpi.h path 2) print proper C compiler 3) print message indicating clanguage=c++

Commit-type: bug-fix, feature
Reported-by: Lisandro Dalcin <dalcinl@gmail.c

when clanguage=c++ 1) don't error printing mpi.h path 2) print proper C compiler 3) print message indicating clanguage=c++

Commit-type: bug-fix, feature
Reported-by: Lisandro Dalcin <dalcinl@gmail.com>

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Merge branch 'barry/2019-07-27/error-check-mpiexec' into 'master'

Large number of fixes, optimizations for configure, speeds up the configure

See merge request petsc/petsc!2046

Large number of fixes, optimizations for configure, speeds up the configure

1) turn off checking if MPI library is shared since that code has been broken for 3+ years

2) move pure Fortran configure

Large number of fixes, optimizations for configure, speeds up the configure

1) turn off checking if MPI library is shared since that code has been broken for 3+ years

2) move pure Fortran configure tests to compilersFortran.py

3) turned threads back on but only use them for performing timeout for *runtest() commands (since they slow everything down if used
everywhere)

4) changed parallel configure (which doesn't work anyways) to use --useParallel and not overload --useThreads

5) added runtime check of mpiexec that uses timeout (replaces previous test in MPI shared libraries)

6) removed unused tests in configure in the interest of speed

7) minor refactorization of configure for better support of parallel configure (which doesn't work)

8) added timing results in configure.log. These may be accessed with grep child configure.log | sort -k3 -g

9) add check that mpiexec given in configure test matches the MPI compilers and libraries used

Commit-type: optimization, bug-fix, portability-fix, feature
Reported-by: Carl Steefel <cisteefel@lbl.gov>

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Merge branch 'barry/2019-08-22/fix-fblaslapack-for-nag' into 'master'

Barry/2019 08 22/fix fblaslapack for nag

See merge request petsc/petsc!2004

Many fixes to get PETSc and --download-fblaslapack working with nagfor compiler

Works with --download-fblaslapack, --download-scalapack, --download-mpich (does not work with --download-mumps)

Uses

Many fixes to get PETSc and --download-fblaslapack working with nagfor compiler

Works with --download-fblaslapack, --download-scalapack, --download-mpich (does not work with --download-mumps)

Uses lib/petsc/bin/petscnagfor as wrapper compiler since nagfor cannot work natively with the PETSc/standard Unix build environment

Required fixes/modernizations for BLAS/LAPACK source code (updated in the branch used by this branch, need to make it a tag when done)

Found a couple of portability issues with PETSc mpif.h

When package build fails they will no longer dump all the (huge amount) build output to the screeen

Commit-type: portability-fix

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Merge branch 'maint'

Merged in balay/verify_clanguage_cxx_compiler/maint (pull request #1622)

configure: When --with-clanguage=cxx is used, verify that the c++ compiler can actually compile .c sources [as c++]

Approved

Merged in balay/verify_clanguage_cxx_compiler/maint (pull request #1622)

configure: When --with-clanguage=cxx is used, verify that the c++ compiler can actually compile .c sources [as c++]

Approved-by: BarryFSmith <bsmith@mcs.anl.gov>
Approved-by: Matthew Knepley <knepley@gmail.com>

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configure: When --with-clanguage=cxx is used, verify that the c++ compiler can actually compile .c sources [as c++]

Reported-by: Fande Kong <fdkong.jd@gmail.com>

Merged petsc/petsc into master

Merge branch 'master' into jpusztay/feature-swarm-symplectic-example

Merge branch 'master' into jpustay/feature-swarm-example

Merged petsc/petsc into master

Merge branch 'master' into arcowie-rem/feature-error-logging

* master: (393 commits)
Bib: Update reference
Mat: Doc fix
Bib: Updated ref
PetscDS: Doc fixes
PC+LU: Do not try to refactor an

Merge branch 'master' into arcowie-rem/feature-error-logging

* master: (393 commits)
Bib: Update reference
Mat: Doc fix
Bib: Updated ref
PetscDS: Doc fixes
PC+LU: Do not try to refactor an already factored matrix
Mat: Small fix for checking and docs
Mat: Added MatSetFactorType() - Needed it when making a shell matrix look factored
PetscDS: Added PetscDSUpdateBoundary() - Lets the user change the boundary condition
single precision produces different convergence history
p4est: has a dependency on zlib - so handle it correctly
Add -mat_mffd_complex to use the Lyness complex number trick to compute J_u * v instead of differencing.
Replace VecWAXPY by VecAXPY if needed
Revert "Replace VecWAXPY by VecAXPY if needed"
Replace VecWAXPY by VecAXPY if needed
MatHermitianTransposeGetMat and MatCreateVecs
ex19: Updated test filter to avoid false positives.
DM: Improved Global-To-Natural docs Suggested-by: Josh L <ysjosh.lo@gmail.com>
Do not build shared openblas when doing static build
Upgrade OpenBLAS to 0.3.3
test: add alt output file for changes in OSX-10.14 and Xcode-10.0 [perhaps related to ML]
...

Conflicts:
src/vec/is/utils/vsectionis.c

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Merge branch 'jed/python3-futurize' [PR #1122]

Merge announces support for Python 3.4+ in changes/dev.html.

* jed/python3-futurize: (44 commits)
gmakegentest: avoid prefix matching in regex
dm

Merge branch 'jed/python3-futurize' [PR #1122]

Merge announces support for Python 3.4+ in changes/dev.html.

* jed/python3-futurize: (44 commits)
gmakegentest: avoid prefix matching in regex
dm tests ex23.c: fix test args: -one -two -three
gmakegentest: more fixes
gmakegentest: fix processing of arguments containing number followed by "-"
gmakegentest: always loop over nsize; Python-3 fixes
python3: add in a python-3.4 test
python: fix build on osx/opensolaris - where 'RANLIB=ranlib -c' i.e with a space..
python3: fix --download-ptscotch error
configure: glob() gets executed early - whereas we need to get file list later [after 'make all' or equivalent] so revert back to using shell to get file-list
python3: map() requires a list modifier for this usage.
python: replace ModuleNotFoundError a python3.6+ feature with ImportError
config: call setup to ensure that debugLevel is set
nightlies: switch linux-pkg-dbg-ftn-interfaces to python3
config: enable Python-3
config: urllib/urlparse updates for Python-3 compatibility
config fblaslapack: use isIBM instead of manual test
python: replace commands with subprocess
Fix LOCDIR paths
generateetags.py: switch from commands to subprocess; unicode fix
python: don't import commands when it isn't used
...

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config: remove "import user"; deprecated in Python 2.6 and removed in 3

I can't imagine why anyone would want this unpredictable behavior in a
configuration system in the first place.

improve clanguage=cxx warning message

configure: add a warning for clanguage=cxx usage

Merge branch 'master' into barry/add-pcfieldsplit-logevent