I could not manage to get this MR fix back in the same commit as the basic changes to the petscstack
so it has to be in its own commit

Add PETSc CI mode to allow better handling of errors and system dependent output when running in test harness

-petsc_ci - automatically set for all runs in test harness

-petsc_ci_portable_error_out

Add PETSc CI mode to allow better handling of errors and system dependent output when running in test harness

-petsc_ci - automatically set for all runs in test harness

-petsc_ci_portable_error_output - ensures all error messages (when possible are system and compiler information),
should be only used in tests that are explicitly testing the error handling

This allows proper comparisons of runs on different machines and when errors are intentionally triggered to test error handling

Commit-type: error-checking, testing-fix
/spend 5h

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Cleanup and unify naming of PetscCall routines

Commit-type: housekeeping
/spend 10m

Fix handling of PetscStack for callback functions and external package calls (and update slepc in sync)

Information was often wrong; incorrect filenames and line numbers removed

Also unified naming

Fix handling of PetscStack for callback functions and external package calls (and update slepc in sync)

Information was often wrong; incorrect filenames and line numbers removed

Also unified naming for callback function stack frames

Commit-type: error-checking, debugability
/spend 2h

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Remove bad PetscFunctionBegin that cannot have PetscFunctionReturn partner

Commit-type: bug-fix
/spend 2m

Improve and fix manual pages related to PetscStack usage

Commit-type: documentation
/spend 1h

Merge remote-tracking branch 'origin/release'

PetscFPTrap[Pop|Push](): fix --with-threadsafety

Merge branch 'barry/2022-04-14/fix-rebalance' into 'main'

Major repairs for DMPlexRebalanceSharedVertices()

See merge request petsc/petsc!5234

PetscAttachDebuggerErrorHandler() must call abort instead of returning to prevent a cycle of signals and debugger attachments.

Commit-type: error handling
/spend 5m

The malloc checker printed the PETSc stack trace, but when a signal is caught the trace is already printed.


Commit-type: error-checking, bug-fix
/spend 10m

Fix default floating point exceptions for when the C99 IEEE interface is used to not trap underflow

For some reason the PETSc trapping underflow was turned on in the PETSc source with C99 IEEE but n

Fix default floating point exceptions for when the C99 IEEE interface is used to not trap underflow

For some reason the PETSc trapping underflow was turned on in the PETSc source with C99 IEEE but not for some
other trapping APIs. This commit fixes that inconsistency by not trapping for underflow in that case.

Add to the PetscSetFPTrap() API support for controlling trapping individual types of exceptions. This code
is not yet turned on.

Commit-type: bug-fix
/spend 15m

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Add proper support for PetscCall(), PetscCallMPI() for Fortran

Also add support for PetscCallA(), PetscCallMPIA() for Fortran that abort

Provide support for printing the Fortran line and filenames

Add proper support for PetscCall(), PetscCallMPI() for Fortran

Also add support for PetscCallA(), PetscCallMPIA() for Fortran that abort

Provide support for printing the Fortran line and filenames with the errors or not depending on how long Fortran source code lines can be

Minor improvements to handling calls to PetscError() with no function string

Commit-type: error-checking, feature
/spend 2h

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Improve formatting of MPI error messages printed by PETSc error handlers.

Commit-type: feature, error handling
/spend 15m

Get values of makefile SOURCE etc from the file system instead of makefiles

Use SUBMANSEC from include files for manual sections instead of the makefile

Unfortunately this has to be one large commi

Get values of makefile SOURCE etc from the file system instead of makefiles

Use SUBMANSEC from include files for manual sections instead of the makefile

Unfortunately this has to be one large commit since the changes all have to be done at once

Commit-type: docs
/spend 10m

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Add -include */petscdir.mk to makefile that lacked it

for i in `git ls-files | grep makefile | xargs grep -L petscdir.mk`; do
echo $i ;
str=`echo $i |sed -e 's?[-a-zA-Z0-9]*/?../?g' -e 's?makef

Add -include */petscdir.mk to makefile that lacked it

for i in `git ls-files | grep makefile | xargs grep -L petscdir.mk`; do
echo $i ;
str=`echo $i |sed -e 's?[-a-zA-Z0-9]*/?../?g' -e 's?makefile?petsckdir.mk?g'` ;
cp $i tmp
echo "-include $str" > $i
cat tmp >> $i
done

Commit-type: makefile, housekeeping
/spend 15m

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