Merge branch 'jczhang/2026-02-16/change-cpp-to-cxx' into 'main'

Change *.cpp to *.cxx

See merge request petsc/petsc!9043

Change *.cpp to *.cxx

Merge branch 'jczhang/2026-02-03/minor-improvement' into 'main'

Minor improvements in config and makefile

See merge request petsc/petsc!8999

gmakefile: print out HIPC and SYCLC info if exist

Merge branch 'barry/2026-01-03/use-shellcheck-on-shellscripts' into 'main'

add make shellcheck

See merge request petsc/petsc!8933

Style guide for makefiles

Add make checkshellcheck and shellcheck to use shellcheck on PETSc scripts

Merge branch 'barry/2025-12-04/fix-use-mpi-f08' into 'main'

Replace -with-mpi-f90module-visibility with -with-mpi-ftn-module=mpi_f08

See merge request petsc/petsc!8885

Replace -with-mpi-f90module-visibility with -with-mpi-f90module=mpi_f08

Add PETSC_INT_KIND and PETSC_MPIINT_KIND

Reported-by: M.Weiland@epcc.ed.ac.uk

fprettify does not need to trigger generating all the CI test scripts

which take forever

Why can't this line be an opt in instead of an opt out, then we won't need to keep on adding new rules to th

fprettify does not need to trigger generating all the CI test scripts

which take forever

Why can't this line be an opt in instead of an opt out, then we won't need to keep on adding new rules to the list of opt out?

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Merge branch 'jolivet/checkbadSource' into 'main'

checkbadSource: enforce proper style in makefiles

See merge request petsc/petsc!8802

checkbadSource: enforce proper style in makefiles

Merge branch 'barry/2025-07-25/change-makealletags-to-makeetags' into 'main'

Change make alletags to make etags since it always makes all of them

See merge request petsc/petsc!8593

Change make alletags to make etags since it always makes all of them

Merge remote-tracking branch 'origin/release'

Merge branch 'balay/fix-info' into 'release'

gmakefile: fix CPP usage in 'info'

See merge request petsc/petsc!8439

gmakefile: fix CPP usage in 'info'

Merge remote-tracking branch 'origin/release'

Merge branch 'jolivet/fix-setup-petsc4py' into 'release'

[mpi,petsc]4py: do not let setup.py add extra flags with Intel compilers

See merge request petsc/petsc!8333

No need to generate tests when building external libraries

Merge branch 'rmills/feature-ml-petscregressor' into 'main'

Add basic PetscRegressor component with support for a few linear regressors

See merge request petsc/petsc!7709

Add initial version PetscRegressor, part of the planned machine learning (ML) toolkit

Co-authored-by: Mr. Hong Zhang <hongzhang@anl.gov>
Co-authored-by: Hansol Suh <hsuh@anl.gov>
Co-authored-by: Bar

Add initial version PetscRegressor, part of the planned machine learning (ML) toolkit

Co-authored-by: Mr. Hong Zhang <hongzhang@anl.gov>
Co-authored-by: Hansol Suh <hsuh@anl.gov>
Co-authored-by: Barry Smith <bsmith@petsc.dev>
Co-authored-by: Toby Isaac <toby.isaac@gmail.com>
Co-authored-by: Satish Balay <balay@mcs.anl.gov>

Mr. Hong Zhang developed the petsc4py interface and examples.
Hansol Suh provided extensive help with updating the code to the latest PETSc coding guidelines and APIs, some documentation development, getting documentation to build correctly, getting new tests into the test harness, and numerous big fixes plus minor changes.
Barry Smith provided extensive feedback and code to get the Fortran interfaces and documentation build working.
Toby Isaac provided a fix to prevent breakage with complex-arithmetic builds.
Satish Balay provided important help with fixing builds.

Thanks-to: Pierre Jolivet <pierre@joliv.et>
Thanks-to: Jed Brown <jed@jedbrown.org>
Thanks-to: Jose Roman <jroman@dsic.upv.es>
Thanks-to: Stefano Zampini <stefano.zampini@gmail.com>

Pierre, Jed, Jose, and Stefano provided extremely helpful feedback and suggestions during the merge review process.

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Merge branch 'barry/2025-03-20/minor-fortran-cleanup' into 'main'

Minor cleanup of Fortran binding stuff to simplify future maintainance

See merge request petsc/petsc!8218

Minor cleanup of Fortran binding stuff to simplify future maintainance

There is no distinction between F90 and non-F90 code so combine ftn-custom and f90-custom directories and fortranimpl.h and f90

Minor cleanup of Fortran binding stuff to simplify future maintainance

There is no distinction between F90 and non-F90 code so combine ftn-custom and f90-custom directories and fortranimpl.h and f90impl.h files. Also move uses of f90 to ftn when simple

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Merge branch 'barry/2024-04-29/add-fortran-enums' into 'main'

Major updates to Fortran interface

See merge request petsc/petsc!7517