PCKSP: fix PCApplyTranspose()

CI: switch valgrind job to use mpich with ch4:ucx

Fix wrong case for PETSc

Merge branch 'jczhang/2025-03-19/update-frontier-script' into 'main'

Update arch-olcf-frontier-opt.py

See merge request petsc/petsc!8212

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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CI: test PETSC_HAVE_FORTRAN_UNDERSCORE via arch-ci-macos-opt-arm
CI: test PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE via clang-uni

Fortran 90: fully embrace After 34 years!

- deprecate use of 'F90' in Fortran function names
- use Fortran pointers when appropriate
- the new Fortran API is not backward compatible with previous ve

Fortran 90: fully embrace After 34 years!

- deprecate use of 'F90' in Fortran function names
- use Fortran pointers when appropriate
- the new Fortran API is not backward compatible with previous versions!
- also clean up inconsistent PETSc code detected by new Fortran generation tools
- drop use of bfort
- automatically generate all the Fortran PETSc objects, enums etc from the include files
- generate most of the Fortran interface definitions and functions from the source code
- simplify the number and organization of Fortran modules

Co-authored-by: Jose E. Roman <jroman@dsic.upv.es>

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CI: remove linux-pgi, linux-nagfor, and add linux-flang-arm (without -Werror)
CI: use --with-fortran-bindings=0 linux-cuda-single-cxx as nfortran does not support F2008

Update arch-olcf-frontier-opt.py

configure: CHOLMOD requires OpenMP for CUDA builds

add --with-suitesparse-cuda: default to auto-enable/disable (wrt --with-cuda --with-openmp dependencies) unless user explicitly specifies this opti

configure: CHOLMOD requires OpenMP for CUDA builds

add --with-suitesparse-cuda: default to auto-enable/disable (wrt --with-cuda --with-openmp dependencies) unless user explicitly specifies this option

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Merge remote-tracking branch 'origin/release'

CI: migrate macos-cxx-cmplx-pkgs-dbg to ARM

Merge remote-tracking branch 'origin/release'

CI: migrate osx-xsdk-opt to arm

- remove --download-xsdk - its been removed long ago (and rename corresponding xsdk jobs)

- rename osx jobs to macos

- update MPI location to its real path.
(curre

CI: migrate osx-xsdk-opt to arm

- remove --download-xsdk - its been removed long ago (and rename corresponding xsdk jobs)

- rename osx jobs to macos

- update MPI location to its real path.
(currently listed path is a link to the real path - it helped with CI migration of those jobs
to newer xcode - while keeping other branch jobs working during/after the migration)

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Merge remote-tracking branch 'origin/release'

CI: use gnumake 4.4+ '--shuffle' option with test suite

Hoping this reduces clustering of '-n 16', or long running jobs (at the end), resulting in overall shorter "job" runtime.

Merge remote-tracking branch 'origin/release'

CI: update to valgrind clean MPICH

Merge remote-tracking branch 'origin/release'

configure: update MPICH/SLEPc/HPDDM for release

configure: add -with-library-name-suffix=<suffix> option

hdf5: add --with-hdf5-cxx-bindings option to build/use hdf5 cxx libraries

Merge branch 'release'

Update arch-alcf-polaris.py

Pastix: Update to the new interface 6 and last release version 6.4.0