Merge branch 'barry/2023-12-22/rm-libbase' into 'main'

LIBBASE is no longer used in make so remove it

See merge request petsc/petsc!7139

LIBBASE is no longer used in make so remove it

Merge branch 'barry/2023-10-25/rename-rules-doc' into 'main'

Rename rules.doc and rules.utils because GitLab treats the former as a MS Word document.

See merge request petsc/petsc!6965

Rename rules.doc and rules.utils because GitLab treats the former as a MS Word document.

Thanks-to: Jed Brown

Merge branch 'barry/2023-03-17/rm-unneeded-test-from-makefiles' into 'main'

simplify/cleanup makefile system

See merge request petsc/petsc!6201

non-test and tutorial makefiles only need rules.doc not the full rules

Commit-type: documentation

Only makefiles in the test and tutorial directories need lib/petsc/conf/test

Commit-type: housekeeping

Merge branch 'barry/2023-03-14/rm-sourceh-from-makefiles' into 'main'

Remove unneeded SOURCE* from makefiles

See merge request petsc/petsc!6186

Remove now unneeded SOURCE* variables from makefiles

Commit-type: configure, housekeeping

Merge branch 'jolivet/follow-up-6107-6113' into 'main'

Remove unneeded (empty) makefile variables

See merge request petsc/petsc!6132

Remove empty preprocessor variables

Merge branch 'barry/2023-02-22/rm-locdir' into 'main'

Remove need for hardwired LOCDIR in all makefiles

See merge request petsc/petsc!6113

Remove unneeded declarations of LOCDIR from all the makefiles

Commit-type:documentation

Merge branch 'barry/2022-05-03/cleanup-makefiles' into 'main'

remove unneeded stuff from makefiles

See merge request petsc/petsc!5211

remove garbage from makefiles

Including
* unused FLAGS variables
* All: lib that did not work
* stray blank lines etc

Commit-type: housekeeping
/spend 1h

Merge remote-tracking branch 'origin/maint'

Merge remote-tracking branch 'origin/jolivet/fix-symlink-free' into maint

Single petscdir.mk

Merge remote-tracking branch 'origin/more-updates-for-missing-petsc_dir'

More support for not needing to set PETSC_DIR yet build with PETSc, also...

See merge request petsc/petsc!2626

build: add more support for not needing to set PETSC_DIR yet build with PETSc, also support for GNU make to directly use "make test" instead of "make -f gmakefile.test"

Still needs -include ../petsc

build: add more support for not needing to set PETSC_DIR yet build with PETSc, also support for GNU make to directly use "make test" instead of "make -f gmakefile.test"

Still needs -include ../petscdir.mk in many of the makefiles
Still needs the link for ../petscdir.mk in many directories

GNUMakefile: call legacy makefile recursively instead of including it

GNUMakefile: promote default "all" target; "libs" builds libpetsc*

GNUMakefile: If gnumake < 4.2 prefer makefile wrapper interface over direct gmakefile interface to avoid the following warnings

gmakefile.test:92: arch-ci-linux-cxx-cmplx-pkgs-64idx/tests/testfiles: No such file or directory
gmakefile:67: arch-ci-linux-cxx-cmplx-pkgs-64idx/lib/petsc/conf/files: No such file or directory

Commit-type: testing-fix, feature, usability
Thanks-to: Jed Brown jed@jedbrown.org

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Merge branch 'master' into stefano_zampini/feature-pcbddc-saddlepoint

Conflicts:
src/ksp/pc/impls/bddc/bddc.c
src/ksp/pc/impls/bddc/bddcgraph.c
src/ksp/pc/impls/bddc/bddcprivate.c
src/ksp/pc/imp

Merge branch 'master' into stefano_zampini/feature-pcbddc-saddlepoint

Conflicts:
src/ksp/pc/impls/bddc/bddc.c
src/ksp/pc/impls/bddc/bddcgraph.c
src/ksp/pc/impls/bddc/bddcprivate.c
src/ksp/pc/impls/bddc/bddcscalingbasic.c
src/ksp/pc/impls/bddc/bddcschurs.c
src/mat/impls/is/matis.c

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

Merge branch 'tisaac/dmforest' of bitbucket.org:petsc/petsc into tisaac/dmforest

Merge branch 'master' into tisaac/dmforest

* master: (136 commits)
Make error message specific to exactly what matrix is supported
Prevent fblaslapack or f2cblaslapack from being compiled with t

Merge branch 'master' into tisaac/dmforest

* master: (136 commits)
Make error message specific to exactly what matrix is supported
Prevent fblaslapack or f2cblaslapack from being compiled with the -no-prec-dev Intel compiler option since it can produce incorrect results
Fix for PCReset_HYPRE to make it reentrant.
replace default superlu_dist '-mat_superlu_dist_colperm METIS_AT_PLUS_A' with MMD_ATA to avoid different random numbers for nightly tests
fixes for merge from maint patch
Added PCReset_HYPRE() so it may be used with SNESVI solvers
remove Microsoft compiler message for paste macros used for handling Blas/Lapack macro name mangling for example
Increase the number of PetscViewerPushFormat() possible to 25 and use a macro PETSCVIEWERFORMATPUSHESMAX for the value
Configure: Remove redundant logging
Bib: Added ref
nightlybuids: fix permissions of script
MatRegisterDestroy() does not exist but it is listed in manual pages
externalpackages-git: save local changes if any - in git stash - before 'git checkout -f' Useful incase --with-package-commit=HEAD option was msissing [perhaps due to a typo]
nightlybuilds: add xsdk builds
Add architectures for testing xsdk package downloads (Trilinos, Hypre, SuperLU)
create another version of TurnForward() for adaptive time stepping specifically
Configure: Give proper default if HOME is missing from the environment
fix abbreviation
allow zeropivot for MatSOR_SeqAIJ_Inode, node size=1
add test case using adpative time stepping for checkpointing type 'NONE'
...

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Merge branch 'master' into barry/add-pcreset-hypre-for-master

Needed to move PCDestroy_HYPRE() added to master to PCReset_HYPRE() since that was introduced
as a bug fix for maint