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[3.12] gh-108740: Fix "make regen-all" race condition (#108741) (#109019)

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gh-108740: Fix "make regen-all" race condition (#108741)

Fix a race condition in "make regen-all". The deepfreeze.c source and
files generated by Argument Clinic are now generated or updated
before generating "global objects". Previously, some identifiers may
miss depending on the order in which these files were generated.

* "make regen-global-objects": Make sure that deepfreeze.c is
  generated and up to date, and always run "make clinic".
* "make clinic" no longer runs generate_global_objects.py script.
* "make regen-deepfreeze" now only updates deepfreeze.c (C file).
  It doesn't build deepfreeze.o (object) anymore.
* Remove misleading messages in "make regen-global-objects" and
  "make clinic". They are now outdated, these commands are now
  safe to use.
* Document generates files in Doc/using/configure.rst.

Co-authored-by: Erlend E. Aasland <erlend@python.org>
(cherry picked from commit db1ee6a19a)
This commit is contained in:
Victor Stinner 2023-09-08 15:19:20 +02:00 • committed by GitHub
parent 55d7e8fef1
commit de0202e937
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4 changed files with 38 additions and 10 deletions
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2
Tools/build/freeze_modules.py
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@ -585,7 +585,7 @@ def regen_makefile(modules):
pyfiles = []
frozenfiles = []
rules = ['']
deepfreezerules = ["Python/deepfreeze/deepfreeze.c: $(DEEPFREEZE_DEPS)",
deepfreezerules = ["$(DEEPFREEZE_C): $(DEEPFREEZE_DEPS)",
"\t$(PYTHON_FOR_FREEZE) $(srcdir)/Tools/build/deepfreeze.py \\"]
for src in _iter_sources(modules):
frozen_header = relpath_for_posix_display(src.frozenfile, ROOT_DIR)