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bpo-47146: Eliminate a Race Between make regen-deepfreeze and make regen-global-objects #32162

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Merged
merged 1 commit into from
Mar 28, 2022
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bpo-47146: Eliminate a Race Between make regen-deepfreeze and make regen-global-objects #32162

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15 changes: 8 additions & 7 deletions Makefile.pre.in
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Original file line number Diff line number Diff line change
Expand Up @@ -1136,7 +1136,10 @@ regen-frozen: Tools/scripts/freeze_modules.py $(FROZEN_FILES_IN)
# Deepfreeze targets

.PHONY: regen-deepfreeze
regen-deepfreeze: $(DEEPFREEZE_OBJS)
regen-deepfreeze:
@# Possibly generate globals first, to make sure _bootstrap_python builds.
$(PYTHON_FOR_REGEN) $(srcdir)/Tools/scripts/generate_global_objects.py
$(MAKE) $(DEEPFREEZE_OBJS)

DEEPFREEZE_DEPS=$(srcdir)/Tools/scripts/deepfreeze.py $(FREEZE_MODULE_DEPS) $(FROZEN_FILES_OUT)

Expand Down Expand Up @@ -1178,12 +1181,10 @@ regen-importlib: regen-frozen
# Global objects

.PHONY: regen-global-objects
regen-global-objects: $(srcdir)/Tools/scripts/generate_global_objects.py
$(PYTHON_FOR_REGEN) $(srcdir)/Tools/scripts/generate_global_objects.py
@# Run one more time after deepfreezing, to catch any globals added
@# there. This is necessary because the deep-frozen code isn't
@# commited to the repo.
$(MAKE) regen-deepfreeze
regen-global-objects: regen-deepfreeze
@# We already ran in once, before deepfreezing, to make sure
@# _bootstrap_python builds. Now we run it again to catch any
@# remaining globals, including those added by deepfreeze.
$(PYTHON_FOR_REGEN) $(srcdir)/Tools/scripts/generate_global_objects.py

############################################################################
Expand Down