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Makefile: copy contrib/coccinelle/*.cocci to build/ 

Change the "coccinelle" rule so that we first copy the *.cocci source
in e.g. "contrib/coccinelle/strbuf.cocci" to
".build/contrib/coccinelle/strbuf.cocci" before operating on it.

For now this serves as a rather pointless indirection, but prepares us
for the subsequent commit where we'll be able to inject generated
*.cocci files. Having the entire dependency tree live inside .build/*
simplifies both the globbing we'd need to do, and any "clean" rules.

It will also help for future targets which will want to act on the
generated patches or the logs, e.g. targets to alert if we can't parse
certain files (or, less so than usual) with "spatch", and e.g. a
replacement for "ci/run-static-analysis.sh". Such a replacement won't
care about placing the patches in the in-tree, only whether they're
"OK" (and about the diff).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2022-11-01 23:35:52 +01:00 committed by Taylor Blau
parent 316e3886e3
commit 202086b85c
2 changed files with 22 additions and 6 deletions
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27
Makefile
View File

@ -3159,8 +3159,11 @@ check: $(GENERATED_H)
fi
COCCI_GLOB = $(wildcard contrib/coccinelle/*.cocci)
COCCI_RULES = $(COCCI_GLOB)
COCCI_NAMES = $(COCCI_RULES:contrib/coccinelle/%.cocci=%)
COCCI_RULES_TRACKED = $(COCCI_GLOB:%=.build/%)
COCCI_RULES =
COCCI_RULES += $(COCCI_RULES_TRACKED)
COCCI_NAMES =
COCCI_NAMES += $(COCCI_RULES:.build/contrib/coccinelle/%.cocci=%)
COCCICHECK_PENDING = $(filter %.pending.cocci,$(COCCI_RULES))
COCCICHECK = $(filter-out $(COCCICHECK_PENDING),$(COCCI_RULES))
@ -3168,6 +3171,9 @@ COCCICHECK = $(filter-out $(COCCICHECK_PENDING),$(COCCI_RULES))
COCCICHECK_PATCHES = $(COCCICHECK:%=%.patch)
COCCICHECK_PATCHES_PENDING = $(COCCICHECK_PENDING:%=%.patch)
COCCICHECK_PATCHES_INTREE = $(COCCICHECK_PATCHES:.build/%=%)
COCCICHECK_PATCHES_PENDING_INTREE = $(COCCICHECK_PATCHES_PENDING:.build/%=%)
# It's expensive to compute the many=many rules below, only eval them
# on $(MAKECMDGOALS) that match these $(COCCI_RULES)
COCCI_RULES_GLOB =
@ -3175,10 +3181,16 @@ COCCI_RULES_GLOB += cocci%
COCCI_RULES_GLOB += .build/contrib/coccinelle/%
COCCI_RULES_GLOB += $(COCCICHECK_PATCHES)
COCCI_RULES_GLOB += $(COCCICHEC_PATCHES_PENDING)
COCCI_RULES_GLOB += $(COCCICHECK_PATCHES_INTREE)
COCCI_RULES_GLOB += $(COCCICHECK_PATCHES_PENDING_INTREE)
COCCI_GOALS = $(filter $(COCCI_RULES_GLOB),$(MAKECMDGOALS))
COCCI_TEST_RES = $(wildcard contrib/coccinelle/tests/*.res)
$(COCCI_RULES_TRACKED): .build/% : %
$(call mkdir_p_parent_template)
$(QUIET_CP)cp $< $@
.build/contrib/coccinelle/FOUND_H_SOURCES: $(FOUND_H_SOURCES)
$(call mkdir_p_parent_template)
$(QUIET_GEN) >$@
@ -3192,7 +3204,7 @@ define cocci-rule
# $(1) = e.g. "free.cocci"
# $(2) = e.g. "grep.c"
# $(3) = e.g. "grep.o"
COCCI_$(1:contrib/coccinelle/%.cocci=%) += .build/$(1).patch/$(2)
COCCI_$(1:.build/contrib/coccinelle/%.cocci=%) += .build/$(1).patch/$(2)
.build/$(1).patch/$(2): GIT-SPATCH-DEFINES
.build/$(1).patch/$(2): $(if $(and $(SPATCH_USE_O_DEPENDENCIES),$(wildcard $(3))),$(3),.build/contrib/coccinelle/FOUND_H_SOURCES)
.build/$(1).patch/$(2): $(1)
@ -3220,12 +3232,15 @@ endif
define spatch-rule
contrib/coccinelle/$(1).cocci.patch: $$(COCCI_$(1))
.build/contrib/coccinelle/$(1).cocci.patch: $$(COCCI_$(1))
$$(QUIET_SPATCH_CAT)cat $$^ >$$@ && \
if test -s $$@; \
then \
echo ' ' SPATCH result: $$@; \
fi
contrib/coccinelle/$(1).cocci.patch: .build/contrib/coccinelle/$(1).cocci.patch
$$(QUIET_CP)cp $$< $$@
endef
ifdef COCCI_GOALS
@ -3249,11 +3264,11 @@ $(COCCI_TEST_RES_GEN): .build/contrib/coccinelle/tests/%.res : contrib/coccinell
coccicheck-test: $(COCCI_TEST_RES_GEN)
coccicheck: coccicheck-test
coccicheck: $(COCCICHECK_PATCHES)
coccicheck: $(COCCICHECK_PATCHES_INTREE)
# See contrib/coccinelle/README
coccicheck-pending: coccicheck-test
coccicheck-pending: $(COCCICHECK_PATCHES_PENDING)
coccicheck-pending: $(COCCICHECK_PATCHES_PENDING_INTREE)
.PHONY: coccicheck coccicheck-pending

1
shared.mak
View File

@ -60,6 +60,7 @@ ifndef V
QUIET_AR = @echo ' ' AR $@;
QUIET_LINK = @echo ' ' LINK $@;
QUIET_BUILT_IN = @echo ' ' BUILTIN $@;
QUIET_CP = @echo ' ' CP $< $@;
QUIET_LNCP = @echo ' ' LN/CP $@;
QUIET_XGETTEXT = @echo ' ' XGETTEXT $@;
QUIET_MSGINIT = @echo ' ' MSGINIT $@;