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Skip updating revision.h when the revision is unchanged

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note: GNU make only.
This commit is contained in:
Nobuyoshi Nakada 2019-11-21 10:57:36 +09:00
parent a9d4f2d03c
commit 97a5af62a3
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4
defs/gmake.mk
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@ -291,9 +291,13 @@ $(UNICODE_SRC_DATA_DIR)/.unicode-tables.time: \
$(UNICODE_FILES) $(UNICODE_PROPERTY_FILES)
endif
REVISION_IN_HEADER := $(shell sed -n 's/^\#define RUBY_FULL_REVISION "\(.*\)"/\1/p' $(srcdir)/revision.h)
REVISION_LATEST := $(shell git -C $(srcdir) log -1 --format=%H)
ifneq ($(REVISION_IN_HEADER),$(REVISION_LATEST))
# GNU make treat the target as unmodified when its dependents get
# updated but it is not updated, while others may not.
$(srcdir)/revision.h: $(REVISION_H)
endif
# Query on the generated rdoc
#