From 97a5af62a318fcd93a4e5e4428d576c0280ddbae Mon Sep 17 00:00:00 2001 From: Nobuyoshi Nakada Date: Thu, 21 Nov 2019 10:57:36 +0900 Subject: Skip updating revision.h when the revision is unchanged note: GNU make only. --- defs/gmake.mk | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'defs') diff --git a/defs/gmake.mk b/defs/gmake.mk index cecc2122af..0a60a83c14 100644 --- a/defs/gmake.mk +++ b/defs/gmake.mk @@ -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 # -- cgit v1.2.3