Remove the "FORCE" dependency from the "tags", "TAGS" and "cscope" targets, instead make them depend on whether or not the relevant source files have changed. For the cscope target we need to change it to depend on the actual generated file while we generate while we're at it, as the next commit will discuss we always generate a cscope.out file. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx> --- Makefile | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/Makefile b/Makefile index 59c2e98795b..d1012cf71d2 100644 --- a/Makefile +++ b/Makefile @@ -2746,20 +2746,24 @@ FIND_SOURCE_FILES = ( \ | sed -e 's|^\./||' \ ) -$(ETAGS_TARGET): FORCE +FOUND_SOURCE_FILES = $(shell $(FIND_SOURCE_FILES)) + +$(ETAGS_TARGET): $(FOUND_SOURCE_FILES) $(QUIET_GEN)$(RM) "$(ETAGS_TARGET)+" && \ - $(FIND_SOURCE_FILES) | xargs etags -a -o "$(ETAGS_TARGET)+" && \ + echo $(FOUND_SOURCE_FILES) | xargs etags -a -o "$(ETAGS_TARGET)+" && \ mv "$(ETAGS_TARGET)+" "$(ETAGS_TARGET)" -tags: FORCE +tags: $(FOUND_SOURCE_FILES) $(QUIET_GEN)$(RM) tags+ && \ - $(FIND_SOURCE_FILES) | xargs ctags -a -o tags+ && \ + echo $(FOUND_SOURCE_FILES) | xargs ctags -a -o tags+ && \ mv tags+ tags -.PHONY: cscope -cscope: +cscope.out: $(FOUND_SOURCE_FILES) $(QUIET_GEN)$(RM) cscope* && \ - $(FIND_SOURCE_FILES) | xargs cscope -b + echo $(FOUND_SOURCE_FILES) | xargs cscope -b + +.PHONY: cscope +cscope: cscope.out ### Detect prefix changes TRACK_PREFIX = $(bindir_SQ):$(gitexecdir_SQ):$(template_dir_SQ):$(prefix_SQ):\ @@ -2943,7 +2947,7 @@ check: config-list.h command-list.h exit 1; \ fi -FOUND_C_SOURCES = $(filter %.c,$(shell $(FIND_SOURCE_FILES))) +FOUND_C_SOURCES = $(filter %.c,$(FOUND_SOURCE_FILES)) COCCI_SOURCES = $(filter-out $(THIRD_PARTY_SOURCES),$(FOUND_C_SOURCES)) %.cocci.patch: %.cocci $(COCCI_SOURCES) -- 2.33.0.rc0.597.gc569a812f0a
