On Thu, Feb 4, 2021 at 1:20 PM Jiri Olsa <jolsa@xxxxxxxxxx> wrote: > > We want this clean to be called from tree's root clean > and that one is silent if there's nothing to clean. > > Adding check for all object to clean and display CLEAN > messages only if there are objects to remove. > > Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> > --- > tools/bpf/resolve_btfids/Makefile | 17 ++++++++++++----- > 1 file changed, 12 insertions(+), 5 deletions(-) > > diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile > index b780b3a9fb07..3007cfabf5e6 100644 > --- a/tools/bpf/resolve_btfids/Makefile > +++ b/tools/bpf/resolve_btfids/Makefile > @@ -64,13 +64,20 @@ $(BINARY): $(BPFOBJ) $(SUBCMDOBJ) $(BINARY_IN) > $(call msg,LINK,$@) > $(Q)$(CC) $(BINARY_IN) $(LDFLAGS) -o $@ $(BPFOBJ) $(SUBCMDOBJ) $(LIBS) > > +clean_objects := $(wildcard $(OUTPUT)/*.o \ > + $(OUTPUT)/.*.o.cmd \ > + $(OUTPUT)/.*.o.d \ > + $(OUTPUT)/libbpf \ > + $(OUTPUT)/libsubcmd \ > + $(OUTPUT)/resolve_btfids) > + > +clean: > + > +ifneq ($(clean_objects),) > clean: fixdep-clean this looks a bit weird, declaring clean twice. Wouldn't moving ifneq inside the clean work just fine? > $(call msg,CLEAN,$(BINARY)) > - $(Q)$(RM) -f $(BINARY); \ > - $(RM) -rf $(if $(OUTPUT),$(OUTPUT),.)/feature; \ > - $(RM) -rf $(OUTPUT)libbpf; \ > - $(RM) -rf $(OUTPUT)libsubcmd; \ > - find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) > + $(Q)$(RM) -rf $(clean_objects) > +endif > > tags: > $(call msg,GEN,,tags) > -- > 2.26.2 >