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tools/resolve_btfids: Check objects before removing

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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@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210205124020.683286-3-jolsa@kernel.org
This commit is contained in:
Jiri Olsa 2021-02-05 13:40:18 +01:00 • committed by Andrii Nakryiko
parent fc6b48f692
commit f23130979c
1 changed files with 12 additions and 5 deletions
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17
tools/bpf/resolve_btfids/Makefile
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@ -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 \
$(OUTPUT)/resolve_btfids)
ifneq ($(clean_objects),)
clean: fixdep-clean
$(call msg,CLEAN,$(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)
else
clean:
endif
tags:
$(call msg,GEN,,tags)