perf build: Suppress 'rm dlfilter' build message

The following build message: rm dlfilters/dlfilter-test-api-v0.o is unwanted. The object file is being treated as an intermediate file and being automatically removed. Mark the object file as .SECONDARY to prevent removal and hence the message. Requested-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
ambv · Oct 31, 2021 · 0957294 · 0957294
1 parent 180eca5
commit 0957294
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
@@ -787,6 +787,8 @@ $(OUTPUT)dlfilters/%.o: dlfilters/%.c include/perf/perf_dlfilter.h
 	$(Q)$(MKDIR) -p $(OUTPUT)dlfilters
 	$(QUIET_CC)$(CC) -c -Iinclude $(EXTRA_CFLAGS) -o $@ -fpic $<
 
+.SECONDARY: $(DLFILTERS:.so=.o)
+
 $(OUTPUT)dlfilters/%.so: $(OUTPUT)dlfilters/%.o
 	$(QUIET_LINK)$(CC) $(EXTRA_CFLAGS) -shared -o $@ $<