diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 14 |
1 files changed, 9 insertions, 5 deletions
@@ -106,11 +106,15 @@ ui/vnc.o: QEMU_CFLAGS += $(VNC_TLS_CFLAGS) bt-host.o: QEMU_CFLAGS += $(BLUEZ_CFLAGS) -trace.h: $(SRC_PATH)/trace-events config-host.mak - $(call quiet-command,sh $(SRC_PATH)/tracetool --$(TRACE_BACKEND) -h < $< > $@," GEN $@") - -trace.c: $(SRC_PATH)/trace-events config-host.mak - $(call quiet-command,sh $(SRC_PATH)/tracetool --$(TRACE_BACKEND) -c < $< > $@," GEN $@") +trace.h: trace.h-timestamp +trace.h-timestamp: $(SRC_PATH)/trace-events config-host.mak + $(call quiet-command,sh $(SRC_PATH)/tracetool --$(TRACE_BACKEND) -h < $< > $@," GEN trace.h") + @cmp -s $@ trace.h || cp $@ trace.h + +trace.c: trace.c-timestamp +trace.c-timestamp: $(SRC_PATH)/trace-events config-host.mak + $(call quiet-command,sh $(SRC_PATH)/tracetool --$(TRACE_BACKEND) -c < $< > $@," GEN trace.c") + @cmp -s $@ trace.c || cp $@ trace.c trace.o: trace.c $(GENERATED_HEADERS) |