From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33083) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aH6e3-0002i3-A6 for qemu-devel@nongnu.org; Thu, 07 Jan 2016 04:14:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aH6dy-0002NZ-3j for qemu-devel@nongnu.org; Thu, 07 Jan 2016 04:14:11 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55573) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aH6dx-0002NV-Mr for qemu-devel@nongnu.org; Thu, 07 Jan 2016 04:14:06 -0500 From: Stefan Hajnoczi Date: Thu, 7 Jan 2016 17:13:29 +0800 Message-Id: <1452158009-17140-5-git-send-email-stefanha@redhat.com> In-Reply-To: <1452158009-17140-1-git-send-email-stefanha@redhat.com> References: <1452158009-17140-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PULL 4/4] trace: add make dependencies on tracetool source List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Stefan Hajnoczi Patches that change tracetool can break the build if old build output files are lying around. This happens because the Makefile does not specify dependencies on tracetool. The build will use old object files that do not match the current source code. Signed-off-by: Stefan Hajnoczi --- trace/Makefile.objs | 30 +++++++++++++++++++----------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/trace/Makefile.objs b/trace/Makefile.objs index 73bec38..5145b34 100644 --- a/trace/Makefile.objs +++ b/trace/Makefile.objs @@ -1,12 +1,20 @@ # -*- mode: makefile -*- ###################################################################### +# tracetool source files +# Every rule that invokes tracetool must depend on this so code is regenerated +# if tracetool itself changes. + +tracetool-y = $(SRC_PATH)/scripts/tracetool.py +tracetool-y += $(shell find $(SRC_PATH)/scripts/tracetool -name "*.py") + +###################################################################### # Auto-generated event descriptions for LTTng ust code ifeq ($(findstring ust,$(TRACE_BACKENDS)),ust) $(obj)/generated-ust-provider.h: $(obj)/generated-ust-provider.h-timestamp @cmp $< $@ >/dev/null 2>&1 || cp $< $@ -$(obj)/generated-ust-provider.h-timestamp: $(SRC_PATH)/trace-events +$(obj)/generated-ust-provider.h-timestamp: $(SRC_PATH)/trace-events $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=ust-events-h \ --backends=$(TRACE_BACKENDS) \ @@ -14,7 +22,7 @@ $(obj)/generated-ust-provider.h-timestamp: $(SRC_PATH)/trace-events $(obj)/generated-ust.c: $(obj)/generated-ust.c-timestamp $(BUILD_DIR)/config-host.mak @cmp $< $@ >/dev/null 2>&1 || cp $< $@ -$(obj)/generated-ust.c-timestamp: $(SRC_PATH)/trace-events +$(obj)/generated-ust.c-timestamp: $(SRC_PATH)/trace-events $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=ust-events-c \ --backends=$(TRACE_BACKENDS) \ @@ -29,7 +37,7 @@ endif $(obj)/generated-events.h: $(obj)/generated-events.h-timestamp @cmp $< $@ >/dev/null 2>&1 || cp $< $@ -$(obj)/generated-events.h-timestamp: $(SRC_PATH)/trace-events +$(obj)/generated-events.h-timestamp: $(SRC_PATH)/trace-events $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=events-h \ --backends=$(TRACE_BACKENDS) \ @@ -37,7 +45,7 @@ $(obj)/generated-events.h-timestamp: $(SRC_PATH)/trace-events $(obj)/generated-events.c: $(obj)/generated-events.c-timestamp $(BUILD_DIR)/config-host.mak @cmp $< $@ >/dev/null 2>&1 || cp $< $@ -$(obj)/generated-events.c-timestamp: $(SRC_PATH)/trace-events +$(obj)/generated-events.c-timestamp: $(SRC_PATH)/trace-events $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=events-c \ --backends=$(TRACE_BACKENDS) \ @@ -54,7 +62,7 @@ util-obj-y += generated-events.o $(obj)/generated-tracers.h: $(obj)/generated-tracers.h-timestamp @cmp -s $< $@ || cp $< $@ -$(obj)/generated-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak +$(obj)/generated-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=h \ --backends=$(TRACE_BACKENDS) \ @@ -65,7 +73,7 @@ $(obj)/generated-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/conf $(obj)/generated-tracers.c: $(obj)/generated-tracers.c-timestamp @cmp -s $< $@ || cp $< $@ -$(obj)/generated-tracers.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak +$(obj)/generated-tracers.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=c \ --backends=$(TRACE_BACKENDS) \ @@ -82,7 +90,7 @@ $(obj)/generated-tracers.o: $(obj)/generated-tracers.c $(obj)/generated-tracers. ifeq ($(findstring dtrace,$(TRACE_BACKENDS)),dtrace) $(obj)/generated-tracers-dtrace.dtrace: $(obj)/generated-tracers-dtrace.dtrace-timestamp @cmp $< $@ >/dev/null 2>&1 || cp $< $@ -$(obj)/generated-tracers-dtrace.dtrace-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak +$(obj)/generated-tracers-dtrace.dtrace-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=d \ --backends=$(TRACE_BACKENDS) \ @@ -101,7 +109,7 @@ endif $(obj)/generated-helpers-wrappers.h: $(obj)/generated-helpers-wrappers.h-timestamp @cmp $< $@ >/dev/null 2>&1 || cp $< $@ -$(obj)/generated-helpers-wrappers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak +$(obj)/generated-helpers-wrappers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=tcg-helper-wrapper-h \ --backend=$(TRACE_BACKENDS) \ @@ -109,7 +117,7 @@ $(obj)/generated-helpers-wrappers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_ $(obj)/generated-helpers.h: $(obj)/generated-helpers.h-timestamp @cmp $< $@ >/dev/null 2>&1 || cp $< $@ -$(obj)/generated-helpers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak +$(obj)/generated-helpers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=tcg-helper-h \ --backend=$(TRACE_BACKENDS) \ @@ -117,7 +125,7 @@ $(obj)/generated-helpers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/conf $(obj)/generated-helpers.c: $(obj)/generated-helpers.c-timestamp @cmp $< $@ >/dev/null 2>&1 || cp $< $@ -$(obj)/generated-helpers.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak +$(obj)/generated-helpers.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=tcg-helper-c \ --backend=$(TRACE_BACKENDS) \ @@ -130,7 +138,7 @@ target-obj-y += generated-helpers.o $(obj)/generated-tcg-tracers.h: $(obj)/generated-tcg-tracers.h-timestamp @cmp $< $@ >/dev/null 2>&1 || cp $< $@ -$(obj)/generated-tcg-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak +$(obj)/generated-tcg-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y) $(call quiet-command,$(TRACETOOL) \ --format=tcg-h \ --backend=$(TRACE_BACKENDS) \ -- 2.5.0