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trace: add make dependencies on tracetool source

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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 <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2015-10-28 14:38:41 +00:00
parent 9967e4fec0
commit cef517ca4b
1 changed files with 19 additions and 11 deletions
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30
trace/Makefile.objs
View file

@ -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) \