341 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			341 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
| # trace-cmd version
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| EP_VERSION = 1
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| EP_PATCHLEVEL = 1
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| EP_EXTRAVERSION = 0
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| 
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| # file format version
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| FILE_VERSION = 6
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| 
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| MAKEFLAGS += --no-print-directory
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| 
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| 
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| # Makefiles suck: This macro sets a default value of $(2) for the
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| # variable named by $(1), unless the variable has been set by
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| # environment or command line. This is necessary for CC and AR
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| # because make sets default values, so the simpler ?= approach
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| # won't work as expected.
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| define allow-override
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|   $(if $(or $(findstring environment,$(origin $(1))),\
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|             $(findstring command line,$(origin $(1)))),,\
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|     $(eval $(1) = $(2)))
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| endef
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| 
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| # Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
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| $(call allow-override,CC,$(CROSS_COMPILE)gcc)
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| $(call allow-override,AR,$(CROSS_COMPILE)ar)
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| 
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| EXT = -std=gnu99
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| INSTALL = install
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| 
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| # Use DESTDIR for installing into a different root directory.
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| # This is useful for building a package. The program will be
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| # installed in this directory as if it was the root directory.
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| # Then the build tool can move it later.
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| DESTDIR ?=
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| DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
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| 
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| prefix ?= /usr/local
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| bindir_relative = bin
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| bindir = $(prefix)/$(bindir_relative)
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| man_dir = $(prefix)/share/man
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| man_dir_SQ = '$(subst ','\'',$(man_dir))'
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| 
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| export man_dir man_dir_SQ INSTALL
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| export DESTDIR DESTDIR_SQ
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| 
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| set_plugin_dir := 1
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| 
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| # Set plugin_dir to preffered global plugin location
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| # If we install under $HOME directory we go under
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| # $(HOME)/.traceevent/plugins
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| #
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| # We dont set PLUGIN_DIR in case we install under $HOME
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| # directory, because by default the code looks under:
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| # $(HOME)/.traceevent/plugins by default.
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| #
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| ifeq ($(plugin_dir),)
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| ifeq ($(prefix),$(HOME))
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| override plugin_dir = $(HOME)/.traceevent/plugins
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| set_plugin_dir := 0
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| else
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| override plugin_dir = $(prefix)/lib/traceevent/plugins
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| endif
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| endif
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| 
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| ifeq ($(set_plugin_dir),1)
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| PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)"
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| PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))'
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| endif
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| 
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| include $(if $(BUILD_SRC),$(BUILD_SRC)/)../../scripts/Makefile.include
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| 
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| # copy a bit from Linux kbuild
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| 
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| ifeq ("$(origin V)", "command line")
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|   VERBOSE = $(V)
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| endif
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| ifndef VERBOSE
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|   VERBOSE = 0
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| endif
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| 
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| ifeq ("$(origin O)", "command line")
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|   BUILD_OUTPUT := $(O)
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| endif
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| 
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| ifeq ($(BUILD_SRC),)
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| ifneq ($(OUTPUT),)
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| 
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| define build_output
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|   $(if $(VERBOSE:1=),@)+$(MAKE) -C $(OUTPUT) \
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|   BUILD_SRC=$(CURDIR)/ -f $(CURDIR)/Makefile $1
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| endef
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| 
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| all: sub-make
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| 
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| $(MAKECMDGOALS): sub-make
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| 
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| sub-make: force
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| 	$(call build_output, $(MAKECMDGOALS))
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| 
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| 
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| # Leave processing to above invocation of make
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| skip-makefile := 1
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| 
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| endif # OUTPUT
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| endif # BUILD_SRC
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| 
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| # We process the rest of the Makefile if this is the final invocation of make
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| ifeq ($(skip-makefile),)
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| 
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| srctree		:= $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
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| objtree		:= $(CURDIR)
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| src		:= $(srctree)
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| obj		:= $(objtree)
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| 
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| export prefix bindir src obj
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| 
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| # Shell quotes
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| bindir_SQ = $(subst ','\'',$(bindir))
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| bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
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| plugin_dir_SQ = $(subst ','\'',$(plugin_dir))
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| 
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| LIB_FILE = libtraceevent.a libtraceevent.so
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| 
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| CONFIG_INCLUDES = 
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| CONFIG_LIBS	=
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| CONFIG_FLAGS	=
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| 
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| VERSION		= $(EP_VERSION)
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| PATCHLEVEL	= $(EP_PATCHLEVEL)
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| EXTRAVERSION	= $(EP_EXTRAVERSION)
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| 
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| OBJ		= $@
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| N		=
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| 
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| export Q VERBOSE
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| 
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| EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
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| 
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| INCLUDES = -I. -I $(srctree)/../../include $(CONFIG_INCLUDES)
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| 
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| # Set compile option CFLAGS if not set elsewhere
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| CFLAGS ?= -g -Wall
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| 
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| # Append required CFLAGS
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| override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
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| override CFLAGS += $(udis86-flags) -D_GNU_SOURCE
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| 
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| ifeq ($(VERBOSE),1)
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|   Q =
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| else
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|   Q = @
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| endif
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| 
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| do_compile_shared_library =			\
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| 	($(print_shared_lib_compile)		\
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| 	$(CC) --shared $^ -o $@)
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| 
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| do_plugin_build =				\
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| 	($(print_plugin_build)			\
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| 	$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<)
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| 
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| do_build_static_lib =				\
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| 	($(print_static_lib_build)		\
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| 	$(RM) $@;  $(AR) rcs $@ $^)
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| 
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| 
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| do_compile = $(QUIET_CC)$(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@;
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| 
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| $(obj)/%.o: $(src)/%.c
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| 	$(call do_compile)
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| 
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| %.o: $(src)/%.c
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| 	$(call do_compile)
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| 
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| PEVENT_LIB_OBJS  = event-parse.o
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| PEVENT_LIB_OBJS += event-plugin.o
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| PEVENT_LIB_OBJS += trace-seq.o
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| PEVENT_LIB_OBJS += parse-filter.o
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| PEVENT_LIB_OBJS += parse-utils.o
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| PEVENT_LIB_OBJS += kbuffer-parse.o
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| 
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| PLUGIN_OBJS  = plugin_jbd2.o
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| PLUGIN_OBJS += plugin_hrtimer.o
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| PLUGIN_OBJS += plugin_kmem.o
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| PLUGIN_OBJS += plugin_kvm.o
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| PLUGIN_OBJS += plugin_mac80211.o
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| PLUGIN_OBJS += plugin_sched_switch.o
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| PLUGIN_OBJS += plugin_function.o
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| PLUGIN_OBJS += plugin_xen.o
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| PLUGIN_OBJS += plugin_scsi.o
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| PLUGIN_OBJS += plugin_cfg80211.o
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| 
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| PLUGINS := $(PLUGIN_OBJS:.o=.so)
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| 
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| ALL_OBJS = $(PEVENT_LIB_OBJS) $(PLUGIN_OBJS)
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| 
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| CMD_TARGETS = $(LIB_FILE) $(PLUGINS)
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| 
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| TARGETS = $(CMD_TARGETS)
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| 
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| 
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| all: all_cmd
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| 
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| all_cmd: $(CMD_TARGETS)
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| 
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| libtraceevent.so: $(PEVENT_LIB_OBJS)
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| 	$(QUIET_LINK)$(CC) --shared $^ -o $@
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| 
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| libtraceevent.a: $(PEVENT_LIB_OBJS)
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| 	$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
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| 
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| plugins: $(PLUGINS)
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| 
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| $(PEVENT_LIB_OBJS): %.o: $(src)/%.c TRACEEVENT-CFLAGS
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| 	$(QUIET_CC_FPIC)$(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@
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| 
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| $(PLUGIN_OBJS): %.o : $(src)/%.c
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| 	$(QUIET_CC_FPIC)$(CC) -c $(CFLAGS) -fPIC -o $@ $<
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| 
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| $(PLUGINS): %.so: %.o
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| 	$(QUIET_LINK)$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<
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| 
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| define make_version.h
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|   (echo '/* This file is automatically generated. Do not modify. */';		\
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|    echo \#define VERSION_CODE $(shell						\
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|    expr $(VERSION) \* 256 + $(PATCHLEVEL));					\
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|    echo '#define EXTRAVERSION ' $(EXTRAVERSION);				\
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|    echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"';	\
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|    echo '#define FILE_VERSION '$(FILE_VERSION);					\
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|   ) > $1
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| endef
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| 
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| define update_version.h
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|   ($(call make_version.h, $@.tmp);		\
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|     if [ -r $@ ] && cmp -s $@ $@.tmp; then	\
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|       rm -f $@.tmp;				\
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|     else					\
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|       echo '  UPDATE                 $@';	\
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|       mv -f $@.tmp $@;				\
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|     fi);
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| endef
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| 
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| ep_version.h: force
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| 	$(Q)$(N)$(call update_version.h)
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| 
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| VERSION_FILES = ep_version.h
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| 
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| define update_dir
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|   (echo $1 > $@.tmp;				\
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|    if [ -r $@ ] && cmp -s $@ $@.tmp; then	\
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|      rm -f $@.tmp;				\
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|    else						\
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|      echo '  UPDATE                 $@';	\
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|      mv -f $@.tmp $@;				\
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|    fi);
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| endef
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| 
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| ## make deps
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| 
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| all_objs := $(sort $(ALL_OBJS))
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| all_deps := $(all_objs:%.o=.%.d)
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| 
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| # let .d file also depends on the source and header files
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| define check_deps
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|   @set -e; $(RM) $@; \
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|   $(CC) -MM $(CFLAGS) $< > $@.$$$$; \
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|   sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
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|   $(RM) $@.$$$$
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| endef
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| 
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| $(all_deps): .%.d: $(src)/%.c
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| 	$(Q)$(call check_deps)
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| 
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| $(all_objs) : %.o : .%.d
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| 
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| dep_includes := $(wildcard $(all_deps))
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| 
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| ifneq ($(dep_includes),)
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|  include $(dep_includes)
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| endif
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| 
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| ### Detect environment changes
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| TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):$(ARCH):$(CROSS_COMPILE)
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| 
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| TRACEEVENT-CFLAGS: force
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| 	@FLAGS='$(TRACK_CFLAGS)'; \
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| 	    if test x"$$FLAGS" != x"`cat TRACEEVENT-CFLAGS 2>/dev/null`" ; then \
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| 		echo 1>&2 "  FLAGS:   * new build flags or cross compiler"; \
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| 		echo "$$FLAGS" >TRACEEVENT-CFLAGS; \
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|             fi
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| 
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| tags:	force
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| 	$(RM) tags
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| 	find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \
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| 	--regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/'
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| 
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| TAGS:	force
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| 	$(RM) TAGS
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| 	find . -name '*.[ch]' | xargs etags \
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| 	--regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/'
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| 
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| define do_install
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| 	if [ ! -d '$(DESTDIR_SQ)$2' ]; then		\
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| 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2';	\
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| 	fi;						\
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| 	$(INSTALL) $1 '$(DESTDIR_SQ)$2'
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| endef
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| 
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| define do_install_plugins
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| 	for plugin in $1; do				\
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| 	  $(call do_install,$$plugin,$(plugin_dir_SQ));	\
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| 	done
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| endef
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| 
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| install_lib: all_cmd install_plugins
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| 	$(call QUIET_INSTALL, $(LIB_FILE)) \
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| 		$(call do_install,$(LIB_FILE),$(bindir_SQ))
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| 
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| install_plugins: $(PLUGINS)
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| 	$(call QUIET_INSTALL, trace_plugins) \
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| 		$(call do_install_plugins, $(PLUGINS))
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| 
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| install: install_lib
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| 
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| clean:
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| 	$(call QUIET_CLEAN, libtraceevent) \
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| 		$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d \
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| 		$(RM) TRACEEVENT-CFLAGS tags TAGS
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| 
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| endif # skip-makefile
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| 
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| PHONY += force plugins
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| force:
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| 
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| plugins:
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| 	@echo > /dev/null
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| 
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| # Declare the contents of the .PHONY variable as phony.  We keep that
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| # information in a variable so we can use it in if_changed and friends.
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| .PHONY: $(PHONY)
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