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- # trace-cmd version
- EP_VERSION = 1
- EP_PATCHLEVEL = 1
- EP_EXTRAVERSION = 0
- # file format version
- FILE_VERSION = 6
- MAKEFLAGS += --no-print-directory
- # Makefiles suck: This macro sets a default value of $(2) for the
- # variable named by $(1), unless the variable has been set by
- # environment or command line. This is necessary for CC and AR
- # because make sets default values, so the simpler ?= approach
- # won't work as expected.
- define allow-override
- $(if $(or $(findstring environment,$(origin $(1))),\
- $(findstring command line,$(origin $(1)))),,\
- $(eval $(1) = $(2)))
- endef
- # Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
- $(call allow-override,CC,$(CROSS_COMPILE)gcc)
- $(call allow-override,AR,$(CROSS_COMPILE)ar)
- $(call allow-override,NM,$(CROSS_COMPILE)nm)
- EXT = -std=gnu99
- INSTALL = install
- # Use DESTDIR for installing into a different root directory.
- # This is useful for building a package. The program will be
- # installed in this directory as if it was the root directory.
- # Then the build tool can move it later.
- DESTDIR ?=
- DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
- LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
- ifeq ($(LP64), 1)
- libdir_relative = lib64
- else
- libdir_relative = lib
- endif
- prefix ?= /usr/local
- libdir = $(prefix)/$(libdir_relative)
- man_dir = $(prefix)/share/man
- man_dir_SQ = '$(subst ','\'',$(man_dir))'
- export man_dir man_dir_SQ INSTALL
- export DESTDIR DESTDIR_SQ
- set_plugin_dir := 1
- # Set plugin_dir to preffered global plugin location
- # If we install under $HOME directory we go under
- # $(HOME)/.traceevent/plugins
- #
- # We dont set PLUGIN_DIR in case we install under $HOME
- # directory, because by default the code looks under:
- # $(HOME)/.traceevent/plugins by default.
- #
- ifeq ($(plugin_dir),)
- ifeq ($(prefix),$(HOME))
- override plugin_dir = $(HOME)/.traceevent/plugins
- set_plugin_dir := 0
- else
- override plugin_dir = $(libdir)/traceevent/plugins
- endif
- endif
- ifeq ($(set_plugin_dir),1)
- PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)"
- PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))'
- endif
- include ../../scripts/Makefile.include
- # copy a bit from Linux kbuild
- ifeq ("$(origin V)", "command line")
- VERBOSE = $(V)
- endif
- ifndef VERBOSE
- VERBOSE = 0
- endif
- ifeq ($(srctree),)
- srctree := $(patsubst %/,%,$(dir $(shell pwd)))
- srctree := $(patsubst %/,%,$(dir $(srctree)))
- srctree := $(patsubst %/,%,$(dir $(srctree)))
- #$(info Determined 'srctree' to be $(srctree))
- endif
- export prefix libdir src obj
- # Shell quotes
- libdir_SQ = $(subst ','\'',$(libdir))
- libdir_relative_SQ = $(subst ','\'',$(libdir_relative))
- plugin_dir_SQ = $(subst ','\'',$(plugin_dir))
- LIB_FILE = libtraceevent.a libtraceevent.so
- CONFIG_INCLUDES =
- CONFIG_LIBS =
- CONFIG_FLAGS =
- VERSION = $(EP_VERSION)
- PATCHLEVEL = $(EP_PATCHLEVEL)
- EXTRAVERSION = $(EP_EXTRAVERSION)
- OBJ = $@
- N =
- EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
- INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES)
- # Set compile option CFLAGS
- ifdef EXTRA_CFLAGS
- CFLAGS := $(EXTRA_CFLAGS)
- else
- CFLAGS := -g -Wall
- endif
- # Append required CFLAGS
- override CFLAGS += -fPIC
- override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
- override CFLAGS += $(udis86-flags) -D_GNU_SOURCE
- ifeq ($(VERBOSE),1)
- Q =
- else
- Q = @
- endif
- # Disable command line variables (CFLAGS) overide from top
- # level Makefile (perf), otherwise build Makefile will get
- # the same command line setup.
- MAKEOVERRIDES=
- export srctree OUTPUT CC LD CFLAGS V
- build := -f $(srctree)/tools/build/Makefile.build dir=. obj
- PLUGINS = plugin_jbd2.so
- PLUGINS += plugin_hrtimer.so
- PLUGINS += plugin_kmem.so
- PLUGINS += plugin_kvm.so
- PLUGINS += plugin_mac80211.so
- PLUGINS += plugin_sched_switch.so
- PLUGINS += plugin_function.so
- PLUGINS += plugin_xen.so
- PLUGINS += plugin_scsi.so
- PLUGINS += plugin_cfg80211.so
- PLUGINS := $(addprefix $(OUTPUT),$(PLUGINS))
- PLUGINS_IN := $(PLUGINS:.so=-in.o)
- TE_IN := $(OUTPUT)libtraceevent-in.o
- LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE))
- DYNAMIC_LIST_FILE := $(OUTPUT)libtraceevent-dynamic-list
- CMD_TARGETS = $(LIB_FILE) $(PLUGINS) $(DYNAMIC_LIST_FILE)
- TARGETS = $(CMD_TARGETS)
- all: all_cmd
- all_cmd: $(CMD_TARGETS)
- $(TE_IN): force
- $(Q)$(MAKE) $(build)=libtraceevent
- $(OUTPUT)libtraceevent.so: $(TE_IN)
- $(QUIET_LINK)$(CC) --shared $^ -o $@
- $(OUTPUT)libtraceevent.a: $(TE_IN)
- $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
- $(OUTPUT)libtraceevent-dynamic-list: $(PLUGINS)
- $(QUIET_GEN)$(call do_generate_dynamic_list_file, $(PLUGINS), $@)
- plugins: $(PLUGINS)
- __plugin_obj = $(notdir $@)
- plugin_obj = $(__plugin_obj:-in.o=)
- $(PLUGINS_IN): force
- $(Q)$(MAKE) $(build)=$(plugin_obj)
- $(OUTPUT)%.so: $(OUTPUT)%-in.o
- $(QUIET_LINK)$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $^
- define make_version.h
- (echo '/* This file is automatically generated. Do not modify. */'; \
- echo \#define VERSION_CODE $(shell \
- expr $(VERSION) \* 256 + $(PATCHLEVEL)); \
- echo '#define EXTRAVERSION ' $(EXTRAVERSION); \
- echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \
- echo '#define FILE_VERSION '$(FILE_VERSION); \
- ) > $1
- endef
- define update_version.h
- ($(call make_version.h, $@.tmp); \
- if [ -r $@ ] && cmp -s $@ $@.tmp; then \
- rm -f $@.tmp; \
- else \
- echo ' UPDATE $@'; \
- mv -f $@.tmp $@; \
- fi);
- endef
- ep_version.h: force
- $(Q)$(N)$(call update_version.h)
- VERSION_FILES = ep_version.h
- define update_dir
- (echo $1 > $@.tmp; \
- if [ -r $@ ] && cmp -s $@ $@.tmp; then \
- rm -f $@.tmp; \
- else \
- echo ' UPDATE $@'; \
- mv -f $@.tmp $@; \
- fi);
- endef
- tags: force
- $(RM) tags
- find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \
- --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/'
- TAGS: force
- $(RM) TAGS
- find . -name '*.[ch]' | xargs etags \
- --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/'
- define do_install
- if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
- $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
- fi; \
- $(INSTALL) $1 '$(DESTDIR_SQ)$2'
- endef
- define do_install_plugins
- for plugin in $1; do \
- $(call do_install,$$plugin,$(plugin_dir_SQ)); \
- done
- endef
- define do_generate_dynamic_list_file
- (echo '{'; \
- $(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u; \
- echo '};'; \
- ) > $2
- endef
- install_lib: all_cmd install_plugins
- $(call QUIET_INSTALL, $(LIB_FILE)) \
- $(call do_install,$(LIB_FILE),$(libdir_SQ))
- install_plugins: $(PLUGINS)
- $(call QUIET_INSTALL, trace_plugins) \
- $(call do_install_plugins, $(PLUGINS))
- install: install_lib
- clean:
- $(call QUIET_CLEAN, libtraceevent) \
- $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd \
- $(RM) TRACEEVENT-CFLAGS tags TAGS
- PHONY += force plugins
- force:
- # Declare the contents of the .PHONY variable as phony. We keep that
- # information in a variable so we can use it in if_changed and friends.
- .PHONY: $(PHONY)
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