# trace-cmd versionEP_VERSION = 1EP_PATCHLEVEL = 1EP_EXTRAVERSION = 0 # file format versionFILE_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,$(CROSS_COMPILE)ar) EXT = -std=gnu99INSTALL = install # Use DESTDIR for installing into a different root directory.# This is useful for building a package. The program will be# installed in this directory as if it was the root directory.# Then the build tool can move it later.DESTDIR ?=DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' prefix ?= /usr/localbindir_relative = binbindir = $(prefix)/$(bindir_relative)man_dir = $(prefix)/share/manman_dir_SQ = '$(subst ','\'',$(man_dir))' export man_dir man_dir_SQ INSTALLexport DESTDIR DESTDIR_SQ # copy a bit from Linux kbuild ifeq ("$(origin V)", "command line") VERBOSE = $(V)endififndef VERBOSE VERBOSE = 0endif ifeq ("$(origin O)", "command line") BUILD_OUTPUT := $(O)endif ifeq ($(BUILD_SRC),)ifneq ($(BUILD_OUTPUT),) define build_output $(if $(VERBOSE:1=),@)+$(MAKE) -C $(BUILD_OUTPUT) \ BUILD_SRC=$(CURDIR) -f $(CURDIR)/Makefile $1endef saved-output := $(BUILD_OUTPUT)BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd)$(if $(BUILD_OUTPUT),, \ $(error output directory "$(saved-output)" does not exist)) all: sub-make $(MAKECMDGOALS): sub-make sub-make: force $(call build_output, $(MAKECMDGOALS)) # Leave processing to above invocation of makeskip-makefile := 1 endif # BUILD_OUTPUTendif # BUILD_SRC # We process the rest of the Makefile if this is the final invocation of makeifeq ($(skip-makefile),) srctree := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))objtree := $(CURDIR)src := $(srctree)obj := $(objtree) export prefix bindir src obj # Shell quotesbindir_SQ = $(subst ','\'',$(bindir))bindir_relative_SQ = $(subst ','\'',$(bindir_relative)) LIB_FILE = libtraceevent.a libtraceevent.so CONFIG_INCLUDES = CONFIG_LIBS =CONFIG_FLAGS = VERSION = $(EP_VERSION)PATCHLEVEL = $(EP_PATCHLEVEL)EXTRAVERSION = $(EP_EXTRAVERSION) OBJ = $@N = export Q VERBOSE EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION) INCLUDES = -I. $(CONFIG_INCLUDES) # Set compile option CFLAGS if not set elsewhereCFLAGS ?= -g -Wall # Append required CFLAGSoverride CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)override CFLAGS += $(udis86-flags) -D_GNU_SOURCE ifeq ($(VERBOSE),1) Q = print_compile = print_app_build = print_fpic_compile = print_shared_lib_compile = print_plugin_obj_compile = print_plugin_build = print_install =else Q = @ print_compile = echo ' CC '$(OBJ); print_app_build = echo ' BUILD '$(OBJ); print_fpic_compile = echo ' CC FPIC '$(OBJ); print_shared_lib_compile = echo ' BUILD SHARED LIB '$(OBJ); print_plugin_obj_compile = echo ' BUILD PLUGIN OBJ '$(OBJ); print_plugin_build = echo ' BUILD PLUGIN '$(OBJ); print_static_lib_build = echo ' BUILD STATIC LIB '$(OBJ); print_install = echo ' INSTALL '$1' to $(DESTDIR_SQ)$2';endif do_fpic_compile = \ ($(print_fpic_compile) \ $(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@) do_app_build = \ ($(print_app_build) \ $(CC) $^ -rdynamic -o $@ $(CONFIG_LIBS) $(LIBS)) do_compile_shared_library = \ ($(print_shared_lib_compile) \ $(CC) --shared $^ -o $@) do_compile_plugin_obj = \ ($(print_plugin_obj_compile) \ $(CC) -c $(CFLAGS) -fPIC -o $@ $<) do_plugin_build = \ ($(print_plugin_build) \ $(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<) do_build_static_lib = \ ($(print_static_lib_build) \ $(RM) $@; $(AR) rcs $@ $^) define do_compile $(print_compile) \ $(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@;endef $(obj)/%.o: $(src)/%.c $(Q)$(call do_compile) %.o: $(src)/%.c $(Q)$(call do_compile) PEVENT_LIB_OBJS = event-parse.o trace-seq.o parse-filter.o parse-utils.oPEVENT_LIB_OBJS += kbuffer-parse.o ALL_OBJS = $(PEVENT_LIB_OBJS) CMD_TARGETS = $(LIB_FILE) TARGETS = $(CMD_TARGETS) all: all_cmd all_cmd: $(CMD_TARGETS) libtraceevent.so: $(PEVENT_LIB_OBJS) $(Q)$(do_compile_shared_library) libtraceevent.a: $(PEVENT_LIB_OBJS) $(Q)$(do_build_static_lib) $(PEVENT_LIB_OBJS): %.o: $(src)/%.c TRACEEVENT-CFLAGS $(Q)$(do_fpic_compile) 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); \ ) > $1endef define update_version.h ($(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 ## make deps all_objs := $(sort $(ALL_OBJS))all_deps := $(all_objs:%.o=.%.d) # let .d file also depends on the source and header filesdefine check_deps @set -e; $(RM) $@; \ $(CC) -MM $(CFLAGS) $< > $@.$$$$; \ sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \ $(RM) $@.$$$$endef $(all_deps): .%.d: $(src)/%.c $(Q)$(call check_deps) $(all_objs) : %.o : .%.d dep_includes := $(wildcard $(all_deps)) ifneq ($(dep_includes),) include $(dep_includes)endif ### Detect environment changesTRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):$(ARCH):$(CROSS_COMPILE) TRACEEVENT-CFLAGS: force @FLAGS='$(TRACK_CFLAGS)'; \ if test x"$$FLAGS" != x"`cat TRACEEVENT-CFLAGS 2>/dev/null`" ; then \ echo 1>&2 " FLAGS: * new build flags or cross compiler"; \ echo "$$FLAGS" >TRACEEVENT-CFLAGS; \ fi 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 $(print_install) \ if [ ! -d '$(DESTDIR_SQ)$2' ]; then \ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \ fi; \ $(INSTALL) $1 '$(DESTDIR_SQ)$2'endef install_lib: all_cmd $(Q)$(call do_install,$(LIB_FILE),$(bindir_SQ)) install: install_lib clean: $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d $(RM) TRACEEVENT-CFLAGS tags TAGS endif # skip-makefile PHONY += forceforce: # 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)
# 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)
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))'
prefix ?= /usr/local
bindir_relative = bin
bindir = $(prefix)/$(bindir_relative)
man_dir = $(prefix)/share/man
man_dir_SQ = '$(subst ','\'',$(man_dir))'
export man_dir man_dir_SQ INSTALL
export DESTDIR DESTDIR_SQ
# copy a bit from Linux kbuild
ifeq ("$(origin V)", "command line")
VERBOSE = $(V)
endif
ifndef VERBOSE
VERBOSE = 0
endif
ifeq ("$(origin O)", "command line")
BUILD_OUTPUT := $(O)
endif
ifeq ($(BUILD_SRC),)
ifneq ($(BUILD_OUTPUT),)
define build_output
$(if $(VERBOSE:1=),@)+$(MAKE) -C $(BUILD_OUTPUT) \
BUILD_SRC=$(CURDIR) -f $(CURDIR)/Makefile $1
endef
saved-output := $(BUILD_OUTPUT)
BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd)
$(if $(BUILD_OUTPUT),, \
$(error output directory "$(saved-output)" does not exist))
all: sub-make
$(MAKECMDGOALS): sub-make
sub-make: force
$(call build_output, $(MAKECMDGOALS))
# Leave processing to above invocation of make
skip-makefile := 1
endif # BUILD_OUTPUT
endif # BUILD_SRC
# We process the rest of the Makefile if this is the final invocation of make
ifeq ($(skip-makefile),)
srctree := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
objtree := $(CURDIR)
src := $(srctree)
obj := $(objtree)
export prefix bindir src obj
# Shell quotes
bindir_SQ = $(subst ','\'',$(bindir))
bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
LIB_FILE = libtraceevent.a libtraceevent.so
CONFIG_INCLUDES =
CONFIG_LIBS =
CONFIG_FLAGS =
VERSION = $(EP_VERSION)
PATCHLEVEL = $(EP_PATCHLEVEL)
EXTRAVERSION = $(EP_EXTRAVERSION)
OBJ = $@
N =
export Q VERBOSE
EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
INCLUDES = -I. $(CONFIG_INCLUDES)
# Set compile option CFLAGS if not set elsewhere
CFLAGS ?= -g -Wall
# Append required CFLAGS
override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
override CFLAGS += $(udis86-flags) -D_GNU_SOURCE
ifeq ($(VERBOSE),1)
Q =
print_compile =
print_app_build =
print_fpic_compile =
print_shared_lib_compile =
print_plugin_obj_compile =
print_plugin_build =
print_install =
else
Q = @
print_compile = echo ' CC '$(OBJ);
print_app_build = echo ' BUILD '$(OBJ);
print_fpic_compile = echo ' CC FPIC '$(OBJ);
print_shared_lib_compile = echo ' BUILD SHARED LIB '$(OBJ);
print_plugin_obj_compile = echo ' BUILD PLUGIN OBJ '$(OBJ);
print_plugin_build = echo ' BUILD PLUGIN '$(OBJ);
print_static_lib_build = echo ' BUILD STATIC LIB '$(OBJ);
print_install = echo ' INSTALL '$1' to $(DESTDIR_SQ)$2';
endif
do_fpic_compile = \
($(print_fpic_compile) \
$(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@)
do_app_build = \
($(print_app_build) \
$(CC) $^ -rdynamic -o $@ $(CONFIG_LIBS) $(LIBS))
do_compile_shared_library = \
($(print_shared_lib_compile) \
$(CC) --shared $^ -o $@)
do_compile_plugin_obj = \
($(print_plugin_obj_compile) \
$(CC) -c $(CFLAGS) -fPIC -o $@ $<)
do_plugin_build = \
($(print_plugin_build) \
$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<)
do_build_static_lib = \
($(print_static_lib_build) \
$(RM) $@; $(AR) rcs $@ $^)
define do_compile
$(print_compile) \
$(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@;
endef
$(obj)/%.o: $(src)/%.c
$(Q)$(call do_compile)
%.o: $(src)/%.c
$(Q)$(call do_compile)
PEVENT_LIB_OBJS = event-parse.o trace-seq.o parse-filter.o parse-utils.o
PEVENT_LIB_OBJS += kbuffer-parse.o
ALL_OBJS = $(PEVENT_LIB_OBJS)
CMD_TARGETS = $(LIB_FILE)
TARGETS = $(CMD_TARGETS)
all: all_cmd
all_cmd: $(CMD_TARGETS)
libtraceevent.so: $(PEVENT_LIB_OBJS)
$(Q)$(do_compile_shared_library)
libtraceevent.a: $(PEVENT_LIB_OBJS)
$(Q)$(do_build_static_lib)
$(PEVENT_LIB_OBJS): %.o: $(src)/%.c TRACEEVENT-CFLAGS
$(Q)$(do_fpic_compile)
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
## make deps
all_objs := $(sort $(ALL_OBJS))
all_deps := $(all_objs:%.o=.%.d)
# let .d file also depends on the source and header files
define check_deps
@set -e; $(RM) $@; \
$(CC) -MM $(CFLAGS) $< > $@.$$$$; \
sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
$(RM) $@.$$$$
endef
$(all_deps): .%.d: $(src)/%.c
$(Q)$(call check_deps)
$(all_objs) : %.o : .%.d
dep_includes := $(wildcard $(all_deps))
ifneq ($(dep_includes),)
include $(dep_includes)
endif
### Detect environment changes
TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):$(ARCH):$(CROSS_COMPILE)
TRACEEVENT-CFLAGS: force
@FLAGS='$(TRACK_CFLAGS)'; \
if test x"$$FLAGS" != x"`cat TRACEEVENT-CFLAGS 2>/dev/null`" ; then \
echo 1>&2 " FLAGS: * new build flags or cross compiler"; \
echo "$$FLAGS" >TRACEEVENT-CFLAGS; \
fi
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
$(print_install) \
if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
fi; \
$(INSTALL) $1 '$(DESTDIR_SQ)$2'
endef
install_lib: all_cmd
$(Q)$(call do_install,$(LIB_FILE),$(bindir_SQ))
install: install_lib
clean:
$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d
$(RM) TRACEEVENT-CFLAGS tags TAGS
endif # skip-makefile
PHONY += force
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)