1# trace-cmd version 2EP_VERSION = 1 3EP_PATCHLEVEL = 1 4EP_EXTRAVERSION = 0 5 6# file format version 7FILE_VERSION = 6 8 9MAKEFLAGS += --no-print-directory 10 11 12# Makefiles suck: This macro sets a default value of $(2) for the 13# variable named by $(1), unless the variable has been set by 14# environment or command line. This is necessary for CC and AR 15# because make sets default values, so the simpler ?= approach 16# won't work as expected. 17define allow-override 18 $(if $(or $(findstring environment,$(origin $(1))),\ 19 $(findstring command line,$(origin $(1)))),,\ 20 $(eval $(1) = $(2))) 21endef 22 23# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix. 24$(call allow-override,CC,$(CROSS_COMPILE)gcc) 25$(call allow-override,AR,$(CROSS_COMPILE)ar) 26 27EXT = -std=gnu99 28INSTALL = install 29 30# Use DESTDIR for installing into a different root directory. 31# This is useful for building a package. The program will be 32# installed in this directory as if it was the root directory. 33# Then the build tool can move it later. 34DESTDIR ?= 35DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' 36 37prefix ?= /usr/local 38bindir_relative = bin 39bindir = $(prefix)/$(bindir_relative) 40man_dir = $(prefix)/share/man 41man_dir_SQ = '$(subst ','\'',$(man_dir))' 42html_install = $(prefix)/share/kernelshark/html 43html_install_SQ = '$(subst ','\'',$(html_install))' 44img_install = $(prefix)/share/kernelshark/html/images 45img_install_SQ = '$(subst ','\'',$(img_install))' 46 47export man_dir man_dir_SQ html_install html_install_SQ INSTALL 48export img_install img_install_SQ 49export DESTDIR DESTDIR_SQ 50 51# copy a bit from Linux kbuild 52 53ifeq ("$(origin V)", "command line") 54 VERBOSE = $(V) 55endif 56ifndef VERBOSE 57 VERBOSE = 0 58endif 59 60ifeq ("$(origin O)", "command line") 61 BUILD_OUTPUT := $(O) 62endif 63 64ifeq ($(BUILD_SRC),) 65ifneq ($(BUILD_OUTPUT),) 66 67define build_output 68 $(if $(VERBOSE:1=),@)$(MAKE) -C $(BUILD_OUTPUT) \ 69 BUILD_SRC=$(CURDIR) -f $(CURDIR)/Makefile $1 70endef 71 72saved-output := $(BUILD_OUTPUT) 73BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd) 74$(if $(BUILD_OUTPUT),, \ 75 $(error output directory "$(saved-output)" does not exist)) 76 77all: sub-make 78 79gui: force 80 $(call build_output, all_cmd) 81 82$(filter-out gui,$(MAKECMDGOALS)): sub-make 83 84sub-make: force 85 $(call build_output, $(MAKECMDGOALS)) 86 87 88# Leave processing to above invocation of make 89skip-makefile := 1 90 91endif # BUILD_OUTPUT 92endif # BUILD_SRC 93 94# We process the rest of the Makefile if this is the final invocation of make 95ifeq ($(skip-makefile),) 96 97srctree := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR)) 98objtree := $(CURDIR) 99src := $(srctree) 100obj := $(objtree) 101 102export prefix bindir src obj 103 104# Shell quotes 105bindir_SQ = $(subst ','\'',$(bindir)) 106bindir_relative_SQ = $(subst ','\'',$(bindir_relative)) 107 108LIB_FILE = libtraceevent.a libtraceevent.so 109 110CONFIG_INCLUDES = 111CONFIG_LIBS = 112CONFIG_FLAGS = 113 114VERSION = $(EP_VERSION) 115PATCHLEVEL = $(EP_PATCHLEVEL) 116EXTRAVERSION = $(EP_EXTRAVERSION) 117 118OBJ = $@ 119N = 120 121export Q VERBOSE 122 123EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION) 124 125INCLUDES = -I. $(CONFIG_INCLUDES) 126 127# Set compile option CFLAGS if not set elsewhere 128CFLAGS ?= -g -Wall 129 130# Append required CFLAGS 131override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ) 132override CFLAGS += $(udis86-flags) -D_GNU_SOURCE 133 134ifeq ($(VERBOSE),1) 135 Q = 136 print_compile = 137 print_app_build = 138 print_fpic_compile = 139 print_shared_lib_compile = 140 print_plugin_obj_compile = 141 print_plugin_build = 142 print_install = 143else 144 Q = @ 145 print_compile = echo ' CC '$(OBJ); 146 print_app_build = echo ' BUILD '$(OBJ); 147 print_fpic_compile = echo ' CC FPIC '$(OBJ); 148 print_shared_lib_compile = echo ' BUILD SHARED LIB '$(OBJ); 149 print_plugin_obj_compile = echo ' CC PLUGIN OBJ '$(OBJ); 150 print_plugin_build = echo ' CC PLUGI '$(OBJ); 151 print_static_lib_build = echo ' BUILD STATIC LIB '$(OBJ); 152 print_install = echo ' INSTALL '$1' to $(DESTDIR_SQ)$2'; 153endif 154 155do_fpic_compile = \ 156 ($(print_fpic_compile) \ 157 $(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@) 158 159do_app_build = \ 160 ($(print_app_build) \ 161 $(CC) $^ -rdynamic -o $@ $(CONFIG_LIBS) $(LIBS)) 162 163do_compile_shared_library = \ 164 ($(print_shared_lib_compile) \ 165 $(CC) --shared $^ -o $@) 166 167do_compile_plugin_obj = \ 168 ($(print_plugin_obj_compile) \ 169 $(CC) -c $(CFLAGS) -fPIC -o $@ $<) 170 171do_plugin_build = \ 172 ($(print_plugin_build) \ 173 $(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<) 174 175do_build_static_lib = \ 176 ($(print_static_lib_build) \ 177 $(RM) $@; $(AR) rcs $@ $^) 178 179 180define do_compile 181 $(print_compile) \ 182 $(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@; 183endef 184 185$(obj)/%.o: $(src)/%.c 186 $(Q)$(call do_compile) 187 188%.o: $(src)/%.c 189 $(Q)$(call do_compile) 190 191PEVENT_LIB_OBJS = event-parse.o trace-seq.o parse-filter.o parse-utils.o 192 193ALL_OBJS = $(PEVENT_LIB_OBJS) 194 195CMD_TARGETS = $(LIB_FILE) 196 197TARGETS = $(CMD_TARGETS) 198 199 200all: all_cmd 201 202all_cmd: $(CMD_TARGETS) 203 204libtraceevent.so: $(PEVENT_LIB_OBJS) 205 $(Q)$(do_compile_shared_library) 206 207libtraceevent.a: $(PEVENT_LIB_OBJS) 208 $(Q)$(do_build_static_lib) 209 210$(PEVENT_LIB_OBJS): %.o: $(src)/%.c TRACEEVENT-CFLAGS 211 $(Q)$(do_fpic_compile) 212 213define make_version.h 214 (echo '/* This file is automatically generated. Do not modify. */'; \ 215 echo \#define VERSION_CODE $(shell \ 216 expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ 217 echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ 218 echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ 219 echo '#define FILE_VERSION '$(FILE_VERSION); \ 220 ) > $1 221endef 222 223define update_version.h 224 ($(call make_version.h, $@.tmp); \ 225 if [ -r $@ ] && cmp -s $@ $@.tmp; then \ 226 rm -f $@.tmp; \ 227 else \ 228 echo ' UPDATE $@'; \ 229 mv -f $@.tmp $@; \ 230 fi); 231endef 232 233ep_version.h: force 234 $(Q)$(N)$(call update_version.h) 235 236VERSION_FILES = ep_version.h 237 238define update_dir 239 (echo $1 > $@.tmp; \ 240 if [ -r $@ ] && cmp -s $@ $@.tmp; then \ 241 rm -f $@.tmp; \ 242 else \ 243 echo ' UPDATE $@'; \ 244 mv -f $@.tmp $@; \ 245 fi); 246endef 247 248## make deps 249 250all_objs := $(sort $(ALL_OBJS)) 251all_deps := $(all_objs:%.o=.%.d) 252 253# let .d file also depends on the source and header files 254define check_deps 255 @set -e; $(RM) $@; \ 256 $(CC) -MM $(CFLAGS) $< > $@.$$$$; \ 257 sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \ 258 $(RM) $@.$$$$ 259endef 260 261$(gui_deps): ks_version.h 262$(non_gui_deps): tc_version.h 263 264$(all_deps): .%.d: $(src)/%.c 265 $(Q)$(call check_deps) 266 267$(all_objs) : %.o : .%.d 268 269dep_includes := $(wildcard $(all_deps)) 270 271ifneq ($(dep_includes),) 272 include $(dep_includes) 273endif 274 275### Detect environment changes 276TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):$(ARCH):$(CROSS_COMPILE) 277 278TRACEEVENT-CFLAGS: force 279 @FLAGS='$(TRACK_CFLAGS)'; \ 280 if test x"$$FLAGS" != x"`cat TRACEEVENT-CFLAGS 2>/dev/null`" ; then \ 281 echo 1>&2 " * new build flags or cross compiler"; \ 282 echo "$$FLAGS" >TRACEEVENT-CFLAGS; \ 283 fi 284 285tags: force 286 $(RM) tags 287 find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \ 288 --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' 289 290TAGS: force 291 $(RM) TAGS 292 find . -name '*.[ch]' | xargs etags \ 293 --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/' 294 295define do_install 296 $(print_install) \ 297 if [ ! -d '$(DESTDIR_SQ)$2' ]; then \ 298 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \ 299 fi; \ 300 $(INSTALL) $1 '$(DESTDIR_SQ)$2' 301endef 302 303install_lib: all_cmd install_plugins install_python 304 $(Q)$(call do_install,$(LIB_FILE),$(bindir_SQ)) 305 306install: install_lib 307 308clean: 309 $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d 310 $(RM) TRACEEVENT-CFLAGS tags TAGS 311 312endif # skip-makefile 313 314PHONY += force 315force: 316 317# Declare the contents of the .PHONY variable as phony. We keep that 318# information in a variable so we can use it in if_changed and friends. 319.PHONY: $(PHONY) 320