blob: 005c9cc0693593bf4ca197e13784f59118e2c5c1 [file] [log] [blame]
Steven Rostedtf7d82352012-04-06 00:47:53 +02001# 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))'
Steven Rostedtf7d82352012-04-06 00:47:53 +020042
Namhyung Kim9f1efa82013-06-04 14:20:16 +090043export man_dir man_dir_SQ INSTALL
Steven Rostedtf7d82352012-04-06 00:47:53 +020044export DESTDIR DESTDIR_SQ
45
Jiri Olsae0e96d02013-12-03 14:09:17 +010046set_plugin_dir := 1
47
48# Set plugin_dir to preffered global plugin location
49# If we install under $HOME directory we go under
50# $(HOME)/.traceevent/plugins
51#
52# We dont set PLUGIN_DIR in case we install under $HOME
53# directory, because by default the code looks under:
54# $(HOME)/.traceevent/plugins by default.
55#
56ifeq ($(plugin_dir),)
57ifeq ($(prefix),$(HOME))
58override plugin_dir = $(HOME)/.traceevent/plugins
59set_plugin_dir := 0
60else
61override plugin_dir = $(prefix)/lib/traceevent/plugins
62endif
63endif
64
65ifeq ($(set_plugin_dir),1)
Josh Boyerb935a582014-01-22 10:01:48 -050066PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)"
Jiri Olsae0e96d02013-12-03 14:09:17 +010067PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))'
68endif
69
Jiri Olsac3d090f2013-12-19 14:42:02 +010070include $(if $(BUILD_SRC),$(BUILD_SRC)/)../../scripts/Makefile.include
71
Steven Rostedtf7d82352012-04-06 00:47:53 +020072# copy a bit from Linux kbuild
73
74ifeq ("$(origin V)", "command line")
75 VERBOSE = $(V)
76endif
77ifndef VERBOSE
78 VERBOSE = 0
79endif
80
81ifeq ("$(origin O)", "command line")
82 BUILD_OUTPUT := $(O)
83endif
84
85ifeq ($(BUILD_SRC),)
Jiri Olsa4c7aafc2013-12-19 14:42:07 +010086ifneq ($(OUTPUT),)
Steven Rostedtf7d82352012-04-06 00:47:53 +020087
88define build_output
Jiri Olsa198430b2014-01-02 10:53:04 +010089 $(if $(VERBOSE:1=),@)+$(MAKE) -C $(OUTPUT) \
90 BUILD_SRC=$(CURDIR)/ -f $(CURDIR)/Makefile $1
Steven Rostedtf7d82352012-04-06 00:47:53 +020091endef
92
Steven Rostedtf7d82352012-04-06 00:47:53 +020093all: sub-make
94
Namhyung Kim4ccdf572013-06-04 14:20:17 +090095$(MAKECMDGOALS): sub-make
Steven Rostedtf7d82352012-04-06 00:47:53 +020096
97sub-make: force
98 $(call build_output, $(MAKECMDGOALS))
99
100
101# Leave processing to above invocation of make
102skip-makefile := 1
103
Jiri Olsa4c7aafc2013-12-19 14:42:07 +0100104endif # OUTPUT
Steven Rostedtf7d82352012-04-06 00:47:53 +0200105endif # BUILD_SRC
106
107# We process the rest of the Makefile if this is the final invocation of make
108ifeq ($(skip-makefile),)
109
110srctree := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
111objtree := $(CURDIR)
112src := $(srctree)
113obj := $(objtree)
114
115export prefix bindir src obj
116
117# Shell quotes
118bindir_SQ = $(subst ','\'',$(bindir))
119bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
Jiri Olsae0e96d02013-12-03 14:09:17 +0100120plugin_dir_SQ = $(subst ','\'',$(plugin_dir))
Steven Rostedtf7d82352012-04-06 00:47:53 +0200121
122LIB_FILE = libtraceevent.a libtraceevent.so
123
124CONFIG_INCLUDES =
125CONFIG_LIBS =
126CONFIG_FLAGS =
127
128VERSION = $(EP_VERSION)
129PATCHLEVEL = $(EP_PATCHLEVEL)
130EXTRAVERSION = $(EP_EXTRAVERSION)
131
132OBJ = $@
133N =
134
135export Q VERBOSE
136
137EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
138
Namhyung Kim3c6d8d82013-12-19 18:17:44 +0900139INCLUDES = -I. -I $(srctree)/../../include $(CONFIG_INCLUDES)
Steven Rostedtf7d82352012-04-06 00:47:53 +0200140
141# Set compile option CFLAGS if not set elsewhere
142CFLAGS ?= -g -Wall
143
144# Append required CFLAGS
145override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
Arnaldo Carvalho de Meloc0558752012-09-12 14:29:40 -0300146override CFLAGS += $(udis86-flags) -D_GNU_SOURCE
Steven Rostedtf7d82352012-04-06 00:47:53 +0200147
148ifeq ($(VERBOSE),1)
149 Q =
Steven Rostedtf7d82352012-04-06 00:47:53 +0200150else
151 Q = @
Steven Rostedtf7d82352012-04-06 00:47:53 +0200152endif
153
Steven Rostedtf7d82352012-04-06 00:47:53 +0200154do_compile_shared_library = \
155 ($(print_shared_lib_compile) \
156 $(CC) --shared $^ -o $@)
157
Steven Rostedtf7d82352012-04-06 00:47:53 +0200158do_plugin_build = \
159 ($(print_plugin_build) \
160 $(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<)
161
162do_build_static_lib = \
163 ($(print_static_lib_build) \
164 $(RM) $@; $(AR) rcs $@ $^)
165
166
Jiri Olsac3d090f2013-12-19 14:42:02 +0100167do_compile = $(QUIET_CC)$(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@;
Steven Rostedtf7d82352012-04-06 00:47:53 +0200168
169$(obj)/%.o: $(src)/%.c
Jiri Olsac3d090f2013-12-19 14:42:02 +0100170 $(call do_compile)
Steven Rostedtf7d82352012-04-06 00:47:53 +0200171
172%.o: $(src)/%.c
Jiri Olsac3d090f2013-12-19 14:42:02 +0100173 $(call do_compile)
Steven Rostedtf7d82352012-04-06 00:47:53 +0200174
Jiri Olsac877bbd2013-12-03 14:09:16 +0100175PEVENT_LIB_OBJS = event-parse.o
176PEVENT_LIB_OBJS += event-plugin.o
177PEVENT_LIB_OBJS += trace-seq.o
178PEVENT_LIB_OBJS += parse-filter.o
179PEVENT_LIB_OBJS += parse-utils.o
Namhyung Kimd6c25222013-06-04 14:20:21 +0900180PEVENT_LIB_OBJS += kbuffer-parse.o
Steven Rostedtf7d82352012-04-06 00:47:53 +0200181
Jiri Olsad9d13f82013-12-03 14:09:27 +0100182PLUGIN_OBJS = plugin_jbd2.o
183PLUGIN_OBJS += plugin_hrtimer.o
Jiri Olsaf8256282013-12-03 14:09:28 +0100184PLUGIN_OBJS += plugin_kmem.o
Jiri Olsa35d79f9f2013-12-03 14:09:29 +0100185PLUGIN_OBJS += plugin_kvm.o
Jiri Olsade705e22013-12-03 14:09:30 +0100186PLUGIN_OBJS += plugin_mac80211.o
Jiri Olsa83e815e2013-12-03 14:09:31 +0100187PLUGIN_OBJS += plugin_sched_switch.o
Jiri Olsa07a180a2013-12-03 14:09:32 +0100188PLUGIN_OBJS += plugin_function.o
Jiri Olsa40c03ad2013-12-03 14:09:33 +0100189PLUGIN_OBJS += plugin_xen.o
Jiri Olsa04010922013-12-03 14:09:34 +0100190PLUGIN_OBJS += plugin_scsi.o
Jiri Olsa94371472013-12-03 14:09:35 +0100191PLUGIN_OBJS += plugin_cfg80211.o
Jiri Olsae0549f12013-12-03 14:09:26 +0100192
Jiri Olsae0e96d02013-12-03 14:09:17 +0100193PLUGINS := $(PLUGIN_OBJS:.o=.so)
Steven Rostedtf7d82352012-04-06 00:47:53 +0200194
Jiri Olsae0e96d02013-12-03 14:09:17 +0100195ALL_OBJS = $(PEVENT_LIB_OBJS) $(PLUGIN_OBJS)
196
197CMD_TARGETS = $(LIB_FILE) $(PLUGINS)
Steven Rostedtf7d82352012-04-06 00:47:53 +0200198
199TARGETS = $(CMD_TARGETS)
200
201
202all: all_cmd
203
204all_cmd: $(CMD_TARGETS)
205
206libtraceevent.so: $(PEVENT_LIB_OBJS)
Jiri Olsae6262e22013-12-19 14:42:04 +0100207 $(QUIET_LINK)$(CC) --shared $^ -o $@
Steven Rostedtf7d82352012-04-06 00:47:53 +0200208
209libtraceevent.a: $(PEVENT_LIB_OBJS)
Jiri Olsae6262e22013-12-19 14:42:04 +0100210 $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
Steven Rostedtf7d82352012-04-06 00:47:53 +0200211
Jiri Olsae0e96d02013-12-03 14:09:17 +0100212plugins: $(PLUGINS)
213
Namhyung Kim52b5c0d2012-07-06 16:21:32 +0900214$(PEVENT_LIB_OBJS): %.o: $(src)/%.c TRACEEVENT-CFLAGS
Jiri Olsabdebbac2013-12-19 14:42:03 +0100215 $(QUIET_CC_FPIC)$(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@
Steven Rostedtf7d82352012-04-06 00:47:53 +0200216
Jiri Olsae0e96d02013-12-03 14:09:17 +0100217$(PLUGIN_OBJS): %.o : $(src)/%.c
Jiri Olsabdebbac2013-12-19 14:42:03 +0100218 $(QUIET_CC_FPIC)$(CC) -c $(CFLAGS) -fPIC -o $@ $<
Jiri Olsae0e96d02013-12-03 14:09:17 +0100219
220$(PLUGINS): %.so: %.o
Jiri Olsae6262e22013-12-19 14:42:04 +0100221 $(QUIET_LINK)$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<
Jiri Olsae0e96d02013-12-03 14:09:17 +0100222
Steven Rostedtf7d82352012-04-06 00:47:53 +0200223define make_version.h
Jiri Olsa198430b2014-01-02 10:53:04 +0100224 (echo '/* This file is automatically generated. Do not modify. */'; \
225 echo \#define VERSION_CODE $(shell \
226 expr $(VERSION) \* 256 + $(PATCHLEVEL)); \
227 echo '#define EXTRAVERSION ' $(EXTRAVERSION); \
228 echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \
229 echo '#define FILE_VERSION '$(FILE_VERSION); \
230 ) > $1
Steven Rostedtf7d82352012-04-06 00:47:53 +0200231endef
232
233define update_version.h
Jiri Olsa198430b2014-01-02 10:53:04 +0100234 ($(call make_version.h, $@.tmp); \
235 if [ -r $@ ] && cmp -s $@ $@.tmp; then \
236 rm -f $@.tmp; \
237 else \
238 echo ' UPDATE $@'; \
239 mv -f $@.tmp $@; \
240 fi);
Steven Rostedtf7d82352012-04-06 00:47:53 +0200241endef
242
243ep_version.h: force
244 $(Q)$(N)$(call update_version.h)
245
246VERSION_FILES = ep_version.h
247
248define update_dir
Jiri Olsa198430b2014-01-02 10:53:04 +0100249 (echo $1 > $@.tmp; \
250 if [ -r $@ ] && cmp -s $@ $@.tmp; then \
251 rm -f $@.tmp; \
252 else \
253 echo ' UPDATE $@'; \
254 mv -f $@.tmp $@; \
255 fi);
Steven Rostedtf7d82352012-04-06 00:47:53 +0200256endef
257
258## make deps
259
260all_objs := $(sort $(ALL_OBJS))
261all_deps := $(all_objs:%.o=.%.d)
262
Namhyung Kim860df582012-06-22 14:37:36 +0900263# let .d file also depends on the source and header files
Steven Rostedtf7d82352012-04-06 00:47:53 +0200264define check_deps
Jiri Olsa198430b2014-01-02 10:53:04 +0100265 @set -e; $(RM) $@; \
266 $(CC) -MM $(CFLAGS) $< > $@.$$$$; \
267 sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
268 $(RM) $@.$$$$
Steven Rostedtf7d82352012-04-06 00:47:53 +0200269endef
270
Steven Rostedtf7d82352012-04-06 00:47:53 +0200271$(all_deps): .%.d: $(src)/%.c
272 $(Q)$(call check_deps)
273
274$(all_objs) : %.o : .%.d
275
276dep_includes := $(wildcard $(all_deps))
277
278ifneq ($(dep_includes),)
279 include $(dep_includes)
280endif
281
Namhyung Kim52b5c0d2012-07-06 16:21:32 +0900282### Detect environment changes
283TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):$(ARCH):$(CROSS_COMPILE)
284
285TRACEEVENT-CFLAGS: force
286 @FLAGS='$(TRACK_CFLAGS)'; \
287 if test x"$$FLAGS" != x"`cat TRACEEVENT-CFLAGS 2>/dev/null`" ; then \
Ingo Molnar65fb0992013-10-09 11:49:27 +0200288 echo 1>&2 " FLAGS: * new build flags or cross compiler"; \
Namhyung Kim52b5c0d2012-07-06 16:21:32 +0900289 echo "$$FLAGS" >TRACEEVENT-CFLAGS; \
290 fi
291
Steven Rostedtf7d82352012-04-06 00:47:53 +0200292tags: force
293 $(RM) tags
Namhyung Kim6545e3a2012-06-22 17:10:14 +0900294 find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \
295 --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/'
Steven Rostedtf7d82352012-04-06 00:47:53 +0200296
297TAGS: force
298 $(RM) TAGS
Namhyung Kim6545e3a2012-06-22 17:10:14 +0900299 find . -name '*.[ch]' | xargs etags \
300 --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/'
Steven Rostedtf7d82352012-04-06 00:47:53 +0200301
302define do_install
Steven Rostedtf7d82352012-04-06 00:47:53 +0200303 if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
304 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
305 fi; \
306 $(INSTALL) $1 '$(DESTDIR_SQ)$2'
307endef
308
Jiri Olsa02a82c72013-12-19 14:42:05 +0100309define do_install_plugins
310 for plugin in $1; do \
311 $(call do_install,$$plugin,$(plugin_dir_SQ)); \
312 done
313endef
314
Jiri Olsae0e96d02013-12-03 14:09:17 +0100315install_lib: all_cmd install_plugins
Jiri Olsa02a82c72013-12-19 14:42:05 +0100316 $(call QUIET_INSTALL, $(LIB_FILE)) \
317 $(call do_install,$(LIB_FILE),$(bindir_SQ))
Steven Rostedtf7d82352012-04-06 00:47:53 +0200318
Jiri Olsa02a82c72013-12-19 14:42:05 +0100319install_plugins: $(PLUGINS)
320 $(call QUIET_INSTALL, trace_plugins) \
321 $(call do_install_plugins, $(PLUGINS))
Jiri Olsae0e96d02013-12-03 14:09:17 +0100322
Steven Rostedtf7d82352012-04-06 00:47:53 +0200323install: install_lib
324
325clean:
Jiri Olsa4a953c72013-12-19 14:42:06 +0100326 $(call QUIET_CLEAN, libtraceevent) \
327 $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d \
328 $(RM) TRACEEVENT-CFLAGS tags TAGS
Steven Rostedtf7d82352012-04-06 00:47:53 +0200329
330endif # skip-makefile
331
Jiri Olsa9bb8e5e2014-01-01 17:50:50 +0100332PHONY += force plugins
Steven Rostedtf7d82352012-04-06 00:47:53 +0200333force:
334
Jiri Olsa9bb8e5e2014-01-01 17:50:50 +0100335plugins:
336 @echo > /dev/null
337
Steven Rostedtf7d82352012-04-06 00:47:53 +0200338# Declare the contents of the .PHONY variable as phony. We keep that
339# information in a variable so we can use it in if_changed and friends.
340.PHONY: $(PHONY)