blob: 3d69aa9ff51e8ff336cae400860a4b544dc82fe3 [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))'
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. -I/usr/local/include $(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 += $(udis86-flags)
133
134ifeq ($(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
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
253define check_deps
254 $(CC) -M $(CFLAGS) $< > $@;
255endef
256
257$(gui_deps): ks_version.h
258$(non_gui_deps): tc_version.h
259
260$(all_deps): .%.d: $(src)/%.c
261 $(Q)$(call check_deps)
262
263$(all_objs) : %.o : .%.d
264
265dep_includes := $(wildcard $(all_deps))
266
267ifneq ($(dep_includes),)
268 include $(dep_includes)
269endif
270
271tags: force
272 $(RM) tags
273 find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px
274
275TAGS: force
276 $(RM) TAGS
277 find . -name '*.[ch]' | xargs etags
278
279define do_install
280 $(print_install) \
281 if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
282 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
283 fi; \
284 $(INSTALL) $1 '$(DESTDIR_SQ)$2'
285endef
286
287install_lib: all_cmd install_plugins install_python
288 $(Q)$(call do_install,$(LIB_FILE),$(bindir_SQ))
289
290install: install_lib
291
292clean:
293 $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES).*.d
294 $(RM) tags TAGS
295
296endif # skip-makefile
297
298PHONY += force
299force:
300
301# Declare the contents of the .PHONY variable as phony. We keep that
302# information in a variable so we can use it in if_changed and friends.
303.PHONY: $(PHONY)