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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
f7d82350 SR |
2 | # trace-cmd version |
3 | EP_VERSION = 1 | |
4 | EP_PATCHLEVEL = 1 | |
5 | EP_EXTRAVERSION = 0 | |
6 | ||
7 | # file format version | |
8 | FILE_VERSION = 6 | |
9 | ||
10 | MAKEFLAGS += --no-print-directory | |
11 | ||
12 | ||
13 | # Makefiles suck: This macro sets a default value of $(2) for the | |
14 | # variable named by $(1), unless the variable has been set by | |
15 | # environment or command line. This is necessary for CC and AR | |
16 | # because make sets default values, so the simpler ?= approach | |
17 | # won't work as expected. | |
18 | define allow-override | |
19 | $(if $(or $(findstring environment,$(origin $(1))),\ | |
20 | $(findstring command line,$(origin $(1)))),,\ | |
21 | $(eval $(1) = $(2))) | |
22 | endef | |
23 | ||
24 | # Allow setting CC and AR, or setting CROSS_COMPILE as a prefix. | |
25 | $(call allow-override,CC,$(CROSS_COMPILE)gcc) | |
26 | $(call allow-override,AR,$(CROSS_COMPILE)ar) | |
e3d09ec8 | 27 | $(call allow-override,NM,$(CROSS_COMPILE)nm) |
f7d82350 SR |
28 | |
29 | EXT = -std=gnu99 | |
30 | INSTALL = install | |
31 | ||
32 | # Use DESTDIR for installing into a different root directory. | |
33 | # This is useful for building a package. The program will be | |
34 | # installed in this directory as if it was the root directory. | |
35 | # Then the build tool can move it later. | |
36 | DESTDIR ?= | |
37 | DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' | |
38 | ||
bb53e176 WN |
39 | LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) |
40 | ifeq ($(LP64), 1) | |
41 | libdir_relative = lib64 | |
42 | else | |
43 | libdir_relative = lib | |
44 | endif | |
45 | ||
f7d82350 | 46 | prefix ?= /usr/local |
bb53e176 | 47 | libdir = $(prefix)/$(libdir_relative) |
f7d82350 SR |
48 | man_dir = $(prefix)/share/man |
49 | man_dir_SQ = '$(subst ','\'',$(man_dir))' | |
f7d82350 | 50 | |
9f1efa82 | 51 | export man_dir man_dir_SQ INSTALL |
f7d82350 SR |
52 | export DESTDIR DESTDIR_SQ |
53 | ||
e0e96d03 JO |
54 | set_plugin_dir := 1 |
55 | ||
56 | # Set plugin_dir to preffered global plugin location | |
57 | # If we install under $HOME directory we go under | |
58 | # $(HOME)/.traceevent/plugins | |
59 | # | |
60 | # We dont set PLUGIN_DIR in case we install under $HOME | |
61 | # directory, because by default the code looks under: | |
62 | # $(HOME)/.traceevent/plugins by default. | |
63 | # | |
64 | ifeq ($(plugin_dir),) | |
65 | ifeq ($(prefix),$(HOME)) | |
66 | override plugin_dir = $(HOME)/.traceevent/plugins | |
67 | set_plugin_dir := 0 | |
68 | else | |
bb53e176 | 69 | override plugin_dir = $(libdir)/traceevent/plugins |
e0e96d03 JO |
70 | endif |
71 | endif | |
72 | ||
73 | ifeq ($(set_plugin_dir),1) | |
b935a58d | 74 | PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)" |
e0e96d03 JO |
75 | PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))' |
76 | endif | |
77 | ||
2d58ab9b | 78 | include ../../scripts/Makefile.include |
c3d090f4 | 79 | |
f7d82350 SR |
80 | # copy a bit from Linux kbuild |
81 | ||
82 | ifeq ("$(origin V)", "command line") | |
83 | VERBOSE = $(V) | |
84 | endif | |
85 | ifndef VERBOSE | |
86 | VERBOSE = 0 | |
87 | endif | |
88 | ||
2d58ab9b | 89 | ifeq ($(srctree),) |
e19b7cee | 90 | srctree := $(patsubst %/,%,$(dir $(CURDIR))) |
2d58ab9b JO |
91 | srctree := $(patsubst %/,%,$(dir $(srctree))) |
92 | srctree := $(patsubst %/,%,$(dir $(srctree))) | |
93 | #$(info Determined 'srctree' to be $(srctree)) | |
f7d82350 SR |
94 | endif |
95 | ||
bb53e176 | 96 | export prefix libdir src obj |
f7d82350 SR |
97 | |
98 | # Shell quotes | |
bb53e176 WN |
99 | libdir_SQ = $(subst ','\'',$(libdir)) |
100 | libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) | |
e0e96d03 | 101 | plugin_dir_SQ = $(subst ','\'',$(plugin_dir)) |
f7d82350 | 102 | |
f7d82350 SR |
103 | CONFIG_INCLUDES = |
104 | CONFIG_LIBS = | |
105 | CONFIG_FLAGS = | |
106 | ||
107 | VERSION = $(EP_VERSION) | |
108 | PATCHLEVEL = $(EP_PATCHLEVEL) | |
109 | EXTRAVERSION = $(EP_EXTRAVERSION) | |
110 | ||
111 | OBJ = $@ | |
112 | N = | |
113 | ||
f7d82350 SR |
114 | EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION) |
115 | ||
fe316723 JO |
116 | LIB_TARGET = libtraceevent.a libtraceevent.so.$(EVENT_PARSE_VERSION) |
117 | LIB_INSTALL = libtraceevent.a libtraceevent.so* | |
118 | ||
2d58ab9b | 119 | INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES) |
f7d82350 | 120 | |
2d58ab9b JO |
121 | # Set compile option CFLAGS |
122 | ifdef EXTRA_CFLAGS | |
123 | CFLAGS := $(EXTRA_CFLAGS) | |
124 | else | |
125 | CFLAGS := -g -Wall | |
126 | endif | |
f7d82350 SR |
127 | |
128 | # Append required CFLAGS | |
2d58ab9b | 129 | override CFLAGS += -fPIC |
f7d82350 | 130 | override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ) |
c055875b | 131 | override CFLAGS += $(udis86-flags) -D_GNU_SOURCE |
f7d82350 SR |
132 | |
133 | ifeq ($(VERBOSE),1) | |
134 | Q = | |
f7d82350 SR |
135 | else |
136 | Q = @ | |
f7d82350 SR |
137 | endif |
138 | ||
505d3085 | 139 | # Disable command line variables (CFLAGS) override from top |
2d58ab9b JO |
140 | # level Makefile (perf), otherwise build Makefile will get |
141 | # the same command line setup. | |
142 | MAKEOVERRIDES= | |
f7d82350 | 143 | |
2d58ab9b JO |
144 | export srctree OUTPUT CC LD CFLAGS V |
145 | build := -f $(srctree)/tools/build/Makefile.build dir=. obj | |
f7d82350 | 146 | |
2d58ab9b JO |
147 | PLUGINS = plugin_jbd2.so |
148 | PLUGINS += plugin_hrtimer.so | |
149 | PLUGINS += plugin_kmem.so | |
150 | PLUGINS += plugin_kvm.so | |
151 | PLUGINS += plugin_mac80211.so | |
152 | PLUGINS += plugin_sched_switch.so | |
153 | PLUGINS += plugin_function.so | |
154 | PLUGINS += plugin_xen.so | |
155 | PLUGINS += plugin_scsi.so | |
156 | PLUGINS += plugin_cfg80211.so | |
f7d82350 | 157 | |
2d58ab9b JO |
158 | PLUGINS := $(addprefix $(OUTPUT),$(PLUGINS)) |
159 | PLUGINS_IN := $(PLUGINS:.so=-in.o) | |
f7d82350 | 160 | |
39944a76 JO |
161 | TE_IN := $(OUTPUT)libtraceevent-in.o |
162 | LIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET)) | |
e3d09ec8 | 163 | DYNAMIC_LIST_FILE := $(OUTPUT)libtraceevent-dynamic-list |
f7d82350 | 164 | |
39944a76 | 165 | CMD_TARGETS = $(LIB_TARGET) $(PLUGINS) $(DYNAMIC_LIST_FILE) |
f7d82350 SR |
166 | |
167 | TARGETS = $(CMD_TARGETS) | |
168 | ||
f7d82350 SR |
169 | all: all_cmd |
170 | ||
171 | all_cmd: $(CMD_TARGETS) | |
172 | ||
2d58ab9b JO |
173 | $(TE_IN): force |
174 | $(Q)$(MAKE) $(build)=libtraceevent | |
175 | ||
fe316723 JO |
176 | $(OUTPUT)libtraceevent.so.$(EVENT_PARSE_VERSION): $(TE_IN) |
177 | $(QUIET_LINK)$(CC) --shared $^ -Wl,-soname,libtraceevent.so.$(EP_VERSION) -o $@ | |
178 | @ln -sf $(@F) $(OUTPUT)libtraceevent.so | |
179 | @ln -sf $(@F) $(OUTPUT)libtraceevent.so.$(EP_VERSION) | |
f7d82350 | 180 | |
2d58ab9b | 181 | $(OUTPUT)libtraceevent.a: $(TE_IN) |
e6262e23 | 182 | $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^ |
f7d82350 | 183 | |
e3d09ec8 HK |
184 | $(OUTPUT)libtraceevent-dynamic-list: $(PLUGINS) |
185 | $(QUIET_GEN)$(call do_generate_dynamic_list_file, $(PLUGINS), $@) | |
186 | ||
e0e96d03 JO |
187 | plugins: $(PLUGINS) |
188 | ||
2d58ab9b JO |
189 | __plugin_obj = $(notdir $@) |
190 | plugin_obj = $(__plugin_obj:-in.o=) | |
f7d82350 | 191 | |
2d58ab9b JO |
192 | $(PLUGINS_IN): force |
193 | $(Q)$(MAKE) $(build)=$(plugin_obj) | |
e0e96d03 | 194 | |
2d58ab9b JO |
195 | $(OUTPUT)%.so: $(OUTPUT)%-in.o |
196 | $(QUIET_LINK)$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $^ | |
e0e96d03 | 197 | |
f7d82350 | 198 | define make_version.h |
198430b5 JO |
199 | (echo '/* This file is automatically generated. Do not modify. */'; \ |
200 | echo \#define VERSION_CODE $(shell \ | |
201 | expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ | |
202 | echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ | |
203 | echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ | |
204 | echo '#define FILE_VERSION '$(FILE_VERSION); \ | |
205 | ) > $1 | |
f7d82350 SR |
206 | endef |
207 | ||
208 | define update_version.h | |
198430b5 JO |
209 | ($(call make_version.h, $@.tmp); \ |
210 | if [ -r $@ ] && cmp -s $@ $@.tmp; then \ | |
211 | rm -f $@.tmp; \ | |
212 | else \ | |
213 | echo ' UPDATE $@'; \ | |
214 | mv -f $@.tmp $@; \ | |
215 | fi); | |
f7d82350 SR |
216 | endef |
217 | ||
218 | ep_version.h: force | |
219 | $(Q)$(N)$(call update_version.h) | |
220 | ||
221 | VERSION_FILES = ep_version.h | |
222 | ||
223 | define update_dir | |
198430b5 JO |
224 | (echo $1 > $@.tmp; \ |
225 | if [ -r $@ ] && cmp -s $@ $@.tmp; then \ | |
226 | rm -f $@.tmp; \ | |
227 | else \ | |
228 | echo ' UPDATE $@'; \ | |
229 | mv -f $@.tmp $@; \ | |
230 | fi); | |
f7d82350 SR |
231 | endef |
232 | ||
f7d82350 SR |
233 | tags: force |
234 | $(RM) tags | |
6545e3a8 | 235 | find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \ |
d97f4ef1 | 236 | --regex-c++='/_PE\(([^,)]*).*/TEP_ERRNO__\1/' |
f7d82350 SR |
237 | |
238 | TAGS: force | |
239 | $(RM) TAGS | |
6545e3a8 | 240 | find . -name '*.[ch]' | xargs etags \ |
d97f4ef1 | 241 | --regex='/_PE(\([^,)]*\).*/TEP_ERRNO__\1/' |
f7d82350 | 242 | |
c121bdbb JO |
243 | define do_install_mkdir |
244 | if [ ! -d '$(DESTDIR_SQ)$1' ]; then \ | |
245 | $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \ | |
246 | fi | |
247 | endef | |
248 | ||
f7d82350 | 249 | define do_install |
c121bdbb | 250 | $(call do_install_mkdir,$2); \ |
722a4984 | 251 | $(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2' |
f7d82350 SR |
252 | endef |
253 | ||
02a82c7b JO |
254 | define do_install_plugins |
255 | for plugin in $1; do \ | |
256 | $(call do_install,$$plugin,$(plugin_dir_SQ)); \ | |
257 | done | |
258 | endef | |
e0e96d03 | 259 | |
e3d09ec8 | 260 | define do_generate_dynamic_list_file |
6467753d DCC |
261 | symbol_type=`$(NM) -u -D $1 | awk 'NF>1 {print $$1}' | \ |
262 | xargs echo "U W w" | tr ' ' '\n' | sort -u | xargs echo`;\ | |
263 | if [ "$$symbol_type" = "U W w" ];then \ | |
264 | (echo '{'; \ | |
265 | $(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u;\ | |
266 | echo '};'; \ | |
267 | ) > $2; \ | |
268 | else \ | |
269 | (echo Either missing one of [$1] or bad version of $(NM)) 1>&2;\ | |
270 | fi | |
e3d09ec8 HK |
271 | endef |
272 | ||
02a82c7b | 273 | install_lib: all_cmd install_plugins |
39944a76 | 274 | $(call QUIET_INSTALL, $(LIB_TARGET)) \ |
fe316723 JO |
275 | $(call do_install_mkdir,$(libdir_SQ)); \ |
276 | cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ) | |
e0e96d03 | 277 | |
02a82c7b JO |
278 | install_plugins: $(PLUGINS) |
279 | $(call QUIET_INSTALL, trace_plugins) \ | |
280 | $(call do_install_plugins, $(PLUGINS)) | |
e0e96d03 | 281 | |
722a4984 JO |
282 | install_headers: |
283 | $(call QUIET_INSTALL, headers) \ | |
284 | $(call do_install,event-parse.h,$(prefix)/include/traceevent,644); \ | |
285 | $(call do_install,event-utils.h,$(prefix)/include/traceevent,644); \ | |
286 | $(call do_install,kbuffer.h,$(prefix)/include/traceevent,644) | |
287 | ||
f7d82350 SR |
288 | install: install_lib |
289 | ||
290 | clean: | |
4a953c71 | 291 | $(call QUIET_CLEAN, libtraceevent) \ |
c867b150 | 292 | $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd \ |
4a953c71 | 293 | $(RM) TRACEEVENT-CFLAGS tags TAGS |
f7d82350 | 294 | |
9bb8e5ed | 295 | PHONY += force plugins |
f7d82350 SR |
296 | force: |
297 | ||
298 | # Declare the contents of the .PHONY variable as phony. We keep that | |
299 | # information in a variable so we can use it in if_changed and friends. | |
300 | .PHONY: $(PHONY) |