9 MAKEFLAGS += --no-print-directory
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.
18 $(if $(or $(findstring environment,$(origin $(1))),\
19 $(findstring command line,$(origin $(1)))),,\
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)
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.
35 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
39 bindir = $(prefix)/$(bindir_relative)
40 man_dir = $(prefix)/share/man
41 man_dir_SQ = '$(subst ','\'',$(man_dir))'
43 export man_dir man_dir_SQ INSTALL
44 export DESTDIR DESTDIR_SQ
48 # Set plugin_dir to preffered global plugin location
49 # If we install under $HOME directory we go under
50 # $(HOME)/.traceevent/plugins
52 # We dont set PLUGIN_DIR in case we install under $HOME
53 # directory, because by default the code looks under:
54 # $(HOME)/.traceevent/plugins by default.
57 ifeq ($(prefix),$(HOME))
58 override plugin_dir = $(HOME)/.traceevent/plugins
61 override plugin_dir = $(prefix)/lib/traceevent/plugins
65 ifeq ($(set_plugin_dir),1)
66 PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)"
67 PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))'
70 include ../../scripts/Makefile.include
72 # copy a bit from Linux kbuild
74 ifeq ("$(origin V)", "command line")
82 srctree := $(patsubst %/,%,$(dir $(shell pwd)))
83 srctree := $(patsubst %/,%,$(dir $(srctree)))
84 srctree := $(patsubst %/,%,$(dir $(srctree)))
85 #$(info Determined 'srctree' to be $(srctree))
88 export prefix bindir src obj
91 bindir_SQ = $(subst ','\'',$(bindir))
92 bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
93 plugin_dir_SQ = $(subst ','\'',$(plugin_dir))
95 LIB_FILE = libtraceevent.a libtraceevent.so
101 VERSION = $(EP_VERSION)
102 PATCHLEVEL = $(EP_PATCHLEVEL)
103 EXTRAVERSION = $(EP_EXTRAVERSION)
108 EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
110 INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES)
112 # Set compile option CFLAGS
114 CFLAGS := $(EXTRA_CFLAGS)
119 # Append required CFLAGS
120 override CFLAGS += -fPIC
121 override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
122 override CFLAGS += $(udis86-flags) -D_GNU_SOURCE
130 # Disable command line variables (CFLAGS) overide from top
131 # level Makefile (perf), otherwise build Makefile will get
132 # the same command line setup.
135 export srctree OUTPUT CC LD CFLAGS V
136 build := -f $(srctree)/tools/build/Makefile.build dir=. obj
138 PLUGINS = plugin_jbd2.so
139 PLUGINS += plugin_hrtimer.so
140 PLUGINS += plugin_kmem.so
141 PLUGINS += plugin_kvm.so
142 PLUGINS += plugin_mac80211.so
143 PLUGINS += plugin_sched_switch.so
144 PLUGINS += plugin_function.so
145 PLUGINS += plugin_xen.so
146 PLUGINS += plugin_scsi.so
147 PLUGINS += plugin_cfg80211.so
149 PLUGINS := $(addprefix $(OUTPUT),$(PLUGINS))
150 PLUGINS_IN := $(PLUGINS:.so=-in.o)
152 TE_IN := $(OUTPUT)libtraceevent-in.o
153 LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE))
155 CMD_TARGETS = $(LIB_FILE) $(PLUGINS)
157 TARGETS = $(CMD_TARGETS)
161 all_cmd: $(CMD_TARGETS)
164 $(Q)$(MAKE) $(build)=libtraceevent
166 $(OUTPUT)libtraceevent.so: $(TE_IN)
167 $(QUIET_LINK)$(CC) --shared $^ -o $@
169 $(OUTPUT)libtraceevent.a: $(TE_IN)
170 $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
174 __plugin_obj = $(notdir $@)
175 plugin_obj = $(__plugin_obj:-in.o=)
178 $(Q)$(MAKE) $(build)=$(plugin_obj)
180 $(OUTPUT)%.so: $(OUTPUT)%-in.o
181 $(QUIET_LINK)$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $^
183 define make_version.h
184 (echo '/* This file is automatically generated. Do not modify. */'; \
185 echo \#define VERSION_CODE $(shell \
186 expr $(VERSION) \* 256 + $(PATCHLEVEL)); \
187 echo '#define EXTRAVERSION ' $(EXTRAVERSION); \
188 echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \
189 echo '#define FILE_VERSION '$(FILE_VERSION); \
193 define update_version.h
194 ($(call make_version.h, $@.tmp); \
195 if [ -r $@ ] && cmp -s $@ $@.tmp; then \
204 $(Q)$(N)$(call update_version.h)
206 VERSION_FILES = ep_version.h
210 if [ -r $@ ] && cmp -s $@ $@.tmp; then \
220 find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \
221 --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/'
225 find . -name '*.[ch]' | xargs etags \
226 --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/'
229 if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
230 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
232 $(INSTALL) $1 '$(DESTDIR_SQ)$2'
235 define do_install_plugins
236 for plugin in $1; do \
237 $(call do_install,$$plugin,$(plugin_dir_SQ)); \
241 install_lib: all_cmd install_plugins
242 $(call QUIET_INSTALL, $(LIB_FILE)) \
243 $(call do_install,$(LIB_FILE),$(bindir_SQ))
245 install_plugins: $(PLUGINS)
246 $(call QUIET_INSTALL, trace_plugins) \
247 $(call do_install_plugins, $(PLUGINS))
252 $(call QUIET_CLEAN, libtraceevent) \
253 $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d \
254 $(RM) TRACEEVENT-CFLAGS tags TAGS
256 PHONY += force plugins
259 # Declare the contents of the .PHONY variable as phony. We keep that
260 # information in a variable so we can use it in if_changed and friends.