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))'
42
html_install = $(prefix)/share/kernelshark/html
43
html_install_SQ = '$(subst ','\'',$(html_install))'
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img_install = $(prefix)/share/kernelshark/html/images
45
img_install_SQ = '$(subst ','\'',$(img_install))'
47
export man_dir man_dir_SQ html_install html_install_SQ INSTALL
48
export img_install img_install_SQ
49
export DESTDIR DESTDIR_SQ
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# copy a bit from Linux kbuild
53
ifeq ("$(origin V)", "command line")
60
ifeq ("$(origin O)", "command line")
65
ifneq ($(BUILD_OUTPUT),)
68
$(if $(VERBOSE:1=),@)$(MAKE) -C $(BUILD_OUTPUT) \
69
BUILD_SRC=$(CURDIR) -f $(CURDIR)/Makefile $1
72
saved-output := $(BUILD_OUTPUT)
73
BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd)
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$(if $(BUILD_OUTPUT),, \
75
$(error output directory "$(saved-output)" does not exist))
80
$(call build_output, all_cmd)
82
$(filter-out gui,$(MAKECMDGOALS)): sub-make
85
$(call build_output, $(MAKECMDGOALS))
88
# Leave processing to above invocation of make
94
# We process the rest of the Makefile if this is the final invocation of make
95
ifeq ($(skip-makefile),)
97
srctree := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
102
export prefix bindir src obj
105
bindir_SQ = $(subst ','\'',$(bindir))
106
bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
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LIB_FILE = libtraceevent.a libtraceevent.so
114
VERSION = $(EP_VERSION)
115
PATCHLEVEL = $(EP_PATCHLEVEL)
116
EXTRAVERSION = $(EP_EXTRAVERSION)
123
EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
125
INCLUDES = -I. -I/usr/local/include $(CONFIG_INCLUDES)
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# Set compile option CFLAGS if not set elsewhere
130
# Append required CFLAGS
131
override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
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override CFLAGS += $(udis86-flags)
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print_shared_lib_compile =
140
print_plugin_obj_compile =
145
print_compile = echo ' CC '$(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)$2';
156
($(print_fpic_compile) \
157
$(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@)
160
($(print_app_build) \
161
$(CC) $^ -rdynamic -o $@ $(CONFIG_LIBS) $(LIBS))
163
do_compile_shared_library = \
164
($(print_shared_lib_compile) \
165
$(CC) --shared $^ -o $@)
167
do_compile_plugin_obj = \
168
($(print_plugin_obj_compile) \
169
$(CC) -c $(CFLAGS) -fPIC -o $@ $<)
172
($(print_plugin_build) \
173
$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<)
175
do_build_static_lib = \
176
($(print_static_lib_build) \
177
$(RM) $@; $(AR) rcs $@ $^)
182
$(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@;
185
$(obj)/%.o: $(src)/%.c
186
$(Q)$(call do_compile)
189
$(Q)$(call do_compile)
191
PEVENT_LIB_OBJS = event-parse.o trace-seq.o parse-filter.o parse-utils.o
193
ALL_OBJS = $(PEVENT_LIB_OBJS)
195
CMD_TARGETS = $(LIB_FILE)
197
TARGETS = $(CMD_TARGETS)
202
all_cmd: $(CMD_TARGETS)
204
libtraceevent.so: $(PEVENT_LIB_OBJS)
205
$(Q)$(do_compile_shared_library)
207
libtraceevent.a: $(PEVENT_LIB_OBJS)
208
$(Q)$(do_build_static_lib)
210
$(PEVENT_LIB_OBJS): %.o: $(src)/%.c
211
$(Q)$(do_fpic_compile)
213
define 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 '$(FILE_VERSION); \
223
define update_version.h
224
($(call make_version.h, $@.tmp); \
225
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
234
$(Q)$(N)$(call update_version.h)
236
VERSION_FILES = ep_version.h
240
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
250
all_objs := $(sort $(ALL_OBJS))
251
all_deps := $(all_objs:%.o=.%.d)
254
$(CC) -M $(CFLAGS) $< > $@;
257
$(gui_deps): ks_version.h
258
$(non_gui_deps): tc_version.h
260
$(all_deps): .%.d: $(src)/%.c
261
$(Q)$(call check_deps)
263
$(all_objs) : %.o : .%.d
265
dep_includes := $(wildcard $(all_deps))
267
ifneq ($(dep_includes),)
268
include $(dep_includes)
273
find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px
277
find . -name '*.[ch]' | xargs etags
281
if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
282
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
284
$(INSTALL) $1 '$(DESTDIR_SQ)$2'
287
install_lib: all_cmd install_plugins install_python
288
$(Q)$(call do_install,$(LIB_FILE),$(bindir_SQ))
293
$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES).*.d
296
endif # skip-makefile
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.