| # SPDX-License-Identifier: GPL-2.0 |
| # libtraceevent version |
| EP_VERSION = 1 |
| EP_PATCHLEVEL = 7 |
| EP_EXTRAVERSION = 1 |
| EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION) |
| |
| MAKEFLAGS += --no-print-directory |
| |
| |
| # Makefiles suck: This macro sets a default value of $(2) for the |
| # variable named by $(1), unless the variable has been set by |
| # environment or command line. This is necessary for CC and AR |
| # because make sets default values, so the simpler ?= approach |
| # won't work as expected. |
| define allow-override |
| $(if $(or $(findstring environment,$(origin $(1))),\ |
| $(findstring command line,$(origin $(1)))),,\ |
| $(eval $(1) = $(2))) |
| endef |
| |
| # Allow setting CC and AR, or setting CROSS_COMPILE as a prefix. |
| $(call allow-override,CC,$(CROSS_COMPILE)gcc) |
| $(call allow-override,AR,$(CROSS_COMPILE)ar) |
| $(call allow-override,NM,$(CROSS_COMPILE)nm) |
| $(call allow-override,PKG_CONFIG,pkg-config) |
| $(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/) |
| $(call allow-override,LDCONFIG,ldconfig) |
| |
| EXT = -std=gnu99 |
| INSTALL = install |
| |
| # Use DESTDIR for installing into a different root directory. |
| # This is useful for building a package. The program will be |
| # installed in this directory as if it was the root directory. |
| # Then the build tool can move it later. |
| DESTDIR ?= |
| DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' |
| |
| LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) |
| ifeq ($(LP64), 1) |
| libdir_relative_temp = lib64 |
| else |
| libdir_relative_temp = lib |
| endif |
| |
| libdir_relative ?= $(libdir_relative_temp) |
| prefix ?= /usr/local |
| libdir ?= $(prefix)/$(libdir_relative) |
| man_dir ?= $(prefix)/share/man |
| man_dir_SQ = '$(subst ','\'',$(man_dir))' |
| pkgconfig_dir ?= $(word 1,$(shell $(PKG_CONFIG) \ |
| --variable pc_path pkg-config | tr ":" " ")) |
| includedir_relative = include/traceevent |
| includedir = $(prefix)/$(includedir_relative) |
| includedir_SQ = '$(subst ','\'',$(includedir))' |
| |
| export man_dir man_dir_SQ INSTALL |
| export DESTDIR DESTDIR_SQ |
| export EP_VERSION EVENT_PARSE_VERSION |
| |
| # copy a bit from Linux kbuild |
| |
| ifeq ("$(origin V)", "command line") |
| VERBOSE = $(V) |
| endif |
| ifndef VERBOSE |
| VERBOSE = 0 |
| endif |
| |
| SILENT := $(if $(findstring s,$(filter-out --%,$(MAKEFLAGS))),1) |
| |
| ifeq ("$(origin O)", "command line") |
| |
| saved-output := $(O) |
| BUILD_OUTPUT := $(shell cd $(O) && /bin/pwd) |
| $(if $(BUILD_OUTPUT),, \ |
| $(error output directory "$(saved-output)" does not exist)) |
| |
| else |
| BUILD_OUTPUT = $(CURDIR) |
| endif |
| |
| srctree := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR)) |
| objtree := $(BUILD_OUTPUT) |
| src := $(srctree) |
| obj := $(objtree) |
| bdir := $(obj)/lib |
| |
| export prefix src obj bdir |
| |
| PKG_CONFIG_SOURCE_FILE = libtraceevent.pc |
| PKG_CONFIG_FILE := $(addprefix $(obj)/,$(PKG_CONFIG_SOURCE_FILE)) |
| |
| export Q SILENT VERBOSE EXT |
| |
| # Include the utils |
| include scripts/utils.mk |
| |
| include $(src)/scripts/features.mk |
| |
| # Shell quotes |
| libdir_SQ = $(subst ','\'',$(libdir)) |
| libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) |
| |
| CONFIG_INCLUDES = |
| CONFIG_LIBS = |
| CONFIG_FLAGS = |
| |
| VERSION = $(EP_VERSION) |
| PATCHLEVEL = $(EP_PATCHLEVEL) |
| EXTRAVERSION = $(EP_EXTRAVERSION) |
| |
| OBJ = $@ |
| N = |
| |
| LIBTRACEEVENT_STATIC = $(bdir)/libtraceevent.a |
| LIBTRACEEVENT_SHARED = $(bdir)/libtraceevent.so.$(EVENT_PARSE_VERSION) |
| |
| EP_HEADERS_DIR = $(src)/include/traceevent |
| |
| INCLUDES = -I. -I $(srctree)/include -I $(EP_HEADERS_DIR) $(CONFIG_INCLUDES) |
| |
| export LIBTRACEEVENT_STATIC LIBTRACEEVENT_SHARED EP_HEADERS_DIR |
| |
| # Set compile option CFLAGS |
| ifdef EXTRA_CFLAGS |
| CFLAGS := $(EXTRA_CFLAGS) |
| else |
| CFLAGS := -g -Wall |
| endif |
| |
| LIBS ?= -ldl |
| export LIBS |
| |
| set_plugin_dir := 1 |
| |
| # Set plugin_dir to prefered global plugin location |
| # If we install under $HOME directory we go under |
| # $(HOME)/.local/lib/traceevent/plugins |
| # |
| # We dont set PLUGIN_DIR in case we install under $HOME |
| # directory, because by default the code looks under: |
| # $(HOME)/.local/lib/traceevent/plugins by default. |
| # |
| ifeq ($(plugin_dir),) |
| ifeq ($(prefix),$(HOME)) |
| override plugin_dir = $(HOME)/.local/lib/traceevent/plugins |
| set_plugin_dir := 0 |
| else |
| override plugin_dir = $(libdir)/traceevent/plugins |
| endif |
| export plugin_dir |
| endif |
| |
| ifeq ($(set_plugin_dir),1) |
| PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)" |
| PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))' |
| export PLUGIN_DIR PLUGIN_DIR_SQ |
| endif |
| |
| # Append required CFLAGS |
| override CFLAGS += -fPIC |
| override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ) |
| override CFLAGS += $(udis86-flags) -D_GNU_SOURCE |
| |
| # Make sure 32 bit stat() works on large file systems |
| override CFLAGS += -D_FILE_OFFSET_BITS=64 |
| |
| ifeq ($(VERBOSE),1) |
| Q = |
| else |
| Q = @ |
| endif |
| |
| # Disable command line variables (CFLAGS) override from top |
| # level Makefile (perf), otherwise build Makefile will get |
| # the same command line setup. |
| MAKEOVERRIDES= |
| |
| export srctree CC LD CFLAGS V |
| build := -f $(srctree)/build/Makefile.build dir=. obj |
| |
| LIB_TARGET := libtraceevent.so libtraceevent.a |
| |
| CMD_TARGETS = $(LIB_TARGET) $(PKG_CONFIG_FILE) |
| |
| TARGETS = $(CMD_TARGETS) |
| |
| all: all_cmd plugins |
| |
| $(bdir): |
| $(Q)mkdir -p $(bdir) |
| |
| LIB_TARGET = libtraceevent.a libtraceevent.so |
| LIB_INSTALL = libtraceevent.a libtraceevent.so* |
| LIB_INSTALL := $(addprefix $(bdir)/,$(LIB_INSTALL)) |
| |
| LIBTRACEEVENT_SHARED_SO = $(bdir)/libtraceevent.so |
| LIBTRACEEVENT_SHARED_VERSION = $(bdir)/libtraceevent.so.$(EP_VERSION) |
| |
| export LIBTRACEEVENT_SHARED_SO LIBTRACEEVENT_SHARED_VERSION |
| |
| all_cmd: $(CMD_TARGETS) |
| |
| libtraceevent.a: $(bdir) $(LIBTRACEEVENT_STATIC) |
| libtraceevent.so: $(bdir) $(LIBTRACEEVENT_SHARED) |
| |
| libs: libtraceevent.a libtraceevent.so |
| |
| $(LIBTRACEEVENT_STATIC): force |
| $(Q)$(call descend,$(src)/src,$@) |
| |
| $(LIBTRACEEVENT_SHARED): force |
| $(Q)$(call descend,$(src)/src,libtraceevent.so) |
| |
| $(bdir)/libtraceevent.so: $(bdir)/libtraceevent.so.$(EP_VERSION) |
| @ln -sf $(<F) $@ |
| |
| define make_version.h |
| (echo '/* This file is automatically generated. Do not modify. */'; \ |
| echo \#define VERSION_CODE $(shell \ |
| expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ |
| echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ |
| echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ |
| echo '#define FILE_VERSION '$(FILE_VERSION); \ |
| ) > $1 |
| endef |
| |
| define update_version.h |
| ($(call make_version.h, $@.tmp); \ |
| if [ -r $@ ] && cmp -s $@ $@.tmp; then \ |
| rm -f $@.tmp; \ |
| else \ |
| echo ' UPDATE $@'; \ |
| mv -f $@.tmp $@; \ |
| fi); |
| endef |
| |
| VERSION_FILE = $(obj)/ep_version.h |
| |
| $(VERSION_FILE): force |
| $(Q)$(N)$(call update_version.h) |
| |
| define update_dir |
| (echo $1 > $@.tmp; \ |
| if [ -r $@ ] && cmp -s $@ $@.tmp; then \ |
| rm -f $@.tmp; \ |
| else \ |
| echo ' UPDATE $@'; \ |
| mv -f $@.tmp $@; \ |
| fi); |
| endef |
| |
| UTEST_DIR = utest |
| |
| test: force $(LIBTRACEEVENT_STATIC) |
| $(Q)$(call descend,$(UTEST_DIR),test) |
| |
| VIM_TAGS = $(obj)/tags |
| EMACS_TAGS = $(obj)/TAGS |
| |
| $(VIM_TAGS): force |
| $(RM) $(VIM_TAGS) |
| find $(src) -name '*.[ch]' | (cd $(obj) && xargs ctags --extra=+f --c-kinds=+px \ |
| --regex-c++='/_PE\(([^,)]*).*/TEP_ERRNO__\1/') |
| |
| tags: $(VIM_TAGS) |
| |
| $(EMACS_TAGS): force |
| $(RM) $(EMACS_TAGS) |
| find $(src) -name '*.[ch]' | (cd $(obj) && xargs etags \ |
| --regex='/_PE(\([^,)]*\).*/TEP_ERRNO__\1/') |
| |
| TAGS: $(EMACS_TAGS) |
| |
| define build_prefix |
| (echo $1 > $@.tmp; \ |
| if [ -r $@ ] && cmp -s $@ $@.tmp; then \ |
| rm -f $@.tmp; \ |
| else \ |
| $(PRINT_GEN) \ |
| mv -f $@.tmp $@; \ |
| fi); |
| endef |
| |
| BUILD_PREFIX := $(obj)/build_prefix |
| |
| $(BUILD_PREFIX): force |
| $(Q)$(call build_prefix,$(prefix)) |
| |
| define do_make_pkgconfig_file |
| cp -f ${PKG_CONFIG_SOURCE_FILE}.template ${PKG_CONFIG_FILE}; \ |
| sed -i "s|INSTALL_PREFIX|${1}|g" ${PKG_CONFIG_FILE}; \ |
| sed -i "s|LIB_VERSION|${EVENT_PARSE_VERSION}|g" ${PKG_CONFIG_FILE}; \ |
| sed -i "s|LIB_DIR|${libdir_relative}|g" ${PKG_CONFIG_FILE}; \ |
| sed -i "s|HEADER_DIR|$(includedir_relative)|g" ${PKG_CONFIG_FILE}; |
| endef |
| |
| $(PKG_CONFIG_FILE) : ${PKG_CONFIG_SOURCE_FILE}.template $(BUILD_PREFIX) $(VERSION_FILE) |
| $(Q)$(print_gen)$(call do_make_pkgconfig_file,$(prefix)) |
| |
| define do_install_pkgconfig_file |
| if [ -n "${pkgconfig_dir}" ]; then \ |
| $(call do_install,$(PKG_CONFIG_FILE),$(pkgconfig_dir),644); \ |
| else \ |
| (echo Failed to locate pkg-config directory) 1>&2; \ |
| fi |
| endef |
| |
| |
| ifeq ("$(DESTDIR)", "") |
| # If DESTDIR is not defined, then test if after installing the library |
| # and running ldconfig, if the library is visible by ld.so. |
| # If not, add the path to /etc/ld.so.conf.d/trace.conf and run ldconfig again. |
| define install_ld_config |
| if $(LDCONFIG); then \ |
| if ! grep -q "^$(libdir)$$" $(LD_SO_CONF_PATH)/* ; then \ |
| $(CC) -o $(objtree)/test $(srctree)/test.c -I $(includedir_SQ) \ |
| -L $(libdir_SQ) -ltraceevent &> /dev/null; \ |
| if ! $(objtree)/test &> /dev/null; then \ |
| $(call print_install, trace.conf, $(LD_SO_CONF_PATH)) \ |
| echo $(libdir_SQ) >> $(LD_SO_CONF_PATH)/trace.conf; \ |
| $(LDCONFIG); \ |
| fi; \ |
| $(RM) $(objtree)/test; \ |
| fi; \ |
| fi |
| endef |
| else |
| # If installing to a location for another machine or package, do not bother |
| # with running ldconfig. |
| define install_ld_config |
| endef |
| endif # DESTDIR = "" |
| |
| install: install_libs install_plugins |
| |
| install_libs: libs install_headers install_pkgconfig |
| $(Q)$(call do_install,$(LIBTRACEEVENT_SHARED),$(libdir_SQ)); \ |
| cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ) |
| $(Q)$(call install_ld_config) |
| |
| install_pkgconfig: $(PKG_CONFIG_FILE) |
| $(Q)$(call do_install_pkgconfig_file,$(prefix)) |
| |
| install_headers: |
| $(Q)$(call do_install,$(EP_HEADERS_DIR)/event-parse.h,$(includedir_SQ),644); |
| $(Q)$(call do_install,$(EP_HEADERS_DIR)/event-utils.h,$(includedir_SQ),644); |
| $(Q)$(call do_install,$(EP_HEADERS_DIR)/trace-seq.h,$(includedir_SQ),644); |
| $(Q)$(call do_install,$(EP_HEADERS_DIR)/kbuffer.h,$(includedir_SQ),644) |
| |
| install: install_libs |
| |
| clean: clean_plugins clean_src |
| $(Q)$(call do_clean,\ |
| $(VERSION_FILE) $(obj)/tags $(obj)/TAGS $(PKG_CONFIG_FILE) \ |
| $(LIBTRACEEVENT_STATIC) $(LIBTRACEEVENT_SHARED) \ |
| $(LIBTRACEEVENT_SHARED_SO) $(LIBTRACEEVENT_SHARED_VERSION) \ |
| $(BUILD_PREFIX)) |
| |
| define build_uninstall_script |
| $(Q)mkdir $(BUILD_OUTPUT)/tmp_build |
| $(Q)$(MAKE) -C $(srctree) DESTDIR=$(BUILD_OUTPUT)/tmp_build/ O=$(BUILD_OUTPUT) $1 > /dev/null |
| $(Q)find $(BUILD_OUTPUT)/tmp_build ! -type d -printf "%P\n" > $(BUILD_OUTPUT)/build_$2 |
| $(Q)$(RM) -rf $(BUILD_OUTPUT)/tmp_build |
| endef |
| |
| build_uninstall: $(BUILD_PREFIX) |
| $(call build_uninstall_script,install,uninstall) |
| |
| $(BUILD_OUTPUT)/build_uninstall: build_uninstall |
| |
| define uninstall_file |
| if [ -f $(DESTDIR)/$1 -o -h $(DESTDIR)/$1 ]; then \ |
| $(call PRINT_UNINST,$(DESTDIR)$1)$(RM) $(DESTDIR)/$1; \ |
| fi; |
| endef |
| |
| uninstall: $(BUILD_OUTPUT)/build_uninstall |
| @$(foreach file,$(shell cat $(BUILD_OUTPUT)/build_uninstall),$(call uninstall_file,$(file))) |
| |
| PHONY += doc |
| doc: check_doc |
| $(Q)$(call descend,$(src)/Documentation,) |
| |
| PHONY += doc-clean |
| doc-clean: |
| $(MAKE) -C $(src)/Documentation clean |
| |
| PHONY += doc-install |
| doc-install: |
| $(Q)$(call descend,$(src)/Documentation,install) |
| |
| check_doc: force |
| $(Q)$(src)/check-manpages.sh $(src)/Documentation |
| |
| |
| PHONY += doc-uninstall |
| doc-uninstall: |
| $(MAKE) -C $(src)/Documentation uninstall |
| |
| PHONY += help |
| help: |
| @echo 'Possible targets:' |
| @echo'' |
| @echo ' all - default, compile the library and the'\ |
| 'plugins' |
| @echo ' plugins - compile the plugins' |
| @echo ' install - install the library, the plugins,'\ |
| 'the header and pkgconfig files' |
| @echo ' clean - clean the library and the plugins object files' |
| @echo ' doc - compile the documentation files - man'\ |
| 'and html pages, in the Documentation directory' |
| @echo ' doc-clean - clean the documentation files' |
| @echo ' doc-install - install the man pages' |
| @echo ' doc-uninstall - uninstall the man pages' |
| @echo'' |
| |
| PHONY += plugins |
| plugins: |
| $(Q)$(call descend,plugins,) |
| |
| PHONY += install_plugins |
| install_plugins: plugins |
| $(Q)$(call descend,plugins,install) |
| |
| samples: libtraceevent.a force |
| $(Q)$(call descend,$(src)/samples,all) |
| |
| PHONY += clean_plugins |
| clean_plugins: |
| $(Q)$(call descend_clean,plugins) |
| |
| PHONY += clean_src |
| clean_src: |
| $(Q)$(call descend_clean,src) |
| |
| force: |
| |
| # Declare the contents of the .PHONY variable as phony. We keep that |
| # information in a variable so we can use it in if_changed and friends. |
| .PHONY: $(PHONY) |