| # SPDX-License-Identifier: GPL-2.0 |
| # libtraceevent version |
| EP_VERSION = 1 |
| EP_PATCHLEVEL = 3 |
| EP_EXTRAVERSION = 0 |
| |
| 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 EVENT_PARSE_VERSION |
| |
| include scripts/Makefile.include |
| |
| PKG_CONFIG_SOURCE_FILE = libtraceevent.pc |
| PKG_CONFIG_FILE := $(addprefix $(OUTPUT),$(PKG_CONFIG_SOURCE_FILE)) |
| |
| # copy a bit from Linux kbuild |
| |
| ifeq ("$(origin V)", "command line") |
| VERBOSE = $(V) |
| endif |
| ifndef VERBOSE |
| VERBOSE = 0 |
| endif |
| |
| ifeq ($(srctree),) |
| srctree := $(CURDIR) |
| #$(info Determined 'srctree' to be $(srctree)) |
| endif |
| |
| export prefix libdir |
| |
| # 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 = |
| |
| EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION) |
| |
| bdir = lib |
| |
| export bdir |
| |
| LIBTRACEEVENT_STATIC = $(bdir)/libtraceevent.a |
| LIBTRACEEVENT_SHARED = $(bdir)/libtraceevent.so.$(EVENT_PARSE_VERSION) |
| |
| LIB_TARGET = $(LIBTRACEEVENT_STATIC) $(bdir)/libtraceevent.so $(bdir)/libtraceevent.so.$(EP_VERSION) $(LIBTRACEEVENT_SHARED) |
| LIB_INSTALL = $(LIBTRACEEVENT_STATIC) $(bdir)/libtraceevent.so* |
| LIB_INSTALL := $(addprefix $(OUTPUT),$(LIB_INSTALL)) |
| |
| INCLUDES = -I. -I $(srctree)/include $(CONFIG_INCLUDES) |
| |
| # Set compile option CFLAGS |
| ifdef EXTRA_CFLAGS |
| CFLAGS := $(EXTRA_CFLAGS) |
| else |
| CFLAGS := -g -Wall |
| endif |
| |
| LIBS = -ldl |
| |
| set_plugin_dir := 1 |
| |
| # Set plugin_dir to preffered 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 += $(udis86-flags) -D_GNU_SOURCE |
| |
| ifeq ($(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 OUTPUT CC LD CFLAGS V |
| build := -f $(srctree)/build/Makefile.build dir=. obj |
| |
| TE_IN := $(OUTPUT)src/libtraceevent-in.o |
| LIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET)) |
| |
| CMD_TARGETS = $(LIB_TARGET) $(PKG_CONFIG_FILE) |
| |
| TARGETS = $(CMD_TARGETS) |
| |
| all: all_cmd plugins |
| |
| all_cmd: $(CMD_TARGETS) |
| |
| $(TE_IN): force |
| $(Q)$(call descend,src,libtraceevent) |
| |
| $(OUTPUT)$(LIBTRACEEVENT_SHARED): $(TE_IN) |
| $(Q)mkdir -p $(OUTPUT)$(bdir) |
| $(QUIET_LINK)$(CC) --shared $(LDFLAGS) $^ -Wl,-soname,libtraceevent.so.$(EP_VERSION) -o $@ $(LIBS) |
| |
| $(OUTPUT)$(bdir)/libtraceevent.so: $(OUTPUT)$(bdir)/libtraceevent.so.$(EP_VERSION) |
| @ln -sf $(<F) $@ |
| |
| $(OUTPUT)$(bdir)/libtraceevent.so.$(EP_VERSION): $(OUTPUT)$(LIBTRACEEVENT_SHARED) |
| @ln -sf $(<F) $@ |
| |
| $(OUTPUT)$(LIBTRACEEVENT_STATIC): $(TE_IN) |
| $(Q)mkdir -p $(OUTPUT)$(bdir) |
| $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^ |
| |
| $(OUTPUT)$(bdir)/%.so: $(OUTPUT)%-in.o |
| $(QUIET_LINK)$(CC) $(CFLAGS) -shared $(LDFLAGS) -nostartfiles -o $@ $^ $(LIBS) |
| |
| 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 |
| |
| ep_version.h: force |
| $(Q)$(N)$(call update_version.h) |
| |
| VERSION_FILES = ep_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 |
| |
| tags: force |
| $(RM) tags |
| find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \ |
| --regex-c++='/_PE\(([^,)]*).*/TEP_ERRNO__\1/' |
| |
| TAGS: force |
| $(RM) TAGS |
| find . -name '*.[ch]' | xargs etags \ |
| --regex='/_PE(\([^,)]*\).*/TEP_ERRNO__\1/' |
| |
| 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 := $(OUTPUT)build_prefix |
| |
| $(BUILD_PREFIX): force |
| $(Q)$(call build_prefix,$(prefix)) |
| |
| define do_install_mkdir |
| if [ ! -d '$(DESTDIR_SQ)$1' ]; then \ |
| $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \ |
| fi |
| endef |
| |
| define do_install |
| $(call do_install_mkdir,$2); \ |
| $(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2' |
| endef |
| |
| 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_FILES) |
| $(QUIET_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 $(OUTPUT)test $(srctree)/test.c -I $(includedir_SQ) \ |
| -L $(libdir_SQ) -ltraceevent &>/dev/null; \ |
| if ! $(OUTPUT)test &> /dev/null; then \ |
| $(call PRINT_INSTALL, trace.conf) \ |
| echo $(libdir_SQ) >> $(LD_SO_CONF_PATH)/trace.conf; \ |
| $(LDCONFIG); \ |
| fi; \ |
| $(RM) $(OUTPUT)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_lib: all_cmd install_plugins install_headers install_pkgconfig |
| $(call QUIET_INSTALL, $(LIB_TARGET)) \ |
| $(call do_install_mkdir,$(libdir_SQ)); \ |
| cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ); \ |
| $(call install_ld_config) |
| |
| install_pkgconfig: $(PKG_CONFIG_FILE) |
| $(call QUIET_INSTALL, $(PKG_CONFIG_FILE)) \ |
| $(call do_install_pkgconfig_file,$(prefix)) |
| |
| install_headers: |
| $(call QUIET_INSTALL, headers) \ |
| $(call do_install,src/event-parse.h,$(includedir_SQ),644); \ |
| $(call do_install,src/event-utils.h,$(includedir_SQ),644); \ |
| $(call do_install,src/trace-seq.h,$(includedir_SQ),644); \ |
| $(call do_install,src/kbuffer.h,$(includedir_SQ),644) |
| |
| install: install_lib |
| |
| clean: clean_plugins clean_src |
| $(call QUIET_CLEAN, libtraceevent) \ |
| $(RM) $(OUTPUT)*.o $(OUTPUT)*~ $(TARGETS) $(OUTPUT)*.a $(OUTPUT)*.so $(VERSION_FILES) $(OUTPUT).*.d $(OUTPUT).*.cmd; \ |
| $(RM) TRACEEVENT-CFLAGS $(OUTPUT)tags $(OUTPUT)TAGS; \ |
| $(RM) $(PKG_CONFIG_FILE) |
| ifneq ($(OUTPUT),) |
| else |
| BUILD_OUTPUT := $(shell pwd) |
| endif |
| |
| 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: |
| $(call descend,Documentation) |
| |
| PHONY += doc-clean |
| doc-clean: |
| $(call descend,Documentation,clean) |
| |
| PHONY += doc-install |
| doc-install: |
| $(call descend,Documentation,install) |
| |
| PHONY += doc-uninstall |
| doc-uninstall: |
| $(call descend,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: |
| $(call descend,plugins) |
| |
| PHONY += install_plugins |
| install_plugins: |
| $(call descend,plugins,install) |
| |
| PHONY += clean_plugins |
| clean_plugins: |
| $(call descend,plugins,clean) |
| |
| PHONY += clean_src |
| clean_src: |
| $(call descend,src,clean) |
| |
| 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) |