diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 443 |
1 files changed, 443 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..20d90be --- /dev/null +++ b/Makefile @@ -0,0 +1,443 @@ +# 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) |