diff options
Diffstat (limited to 'tools/lib/traceevent/Makefile')
| -rw-r--r-- | tools/lib/traceevent/Makefile | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile new file mode 100644 index 000000000..c874c017c --- /dev/null +++ b/tools/lib/traceevent/Makefile @@ -0,0 +1,300 @@ +# SPDX-License-Identifier: GPL-2.0 +# trace-cmd version +EP_VERSION = 1 +EP_PATCHLEVEL = 1 +EP_EXTRAVERSION = 0 + +# file format version +FILE_VERSION = 6 + +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) + +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 = traceevent +includedir = $(prefix)/include/$(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 + +# copy a bit from Linux kbuild + +ifeq ("$(origin V)", "command line") + VERBOSE = $(V) +endif +ifndef VERBOSE + VERBOSE = 0 +endif + +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(CURDIR))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +#$(info Determined 'srctree' to be $(srctree)) +endif + +export prefix libdir src obj + +# 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).$(EP_EXTRAVERSION) + +LIB_TARGET = libtraceevent.a libtraceevent.so.$(EVENT_PARSE_VERSION) +LIB_INSTALL = libtraceevent.a libtraceevent.so* +LIB_INSTALL := $(addprefix $(OUTPUT),$(LIB_INSTALL)) + +INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES) + +# Set compile option CFLAGS +ifdef EXTRA_CFLAGS + CFLAGS := $(EXTRA_CFLAGS) +else + CFLAGS := -g -Wall +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)/tools/build/Makefile.build dir=. obj + +TE_IN := $(OUTPUT)libtraceevent-in.o +LIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET)) + +CMD_TARGETS = $(LIB_TARGET) + +TARGETS = $(CMD_TARGETS) + +all: all_cmd plugins + +all_cmd: $(CMD_TARGETS) + +$(TE_IN): force + $(Q)$(MAKE) $(build)=libtraceevent + +$(OUTPUT)libtraceevent.so.$(EVENT_PARSE_VERSION): $(TE_IN) + $(QUIET_LINK)$(CC) --shared $(LDFLAGS) $^ -Wl,-soname,libtraceevent.so.$(EP_VERSION) -o $@ + @ln -sf $(@F) $(OUTPUT)libtraceevent.so + @ln -sf $(@F) $(OUTPUT)libtraceevent.so.$(EP_VERSION) + +$(OUTPUT)libtraceevent.a: $(TE_IN) + $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^ + +$(OUTPUT)%.so: $(OUTPUT)%-in.o + $(QUIET_LINK)$(CC) $(CFLAGS) -shared $(LDFLAGS) -nostartfiles -o $@ $^ + +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 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 + +PKG_CONFIG_SOURCE_FILE = libtraceevent.pc +PKG_CONFIG_FILE := $(addprefix $(OUTPUT),$(PKG_CONFIG_SOURCE_FILE)) +define do_install_pkgconfig_file + if [ -n "${pkgconfig_dir}" ]; then \ + 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}|g" ${PKG_CONFIG_FILE}; \ + sed -i "s|HEADER_DIR|$(includedir)|g" ${PKG_CONFIG_FILE}; \ + $(call do_install,$(PKG_CONFIG_FILE),$(pkgconfig_dir),644); \ + else \ + (echo Failed to locate pkg-config directory) 1>&2; \ + fi +endef + +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) + +install_pkgconfig: + $(call QUIET_INSTALL, $(PKG_CONFIG_FILE)) \ + $(call do_install_pkgconfig_file,$(prefix)) + +install_headers: + $(call QUIET_INSTALL, headers) \ + $(call do_install,event-parse.h,$(includedir_SQ),644); \ + $(call do_install,event-utils.h,$(includedir_SQ),644); \ + $(call do_install,trace-seq.h,$(includedir_SQ),644); \ + $(call do_install,kbuffer.h,$(includedir_SQ),644) + +install: install_lib + +clean: clean_plugins + $(call QUIET_CLEAN, libtraceevent) \ + $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd; \ + $(RM) TRACEEVENT-CFLAGS tags TAGS; \ + $(RM) $(PKG_CONFIG_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) + +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) |