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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/tools/lib/traceevent/Makefile

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Makefile
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# 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)
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