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300 lines
8.1 KiB
300 lines
8.1 KiB
# SPDX-License-Identifier: GPL-2.0 |
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# trace-cmd version |
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EP_VERSION = 1 |
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EP_PATCHLEVEL = 1 |
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EP_EXTRAVERSION = 0 |
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# file format version |
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FILE_VERSION = 6 |
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MAKEFLAGS += --no-print-directory |
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# Makefiles suck: This macro sets a default value of $(2) for the |
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# variable named by $(1), unless the variable has been set by |
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# environment or command line. This is necessary for CC and AR |
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# because make sets default values, so the simpler ?= approach |
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# won't work as expected. |
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define allow-override |
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$(if $(or $(findstring environment,$(origin $(1))),\ |
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$(findstring command line,$(origin $(1)))),,\ |
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$(eval $(1) = $(2))) |
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endef |
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# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix. |
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$(call allow-override,CC,$(CROSS_COMPILE)gcc) |
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$(call allow-override,AR,$(CROSS_COMPILE)ar) |
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$(call allow-override,NM,$(CROSS_COMPILE)nm) |
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$(call allow-override,PKG_CONFIG,pkg-config) |
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EXT = -std=gnu99 |
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INSTALL = install |
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# Use DESTDIR for installing into a different root directory. |
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# This is useful for building a package. The program will be |
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# installed in this directory as if it was the root directory. |
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# Then the build tool can move it later. |
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DESTDIR ?= |
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DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' |
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LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) |
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ifeq ($(LP64), 1) |
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libdir_relative_temp = lib64 |
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else |
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libdir_relative_temp = lib |
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endif |
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libdir_relative ?= $(libdir_relative_temp) |
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prefix ?= /usr/local |
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libdir = $(prefix)/$(libdir_relative) |
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man_dir = $(prefix)/share/man |
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man_dir_SQ = '$(subst ','\'',$(man_dir))' |
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pkgconfig_dir ?= $(word 1,$(shell $(PKG_CONFIG) \ |
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--variable pc_path pkg-config | tr ":" " ")) |
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includedir_relative = traceevent |
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includedir = $(prefix)/include/$(includedir_relative) |
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includedir_SQ = '$(subst ','\'',$(includedir))' |
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export man_dir man_dir_SQ INSTALL |
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export DESTDIR DESTDIR_SQ |
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export EVENT_PARSE_VERSION |
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include ../../scripts/Makefile.include |
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# copy a bit from Linux kbuild |
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ifeq ("$(origin V)", "command line") |
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VERBOSE = $(V) |
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endif |
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ifndef VERBOSE |
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VERBOSE = 0 |
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endif |
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ifeq ($(srctree),) |
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srctree := $(patsubst %/,%,$(dir $(CURDIR))) |
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srctree := $(patsubst %/,%,$(dir $(srctree))) |
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srctree := $(patsubst %/,%,$(dir $(srctree))) |
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#$(info Determined 'srctree' to be $(srctree)) |
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endif |
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export prefix libdir src obj |
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# Shell quotes |
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libdir_SQ = $(subst ','\'',$(libdir)) |
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libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) |
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CONFIG_INCLUDES = |
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CONFIG_LIBS = |
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CONFIG_FLAGS = |
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VERSION = $(EP_VERSION) |
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PATCHLEVEL = $(EP_PATCHLEVEL) |
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EXTRAVERSION = $(EP_EXTRAVERSION) |
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OBJ = $@ |
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N = |
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EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION) |
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LIB_TARGET = libtraceevent.a libtraceevent.so.$(EVENT_PARSE_VERSION) |
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LIB_INSTALL = libtraceevent.a libtraceevent.so* |
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LIB_INSTALL := $(addprefix $(OUTPUT),$(LIB_INSTALL)) |
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INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES) |
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# Set compile option CFLAGS |
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ifdef EXTRA_CFLAGS |
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CFLAGS := $(EXTRA_CFLAGS) |
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else |
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CFLAGS := -g -Wall |
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endif |
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# Append required CFLAGS |
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override CFLAGS += -fPIC |
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override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ) |
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override CFLAGS += $(udis86-flags) -D_GNU_SOURCE |
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ifeq ($(VERBOSE),1) |
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Q = |
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else |
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Q = @ |
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endif |
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# Disable command line variables (CFLAGS) override from top |
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# level Makefile (perf), otherwise build Makefile will get |
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# the same command line setup. |
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MAKEOVERRIDES= |
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export srctree OUTPUT CC LD CFLAGS V |
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build := -f $(srctree)/tools/build/Makefile.build dir=. obj |
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TE_IN := $(OUTPUT)libtraceevent-in.o |
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LIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET)) |
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CMD_TARGETS = $(LIB_TARGET) |
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TARGETS = $(CMD_TARGETS) |
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all: all_cmd plugins |
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all_cmd: $(CMD_TARGETS) |
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$(TE_IN): force |
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$(Q)$(MAKE) $(build)=libtraceevent |
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$(OUTPUT)libtraceevent.so.$(EVENT_PARSE_VERSION): $(TE_IN) |
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$(QUIET_LINK)$(CC) --shared $(LDFLAGS) $^ -Wl,-soname,libtraceevent.so.$(EP_VERSION) -o $@ |
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@ln -sf $(@F) $(OUTPUT)libtraceevent.so |
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@ln -sf $(@F) $(OUTPUT)libtraceevent.so.$(EP_VERSION) |
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$(OUTPUT)libtraceevent.a: $(TE_IN) |
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$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^ |
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$(OUTPUT)%.so: $(OUTPUT)%-in.o |
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$(QUIET_LINK)$(CC) $(CFLAGS) -shared $(LDFLAGS) -nostartfiles -o $@ $^ |
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define make_version.h |
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(echo '/* This file is automatically generated. Do not modify. */'; \ |
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echo \#define VERSION_CODE $(shell \ |
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expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ |
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echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ |
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echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ |
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echo '#define FILE_VERSION '$(FILE_VERSION); \ |
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) > $1 |
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endef |
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define update_version.h |
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($(call make_version.h, $@.tmp); \ |
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if [ -r $@ ] && cmp -s $@ $@.tmp; then \ |
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rm -f $@.tmp; \ |
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else \ |
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echo ' UPDATE $@'; \ |
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mv -f $@.tmp $@; \ |
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fi); |
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endef |
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ep_version.h: force |
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$(Q)$(N)$(call update_version.h) |
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VERSION_FILES = ep_version.h |
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define update_dir |
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(echo $1 > $@.tmp; \ |
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if [ -r $@ ] && cmp -s $@ $@.tmp; then \ |
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rm -f $@.tmp; \ |
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else \ |
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echo ' UPDATE $@'; \ |
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mv -f $@.tmp $@; \ |
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fi); |
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endef |
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tags: force |
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$(RM) tags |
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find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \ |
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--regex-c++='/_PE\(([^,)]*).*/TEP_ERRNO__\1/' |
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TAGS: force |
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$(RM) TAGS |
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find . -name '*.[ch]' | xargs etags \ |
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--regex='/_PE(\([^,)]*\).*/TEP_ERRNO__\1/' |
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define do_install_mkdir |
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if [ ! -d '$(DESTDIR_SQ)$1' ]; then \ |
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$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \ |
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fi |
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endef |
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define do_install |
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$(call do_install_mkdir,$2); \ |
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$(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2' |
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endef |
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PKG_CONFIG_SOURCE_FILE = libtraceevent.pc |
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PKG_CONFIG_FILE := $(addprefix $(OUTPUT),$(PKG_CONFIG_SOURCE_FILE)) |
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define do_install_pkgconfig_file |
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if [ -n "${pkgconfig_dir}" ]; then \ |
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cp -f ${PKG_CONFIG_SOURCE_FILE}.template ${PKG_CONFIG_FILE}; \ |
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sed -i "s|INSTALL_PREFIX|${1}|g" ${PKG_CONFIG_FILE}; \ |
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sed -i "s|LIB_VERSION|${EVENT_PARSE_VERSION}|g" ${PKG_CONFIG_FILE}; \ |
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sed -i "s|LIB_DIR|${libdir}|g" ${PKG_CONFIG_FILE}; \ |
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sed -i "s|HEADER_DIR|$(includedir)|g" ${PKG_CONFIG_FILE}; \ |
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$(call do_install,$(PKG_CONFIG_FILE),$(pkgconfig_dir),644); \ |
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else \ |
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(echo Failed to locate pkg-config directory) 1>&2; \ |
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fi |
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endef |
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install_lib: all_cmd install_plugins install_headers install_pkgconfig |
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$(call QUIET_INSTALL, $(LIB_TARGET)) \ |
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$(call do_install_mkdir,$(libdir_SQ)); \ |
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cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ) |
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install_pkgconfig: |
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$(call QUIET_INSTALL, $(PKG_CONFIG_FILE)) \ |
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$(call do_install_pkgconfig_file,$(prefix)) |
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install_headers: |
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$(call QUIET_INSTALL, headers) \ |
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$(call do_install,event-parse.h,$(includedir_SQ),644); \ |
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$(call do_install,event-utils.h,$(includedir_SQ),644); \ |
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$(call do_install,trace-seq.h,$(includedir_SQ),644); \ |
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$(call do_install,kbuffer.h,$(includedir_SQ),644) |
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install: install_lib |
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clean: clean_plugins |
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$(call QUIET_CLEAN, libtraceevent) \ |
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$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd; \ |
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$(RM) TRACEEVENT-CFLAGS tags TAGS; \ |
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$(RM) $(PKG_CONFIG_FILE) |
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PHONY += doc |
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doc: |
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$(call descend,Documentation) |
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PHONY += doc-clean |
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doc-clean: |
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$(call descend,Documentation,clean) |
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PHONY += doc-install |
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doc-install: |
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$(call descend,Documentation,install) |
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PHONY += doc-uninstall |
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doc-uninstall: |
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$(call descend,Documentation,uninstall) |
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PHONY += help |
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help: |
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@echo 'Possible targets:' |
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@echo'' |
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@echo ' all - default, compile the library and the'\ |
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'plugins' |
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@echo ' plugins - compile the plugins' |
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@echo ' install - install the library, the plugins,'\ |
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'the header and pkgconfig files' |
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@echo ' clean - clean the library and the plugins object files' |
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@echo ' doc - compile the documentation files - man'\ |
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'and html pages, in the Documentation directory' |
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@echo ' doc-clean - clean the documentation files' |
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@echo ' doc-install - install the man pages' |
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@echo ' doc-uninstall - uninstall the man pages' |
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@echo'' |
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PHONY += plugins |
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plugins: |
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$(call descend,plugins) |
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PHONY += install_plugins |
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install_plugins: |
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$(call descend,plugins,install) |
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PHONY += clean_plugins |
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clean_plugins: |
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$(call descend,plugins,clean) |
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force: |
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# Declare the contents of the .PHONY variable as phony. We keep that |
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# information in a variable so we can use it in if_changed and friends. |
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.PHONY: $(PHONY)
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