| # SPDX-License-Identifier: GPL-2.0 |
| |
| #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) |
| $(call allow-override,PKG_CONFIG,pkg-config) |
| |
| EXT = -std=gnu99 |
| INSTALL = install |
| |
| # Use DESTDIR for installing into a different root directory. |
| # This is useful for building a package. The program will be |
| # installed in this directory as if it was the root directory. |
| # Then the build tool can move it later. |
| DESTDIR ?= |
| DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' |
| |
| LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) |
| ifeq ($(LP64), 1) |
| libdir_relative = lib64 |
| else |
| libdir_relative = lib |
| endif |
| |
| prefix ?= /usr/local |
| libdir = $(prefix)/$(libdir_relative) |
| |
| 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 = $(libdir)/traceevent/plugins |
| endif |
| endif |
| |
| ifeq ($(set_plugin_dir),1) |
| PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)" |
| PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))' |
| endif |
| |
| include ../../../scripts/Makefile.include |
| |
| # copy a bit from Linux kbuild |
| |
| ifeq ("$(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))) |
| srctree := $(patsubst %/,%,$(dir $(srctree))) |
| #$(info Determined 'srctree' to be $(srctree)) |
| endif |
| |
| export prefix libdir src obj |
| |
| # Shell quotes |
| plugin_dir_SQ = $(subst ','\'',$(plugin_dir)) |
| |
| CONFIG_INCLUDES = |
| CONFIG_LIBS = |
| CONFIG_FLAGS = |
| |
| OBJ = $@ |
| N = |
| |
| INCLUDES = -I. -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 |
| |
| DYNAMIC_LIST_FILE := $(OUTPUT)libtraceevent-dynamic-list |
| |
| PLUGINS = plugin_jbd2.so |
| PLUGINS += plugin_hrtimer.so |
| PLUGINS += plugin_kmem.so |
| PLUGINS += plugin_kvm.so |
| PLUGINS += plugin_mac80211.so |
| PLUGINS += plugin_sched_switch.so |
| PLUGINS += plugin_function.so |
| PLUGINS += plugin_xen.so |
| PLUGINS += plugin_scsi.so |
| PLUGINS += plugin_cfg80211.so |
| |
| PLUGINS := $(addprefix $(OUTPUT),$(PLUGINS)) |
| PLUGINS_IN := $(PLUGINS:.so=-in.o) |
| |
| plugins: $(PLUGINS) $(DYNAMIC_LIST_FILE) |
| |
| __plugin_obj = $(notdir $@) |
| plugin_obj = $(__plugin_obj:-in.o=) |
| |
| $(PLUGINS_IN): force |
| $(Q)$(MAKE) $(build)=$(plugin_obj) |
| |
| $(OUTPUT)libtraceevent-dynamic-list: $(PLUGINS) |
| $(QUIET_GEN)$(call do_generate_dynamic_list_file, $(PLUGINS), $@) |
| |
| $(OUTPUT)%.so: $(OUTPUT)%-in.o |
| $(QUIET_LINK)$(CC) $(CFLAGS) -shared $(LDFLAGS) -nostartfiles -o $@ $^ |
| |
| 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 |
| |
| define do_install_plugins |
| for plugin in $1; do \ |
| $(call do_install,$$plugin,$(plugin_dir_SQ)); \ |
| done |
| endef |
| |
| define do_generate_dynamic_list_file |
| symbol_type=`$(NM) -u -D $1 | awk 'NF>1 {print $$1}' | \ |
| xargs echo "U w W" | tr 'w ' 'W\n' | sort -u | xargs echo`;\ |
| if [ "$$symbol_type" = "U W" ];then \ |
| (echo '{'; \ |
| $(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u;\ |
| echo '};'; \ |
| ) > $2; \ |
| else \ |
| (echo Either missing one of [$1] or bad version of $(NM)) 1>&2;\ |
| fi |
| endef |
| |
| install: $(PLUGINS) |
| $(call QUIET_INSTALL, trace_plugins) \ |
| $(call do_install_plugins, $(PLUGINS)) |
| |
| clean: |
| $(call QUIET_CLEAN, trace_plugins) \ |
| $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd; \ |
| $(RM) $(OUTPUT)libtraceevent-dynamic-list \ |
| $(RM) TRACEEVENT-CFLAGS tags TAGS; |
| |
| PHONY += force plugins |
| 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) |