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-rw-r--r--Makefile397
1 files changed, 397 insertions, 0 deletions
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..61ed976
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,397 @@
+# SPDX-License-Identifier: LGPL-2.1
+# libtracefs version
+TFS_VERSION = 1
+TFS_PATCHLEVEL = 6
+TFS_EXTRAVERSION = 4
+TRACEFS_VERSION = $(TFS_VERSION).$(TFS_PATCHLEVEL).$(TFS_EXTRAVERSION)
+
+export TFS_VERSION
+export TFS_PATCHLEVEL
+export TFS_EXTRAVERSION
+export TRACEFS_VERSION
+
+LIBTRACEEVENT_MIN_VERSION = 1.3
+
+# taken from trace-cmd
+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,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
+man_dir ?= $(prefix)/share/man
+man_dir_SQ = '$(subst ','\'',$(man_dir))'
+libdir ?= $(prefix)/$(libdir_relative)
+libdir_SQ = '$(subst ','\'',$(libdir))'
+includedir_relative ?= include/tracefs
+includedir ?= $(prefix)/$(includedir_relative)
+includedir_SQ = '$(subst ','\'',$(includedir))'
+pkgconfig_dir ?= $(word 1,$(shell $(PKG_CONFIG) \
+ --variable pc_path pkg-config | tr ":" " "))
+
+TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 && echo y")
+
+ifeq ("$(TEST_LIBTRACEEVENT)", "y")
+LIBTRACEEVENT_INCLUDES = $(shell sh -c "$(PKG_CONFIG) --cflags libtraceevent")
+LIBTRACEEVENT_LIBS = $(shell sh -c "$(PKG_CONFIG) --libs libtraceevent")
+else
+ ifneq ($(MAKECMDGOALS),clean)
+ $(error libtraceevent.so minimum version of $(LIBTRACEEVENT_MIN_VERSION) not installed)
+ endif
+endif
+
+etcdir ?= /etc
+etcdir_SQ = '$(subst ','\'',$(etcdir))'
+
+export man_dir man_dir_SQ html_install html_install_SQ INSTALL
+export img_install img_install_SQ
+export DESTDIR DESTDIR_SQ
+
+pound := \#
+
+HELP_DIR = -DHELP_DIR=$(html_install)
+HELP_DIR_SQ = '$(subst ','\'',$(HELP_DIR))'
+#' emacs highlighting gets confused by the above escaped quote.
+
+BASH_COMPLETE_DIR ?= $(etcdir)/bash_completion.d
+
+# copy a bit from Linux kbuild
+
+ifeq ("$(origin V)", "command line")
+ VERBOSE = $(V)
+endif
+ifndef VERBOSE
+ VERBOSE = 0
+endif
+
+SILENT := $(if $(findstring s,$(filter-out --%,$(MAKEFLAGS))),1)
+
+# $(call test-build, snippet, ret) -> ret if snippet compiles
+# -> empty otherwise
+test-build = $(if $(shell sh -c 'echo "$(1)" | \
+ $(CC) -o /dev/null -c -x c - > /dev/null 2>&1 && echo y'), $2)
+
+ifeq ("$(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
+
+LIBTRACEFS_STATIC = $(bdir)/libtracefs.a
+LIBTRACEFS_SHARED = $(bdir)/libtracefs.so.$(TRACEFS_VERSION)
+
+LIBTRACEFS_SHARED_SO = $(bdir)/libtracefs.so
+LIBTRACEFS_SHARED_VERSION = $(bdir)/libtracefs.so.$(TFS_VERSION)
+
+PKG_CONFIG_SOURCE_FILE = libtracefs.pc
+PKG_CONFIG_FILE := $(addprefix $(obj)/,$(PKG_CONFIG_SOURCE_FILE))
+
+LPTHREAD ?= -lpthread
+LIBS = $(LIBTRACEEVENT_LIBS) $(LPTHREAD)
+
+export LIBS
+export LIBTRACEFS_STATIC LIBTRACEFS_SHARED
+export LIBTRACEEVENT_LIBS LIBTRACEEVENT_INCLUDES
+export LIBTRACEFS_SHARED_SO LIBTRACEFS_SHARED_VERSION
+
+export Q SILENT VERBOSE EXT
+
+# Include the utils
+include scripts/utils.mk
+
+INCLUDES = -I$(src)/include
+INCLUDES += -I$(src)/include/tracefs
+
+include $(src)/scripts/features.mk
+
+# Set compile option CFLAGS if not set elsewhere
+CFLAGS ?= -g -Wall
+CPPFLAGS ?=
+LDFLAGS ?=
+
+CUNIT_INSTALLED := $(shell if (printf "$(pound)include <CUnit/Basic.h>\n void main(){CU_initialize_registry();}" | $(CC) -x c - -lcunit -o /dev/null >/dev/null 2>&1) ; then echo 1; else echo 0 ; fi)
+export CUNIT_INSTALLED
+
+export CFLAGS
+export INCLUDES
+
+# Append required CFLAGS
+override CFLAGS += -D_GNU_SOURCE $(LIBTRACEEVENT_INCLUDES) $(INCLUDES)
+
+# Make sure 32 bit stat() works on large file systems
+override CFLAGS += -D_FILE_OFFSET_BITS=64
+
+all: all_cmd
+
+LIB_TARGET = libtracefs.a libtracefs.so.$(TRACEFS_VERSION)
+LIB_INSTALL = libtracefs.a libtracefs.so*
+LIB_INSTALL := $(addprefix $(bdir)/,$(LIB_INSTALL))
+
+TARGETS = libtracefs.so libtracefs.a
+
+all_cmd: $(TARGETS) $(PKG_CONFIG_FILE)
+
+libtracefs.a: $(bdir) $(LIBTRACEFS_STATIC)
+libtracefs.so: $(bdir) $(LIBTRACEFS_SHARED)
+
+libs: libtracefs.a libtracefs.so
+
+VALGRIND = $(shell which valgrind)
+UTEST_DIR = utest
+UTEST_BINARY = trace-utest
+
+test: force $(LIBTRACEFS_STATIC)
+ifneq ($(CUNIT_INSTALLED),1)
+ $(error CUnit framework not installed, cannot build unit tests))
+endif
+ $(Q)$(call descend,$(src)/$(UTEST_DIR),$@)
+
+test_mem: test
+ifeq (, $(VALGRIND))
+ $(error "No valgrind in $(PATH), cannot run memory test")
+endif
+ifneq ($(shell id -u), 0)
+ $(error "The unit test should be run as root, as it reuqires full access to tracefs")
+endif
+ CK_FORK=no LD_LIBRARY_PATH=$(bdir) $(VALGRIND) \
+ --show-leak-kinds=all --leak-resolution=high \
+ --leak-check=full --show-possibly-lost=yes \
+ --track-origins=yes -s \
+ $(src)/$(UTEST_DIR)/$(UTEST_BINARY)
+
+define find_tag_files
+ find $(src) -name '\.pc' -prune -o -name '*\.[ch]' -print -o -name '*\.[ch]pp' \
+ ! -name '\.#' -print
+endef
+
+define do_make_pkgconfig_file
+ cp -f ${PKG_CONFIG_SOURCE_FILE}.template ${PKG_CONFIG_FILE}; \
+ sed -i "s|INSTALL_PREFIX|${1}|g" ${PKG_CONFIG_FILE}; \
+ sed -i "s|LIB_VERSION|${TRACEFS_VERSION}|g" ${PKG_CONFIG_FILE}; \
+ sed -i "s|LIB_DIR|${libdir_relative}|g" ${PKG_CONFIG_FILE}; \
+ sed -i "s|HEADER_DIR|$(includedir_relative)|g" ${PKG_CONFIG_FILE}; \
+ sed -i "s|LIBTRACEEVENT_MIN|$(LIBTRACEEVENT_MIN_VERSION)|g" ${PKG_CONFIG_FILE};
+endef
+
+BUILD_PREFIX := $(BUILD_OUTPUT)/build_prefix
+
+VERSION_FILE = tfs_version.h
+
+$(BUILD_PREFIX): force
+ $(Q)$(call build_prefix,$(prefix))
+
+$(PKG_CONFIG_FILE) : ${PKG_CONFIG_SOURCE_FILE}.template $(BUILD_PREFIX) $(VERSION_FILE)
+ $(Q) $(call do_make_pkgconfig_file,$(prefix))
+
+VIM_TAGS = $(obj)/tags
+EMACS_TAGS = $(obj)/TAGS
+CSCOPE_TAGS = $(obj)/cscope
+
+$(VIM_TAGS): force
+ $(RM) $@
+ $(call find_tag_files) | (cd $(obj) && xargs ctags --extra=+f --c-kinds=+px)
+
+$(EMACS_TAGS): force
+ $(RM) $@
+ $(call find_tag_files) | (cd $(obj) && xargs etags)
+
+$(CSCOPE_TAGS): force
+ $(RM) $(obj)/cscope*
+ $(call find_tag_files) | cscope -b -q
+
+tags: $(VIM_TAGS)
+TAGS: $(EMACS_TAGS)
+cscope: $(CSCOPE_TAGS)
+
+ifeq ("$(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) -ltracefs &> /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_libs: libs install_pkgconfig
+ $(Q)$(call do_install,$(LIBTRACEFS_SHARED),$(libdir_SQ)); \
+ cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ)
+ $(Q)$(call do_install,$(src)/include/tracefs.h,$(includedir_SQ),644)
+ $(Q)$(call install_ld_config)
+
+install: install_libs
+
+install_pkgconfig: $(PKG_CONFIG_FILE)
+ $(Q)$(call , $(PKG_CONFIG_FILE)) \
+ $(call do_install_pkgconfig_file,$(prefix))
+
+doc: check_doc
+ $(Q)$(call descend,$(src)/Documentation,all)
+
+doc_clean:
+ $(Q)$(call descend,$(src)/Documentation,clean)
+
+install_doc:
+ $(Q)$(call descend,$(src)/Documentation,install)
+
+check_doc: force
+ $(Q)$(src)/check-manpages.sh $(src)/Documentation
+
+define build_uninstall_script
+ $(Q)mkdir $(BUILD_OUTPUT)/tmp_build
+ $(Q)$(MAKE) -C $(src) DESTDIR=$(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 \
+ $(call print_uninstall,$(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 += force
+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)
+
+DEFAULT_TARGET = $(LIBTRACEFS_STATIC)
+
+OBJS =
+OBJS += tracefs-utils.o
+OBJS += tracefs-instance.o
+OBJS += tracefs-events.o
+
+OBJS := $(OBJS:%.o=$(bdir)/%.o)
+
+all: $(DEFAULT_TARGET)
+
+$(bdir):
+ @mkdir -p $(bdir)
+
+VERSION = $(TFS_VERSION)
+PATCHLEVEL = $(TFS_PATCHLEVEL)
+EXTRAVERSION = $(TFS_EXTRAVERSION)
+
+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)'"'; \
+ ) > $1
+endef
+
+define update_version.h
+ ($(call make_version.h, $@.tmp); \
+ if [ -r $@ ] && cmp -s $@ $@.tmp; then \
+ rm -f $@.tmp; \
+ else \
+ echo ' UPDATE $@'; \
+ mv -f $@.tmp $@; \
+ fi);
+endef
+
+$(VERSION_FILE): force
+ $(Q)$(call update_version.h)
+
+$(LIBTRACEFS_STATIC): force
+ $(Q)$(call descend,$(src)/src,$@)
+
+$(bdir)/libtracefs.so.$(TRACEFS_VERSION): force
+ $(Q)$(call descend,$(src)/src,libtracefs.so)
+
+samples/sqlhist: libtracefs.a
+ $(Q)$(call descend,$(src)/samples,sqlhist)
+
+sqlhist: samples/sqlhist
+
+samples: libtracefs.a force
+ $(Q)$(call descend,$(src)/samples,all)
+
+clean:
+ $(Q)$(call descend_clean,utest)
+ $(Q)$(call descend_clean,src)
+ $(Q)$(call descend_clean,samples)
+ $(Q)$(call do_clean, \
+ $(TARGETS) $(bdir)/*.a $(bdir)/*.so $(bdir)/*.so.* $(bdir)/*.o $(bdir)/.*.d \
+ $(PKG_CONFIG_FILE) \
+ $(VERSION_FILE) \
+ $(BUILD_PREFIX))
+
+.PHONY: clean
+
+# libtracefs.a and libtracefs.so would concurrently enter the same directory -
+# a recipe for collisions.
+.NOTPARALLEL: