| NAME := rtla |
| # Follow the kernel version |
| VERSION := $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion | grep -v make) |
| |
| # From libtracefs: |
| # 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) |
| $(call allow-override,STRIP,$(CROSS_COMPILE)strip) |
| $(call allow-override,PKG_CONFIG,pkg-config) |
| $(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/) |
| $(call allow-override,LDCONFIG,ldconfig) |
| |
| INSTALL = install |
| MKDIR = mkdir |
| FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \ |
| -fasynchronous-unwind-tables -fstack-clash-protection |
| WOPTS := -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized |
| |
| ifeq ($(CC),clang) |
| FOPTS := $(filter-out -ffat-lto-objects, $(FOPTS)) |
| WOPTS := $(filter-out -Wno-maybe-uninitialized, $(WOPTS)) |
| endif |
| |
| TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs) |
| |
| CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS) $(EXTRA_CFLAGS) |
| LDFLAGS := -flto=auto -ggdb $(EXTRA_LDFLAGS) |
| LIBS := $$($(PKG_CONFIG) --libs libtracefs) |
| |
| SRC := $(wildcard src/*.c) |
| HDR := $(wildcard src/*.h) |
| OBJ := $(SRC:.c=.o) |
| DIRS := src |
| FILES := Makefile README.txt |
| CEXT := bz2 |
| TARBALL := $(NAME)-$(VERSION).tar.$(CEXT) |
| TAROPTS := -cvjf $(TARBALL) |
| BINDIR := /usr/bin |
| DATADIR := /usr/share |
| DOCDIR := $(DATADIR)/doc |
| MANDIR := $(DATADIR)/man |
| LICDIR := $(DATADIR)/licenses |
| SRCTREE := $(or $(BUILD_SRC),$(CURDIR)) |
| |
| # If running from the tarball, man pages are stored in the Documentation |
| # dir. If running from the kernel source, man pages are stored in |
| # Documentation/tools/rtla/. |
| ifneq ($(wildcard Documentation/.*),) |
| DOCSRC = Documentation/ |
| else |
| DOCSRC = $(SRCTREE)/../../../Documentation/tools/rtla/ |
| endif |
| |
| LIBTRACEEVENT_MIN_VERSION = 1.5 |
| LIBTRACEFS_MIN_VERSION = 1.3 |
| |
| .PHONY: all warnings show_warnings |
| all: warnings rtla |
| |
| TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 || echo n") |
| ifeq ("$(TEST_LIBTRACEEVENT)", "n") |
| WARNINGS = show_warnings |
| MISSING_LIBS += echo "** libtraceevent version $(LIBTRACEEVENT_MIN_VERSION) or higher"; |
| MISSING_PACKAGES += "libtraceevent-devel" |
| MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ "; |
| endif |
| |
| TEST_LIBTRACEFS = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 || echo n") |
| ifeq ("$(TEST_LIBTRACEFS)", "n") |
| WARNINGS = show_warnings |
| MISSING_LIBS += echo "** libtracefs version $(LIBTRACEFS_MIN_VERSION) or higher"; |
| MISSING_PACKAGES += "libtracefs-devel" |
| MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/ "; |
| endif |
| |
| define show_dependencies |
| @echo "********************************************"; \ |
| echo "** NOTICE: Failed build dependencies"; \ |
| echo "**"; \ |
| echo "** Required Libraries:"; \ |
| $(MISSING_LIBS) \ |
| echo "**"; \ |
| echo "** Consider installing the latest libtracefs from your"; \ |
| echo "** distribution, e.g., 'dnf install $(MISSING_PACKAGES)' on Fedora,"; \ |
| echo "** or from source:"; \ |
| echo "**"; \ |
| $(MISSING_SOURCE) \ |
| echo "**"; \ |
| echo "********************************************" |
| endef |
| |
| show_warnings: |
| $(call show_dependencies); |
| |
| ifneq ("$(WARNINGS)", "") |
| ERROR_OUT = $(error Please add the necessary dependencies) |
| |
| warnings: $(WARNINGS) |
| $(ERROR_OUT) |
| endif |
| |
| rtla: $(OBJ) |
| $(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS) |
| |
| static: $(OBJ) |
| $(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl |
| |
| .PHONY: install |
| install: doc_install |
| $(MKDIR) -p $(DESTDIR)$(BINDIR) |
| $(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR) |
| $(STRIP) $(DESTDIR)$(BINDIR)/rtla |
| @test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise |
| ln -s rtla $(DESTDIR)$(BINDIR)/osnoise |
| @test ! -f $(DESTDIR)$(BINDIR)/hwnoise || rm $(DESTDIR)$(BINDIR)/hwnoise |
| ln -s rtla $(DESTDIR)$(BINDIR)/hwnoise |
| @test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat |
| ln -s rtla $(DESTDIR)$(BINDIR)/timerlat |
| |
| .PHONY: clean tarball |
| clean: doc_clean |
| @test ! -f rtla || rm rtla |
| @test ! -f rtla-static || rm rtla-static |
| @test ! -f src/rtla.o || rm src/rtla.o |
| @test ! -f $(TARBALL) || rm -f $(TARBALL) |
| @rm -rf *~ $(OBJ) *.tar.$(CEXT) |
| |
| tarball: clean |
| rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION) |
| echo $(VERSION) > $(NAME)-$(VERSION)/VERSION |
| cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION) |
| mkdir $(NAME)-$(VERSION)/Documentation/ |
| cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/ |
| tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION) |
| rm -rf $(NAME)-$(VERSION) |
| |
| .PHONY: doc doc_clean doc_install |
| doc: |
| $(MAKE) -C $(DOCSRC) |
| |
| doc_clean: |
| $(MAKE) -C $(DOCSRC) clean |
| |
| doc_install: |
| $(MAKE) -C $(DOCSRC) install |