1NAME := rtla 2# Follow the kernel version 3VERSION := $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion) 4 5# From libtracefs: 6# Makefiles suck: This macro sets a default value of $(2) for the 7# variable named by $(1), unless the variable has been set by 8# environment or command line. This is necessary for CC and AR 9# because make sets default values, so the simpler ?= approach 10# won't work as expected. 11define allow-override 12 $(if $(or $(findstring environment,$(origin $(1))),\ 13 $(findstring command line,$(origin $(1)))),,\ 14 $(eval $(1) = $(2))) 15endef 16 17# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix. 18$(call allow-override,CC,$(CROSS_COMPILE)gcc) 19$(call allow-override,AR,$(CROSS_COMPILE)ar) 20$(call allow-override,STRIP,$(CROSS_COMPILE)strip) 21$(call allow-override,PKG_CONFIG,pkg-config) 22$(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/) 23$(call allow-override,LDCONFIG,ldconfig) 24 25INSTALL = install 26FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \ 27 -fasynchronous-unwind-tables -fstack-clash-protection 28WOPTS := -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized 29 30TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs) 31 32CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS) 33LDFLAGS := -ggdb 34LIBS := $$($(PKG_CONFIG) --libs libtracefs) -lprocps 35 36SRC := $(wildcard src/*.c) 37HDR := $(wildcard src/*.h) 38OBJ := $(SRC:.c=.o) 39DIRS := src 40FILES := Makefile README.txt 41CEXT := bz2 42TARBALL := $(NAME)-$(VERSION).tar.$(CEXT) 43TAROPTS := -cvjf $(TARBALL) 44BINDIR := /usr/bin 45DATADIR := /usr/share 46DOCDIR := $(DATADIR)/doc 47MANDIR := $(DATADIR)/man 48LICDIR := $(DATADIR)/licenses 49SRCTREE := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR)) 50 51# If running from the tarball, man pages are stored in the Documentation 52# dir. If running from the kernel source, man pages are stored in 53# Documentation/tools/rtla/. 54ifneq ($(wildcard Documentation/.*),) 55DOCSRC = Documentation/ 56else 57DOCSRC = $(SRCTREE)/../../../Documentation/tools/rtla/ 58endif 59 60.PHONY: all 61all: rtla 62 63rtla: $(OBJ) 64 $(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS) 65 66static: $(OBJ) 67 $(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl 68 69.PHONY: install 70install: doc_install 71 $(INSTALL) -d -m 755 $(DESTDIR)$(BINDIR) 72 $(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR) 73 $(STRIP) $(DESTDIR)$(BINDIR)/rtla 74 @test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise 75 ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/osnoise 76 @test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat 77 ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/timerlat 78 79.PHONY: clean tarball 80clean: doc_clean 81 @test ! -f rtla || rm rtla 82 @test ! -f rtla-static || rm rtla-static 83 @test ! -f src/rtla.o || rm src/rtla.o 84 @test ! -f $(TARBALL) || rm -f $(TARBALL) 85 @rm -rf *~ $(OBJ) *.tar.$(CEXT) 86 87tarball: clean 88 rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION) 89 echo $(VERSION) > $(NAME)-$(VERSION)/VERSION 90 cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION) 91 mkdir $(NAME)-$(VERSION)/Documentation/ 92 cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/ 93 tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION) 94 rm -rf $(NAME)-$(VERSION) 95 96.PHONY: doc doc_clean doc_install 97doc: 98 $(MAKE) -C $(DOCSRC) 99 100doc_clean: 101 $(MAKE) -C $(DOCSRC) clean 102 103doc_install: 104 $(MAKE) -C $(DOCSRC) install 105