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 := $(or $(BUILD_SRC),$(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 60LIBTRACEEVENT_MIN_VERSION = 1.5 61LIBTRACEFS_MIN_VERSION = 1.3 62 63TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 || echo n") 64ifeq ("$(TEST_LIBTRACEEVENT)", "n") 65.PHONY: warning_traceevent 66warning_traceevent: 67 @echo "********************************************" 68 @echo "** NOTICE: libtraceevent version $(LIBTRACEEVENT_MIN_VERSION) or higher not found" 69 @echo "**" 70 @echo "** Consider installing the latest libtraceevent from your" 71 @echo "** distribution, e.g., 'dnf install libtraceevent' on Fedora," 72 @echo "** or from source:" 73 @echo "**" 74 @echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ " 75 @echo "**" 76 @echo "********************************************" 77endif 78 79TEST_LIBTRACEFS = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 || echo n") 80ifeq ("$(TEST_LIBTRACEFS)", "n") 81.PHONY: warning_tracefs 82warning_tracefs: 83 @echo "********************************************" 84 @echo "** NOTICE: libtracefs version $(LIBTRACEFS_MIN_VERSION) or higher not found" 85 @echo "**" 86 @echo "** Consider installing the latest libtracefs from your" 87 @echo "** distribution, e.g., 'dnf install libtracefs' on Fedora," 88 @echo "** or from source:" 89 @echo "**" 90 @echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/ " 91 @echo "**" 92 @echo "********************************************" 93endif 94 95.PHONY: all 96all: rtla 97 98rtla: $(OBJ) 99 $(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS) 100 101static: $(OBJ) 102 $(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl 103 104.PHONY: install 105install: doc_install 106 $(INSTALL) -d -m 755 $(DESTDIR)$(BINDIR) 107 $(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR) 108 $(STRIP) $(DESTDIR)$(BINDIR)/rtla 109 @test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise 110 ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/osnoise 111 @test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat 112 ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/timerlat 113 114.PHONY: clean tarball 115clean: doc_clean 116 @test ! -f rtla || rm rtla 117 @test ! -f rtla-static || rm rtla-static 118 @test ! -f src/rtla.o || rm src/rtla.o 119 @test ! -f $(TARBALL) || rm -f $(TARBALL) 120 @rm -rf *~ $(OBJ) *.tar.$(CEXT) 121 122tarball: clean 123 rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION) 124 echo $(VERSION) > $(NAME)-$(VERSION)/VERSION 125 cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION) 126 mkdir $(NAME)-$(VERSION)/Documentation/ 127 cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/ 128 tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION) 129 rm -rf $(NAME)-$(VERSION) 130 131.PHONY: doc doc_clean doc_install 132doc: 133 $(MAKE) -C $(DOCSRC) 134 135doc_clean: 136 $(MAKE) -C $(DOCSRC) clean 137 138doc_install: 139 $(MAKE) -C $(DOCSRC) install 140