tools/tracing/rtla/Makefile

   1 NAME    :=      rtla
   2 # Follow the kernel version
   3 VERSION :=      $(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.
  11 define allow-override
  12   $(if $(or $(findstring environment,$(origin $(1))),\
  13             $(findstring command line,$(origin $(1)))),,\
  14     $(eval $(1) = $(2)))
  15 endef
  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
  25 INSTALL =       install
  26 MKDIR   =       mkdir
  27 FOPTS   :=      -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
  28                 -fasynchronous-unwind-tables -fstack-clash-protection
  29 WOPTS   :=      -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
  30
  31 TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
  32
  33 CFLAGS  :=      -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS)
  34 LDFLAGS :=      -ggdb
  35 LIBS    :=      $$($(PKG_CONFIG) --libs libtracefs)
  36
  37 SRC     :=      $(wildcard src/*.c)
  38 HDR     :=      $(wildcard src/*.h)
  39 OBJ     :=      $(SRC:.c=.o)
  40 DIRS    :=      src
  41 FILES   :=      Makefile README.txt
  42 CEXT    :=      bz2
  43 TARBALL :=      $(NAME)-$(VERSION).tar.$(CEXT)
  44 TAROPTS :=      -cvjf $(TARBALL)
  45 BINDIR  :=      /usr/bin
  46 DATADIR :=      /usr/share
  47 DOCDIR  :=      $(DATADIR)/doc
  48 MANDIR  :=      $(DATADIR)/man
  49 LICDIR  :=      $(DATADIR)/licenses
  50 SRCTREE :=      $(or $(BUILD_SRC),$(CURDIR))
  51
  52 # If running from the tarball, man pages are stored in the Documentation
  53 # dir. If running from the kernel source, man pages are stored in
  54 # Documentation/tools/rtla/.
  55 ifneq ($(wildcard Documentation/.*),)
  56 DOCSRC  =       Documentation/
  57 else
  58 DOCSRC  =       $(SRCTREE)/../../../Documentation/tools/rtla/
  59 endif
  60
  61 LIBTRACEEVENT_MIN_VERSION = 1.5
  62 LIBTRACEFS_MIN_VERSION = 1.3
  63
  64 TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 || echo n")
  65 ifeq ("$(TEST_LIBTRACEEVENT)", "n")
  66 .PHONY: warning_traceevent
  67 warning_traceevent:
  68         @echo "********************************************"
  69         @echo "** NOTICE: libtraceevent version $(LIBTRACEEVENT_MIN_VERSION) or higher not found"
  70         @echo "**"
  71         @echo "** Consider installing the latest libtraceevent from your"
  72         @echo "** distribution, e.g., 'dnf install libtraceevent' on Fedora,"
  73         @echo "** or from source:"
  74         @echo "**"
  75         @echo "**  https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ "
  76         @echo "**"
  77         @echo "********************************************"
  78 endif
  79
  80 TEST_LIBTRACEFS = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 || echo n")
  81 ifeq ("$(TEST_LIBTRACEFS)", "n")
  82 .PHONY: warning_tracefs
  83 warning_tracefs:
  84         @echo "********************************************"
  85         @echo "** NOTICE: libtracefs version $(LIBTRACEFS_MIN_VERSION) or higher not found"
  86         @echo "**"
  87         @echo "** Consider installing the latest libtracefs from your"
  88         @echo "** distribution, e.g., 'dnf install libtracefs' on Fedora,"
  89         @echo "** or from source:"
  90         @echo "**"
  91         @echo "**  https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/ "
  92         @echo "**"
  93         @echo "********************************************"
  94 endif
  95
  96 .PHONY: all
  97 all:    rtla
  98
  99 rtla: $(OBJ)
 100         $(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS)
 101
 102 static: $(OBJ)
 103         $(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl
 104
 105 .PHONY: install
 106 install: doc_install
 107         $(MKDIR) -p $(DESTDIR)$(BINDIR)
 108         $(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR)
 109         $(STRIP) $(DESTDIR)$(BINDIR)/rtla
 110         @test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise
 111         ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/osnoise
 112         @test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat
 113         ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/timerlat
 114
 115 .PHONY: clean tarball
 116 clean: doc_clean
 117         @test ! -f rtla || rm rtla
 118         @test ! -f rtla-static || rm rtla-static
 119         @test ! -f src/rtla.o || rm src/rtla.o
 120         @test ! -f $(TARBALL) || rm -f $(TARBALL)
 121         @rm -rf *~ $(OBJ) *.tar.$(CEXT)
 122
 123 tarball: clean
 124         rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION)
 125         echo $(VERSION) > $(NAME)-$(VERSION)/VERSION
 126         cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
 127         mkdir $(NAME)-$(VERSION)/Documentation/
 128         cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/
 129         tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
 130         rm -rf $(NAME)-$(VERSION)
 131
 132 .PHONY: doc doc_clean doc_install
 133 doc:
 134         $(MAKE) -C $(DOCSRC)
 135
 136 doc_clean:
 137         $(MAKE) -C $(DOCSRC) clean
 138
 139 doc_install:
 140         $(MAKE) -C $(DOCSRC) install