tools/verification/rv/Makefile

   1 NAME    :=      rv
   2 # Follow the kernel version
   3 VERSION :=      $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion | grep -v make)
   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 $(call allow-override,LDCONFIG,ldconfig)
  24
  25 INSTALL =       install
  26 MKDIR   =       mkdir
  27 FOPTS   :=      -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
  28                 -fasynchronous-unwind-tables -fstack-clash-protection
  29 WOPTS   :=      -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
  30
  31 ifeq ($(CC),clang)
  32   FOPTS := $(filter-out -ffat-lto-objects, $(FOPTS))
  33   WOPTS := $(filter-out -Wno-maybe-uninitialized, $(WOPTS))
  34 endif
  35
  36 TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
  37
  38 CFLAGS  :=      -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS) $(EXTRA_CFLAGS) -I include
  39 LDFLAGS :=      -flto=auto -ggdb $(EXTRA_LDFLAGS)
  40 LIBS    :=      $$($(PKG_CONFIG) --libs libtracefs)
  41
  42 SRC     :=      $(wildcard src/*.c)
  43 HDR     :=      $(wildcard src/*.h)
  44 OBJ     :=      $(SRC:.c=.o)
  45 DIRS    :=      src
  46 FILES   :=      Makefile README.txt
  47 CEXT    :=      bz2
  48 TARBALL :=      $(NAME)-$(VERSION).tar.$(CEXT)
  49 TAROPTS :=      -cvjf $(TARBALL)
  50 BINDIR  :=      /usr/bin
  51 DATADIR :=      /usr/share
  52 DOCDIR  :=      $(DATADIR)/doc
  53 MANDIR  :=      $(DATADIR)/man
  54 LICDIR  :=      $(DATADIR)/licenses
  55 SRCTREE :=      $(or $(BUILD_SRC),$(CURDIR))
  56
  57 # If running from the tarball, man pages are stored in the Documentation
  58 # dir. If running from the kernel source, man pages are stored in
  59 # Documentation/tools/rv/.
  60 ifneq ($(wildcard Documentation/.*),)
  61 DOCSRC  =       Documentation/
  62 else
  63 DOCSRC  =       $(SRCTREE)/../../../Documentation/tools/rv/
  64 endif
  65
  66 LIBTRACEEVENT_MIN_VERSION = 1.5
  67 LIBTRACEFS_MIN_VERSION = 1.3
  68
  69 .PHONY: all warnings show_warnings
  70 all:    warnings rv
  71
  72 TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 || echo n")
  73 ifeq ("$(TEST_LIBTRACEEVENT)", "n")
  74 WARNINGS = show_warnings
  75 MISSING_LIBS += echo "**   libtraceevent version $(LIBTRACEEVENT_MIN_VERSION) or higher";
  76 MISSING_PACKAGES += "libtraceevent-devel"
  77 MISSING_SOURCE += echo "**  https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ ";
  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 WARNINGS = show_warnings
  83 MISSING_LIBS += echo "**   libtracefs version $(LIBTRACEFS_MIN_VERSION) or higher";
  84 MISSING_PACKAGES += "libtracefs-devel"
  85 MISSING_SOURCE += echo "**  https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/ ";
  86 endif
  87
  88 define show_dependencies
  89         @echo "********************************************";                           \
  90         echo "** NOTICE: Failed build dependencies";                                    \
  91         echo "**";                                                                      \
  92         echo "** Required Libraries:";                                                  \
  93         $(MISSING_LIBS)                                                                 \
  94         echo "**";                                                                      \
  95         echo "** Consider installing the latest libtracefs from your";                  \
  96         echo "** distribution, e.g., 'dnf install $(MISSING_PACKAGES)' on Fedora,";     \
  97         echo "** or from source:";                                                      \
  98         echo "**";                                                                      \
  99         $(MISSING_SOURCE)                                                               \
 100         echo "**";                                                                      \
 101         echo "********************************************"
 102 endef
 103
 104 show_warnings:
 105         $(call show_dependencies);
 106
 107 ifneq ("$(WARNINGS)", "")
 108 ERROR_OUT = $(error Please add the necessary dependencies)
 109
 110 warnings: $(WARNINGS)
 111         $(ERROR_OUT)
 112 endif
 113
 114 rv: $(OBJ)
 115         $(CC) -o rv $(LDFLAGS) $(OBJ) $(LIBS)
 116
 117 .PHONY: install
 118 install: doc_install
 119         $(MKDIR) -p $(DESTDIR)$(BINDIR)
 120         $(INSTALL) rv -m 755 $(DESTDIR)$(BINDIR)
 121         $(STRIP) $(DESTDIR)$(BINDIR)/rv
 122
 123 .PHONY: clean tarball
 124 clean: doc_clean
 125         @test ! -f rv || rm rv
 126         @test ! -f $(TARBALL) || rm -f $(TARBALL)
 127         @rm -rf *~ $(OBJ) *.tar.$(CEXT)
 128
 129 tarball: clean
 130         rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION)
 131         echo $(VERSION) > $(NAME)-$(VERSION)/VERSION
 132         cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
 133         mkdir $(NAME)-$(VERSION)/Documentation/
 134         cp -rp $(SRCTREE)/../../../Documentation/tools/rv/* $(NAME)-$(VERSION)/Documentation/
 135         tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
 136         rm -rf $(NAME)-$(VERSION)
 137
 138 .PHONY: doc doc_clean doc_install
 139 doc:
 140         $(MAKE) -C $(DOCSRC)
 141
 142 doc_clean:
 143         $(MAKE) -C $(DOCSRC) clean
 144
 145 doc_install:
 146         $(MAKE) -C $(DOCSRC) install