OSCL-LXR

0001 NAME    :=      rtla
0002 # Follow the kernel version
0003 VERSION :=      $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion | grep -v make)
0004
0005 # From libtracefs:
0006 # Makefiles suck: This macro sets a default value of $(2) for the
0007 # variable named by $(1), unless the variable has been set by
0008 # environment or command line. This is necessary for CC and AR
0009 # because make sets default values, so the simpler ?= approach
0010 # won't work as expected.
0011 define allow-override
0012   $(if $(or $(findstring environment,$(origin $(1))),\
0013             $(findstring command line,$(origin $(1)))),,\
0014     $(eval $(1) = $(2)))
0015 endef
0016
0017 # Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
0018 $(call allow-override,CC,$(CROSS_COMPILE)gcc)
0019 $(call allow-override,AR,$(CROSS_COMPILE)ar)
0020 $(call allow-override,STRIP,$(CROSS_COMPILE)strip)
0021 $(call allow-override,PKG_CONFIG,pkg-config)
0022 $(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
0023 $(call allow-override,LDCONFIG,ldconfig)
0024
0025 INSTALL =       install
0026 MKDIR   =       mkdir
0027 FOPTS   :=      -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
0028                 -fasynchronous-unwind-tables -fstack-clash-protection
0029 WOPTS   :=      -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
0030
0031 TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
0032
0033 CFLAGS  :=      -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS) $(EXTRA_CFLAGS)
0034 LDFLAGS :=      -ggdb $(EXTRA_LDFLAGS)
0035 LIBS    :=      $$($(PKG_CONFIG) --libs libtracefs)
0036
0037 SRC     :=      $(wildcard src/*.c)
0038 HDR     :=      $(wildcard src/*.h)
0039 OBJ     :=      $(SRC:.c=.o)
0040 DIRS    :=      src
0041 FILES   :=      Makefile README.txt
0042 CEXT    :=      bz2
0043 TARBALL :=      $(NAME)-$(VERSION).tar.$(CEXT)
0044 TAROPTS :=      -cvjf $(TARBALL)
0045 BINDIR  :=      /usr/bin
0046 DATADIR :=      /usr/share
0047 DOCDIR  :=      $(DATADIR)/doc
0048 MANDIR  :=      $(DATADIR)/man
0049 LICDIR  :=      $(DATADIR)/licenses
0050 SRCTREE :=      $(or $(BUILD_SRC),$(CURDIR))
0051
0052 # If running from the tarball, man pages are stored in the Documentation
0053 # dir. If running from the kernel source, man pages are stored in
0054 # Documentation/tools/rtla/.
0055 ifneq ($(wildcard Documentation/.*),)
0056 DOCSRC  =       Documentation/
0057 else
0058 DOCSRC  =       $(SRCTREE)/../../../Documentation/tools/rtla/
0059 endif
0060
0061 LIBTRACEEVENT_MIN_VERSION = 1.5
0062 LIBTRACEFS_MIN_VERSION = 1.3
0063
0064 .PHONY: all warnings show_warnings
0065 all:    warnings rtla
0066
0067 TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 || echo n")
0068 ifeq ("$(TEST_LIBTRACEEVENT)", "n")
0069 WARNINGS = show_warnings
0070 MISSING_LIBS += echo "**   libtraceevent version $(LIBTRACEEVENT_MIN_VERSION) or higher";
0071 MISSING_PACKAGES += "libtraceevent-devel"
0072 MISSING_SOURCE += echo "**  https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ ";
0073 endif
0074
0075 TEST_LIBTRACEFS = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 || echo n")
0076 ifeq ("$(TEST_LIBTRACEFS)", "n")
0077 WARNINGS = show_warnings
0078 MISSING_LIBS += echo "**   libtracefs version $(LIBTRACEFS_MIN_VERSION) or higher";
0079 MISSING_PACKAGES += "libtracefs-devel"
0080 MISSING_SOURCE += echo "**  https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/ ";
0081 endif
0082
0083 define show_dependencies
0084         @echo "********************************************";                           \
0085         echo "** NOTICE: Failed build dependencies";                                    \
0086         echo "**";                                                                      \
0087         echo "** Required Libraries:";                                                  \
0088         $(MISSING_LIBS)                                                                 \
0089         echo "**";                                                                      \
0090         echo "** Consider installing the latest libtracefs from your";                  \
0091         echo "** distribution, e.g., 'dnf install $(MISSING_PACKAGES)' on Fedora,";     \
0092         echo "** or from source:";                                                      \
0093         echo "**";                                                                      \
0094         $(MISSING_SOURCE)                                                               \
0095         echo "**";                                                                      \
0096         echo "********************************************"
0097 endef
0098
0099 show_warnings:
0100         $(call show_dependencies);
0101
0102 ifneq ("$(WARNINGS)", "")
0103 ERROR_OUT = $(error Please add the necessary dependencies)
0104
0105 warnings: $(WARNINGS)
0106         $(ERROR_OUT)
0107 endif
0108
0109 rtla: $(OBJ)
0110         $(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS)
0111
0112 static: $(OBJ)
0113         $(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl
0114
0115 .PHONY: install
0116 install: doc_install
0117         $(MKDIR) -p $(DESTDIR)$(BINDIR)
0118         $(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR)
0119         $(STRIP) $(DESTDIR)$(BINDIR)/rtla
0120         @test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise
0121         ln -s rtla $(DESTDIR)$(BINDIR)/osnoise
0122         @test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat
0123         ln -s rtla $(DESTDIR)$(BINDIR)/timerlat
0124
0125 .PHONY: clean tarball
0126 clean: doc_clean
0127         @test ! -f rtla || rm rtla
0128         @test ! -f rtla-static || rm rtla-static
0129         @test ! -f src/rtla.o || rm src/rtla.o
0130         @test ! -f $(TARBALL) || rm -f $(TARBALL)
0131         @rm -rf *~ $(OBJ) *.tar.$(CEXT)
0132
0133 tarball: clean
0134         rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION)
0135         echo $(VERSION) > $(NAME)-$(VERSION)/VERSION
0136         cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
0137         mkdir $(NAME)-$(VERSION)/Documentation/
0138         cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/
0139         tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
0140         rm -rf $(NAME)-$(VERSION)
0141
0142 .PHONY: doc doc_clean doc_install
0143 doc:
0144         $(MAKE) -C $(DOCSRC)
0145
0146 doc_clean:
0147         $(MAKE) -C $(DOCSRC) clean
0148
0149 doc_install:
0150         $(MAKE) -C $(DOCSRC) install