156 lines
5.1 KiB
Makefile
156 lines
5.1 KiB
Makefile
NAME := rtla
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# Follow the kernel version
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VERSION := $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion | grep -v make)
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# From libtracefs:
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# Makefiles suck: This macro sets a default value of $(2) for the
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# variable named by $(1), unless the variable has been set by
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# environment or command line. This is necessary for CC and AR
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# because make sets default values, so the simpler ?= approach
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# won't work as expected.
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define allow-override
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$(if $(or $(findstring environment,$(origin $(1))),\
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$(findstring command line,$(origin $(1)))),,\
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$(eval $(1) = $(2)))
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endef
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# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
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$(call allow-override,CC,$(CROSS_COMPILE)gcc)
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$(call allow-override,AR,$(CROSS_COMPILE)ar)
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$(call allow-override,STRIP,$(CROSS_COMPILE)strip)
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$(call allow-override,PKG_CONFIG,pkg-config)
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$(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
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$(call allow-override,LDCONFIG,ldconfig)
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INSTALL = install
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MKDIR = mkdir
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FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
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-fasynchronous-unwind-tables -fstack-clash-protection
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WOPTS := -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
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ifeq ($(CC),clang)
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FOPTS := $(filter-out -ffat-lto-objects, $(FOPTS))
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WOPTS := $(filter-out -Wno-maybe-uninitialized, $(WOPTS))
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endif
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TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
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CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS) $(EXTRA_CFLAGS)
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LDFLAGS := -flto=auto -ggdb $(EXTRA_LDFLAGS)
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LIBS := $$($(PKG_CONFIG) --libs libtracefs)
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SRC := $(wildcard src/*.c)
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HDR := $(wildcard src/*.h)
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OBJ := $(SRC:.c=.o)
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DIRS := src
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FILES := Makefile README.txt
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CEXT := bz2
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TARBALL := $(NAME)-$(VERSION).tar.$(CEXT)
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TAROPTS := -cvjf $(TARBALL)
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BINDIR := /usr/bin
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DATADIR := /usr/share
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DOCDIR := $(DATADIR)/doc
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MANDIR := $(DATADIR)/man
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LICDIR := $(DATADIR)/licenses
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SRCTREE := $(or $(BUILD_SRC),$(CURDIR))
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# If running from the tarball, man pages are stored in the Documentation
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# dir. If running from the kernel source, man pages are stored in
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# Documentation/tools/rtla/.
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ifneq ($(wildcard Documentation/.*),)
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DOCSRC = Documentation/
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else
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DOCSRC = $(SRCTREE)/../../../Documentation/tools/rtla/
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endif
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LIBTRACEEVENT_MIN_VERSION = 1.5
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LIBTRACEFS_MIN_VERSION = 1.3
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.PHONY: all warnings show_warnings
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all: warnings rtla
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TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 || echo n")
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ifeq ("$(TEST_LIBTRACEEVENT)", "n")
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WARNINGS = show_warnings
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MISSING_LIBS += echo "** libtraceevent version $(LIBTRACEEVENT_MIN_VERSION) or higher";
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MISSING_PACKAGES += "libtraceevent-devel"
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MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ ";
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endif
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TEST_LIBTRACEFS = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 || echo n")
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ifeq ("$(TEST_LIBTRACEFS)", "n")
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WARNINGS = show_warnings
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MISSING_LIBS += echo "** libtracefs version $(LIBTRACEFS_MIN_VERSION) or higher";
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MISSING_PACKAGES += "libtracefs-devel"
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MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/ ";
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endif
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define show_dependencies
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@echo "********************************************"; \
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echo "** NOTICE: Failed build dependencies"; \
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echo "**"; \
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echo "** Required Libraries:"; \
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$(MISSING_LIBS) \
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echo "**"; \
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echo "** Consider installing the latest libtracefs from your"; \
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echo "** distribution, e.g., 'dnf install $(MISSING_PACKAGES)' on Fedora,"; \
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echo "** or from source:"; \
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echo "**"; \
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$(MISSING_SOURCE) \
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echo "**"; \
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echo "********************************************"
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endef
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show_warnings:
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$(call show_dependencies);
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ifneq ("$(WARNINGS)", "")
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ERROR_OUT = $(error Please add the necessary dependencies)
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warnings: $(WARNINGS)
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$(ERROR_OUT)
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endif
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rtla: $(OBJ)
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$(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS)
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static: $(OBJ)
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$(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl
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.PHONY: install
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install: doc_install
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$(MKDIR) -p $(DESTDIR)$(BINDIR)
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$(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR)
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$(STRIP) $(DESTDIR)$(BINDIR)/rtla
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@test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise
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ln -s rtla $(DESTDIR)$(BINDIR)/osnoise
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@test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat
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ln -s rtla $(DESTDIR)$(BINDIR)/timerlat
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.PHONY: clean tarball
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clean: doc_clean
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@test ! -f rtla || rm rtla
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@test ! -f rtla-static || rm rtla-static
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@test ! -f src/rtla.o || rm src/rtla.o
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@test ! -f $(TARBALL) || rm -f $(TARBALL)
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@rm -rf *~ $(OBJ) *.tar.$(CEXT)
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tarball: clean
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rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION)
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echo $(VERSION) > $(NAME)-$(VERSION)/VERSION
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cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
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mkdir $(NAME)-$(VERSION)/Documentation/
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cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/
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tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
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rm -rf $(NAME)-$(VERSION)
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.PHONY: doc doc_clean doc_install
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doc:
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$(MAKE) -C $(DOCSRC)
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doc_clean:
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$(MAKE) -C $(DOCSRC) clean
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doc_install:
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$(MAKE) -C $(DOCSRC) install
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