mirror of
https://github.com/torvalds/linux.git
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tools/verification: Use tools/build makefiles on rv
Use tools/build/ makefiles to build rv, inheriting the benefits of it. For example, having a proper way to handle dependencies. Link: https://lkml.kernel.org/r/2a38a8f7b8dc65fa790381ec9ab42fb62beb2e25.1710519524.git.bristot@kernel.org Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Josh Poimboeuf <jpoimboe@kernel.org> Cc: John Kacur <jkacur@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
This commit is contained in:
Daniel Bristot de Oliveira
parent
01474dc706
commit
012e4e77df
6 changed files with 173 additions and 123 deletions
6
tools/verification/rv/.gitignore
vendored
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6
tools/verification/rv/.gitignore
vendored
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@ -0,0 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0-only
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rv
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rv-static
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fixdep
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feature
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FEATURE-DUMP
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1
tools/verification/rv/Build
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1
tools/verification/rv/Build
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@ -0,0 +1 @@
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rv-y += src/
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@ -1,146 +1,87 @@
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NAME := rv
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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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# SPDX-License-Identifier: GPL-2.0-only
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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, $(WOPTS))
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ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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endif
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TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
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include $(srctree)/tools/scripts/Makefile.include
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CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS) $(EXTRA_CFLAGS) -I include
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LDFLAGS := -flto=auto -ggdb $(EXTRA_LDFLAGS)
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LIBS := $$($(PKG_CONFIG) --libs libtracefs)
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# O is an alias for OUTPUT
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OUTPUT := $(O)
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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/rv/.
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ifneq ($(wildcard Documentation/.*),)
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DOCSRC = Documentation/
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ifeq ($(OUTPUT),)
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OUTPUT := $(CURDIR)/
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else
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DOCSRC = $(SRCTREE)/../../../Documentation/tools/rv/
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# subdir is used by the ../Makefile in $(call descend,)
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ifneq ($(subdir),)
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OUTPUT := $(OUTPUT)/$(subdir)
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endif
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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 rv
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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 $(LIBTRACEEVENT_MIN_VERSION) or higher";
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MISSING_PACKAGES += "libtraceevent-devel"
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MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ ";
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ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),)
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OUTPUT := $(OUTPUT)/
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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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RV := $(OUTPUT)rv
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RV_IN := $(RV)-in.o
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VERSION := $(shell sh -c "make -sC ../../.. kernelversion | grep -v make")
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DOCSRC := ../../../Documentation/tools/rv/
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FEATURE_TESTS := libtraceevent
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FEATURE_TESTS += libtracefs
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FEATURE_DISPLAY := libtraceevent
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FEATURE_DISPLAY += libtracefs
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ifeq ($(V),1)
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Q =
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else
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Q = @
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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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all: $(RV)
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show_warnings:
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$(call show_dependencies);
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include $(srctree)/tools/build/Makefile.include
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include Makefile.rv
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ifneq ("$(WARNINGS)", "")
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ERROR_OUT = $(error Please add the necessary dependencies)
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# check for dependencies only on required targets
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NON_CONFIG_TARGETS := clean install doc doc_clean doc_install
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warnings: $(WARNINGS)
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$(ERROR_OUT)
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config := 1
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ifdef MAKECMDGOALS
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ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
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config := 0
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endif
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endif
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rv: $(OBJ)
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$(CC) -o rv $(LDFLAGS) $(OBJ) $(LIBS)
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ifeq ($(config),1)
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include $(srctree)/tools/build/Makefile.feature
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include Makefile.config
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endif
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.PHONY: install
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install: doc_install
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$(MKDIR) -p $(DESTDIR)$(BINDIR)
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$(INSTALL) rv -m 755 $(DESTDIR)$(BINDIR)
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$(STRIP) $(DESTDIR)$(BINDIR)/rv
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CFLAGS += $(INCLUDES) $(LIB_INCLUDES)
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.PHONY: clean tarball
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clean: doc_clean
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@test ! -f rv || rm rv
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@test ! -f $(TARBALL) || rm -f $(TARBALL)
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@rm -rf *~ $(OBJ) *.tar.$(CEXT)
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export CFLAGS OUTPUT srctree
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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/rv/* $(NAME)-$(VERSION)/Documentation/
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tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
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rm -rf $(NAME)-$(VERSION)
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$(RV): $(RV_IN)
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$(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RV) $(RV_IN) $(EXTLIBS)
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.PHONY: doc doc_clean doc_install
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doc:
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$(MAKE) -C $(DOCSRC)
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static: $(RV_IN)
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$(eval LDFLAGS += -static)
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$(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RV)-static $(RV_IN) $(EXTLIBS)
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doc_clean:
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$(MAKE) -C $(DOCSRC) clean
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rv.%: fixdep FORCE
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make -f $(srctree)/tools/build/Makefile.build dir=. $@
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doc_install:
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$(MAKE) -C $(DOCSRC) install
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$(RV_IN): fixdep FORCE
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make $(build)=rv
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clean: doc_clean fixdep-clean
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$(call QUIET_CLEAN, rv)
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$(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
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$(Q)rm -f rv rv-static fixdep FEATURE-DUMP rv-*
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$(Q)rm -rf feature
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.PHONY: FORCE clean
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47
tools/verification/rv/Makefile.config
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47
tools/verification/rv/Makefile.config
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@ -0,0 +1,47 @@
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# SPDX-License-Identifier: GPL-2.0-only
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STOP_ERROR :=
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LIBTRACEEVENT_MIN_VERSION = 1.5
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LIBTRACEFS_MIN_VERSION = 1.3
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define lib_setup
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$(eval LIB_INCLUDES += $(shell sh -c "$(PKG_CONFIG) --cflags lib$(1)"))
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$(eval EXTLIBS += -l$(1))
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endef
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$(call feature_check,libtraceevent)
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ifeq ($(feature-libtraceevent), 1)
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$(call detected,CONFIG_LIBTRACEEVENT)
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TEST = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 && echo y || echo n")
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ifeq ($(TEST),n)
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$(info libtraceevent version is too low, it must be at least $(LIBTRACEEVENT_MIN_VERSION))
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STOP_ERROR := 1
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endif
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$(call lib_setup,traceevent)
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else
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STOP_ERROR := 1
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$(info libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel)
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endif
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$(call feature_check,libtracefs)
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ifeq ($(feature-libtracefs), 1)
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$(call detected,CONFIG_LIBTRACEFS)
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TEST = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 && echo y || echo n")
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ifeq ($(TEST),n)
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$(info libtracefs version is too low, it must be at least $(LIBTRACEFS_MIN_VERSION))
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STOP_ERROR := 1
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endif
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$(call lib_setup,tracefs)
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else
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STOP_ERROR := 1
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$(info libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
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endif
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ifeq ($(STOP_ERROR),1)
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$(error Please, check the errors above.)
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endif
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51
tools/verification/rv/Makefile.rv
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51
tools/verification/rv/Makefile.rv
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@ -0,0 +1,51 @@
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# SPDX-License-Identifier: GPL-2.0-only
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define allow-override
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$(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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export CC AR STRIP PKG_CONFIG LD_SO_CONF_PATH LDCONFIG
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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 := -O -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 \
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-Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
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ifeq ($(CC),clang)
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FOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(FOPTS))
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WOPTS := $(filter-out -Wno-maybe-uninitialized, $(WOPTS))
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endif
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INCLUDE := -Iinclude/
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CFLAGS := -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(WOPTS) $(EXTRA_CFLAGS) $(INCLUDE)
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LDFLAGS := -ggdb $(EXTRA_LDFLAGS)
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INSTALL := install
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MKDIR := mkdir
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STRIP := strip
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BINDIR := /usr/bin
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.PHONY: install
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install: doc_install
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$(Q)$(MKDIR) -p $(DESTDIR)$(BINDIR)
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$(call QUIET_INSTALL,rv)$(INSTALL) $(OUTPUT)rv -m 755 $(DESTDIR)$(BINDIR)
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$(Q)@$(STRIP) $(DESTDIR)$(BINDIR)/rv
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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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4
tools/verification/rv/src/Build
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4
tools/verification/rv/src/Build
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@ -0,0 +1,4 @@
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rv-y += trace.o
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rv-y += utils.o
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rv-y += in_kernel.o
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rv-y += rv.o
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