mirror of
https://github.com/checkpoint-restore/criu.git
synced 2026-01-23 02:14:37 +00:00
156c8da33c
The patch is similar to what has been done in linux kernel, as this
warning effectively prevents us from adding list elements to local list
head. See 49beadbd47
Else we have:
CC criu/mount.o
In file included from criu/include/cr_options.h:7,
from criu/mount.c:13:
In function '__list_add',
inlined from 'list_add' at include/common/list.h:41:2,
inlined from 'mnt_tree_for_each' at criu/mount.c:1977:2:
include/common/list.h:35:19: error: storing the address of local variable 'postpone' in
'((struct list_head *)((char *)start + 8))[24].prev' [-Werror=dangling-pointer=]
35 | new->prev = prev;
| ~~~~~~~~~~^~~~~~
criu/mount.c: In function 'mnt_tree_for_each':
criu/mount.c:1972:19: note: 'postpone' declared here
1972 | LIST_HEAD(postpone);
| ^~~~~~~~
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
479 lines
13 KiB
Makefile
479 lines
13 KiB
Makefile
__nmk_dir=$(CURDIR)/scripts/nmk/scripts/
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export __nmk_dir
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#
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# No need to try to remake our Makefiles
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Makefile: ;
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Makefile.%: ;
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scripts/%.mak: ;
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$(__nmk_dir)%.mk: ;
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#
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# Import the build engine
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include $(__nmk_dir)include.mk
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include $(__nmk_dir)macro.mk
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ifeq ($(origin HOSTCFLAGS), undefined)
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HOSTCFLAGS := $(CFLAGS) $(USERCFLAGS)
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endif
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#
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# Supported Architectures
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ifneq ($(filter-out x86 arm aarch64 ppc64 s390 mips,$(ARCH)),)
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$(error "The architecture $(ARCH) isn't supported")
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endif
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# The PowerPC 64 bits architecture could be big or little endian.
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# They are handled in the same way.
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ifeq ($(SUBARCH),ppc64)
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error := $(error ppc64 big endian is not yet supported)
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endif
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#
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# Architecture specific options.
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ifeq ($(ARCH),arm)
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ARMV := $(shell echo $(SUBARCH) | sed -nr 's/armv([[:digit:]]).*/\1/p; t; i7')
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ifeq ($(ARMV),6)
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USERCFLAGS += -march=armv6
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endif
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ifeq ($(ARMV),7)
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USERCFLAGS += -march=armv7-a+fp
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endif
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ifeq ($(ARMV),8)
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# Running 'setarch linux32 uname -m' returns armv8l on travis aarch64.
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# This tells CRIU to handle armv8l just as armv7hf. Right now this is
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# only used for compile testing. No further verification of armv8l exists.
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USERCFLAGS += -march=armv7-a
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ARMV := 7
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endif
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DEFINES := -DCONFIG_ARMV$(ARMV) -DCONFIG_VDSO_32
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PROTOUFIX := y
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# For simplicity - compile code in Arm mode without interwork.
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# We could choose Thumb mode as default instead - but a dirty
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# experiment shows that with 90Kb PIEs Thumb code doesn't save
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# even one page. So, let's stick so far to Arm mode as it's more
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# universal around all different Arm variations, until someone
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# will find any use for Thumb mode. -dima
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CFLAGS_PIE := -marm
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endif
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ifeq ($(ARCH),aarch64)
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DEFINES := -DCONFIG_AARCH64
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endif
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ifeq ($(ARCH),ppc64)
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LDARCH := powerpc:common64
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DEFINES := -DCONFIG_PPC64 -D__SANE_USERSPACE_TYPES__
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endif
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ifeq ($(ARCH),x86)
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LDARCH := i386:x86-64
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DEFINES := -DCONFIG_X86_64
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endif
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ifeq ($(ARCH),mips)
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DEFINES := -DCONFIG_MIPS
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endif
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#
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# CFLAGS_PIE:
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#
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# Ensure with -fno-optimize-sibling-calls that we don't create GOT
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# (Global Offset Table) relocations with gcc compilers that don't have
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# commit "S/390: Fix 64 bit sibcall".
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ifeq ($(ARCH),s390)
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ARCH := s390
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DEFINES := -DCONFIG_S390
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CFLAGS_PIE := -fno-optimize-sibling-calls
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endif
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CFLAGS_PIE += -DCR_NOGLIBC
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export CFLAGS_PIE
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LDARCH ?= $(ARCH)
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export LDARCH
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export PROTOUFIX DEFINES
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#
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# Independent options for all tools.
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DEFINES += -D_FILE_OFFSET_BITS=64
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DEFINES += -D_GNU_SOURCE
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WARNINGS := -Wall -Wformat-security -Wdeclaration-after-statement -Wstrict-prototypes
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# -Wdangling-pointer results in false warning when we add a list element to
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# local list head variable. It is false positive because before leaving the
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# function we always check that local list head variable is empty, thus
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# insuring that pointer to it is not dangling anywhere, but gcc can't
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# understand it.
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# Note: There is similar problem with kernel list, where this warning is also
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# disabled: https://github.com/torvalds/linux/commit/49beadbd47c2
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WARNINGS += -Wno-dangling-pointer -Wno-unknown-warning-option
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CFLAGS-GCOV := --coverage -fno-exceptions -fno-inline -fprofile-update=atomic
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export CFLAGS-GCOV
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ifeq ($(ARCH),mips)
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WARNINGS := -rdynamic
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endif
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ifneq ($(GCOV),)
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LDFLAGS += -lgcov
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CFLAGS += $(CFLAGS-GCOV)
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endif
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ifeq ($(ASAN),1)
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CFLAGS-ASAN := -fsanitize=address
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export CFLAGS-ASAN
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CFLAGS += $(CFLAGS-ASAN)
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endif
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ifneq ($(WERROR),0)
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WARNINGS += -Werror
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endif
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ifeq ($(DEBUG),1)
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DEFINES += -DCR_DEBUG
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CFLAGS += -O0 -ggdb3
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else
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CFLAGS += -O2 -g
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endif
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ifeq ($(GMON),1)
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CFLAGS += -pg
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GMONLDOPT += -pg
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export GMON GMONLDOPT
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endif
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AFLAGS += -D__ASSEMBLY__
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CFLAGS += $(USERCFLAGS) $(WARNINGS) $(DEFINES) -iquote include/
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HOSTCFLAGS += $(WARNINGS) $(DEFINES) -iquote include/
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export AFLAGS CFLAGS USERCLFAGS HOSTCFLAGS
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# Default target
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all: criu lib crit
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.PHONY: all
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#
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# Version headers.
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include Makefile.versions
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VERSION_HEADER := criu/include/version.h
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GITID_FILE := .gitid
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GITID := $(shell if [ -d ".git" ]; then git describe --always; fi)
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# Git repository wasn't inited in CRIU folder
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ifeq ($(GITID),)
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GITID := 0
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else
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GITID_FILE_VALUE := $(shell if [ -f '$(GITID_FILE)' ]; then if [ `cat '$(GITID_FILE)'` = $(GITID) ]; then echo y; fi; fi)
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ifneq ($(GITID_FILE_VALUE),y)
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.PHONY: $(GITID_FILE)
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endif
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endif
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$(GITID_FILE):
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$(call msg-gen, $@)
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$(Q) echo "$(GITID)" > $(GITID_FILE)
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$(VERSION_HEADER): Makefile.versions $(GITID_FILE)
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$(call msg-gen, $@)
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$(Q) echo "/* Autogenerated, do not edit */" > $@
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$(Q) echo "#ifndef __CR_VERSION_H__" >> $@
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$(Q) echo "#define __CR_VERSION_H__" >> $@
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$(Q) echo "#define CRIU_VERSION \"$(CRIU_VERSION)\"" >> $@
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$(Q) echo "#define CRIU_VERSION_MAJOR " $(CRIU_VERSION_MAJOR) >> $@
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$(Q) echo "#define CRIU_VERSION_MINOR " $(CRIU_VERSION_MINOR) >> $@
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ifneq ($(CRIU_VERSION_SUBLEVEL),)
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$(Q) echo "#define CRIU_VERSION_SUBLEVEL " $(CRIU_VERSION_SUBLEVEL) >> $@
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endif
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ifneq ($(CRIU_VERSION_EXTRA),)
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$(Q) echo "#define CRIU_VERSION_EXTRA " $(CRIU_VERSION_EXTRA) >> $@
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endif
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$(Q) echo "#define CRIU_GITID \"$(GITID)\"" >> $@
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$(Q) echo "#endif /* __CR_VERSION_H__ */" >> $@
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criu-deps += $(VERSION_HEADER)
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#
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# Setup proper link for asm headers in common code.
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include/common/asm: include/common/arch/$(ARCH)/asm
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$(call msg-gen, $@)
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$(Q) ln -s ./arch/$(ARCH)/asm $@
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criu-deps += include/common/asm
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#
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# Configure variables.
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export CONFIG_HEADER := include/common/config.h
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ifeq ($(filter tags etags cscope clean lint indent fetch-clang-format help mrproper,$(MAKECMDGOALS)),)
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include Makefile.config
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else
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# To clean all files, enable make/build options here
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export CONFIG_COMPAT := y
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export CONFIG_GNUTLS := y
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export CONFIG_HAS_LIBBPF := y
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endif
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#
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# Protobuf images first, they are not depending
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# on anything else.
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$(eval $(call gen-built-in,images))
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criu-deps += images/built-in.o
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#
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# Compel get used by CRIU, build it earlier
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include Makefile.compel
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#
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# Next the socket CR library
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#
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SOCCR_A := soccr/libsoccr.a
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soccr/Makefile: ;
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soccr/%: $(CONFIG_HEADER) .FORCE
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$(Q) $(MAKE) $(build)=soccr $@
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soccr/built-in.o: $(CONFIG_HEADER) .FORCE
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$(Q) $(MAKE) $(build)=soccr all
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$(SOCCR_A): |soccr/built-in.o
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criu-deps += $(SOCCR_A)
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#
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# CRIU building done in own directory
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# with slightly different rules so we
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# can't use nmk engine directly (we
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# build syscalls library and such).
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#
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# But note that we're already included
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# the nmk so we can reuse it there.
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criu/Makefile: ;
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criu/Makefile.packages: ;
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criu/Makefile.crtools: ;
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criu/%: $(criu-deps) .FORCE
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$(Q) $(MAKE) $(build)=criu $@
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criu: $(criu-deps)
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$(Q) $(MAKE) $(build)=criu all
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.PHONY: criu
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crit/Makefile: ;
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crit/%: criu .FORCE
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$(Q) $(MAKE) $(build)=crit $@
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crit: criu
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$(Q) $(MAKE) $(build)=crit all
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.PHONY: crit
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unittest: $(criu-deps)
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$(Q) $(MAKE) $(build)=criu unittest
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.PHONY: unittest
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#
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# Libraries next once crit it ready
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# (we might generate headers and such
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# when building criu itself).
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lib/Makefile: ;
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lib/%: crit .FORCE
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$(Q) $(MAKE) $(build)=lib $@
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lib: crit
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$(Q) $(MAKE) $(build)=lib all
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.PHONY: lib
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clean mrproper:
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$(Q) $(MAKE) $(build)=images $@
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$(Q) $(MAKE) $(build)=criu $@
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$(Q) $(MAKE) $(build)=soccr $@
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$(Q) $(MAKE) $(build)=lib $@
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$(Q) $(MAKE) $(build)=compel $@
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$(Q) $(MAKE) $(build)=compel/plugins $@
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$(Q) $(MAKE) $(build)=lib $@
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$(Q) $(MAKE) $(build)=crit $@
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.PHONY: clean mrproper
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clean-amdgpu_plugin:
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$(Q) $(MAKE) -C plugins/amdgpu clean
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.PHONY: clean-amdgpu_plugin
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clean-top:
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$(Q) $(MAKE) -C Documentation clean
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$(Q) $(MAKE) $(build)=test/compel clean
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$(Q) $(RM) .gitid
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.PHONY: clean-top
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clean: clean-top clean-amdgpu_plugin
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mrproper-top: clean-top clean-amdgpu_plugin
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$(Q) $(RM) $(CONFIG_HEADER)
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$(Q) $(RM) $(VERSION_HEADER)
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$(Q) $(RM) $(COMPEL_VERSION_HEADER)
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$(Q) $(RM) include/common/asm
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$(Q) $(RM) compel/include/asm
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$(Q) $(RM) cscope.*
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$(Q) $(RM) tags TAGS
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.PHONY: mrproper-top
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mrproper: mrproper-top
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#
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# Non-CRIU stuff.
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#
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docs:
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$(Q) $(MAKE) -s -C Documentation all
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.PHONY: docs
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zdtm: all
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$(Q) $(MAKE) -C test/zdtm all
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.PHONY: zdtm
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test: zdtm
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$(Q) $(MAKE) -C test
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.PHONY: test
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amdgpu_plugin: criu
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$(Q) $(MAKE) -C plugins/amdgpu all
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.PHONY: amdgpu_plugin
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#
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# Generating tar requires tag matched CRIU_VERSION.
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# If not found then simply use GIT's describe with
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# "v" prefix stripped.
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head-name := $(shell git tag -l v$(CRIU_VERSION))
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ifeq ($(head-name),)
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head-name := $(shell git describe 2>/dev/null)
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endif
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# If no git tag could describe current commit,
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# use pre-defined CRIU_VERSION with GITID (if any).
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ifeq ($(head-name),)
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ifneq ($(GITID),)
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head-name := $(CRIU_VERSION)-$(GITID)
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else
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head-name := $(CRIU_VERSION)
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endif
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endif
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tar-name := $(shell echo $(head-name) | sed -e 's/^v//g')
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criu-$(tar-name).tar.bz2:
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git archive --format tar --prefix 'criu-$(tar-name)/' $(head-name) | bzip2 > $@
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dist tar: criu-$(tar-name).tar.bz2 ;
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.PHONY: dist tar
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TAGS_FILES_REGEXP := . -name '*.[hcS]' ! -path './.*' \( ! -path './test/*' -o -path './test/zdtm/lib/*' \)
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tags:
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$(call msg-gen, $@)
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$(Q) $(RM) tags
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$(Q) $(FIND) $(TAGS_FILES_REGEXP) -print | xargs $(CTAGS) -a
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.PHONY: tags
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etags:
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$(call msg-gen, $@)
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$(Q) $(RM) TAGS
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$(Q) $(FIND) $(TAGS_FILES_REGEXP) -print | xargs $(ETAGS) -a
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.PHONY: etags
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cscope:
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$(call msg-gen, $@)
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$(Q) $(FIND) $(TAGS_FILES_REGEXP) ! -type l -print > cscope.files
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$(Q) $(CSCOPE) -bkqu
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.PHONY: cscope
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gcov:
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$(E) " GCOV"
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$(Q) test -d gcov || mkdir gcov && \
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geninfo --output-filename gcov/criu.info --no-recursion criu/ && \
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cd gcov && \
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genhtml --rc lcov_branch_coverage=1 --output-directory html criu.info
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@echo "Code coverage report is in `pwd`/gcov/html/ directory."
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.PHONY: gcov
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|
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docker-build:
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$(MAKE) -C scripts/build/ x86_64
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.PHONY: docker-build
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|
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docker-test:
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docker run --rm --privileged -v /lib/modules:/lib/modules --network=host --cgroupns=host criu-x86_64 \
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./test/zdtm.py run -a --keep-going --ignore-taint
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.PHONY: docker-test
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help:
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@echo ' Targets:'
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|
@echo ' all - Build all [*] targets'
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|
@echo ' * criu - Build criu'
|
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@echo ' zdtm - Build zdtm test-suite'
|
|
@echo ' docs - Build documentation'
|
|
@echo ' install - Install CRIU (see INSTALL.md)'
|
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@echo ' uninstall - Uninstall CRIU'
|
|
@echo ' dist - Create a source tarball'
|
|
@echo ' clean - Clean most, but leave enough to navigate'
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@echo ' mrproper - Delete all compiled/generated files'
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|
@echo ' tags - Generate tags file (ctags)'
|
|
@echo ' etags - Generate TAGS file (etags)'
|
|
@echo ' cscope - Generate cscope database'
|
|
@echo ' test - Run zdtm test-suite'
|
|
@echo ' gcov - Make code coverage report'
|
|
@echo ' unittest - Run unit tests'
|
|
@echo ' lint - Run code linters'
|
|
@echo ' indent - Indent C code'
|
|
@echo ' amdgpu_plugin - Make AMD GPU plugin'
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|
.PHONY: help
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|
|
|
lint:
|
|
flake8 --version
|
|
flake8 --config=scripts/flake8.cfg test/zdtm.py
|
|
flake8 --config=scripts/flake8.cfg test/inhfd/*.py
|
|
flake8 --config=scripts/flake8.cfg test/others/rpc/config_file.py
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|
flake8 --config=scripts/flake8.cfg lib/py/images/pb2dict.py
|
|
flake8 --config=scripts/flake8.cfg lib/py/images/images.py
|
|
flake8 --config=scripts/flake8.cfg scripts/criu-ns
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|
flake8 --config=scripts/flake8.cfg scripts/crit-setup.py
|
|
flake8 --config=scripts/flake8.cfg coredump/
|
|
shellcheck --version
|
|
shellcheck scripts/*.sh
|
|
shellcheck scripts/ci/*.sh scripts/ci/apt-install
|
|
shellcheck -x test/others/crit/*.sh
|
|
shellcheck -x test/others/libcriu/*.sh
|
|
shellcheck -x test/others/crit/*.sh test/others/criu-coredump/*.sh
|
|
shellcheck -x test/others/config-file/*.sh
|
|
codespell -S tags
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|
# Do not append \n to pr_perror or fail
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|
! git --no-pager grep -E '^\s*\<(pr_perror|fail)\>.*\\n"'
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|
# Do not use %m with pr_perror or fail
|
|
! git --no-pager grep -E '^\s*\<(pr_(err|perror|warn|debug|info|msg)|fail)\>.*%m'
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|
# Do not use errno with pr_perror or fail
|
|
! git --no-pager grep -E '^\s*\<(pr_perror|fail)\>\(".*".*errno'
|
|
# End pr_(err|warn|msg|info|debug) with \n
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|
! git --no-pager grep -En '^\s*\<pr_(err|warn|msg|info|debug)\>.*);$$' | grep -v '\\n'
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|
# No EOL whitespace for C files
|
|
! git --no-pager grep -E '\s+$$' \*.c \*.h
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|
.PHONY: lint
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|
|
|
codecov: SHELL := $(shell which bash)
|
|
codecov:
|
|
curl -Os https://uploader.codecov.io/latest/linux/codecov
|
|
chmod +x codecov
|
|
./codecov
|
|
.PHONY: codecov
|
|
|
|
fetch-clang-format: .FORCE
|
|
$(E) ".clang-format"
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|
$(Q) scripts/fetch-clang-format.sh
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|
|
|
BASE ?= "HEAD~1"
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|
OPTS ?= "--quiet"
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|
indent:
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|
git clang-format --style file --extensions c,h $(OPTS) $(BASE)
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.PHONY: indent
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include Makefile.install
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.DEFAULT_GOAL := all
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# Disable implicit rules in _this_ Makefile.
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.SUFFIXES:
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#
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# Optional local include.
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-include Makefile.local
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