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.bin2c.cmd	385 B	-rw-r--r--
.extract-cert.cmd	463 B	-rw-r--r--
.insert-sys-cert.cmd	485 B	-rw-r--r--
.kallsyms.cmd	415 B	-rw-r--r--
.sign-file.cmd	433 B	-rw-r--r--
.sorttable.cmd	674 B	-rw-r--r--
Kbuild.include	9.33 KB	-rw-r--r--
Kconfig.include	2.56 KB	-rw-r--r--
Lindent	502 B	-rwxr-xr-x
Makefile	1.63 KB	-rw-r--r--
Makefile.asm-generic	1.82 KB	-rw-r--r--
Makefile.build	19.23 KB	-rw-r--r--
Makefile.clang	1.59 KB	-rw-r--r--
Makefile.clean	2.2 KB	-rw-r--r--
Makefile.compiler	2.69 KB	-rw-r--r--
Makefile.dtbinst	999 B	-rw-r--r--
Makefile.extrawarn	2.83 KB	-rw-r--r--
Makefile.gcc-plugins	2.69 KB	-rw-r--r--
Makefile.headersinst	2.88 KB	-rw-r--r--
Makefile.host	4.63 KB	-rw-r--r--
Makefile.kasan	1.67 KB	-rw-r--r--
Makefile.kcov	333 B	-rw-r--r--
Makefile.kcsan	739 B	-rw-r--r--
Makefile.lib	18.49 KB	-rw-r--r--
Makefile.modfinal	2.7 KB	-rw-r--r--
Makefile.modinst	2.39 KB	-rw-r--r--
Makefile.modpost	4.42 KB	-rw-r--r--
Makefile.package	6.61 KB	-rw-r--r--
Makefile.ubsan	837 B	-rw-r--r--
Makefile.userprogs	1.57 KB	-rw-r--r--
adjust_autoksyms.sh	2.07 KB	-rwxr-xr-x
as-version.sh	2.02 KB	-rwxr-xr-x
asn1_compiler	34.28 KB	-rwxr-xr-x
asn1_compiler.c	35.32 KB	-rw-r--r--
bin2c	15.71 KB	-rwxr-xr-x
bin2c.c	743 B	-rw-r--r--
bloat-o-meter	3.36 KB	-rwxr-xr-x
bootgraph.pl	5.64 KB	-rwxr-xr-x
bpf_doc.py	24.97 KB	-rwxr-xr-x
cc-can-link.sh	166 B	-rwxr-xr-x
cc-version.sh	1.51 KB	-rwxr-xr-x
check-sysctl-docs	4.37 KB	-rwxr-xr-x
check_extable.sh	4.93 KB	-rwxr-xr-x
checkdeclares.pl	1.1 KB	-rwxr-xr-x
checkincludes.pl	1.94 KB	-rwxr-xr-x
checkkconfigsymbols.py	15.35 KB	-rwxr-xr-x
checkpatch.pl	223.7 KB	-rwxr-xr-x
checkstack.pl	5.9 KB	-rwxr-xr-x
checksyscalls.sh	7.42 KB	-rwxr-xr-x
checkversion.pl	2.16 KB	-rwxr-xr-x
cleanfile	3.46 KB	-rwxr-xr-x
cleanpatch	5.06 KB	-rwxr-xr-x
coccicheck	7.89 KB	-rwxr-xr-x
config	4.67 KB	-rwxr-xr-x
const_structs.checkpatch	1009 B	-rw-r--r--
decode_stacktrace.sh	6.55 KB	-rwxr-xr-x
decodecode	2.88 KB	-rwxr-xr-x
depmod.sh	1.41 KB	-rwxr-xr-x
dev-needs.sh	6.07 KB	-rwxr-xr-x
diffconfig	3.72 KB	-rwxr-xr-x
documentation-file-ref-check	5.55 KB	-rwxr-xr-x
export_report.pl	4.5 KB	-rwxr-xr-x
extract-cert	17.23 KB	-rwxr-xr-x
extract-cert.c	3.46 KB	-rw-r--r--
extract-ikconfig	1.69 KB	-rwxr-xr-x
extract-module-sig.pl	3.66 KB	-rwxr-xr-x
extract-sys-certs.pl	3.75 KB	-rwxr-xr-x
extract-vmlinux	1.66 KB	-rwxr-xr-x
extract_xc3028.pl	44.62 KB	-rwxr-xr-x
faddr2line	6.15 KB	-rwxr-xr-x
file-size.sh	86 B	-rwxr-xr-x
find-unused-docs.sh	1.27 KB	-rwxr-xr-x
gcc-goto.sh	511 B	-rwxr-xr-x
gcc-ld	711 B	-rwxr-xr-x
gcc-x86_32-has-stack-protector...	408 B	-rwxr-xr-x
gcc-x86_64-has-stack-protector...	198 B	-rwxr-xr-x
gen_autoksyms.sh	1.47 KB	-rwxr-xr-x
gen_ksymdeps.sh	556 B	-rwxr-xr-x
generate_initcall_order.pl	5.95 KB	-rwxr-xr-x
get_abi.pl	15.1 KB	-rwxr-xr-x
get_dvb_firmware	24.54 KB	-rwxr-xr-x
get_feat.pl	14.34 KB	-rwxr-xr-x
get_maintainer.pl	67.13 KB	-rwxr-xr-x
gfp-translate	1.69 KB	-rwxr-xr-x
headerdep.pl	3.5 KB	-rwxr-xr-x
headers_check.pl	3.73 KB	-rwxr-xr-x
headers_install.sh	3.35 KB	-rwxr-xr-x
insert-sys-cert	21.45 KB	-rwxr-xr-x
insert-sys-cert.c	13.08 KB	-rw-r--r--
jobserver-exec	2.16 KB	-rwxr-xr-x
kallsyms	21.61 KB	-rwxr-xr-x
kallsyms.c	18.06 KB	-rw-r--r--
kernel-doc	68.21 KB	-rwxr-xr-x
ld-version.sh	1.67 KB	-rwxr-xr-x
leaking_addresses.pl	12.8 KB	-rwxr-xr-x
link-vmlinux.sh	10.67 KB	-rwxr-xr-x
makelst	808 B	-rwxr-xr-x
markup_oops.pl	7.92 KB	-rwxr-xr-x
min-tool-version.sh	558 B	-rwxr-xr-x
mkcompile_h	2.48 KB	-rwxr-xr-x
mksysmap	1.33 KB	-rwxr-xr-x
mkuboot.sh	414 B	-rwxr-xr-x
module.lds	485 B	-rw-r--r--
module.lds.S	1.54 KB	-rw-r--r--
modules-check.sh	427 B	-rwxr-xr-x
nsdeps	1.72 KB	-rw-r--r--
objdiff	2.84 KB	-rwxr-xr-x
pahole-flags.sh	502 B	-rwxr-xr-x
pahole-version.sh	269 B	-rwxr-xr-x
parse-maintainers.pl	4.54 KB	-rwxr-xr-x
patch-kernel	9.95 KB	-rwxr-xr-x
profile2linkerlist.pl	414 B	-rwxr-xr-x
prune-kernel	708 B	-rwxr-xr-x
recordmcount.c	16.69 KB	-rw-r--r--
recordmcount.h	19.37 KB	-rw-r--r--
recordmcount.pl	17.63 KB	-rwxr-xr-x
remove-stale-files	1.3 KB	-rwxr-xr-x
setlocalversion	3.5 KB	-rwxr-xr-x
show_delta	3.01 KB	-rwxr-xr-x
sign-file	25.8 KB	-rwxr-xr-x
sign-file.c	9.76 KB	-rw-r--r--
sorttable	20.81 KB	-rwxr-xr-x
sorttable.c	8.74 KB	-rw-r--r--
sorttable.h	9.65 KB	-rw-r--r--
spdxcheck-test.sh	277 B	-rw-r--r--
spdxcheck.py	10.09 KB	-rwxr-xr-x
spelling.txt	31.88 KB	-rw-r--r--
sphinx-pre-install	24.45 KB	-rwxr-xr-x
split-man.pl	604 B	-rwxr-xr-x
stackdelta	1.84 KB	-rwxr-xr-x
stackusage	794 B	-rwxr-xr-x
subarch.include	619 B	-rw-r--r--
syscallhdr.sh	1.89 KB	-rwxr-xr-x
syscallnr.sh	1.45 KB	-rwxr-xr-x
syscalltbl.sh	1.45 KB	-rwxr-xr-x
tags.sh	9.55 KB	-rwxr-xr-x
tools-support-relr.sh	546 B	-rwxr-xr-x
ubuntu-retpoline-extract-one	7.26 KB	-rw-r--r--
unifdef.c	34.8 KB	-rw-r--r--
ver_linux	2.59 KB	-rwxr-xr-x
xen-hypercalls.sh	386 B	-rwxr-xr-x
xz_wrap.sh	563 B	-rwxr-xr-x

Code Editor : Kbuild.include

# SPDX-License-Identifier: GPL-2.0
####
# kbuild: Generic definitions

# Convenient variables
comma   := ,
quote   := "
squote  := '
empty   :=
space   := $(empty) $(empty)
space_escape := _-_SPACE_-_
pound := \#

###
# Name of target with a '.' as filename prefix. foo/bar.o => foo/.bar.o
dot-target = $(dir $@).$(notdir $@)

###
# The temporary file to save gcc -MMD generated dependencies must not
# contain a comma
depfile = $(subst $(comma),_,$(dot-target).d)

###
# filename of target with directory and extension stripped
basetarget = $(basename $(notdir $@))

###
# real prerequisites without phony targets
real-prereqs = $(filter-out $(PHONY), $^)

###
# Escape single quote for use in echo statements
escsq = $(subst $(squote),'\$(squote)',$1)

###
# Quote a string to pass it to C files. foo => '"foo"'
stringify = $(squote)$(quote)$1$(quote)$(squote)

###
# Easy method for doing a status message
       kecho := :
 quiet_kecho := echo
silent_kecho := :
kecho := $($(quiet)kecho)

###
# filechk is used to check if the content of a generated file is updated.
# Sample usage:
#
# filechk_sample = echo $(KERNELRELEASE)
# version.h: FORCE
#	$(call filechk,sample)
#
# The rule defined shall write to stdout the content of the new file.
# The existing file will be compared with the new one.
# - If no file exist it is created
# - If the content differ the new file is used
# - If they are equal no change, and no timestamp update
define filechk
	$(check-FORCE)
	$(Q)set -e;						\
	mkdir -p $(dir $@);					\
	trap "rm -f $(dot-target).tmp" EXIT;			\
	{ $(filechk_$(1)); } > $(dot-target).tmp;		\
	if [ ! -r $@ ] || ! cmp -s $@ $(dot-target).tmp; then	\
		$(kecho) '  UPD     $@';			\
		mv -f $(dot-target).tmp $@;			\
	fi
endef

###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
# Usage:
# $(Q)$(MAKE) $(build)=dir
build := -f $(srctree)/scripts/Makefile.build obj

###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj=
# Usage:
# $(Q)$(MAKE) $(dtbinst)=dir
dtbinst := -f $(srctree)/scripts/Makefile.dtbinst obj

###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
# Usage:
# $(Q)$(MAKE) $(clean)=dir
clean := -f $(srctree)/scripts/Makefile.clean obj

# echo command.
# Short version is used, if $(quiet) equals `quiet_', otherwise full one.
echo-cmd = $(if $($(quiet)cmd_$(1)),\
	echo '  $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)

# sink stdout for 'make -s'
       redirect :=
 quiet_redirect :=
silent_redirect := exec >/dev/null;

# printing commands
cmd = @set -e; $(echo-cmd) $($(quiet)redirect) $(cmd_$(1))

###
# if_changed      - execute command if any prerequisite is newer than
#                   target, or command line has changed
# if_changed_dep  - as if_changed, but uses fixdep to reveal dependencies
#                   including used config symbols
# if_changed_rule - as if_changed but execute rule instead
# See Documentation/kbuild/makefiles.rst for more info

ifneq ($(KBUILD_NOCMDDEP),1)
# Check if both commands are the same including their order. Result is empty
# string if equal. User may override this check using make KBUILD_NOCMDDEP=1
cmd-check = $(filter-out $(subst $(space),$(space_escape),$(strip $(cmd_$@))), \
                         $(subst $(space),$(space_escape),$(strip $(cmd_$1))))
else
cmd-check = $(if $(strip $(cmd_$@)),,1)
endif

# Replace >$< with >$$< to preserve $ when reloading the .cmd file
# (needed for make)
# Replace >#< with >$(pound)< to avoid starting a comment in the .cmd file
# (needed for make)
# Replace >'< with >'\''< to be able to enclose the whole string in '...'
# (needed for the shell)
make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1)))))

# Find any prerequisites that are newer than target or that do not exist.
# (This is not true for now; $? should contain any non-existent prerequisites,
# but it does not work as expected when .SECONDARY is present. This seems a bug
# of GNU Make.)
# PHONY targets skipped in both cases.
newer-prereqs = $(filter-out $(PHONY),$?)

# It is a typical mistake to forget the FORCE prerequisite. Check it here so
# no more breakage will slip in.
check-FORCE = $(if $(filter FORCE, $^),,$(warning FORCE prerequisite is missing))

if-changed-cond = $(newer-prereqs)$(cmd-check)$(check-FORCE)

# Execute command if command has changed or prerequisite(s) are updated.
if_changed = $(if $(if-changed-cond),                                        \
	$(cmd);                                                              \
	printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:)

# Execute the command and also postprocess generated .d dependencies file.
if_changed_dep = $(if $(if-changed-cond),$(cmd_and_fixdep),@:)

cmd_and_fixdep =                                                             \
	$(cmd);                                                              \
	scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).cmd;\
	rm -f $(depfile)

# Usage: $(call if_changed_rule,foo)
# Will check if $(cmd_foo) or any of the prerequisites changed,
# and if so will execute $(rule_foo).
if_changed_rule = $(if $(if-changed-cond),$(rule_$(1)),@:)

###
# why - tell why a target got built
#       enabled by make V=2
#       Output (listed in the order they are checked):
#          (1) - due to target is PHONY
#          (2) - due to target missing
#          (3) - due to: file1.h file2.h
#          (4) - due to command line change
#          (5) - due to missing .cmd file
#          (6) - due to target not in $(targets)
# (1) PHONY targets are always build
# (2) No target, so we better build it
# (3) Prerequisite is newer than target
# (4) The command line stored in the file named dir/.target.cmd
#     differed from actual command line. This happens when compiler
#     options changes
# (5) No dir/.target.cmd file (used to store command line)
# (6) No dir/.target.cmd file and target not listed in $(targets)
#     This is a good hint that there is a bug in the kbuild file
ifeq ($(KBUILD_VERBOSE),2)
why =                                                                        \
    $(if $(filter $@, $(PHONY)),- due to target is PHONY,                    \
        $(if $(wildcard $@),                                                 \
            $(if $(newer-prereqs),- due to: $(newer-prereqs),                \
                $(if $(cmd-check),                                           \
                    $(if $(cmd_$@),- due to command line change,             \
                        $(if $(filter $@, $(targets)),                       \
                            - due to missing .cmd file,                      \
                            - due to $(notdir $@) not in $$(targets)         \
                         )                                                   \
                     )                                                       \
                 )                                                           \
             ),                                                              \
             - due to target missing                                         \
         )                                                                   \
     )

echo-why = $(call escsq, $(strip $(why)))
endif

###############################################################################
#
# When a Kconfig string contains a filename, it is suitable for
# passing to shell commands. It is surrounded by double-quotes, and
# any double-quotes or backslashes within it are escaped by
# backslashes.
#
# This is no use for dependencies or $(wildcard). We need to strip the
# surrounding quotes and the escaping from quotes and backslashes, and
# we *do* need to escape any spaces in the string. So, for example:
#
# Usage: $(eval $(call config_filename,FOO))
#
# Defines FOO_FILENAME based on the contents of the CONFIG_FOO option,
# transformed as described above to be suitable for use within the
# makefile.
#
# Also, if the filename is a relative filename and exists in the source
# tree but not the build tree, define FOO_SRCPREFIX as $(srctree)/ to
# be prefixed to *both* command invocation and dependencies.
#
# Note: We also print the filenames in the quiet_cmd_foo text, and
# perhaps ought to have a version specially escaped for that purpose.
# But it's only cosmetic, and $(patsubst "%",%,$(CONFIG_FOO)) is good
# enough.  It'll strip the quotes in the common case where there's no
# space and it's a simple filename, and it'll retain the quotes when
# there's a space. There are some esoteric cases in which it'll print
# the wrong thing, but we don't really care. The actual dependencies
# and commands *do* get it right, with various combinations of single
# and double quotes, backslashes and spaces in the filenames.
#
###############################################################################
#
define config_filename
ifneq ($$(CONFIG_$(1)),"")
$(1)_FILENAME := $$(subst \\,\,$$(subst \$$(quote),$$(quote),$$(subst $$(space_escape),\$$(space),$$(patsubst "%",%,$$(subst $$(space),$$(space_escape),$$(CONFIG_$(1)))))))
ifneq ($$(patsubst /%,%,$$(firstword $$($(1)_FILENAME))),$$(firstword $$($(1)_FILENAME)))
else
ifeq ($$(wildcard $$($(1)_FILENAME)),)
ifneq ($$(wildcard $$(srctree)/$$($(1)_FILENAME)),)
$(1)_SRCPREFIX := $(srctree)/
endif
endif
endif
endif
endef
#
###############################################################################

# delete partially updated (i.e. corrupted) files on error
.DELETE_ON_ERROR:

# do not delete intermediate files automatically
.SECONDARY:

${this.title}

Code Editor : Kbuild.include