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kbuild: sync misc scripts with Linux 3.18-rc1

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This commit imports some updates in misc scripts from Linux 3.18-rc1.

[1] commit cbb4d3e6510b99522719c5ef0 by Horia Geanta
scripts/kernel-doc: handle object-like macros

[2] commit 164f0d2efaaef83 by Michal Marek
kbuild: Fix handling of backslashes in *.cmd files

[3] commit 270a00963cd367214e by Randy Dunlap
scripts/kernel-doc: recognize __meminit

[4] commit a4954fd7724c0f55361eb5 by Masahiro Yamada
  kbuild: remove obj-n and lib-n handling

[5] commit 5b2389b45d1a9c12b9f by Masahiro Yamada
kbuild: simplify build, clean, modbuiltin shorthands

Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
This commit is contained in:
Masahiro Yamada 2014-10-30 11:06:13 +09:00 committed by Tom Rini
parent ad618992f7
commit 176d098277
5 changed files with 28 additions and 18 deletions
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2
Makefile
View File

@ -1444,7 +1444,7 @@ endif
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
# Usage:
# $(Q)$(MAKE) $(clean)=dir
clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
clean := -f $(srctree)/scripts/Makefile.clean obj
endif # skip-makefile

18
scripts/Kbuild.include
View File

@ -177,13 +177,13 @@ ld-ifversion = $(shell [ $(call ld-version) $(1) $(2) ] && echo $(3))
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
# Usage:
# $(Q)$(MAKE) $(build)=dir
build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
build := -f $(srctree)/scripts/Makefile.build obj
###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.modbuiltin obj=
# Usage:
# $(Q)$(MAKE) $(modbuiltin)=dir
modbuiltin := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.modbuiltin obj
modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj
# Prefix -I with $(srctree) if it is not an absolute path.
# skip if -I has no parameter
@ -221,11 +221,13 @@ else
arg-check = $(if $(strip $(cmd_$@)),,1)
endif
# >'< substitution is for echo to work,
# >$< substitution to preserve $ when reloading .cmd file
# note: when using inline perl scripts [perl -e '...$$t=1;...']
# in $(cmd_xxx) double $$ your perl vars
make-cmd = $(subst \\,\\\\,$(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))))
# Replace >$< with >$$< to preserve $ when reloading the .cmd file
# (needed for make)
# Replace >#< with >\#< 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 \#,\\\#,$(subst $$,$$$$,$(cmd_$(1)))))
# Find any prerequisites that is newer than target or that does not exist.
# PHONY targets skipped in both cases.
@ -236,7 +238,7 @@ any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
@set -e; \
$(echo-cmd) $(cmd_$(1)); \
echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
# Execute the command and also postprocess generated .d dependencies file.
if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \

4
scripts/Makefile.build
View File

@ -97,11 +97,11 @@ endif
# ===========================================================================
ifneq ($(strip $(lib-y) $(lib-m) $(lib-n) $(lib-)),)
ifneq ($(strip $(lib-y) $(lib-m) $(lib-)),)
lib-target := $(obj)/lib.a
endif
ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(subdir-m) $(lib-target)),)
ifneq ($(strip $(obj-y) $(obj-m) $(obj-) $(subdir-m) $(lib-target)),)
builtin-target := $(obj)/built-in.o
endif

6
scripts/Makefile.clean
View File

@ -10,7 +10,7 @@ __clean:
# Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
# Usage:
# $(Q)$(MAKE) $(clean)=dir
clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
clean := -f $(srctree)/scripts/Makefile.clean obj
# The filename Kbuild has precedence over Makefile
kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
@ -23,15 +23,13 @@ __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
subdir-y += $(__subdir-y)
__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
subdir-m += $(__subdir-m)
__subdir-n := $(patsubst %/,%,$(filter %/, $(obj-n)))
subdir-n += $(__subdir-n)
__subdir- := $(patsubst %/,%,$(filter %/, $(obj-)))
subdir- += $(__subdir-)
# Subdirectories we need to descend into
subdir-ym := $(sort $(subdir-y) $(subdir-m))
subdir-ymn := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
subdir-ymn := $(sort $(subdir-ym) $(subdir-))
# Add subdir path

16
scripts/kernel-doc
View File

@ -2073,6 +2073,7 @@ sub check_return_section {
sub dump_function($$) {
my $prototype = shift;
my $file = shift;
my $noret = 0;
$prototype =~ s/^static +//;
$prototype =~ s/^extern +//;
@ -2084,9 +2085,10 @@ sub dump_function($$) {
$prototype =~ s/^noinline +//;
$prototype =~ s/__init +//;
$prototype =~ s/__init_or_module +//;
$prototype =~ s/__meminit +//;
$prototype =~ s/__must_check +//;
$prototype =~ s/__weak +//;
$prototype =~ s/^#\s*define\s+//; #ak added
my $define = $prototype =~ s/^#\s*define\s+//; #ak added
$prototype =~ s/__attribute__\s*\(\([a-z,]*\)\)//;
# Yes, this truly is vile. We are looking for:
@ -2105,7 +2107,15 @@ sub dump_function($$) {
# - atomic_set (macro)
# - pci_match_device, __copy_to_user (long return type)
if ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
if ($define && $prototype =~ m/^()([a-zA-Z0-9_~:]+)\s+/) {
# This is an object-like macro, it has no return type and no parameter
# list.
# Function-like macros are not allowed to have spaces between
# declaration_name and opening parenthesis (notice the \s+).
$return_type = $1;
$declaration_name = $2;
$noret = 1;
} elsif ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
$prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
$prototype =~ m/^(\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
@ -2140,7 +2150,7 @@ sub dump_function($$) {
# of warnings goes sufficiently down, the check is only performed in
# verbose mode.
# TODO: always perform the check.
if ($verbose) {
if ($verbose && !$noret) {
check_return_section($file, $declaration_name, $return_type);
}