-# ===========================================================================
-# kbuild: Generic definitions
-# ===========================================================================
-
-# Standard vars
-
-comma := ,
-empty :=
-space := $(empty) $(empty)
-
# Backward compatibility - to be removed...
extra-y += $(EXTRA_TARGETS)
# Figure out what we need to build from the various variables
subdir-ym := $(addprefix $(obj)/,$(subdir-ym))
obj-dirs := $(addprefix $(obj)/,$(obj-dirs))
-# The temporary file to save gcc -MD generated dependencies must not
-# contain a comma
-depfile = $(subst $(comma),_,$(@D)/.$(@F).d)
-
# These flags are needed for modversions and compiling, so we define them here
# already
# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will
# Note: It's possible that one object gets potentially linked into more
# than one module. In that case KBUILD_MODNAME will be set to foo_bar,
# where foo and bar are the name of the modules.
-basename_flags = -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F)))
-modname_flags = $(if $(filter 1,$(words $(modname))),-DKBUILD_MODNAME=$(subst $(comma),_,$(subst -,_,$(modname))))
+name-fix = $(subst $(comma),_,$(subst -,_,$1))
+basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(*F)))"
+modname_flags = $(if $(filter 1,$(words $(modname))),\
+ -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")
_c_flags = $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$(*F).o)
_a_flags = $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(CPPFLAGS) \
$(__c_flags) $(modkern_cflags) \
- $(basename_flags) $(modname_flags)
+ -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags)
a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(CPPFLAGS) \
$(__a_flags) $(modkern_aflags)
quiet_cmd_gzip = GZIP $@
cmd_gzip = gzip -f -9 < $< > $@
-# ===========================================================================
-# Generic stuff
-# ===========================================================================
-# function to only execute the passed command if necessary
-# >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file
-# note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars
-
-if_changed = $(if $(strip $? \
- $(filter-out $(cmd_$(1)),$(cmd_$@))\
- $(filter-out $(cmd_$@),$(cmd_$(1)))),\
- @set -e; \
- $(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) \
- $(cmd_$(1)); \
- echo 'cmd_$@ := $(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).cmd)
-
-
-# execute the command and also postprocess generated .d dependencies
-# file
-
-if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
- $(filter-out $(cmd_$(1)),$(cmd_$@))\
- $(filter-out $(cmd_$@),$(cmd_$(1)))),\
- @set -e; \
- $(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))';) \
- $(cmd_$(1)); \
- scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(subst ','\'',$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \
- rm -f $(depfile); \
- mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd)
-
-# Usage: $(call if_changed_rule,foo)
-# will check if $(cmd_foo) changed, or any of the prequisites changed,
-# and if so will execute $(rule_foo)
-
-if_changed_rule = $(if $(strip $? \
- $(filter-out $(cmd_$(1)),$(cmd_$@))\
- $(filter-out $(cmd_$@),$(cmd_$(1)))),\
- @set -e; \
- $(rule_$(1)))
-
-# If quiet is set, only print short version of command
-
-cmd = @$(if $($(quiet)cmd_$(1)),echo ' $(subst ','\'',$($(quiet)cmd_$(1)))' &&) $(cmd_$(1))
-
-# $(call descend,<dir>,<target>)
-# Recursively call a sub-make in <dir> with target <target>
-# Usage is deprecated, because make do not see this as an invocation of make.
-descend =$(Q)$(MAKE) -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj=$(1) $(2)
-
-# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
-# Usage:
-# $(Q)$(MAKE) $(build)=dir
-build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj