64 "ˆl–Ü4ý(© ³( Å €fàB¦-ÿ¿ ƒíƒÂà †# SPDX-License-Identifier: GPL-2.0 # ========================================================================== # Installing headers # # All headers under include/uapi, include/generated/uapi, # arch//include/uapi and arch//include/generated/uapi are # exported. # They are preprocessed to remove __KERNEL__ section of the file. # # ========================================================================== PHONY := __headers __headers: include $(srctree)/scripts/Kbuild.include src := $(srctree)/$(obj) gen := $(objtree)/$(subst include/,include/generated/,$(obj)) dst := usr/include -include $(src)/Kbuild # $(filter %/, ...) is a workaround for GNU Make <= 4.2.1, where # $(wildcard $(src)/*/) contains not only directories but also regular files. src-subdirs := $(patsubst $(src)/%/,%,$(filter %/, $(wildcard $(src)/*/))) gen-subdirs := $(patsubst $(gen)/%/,%,$(filter %/, $(wildcard $(gen)/*/))) all-subdirs := $(sort $(src-subdirs) $(gen-subdirs)) src-headers := $(if $(src-subdirs), $(shell cd $(src) && find $(src-subdirs) -name '*.h')) src-headers := $(filter-out $(no-export-headers), $(src-headers)) gen-headers := $(if $(gen-subdirs), $(shell cd $(gen) && find $(gen-subdirs) -name '*.h')) gen-headers := $(filter-out $(no-export-headers), $(gen-headers)) # If the same header is exported from source and generated directories, # the former takes precedence, but this should be warned. duplicated := $(filter $(gen-headers), $(src-headers)) $(if $(duplicated), $(warning duplicated header export: $(duplicated))) gen-headers := $(filter-out $(duplicated), $(gen-headers)) # Add dst path prefix all-subdirs := $(addprefix $(dst)/, $(all-subdirs)) src-headers := $(addprefix $(dst)/, $(src-headers)) gen-headers := $(addprefix $(dst)/, $(gen-headers)) all-headers := $(src-headers) $(gen-headers) # Work out what needs to be removed old-subdirs := $(wildcard $(all-subdirs)) old-headers := $(if $(old-subdirs),$(shell find $(old-subdirs) -name '*.h')) unwanted := $(filter-out $(all-headers), $(old-headers)) # Create directories existing-dirs := $(sort $(dir $(old-headers))) wanted-dirs := $(sort $(dir $(all-headers))) new-dirs := $(filter-out $(existing-dirs), $(wanted-dirs)) $(if $(new-dirs), $(shell mkdir -p $(new-dirs))) # Rules quiet_cmd_install = HDRINST $@ cmd_install = $(CONFIG_SHELL) $(srctree)/scripts/headers_install.sh $< $@ $(src-headers): $(dst)/%.h: $(src)/%.h $(srctree)/scripts/headers_install.sh FORCE $(call if_changed,install) $(gen-headers): $(dst)/%.h: $(gen)/%.h $(srctree)/scripts/headers_install.sh FORCE $(call if_changed,install) quiet_cmd_remove = REMOVE $(unwanted) cmd_remove = rm -f $(unwanted) __headers: $(all-headers) ifneq ($(unwanted),) $(call cmd,remove) endif @: existing-headers := $(filter $(old-headers), $(all-headers)) -include $(foreach f,$(existing-headers),$(dir $(f)).$(notdir $(f)).cmd) PHONY += FORCE FORCE: .PHONY: $(PHONY) !ÅÂÃ!File not found. #ÅÂÃ#File not found. %Åa–ßi~” *j"Tâ ÆÞ¸&”Å£Ä%File not found. %"'ˆl–ßi~””ÔD¨ ¥íÀàSÿÁ ƒd"¿Å 9'.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.42) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'