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88181ec30f
Move it to the top-level file to decide if we install/check
the generic headers or the arch specific headers.
This revealed a long standing bug where "make headers_check_all"
relied on the files in asm/ for the current architecture.
So make headers_check_all is now broken by this commit.
In addition:
o add a simpler way to detect if an arch support
exporting header files.
o add 'set -e;' so we error out early if
make headers_check_all fails.
o add sparc64 and cris to arch we do not process
in make headers_*_all because:
sparc64 - use sparc to export headers
cris - is know seriously broken
Includes suggestions from: David Woodhouse
<dwmw2@infradead.org>.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: David Woodhouse <dwmw2@infradead.org>
116 lines
3.6 KiB
Text
116 lines
3.6 KiB
Text
# ==========================================================================
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# Installing headers
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#
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# header-y files will be installed verbatim
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# unifdef-y are the files where unifdef will be run before installing files
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# objhdr-y are generated files that will be installed verbatim
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#
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# ==========================================================================
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UNIFDEF := scripts/unifdef -U__KERNEL__
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# Eliminate the contents of (and inclusions of) compiler.h
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HDRSED := sed -e "s/ inline / __inline__ /g" \
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-e "s/[[:space:]]__user[[:space:]]\{1,\}/ /g" \
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-e "s/(__user[[:space:]]\{1,\}/ (/g" \
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-e "s/[[:space:]]__force[[:space:]]\{1,\}/ /g" \
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-e "s/(__force[[:space:]]\{1,\}/ (/g" \
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-e "s/[[:space:]]__iomem[[:space:]]\{1,\}/ /g" \
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-e "s/(__iomem[[:space:]]\{1,\}/ (/g" \
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-e "s/[[:space:]]__attribute_const__[[:space:]]\{1,\}/\ /g" \
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-e "s/[[:space:]]__attribute_const__$$//" \
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-e "/^\#include <linux\/compiler.h>/d"
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_dst := $(if $(dst),$(dst),$(obj))
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kbuild-file := $(srctree)/$(obj)/Kbuild
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include $(kbuild-file)
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include scripts/Kbuild.include
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install := $(INSTALL_HDR_PATH)/$(_dst)
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header-y := $(sort $(header-y) $(unifdef-y))
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subdir-y := $(patsubst %/,%,$(filter %/, $(header-y)))
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header-y := $(filter-out %/, $(header-y))
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# stamp files for header checks
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check-y := $(patsubst %,.check.%,$(header-y) $(objhdr-y))
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# Work out what needs to be removed
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oldheaders := $(patsubst $(install)/%,%,$(wildcard $(install)/*.h))
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unwanted := $(filter-out $(header-y) $(objhdr-y),$(oldheaders))
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oldcheckstamps := $(patsubst $(install)/%,%,$(wildcard $(install)/.check.*.h))
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unwanted += $(filter-out $(check-y),$(oldcheckstamps))
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# Prefix them all with full paths to $(INSTALL_HDR_PATH)
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header-y := $(patsubst %,$(install)/%,$(header-y))
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objhdr-y := $(patsubst %,$(install)/%,$(objhdr-y))
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check-y := $(patsubst %,$(install)/%,$(check-y))
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quiet_cmd_o_hdr_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
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cmd_o_hdr_install = cp $(patsubst $(install)/%,$(objtree)/$(obj)/%,$@) \
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$(install)
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quiet_cmd_unifdef = UNIFDEF $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
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cmd_unifdef = $(UNIFDEF) $(patsubst $(install)/%,$(srctree)/$(obj)/%,$@)\
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| $(HDRSED) > $@ || :
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quiet_cmd_check = CHECK $(patsubst $(install)/.check.%,$(_dst)/%,$@)
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cmd_check = $(CONFIG_SHELL) $(srctree)/scripts/hdrcheck.sh \
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$(INSTALL_HDR_PATH)/include $(subst /.check.,/,$@) $@
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quiet_cmd_remove = REMOVE $(_dst)/$@
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cmd_remove = rm -f $(install)/$@
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quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
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cmd_mkdir = mkdir -p $@
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.PHONY: __headersinst __headerscheck
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ifdef HDRCHECK
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__headerscheck: $(subdir-y) $(check-y)
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@true
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$(check-y) : $(install)/.check.%.h : $(install)/%.h
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$(call cmd,check)
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# Other dependencies for $(check-y)
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include /dev/null $(wildcard $(check-y))
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# but leave $(check-y) as .PHONY for now until those
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# deps are actually correct.
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.PHONY: $(check-y)
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else
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# Rules for installing headers
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__headersinst: $(subdir-y) $(header-y) $(objhdr-y)
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@true
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$(objhdr-y) $(subdir-y) $(header-y): | $(install) $(unwanted)
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$(install):
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$(call cmd,mkdir)
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# Rules for removing unwanted header files
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.PHONY: $(unwanted)
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$(unwanted):
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$(call cmd,remove)
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# Install generated files
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$(objhdr-y): $(install)/%.h: $(objtree)/$(obj)/%.h $(kbuild-file)
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$(call cmd,o_hdr_install)
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# Unifdef header files and install them
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$(header-y): $(install)/%.h: $(srctree)/$(obj)/%.h $(kbuild-file)
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$(call cmd,unifdef)
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endif
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hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
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# Recursion
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.PHONY: $(subdir-y)
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$(subdir-y):
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$(Q)$(MAKE) $(hdr-inst)=$(obj)/$@ dst=$(_dst)/$@
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