mirror of https://gitee.com/openkylin/linux.git
kbuild: drop support of ALTARCH for headers_*
ALTARCH is no longer used by any arch(*) so drop support for this from Makefile.headerinst Dropping ALTARCH support simplifies Makefile.headerinst (*) sparc64 uses it but work is ongoing to drop it and no furter usage is planned. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: David Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg
parent
4e420aa94c
commit
283039fb7d
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@ -23,30 +23,17 @@ HDRSED := sed -e "s/ inline / __inline__ /g" \
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_dst := $(if $(dst),$(dst),$(obj))
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ifeq (,$(patsubst include/asm/%,,$(obj)/))
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# For producing the generated stuff in include/asm for biarch builds, include
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# both sets of Kbuild files; we'll generate anything which is mentioned in
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# _either_ arch, and recurse into subdirectories which are mentioned in either
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# arch. Since some directories may exist in one but not the other, we must
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# use $(wildcard...).
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GENASM := 1
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archasm := $(subst include/asm,asm-$(ARCH),$(obj))
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altarchasm := $(subst include/asm,asm-$(ALTARCH),$(obj))
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KBUILDFILES := $(wildcard $(srctree)/include/$(archasm)/Kbuild $(srctree)/include/$(altarchasm)/Kbuild)
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else
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KBUILDFILES := $(srctree)/$(obj)/Kbuild
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endif
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kbuild-file := $(srctree)/$(obj)/Kbuild
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include $(kbuild-file)
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include $(KBUILDFILES)
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include scripts/Kbuild.include
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include scripts/Kbuild.include
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# If this is include/asm-$(ARCH) and there's no $(ALTARCH), then
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# override $(_dst) so that we install to include/asm directly.
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# If this is include/asm-$(ARCH) then override $(_dst) so that
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# we install to include/asm directly.
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# Unless $(BIASMDIR) is set, in which case we're probably doing
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# a 'headers_install_all' build and we should keep the -$(ARCH)
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# in the directory name.
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ifeq ($(obj)$(ALTARCH),include/asm-$(ARCH)$(BIASMDIR))
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ifeq ($(obj),include/asm-$(ARCH)$(BIASMDIR))
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_dst := include/asm
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endif
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@ -69,18 +56,6 @@ header-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(header-y))
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objhdr-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(objhdr-y))
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check-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(check-y))
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ifdef ALTARCH
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ifeq ($(obj),include/asm-$(ARCH))
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altarch-y := altarch-dir
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endif
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endif
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# Make the definitions visible for recursive make invocations
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export ALTARCH
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export ARCHDEF
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export ALTARCHDEF
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quiet_cmd_o_hdr_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
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cmd_o_hdr_install = cp $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(objtree)/$(obj)/%,$@) \
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$(INSTALL_HDR_PATH)/$(_dst)
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@ -99,34 +74,6 @@ quiet_cmd_remove = REMOVE $(_dst)/$@
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quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
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cmd_mkdir = mkdir -p $@
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quiet_cmd_gen = GEN $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
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cmd_gen = \
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FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@); \
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STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z.- A-Z__`; \
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(echo "/* File autogenerated by 'make headers_install' */" ; \
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echo "\#ifndef $$STUBDEF" ; \
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echo "\#define $$STUBDEF" ; \
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echo "\# if $(ARCHDEF)" ; \
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if [ -r $(subst /$(_dst)/,/include/$(archasm)/,$@) ]; then \
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echo "\# include <$(archasm)/$$FNAME>" ; \
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else \
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echo "\# error $(archasm)/$$FNAME does not exist in" \
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"the $(ARCH) architecture" ; \
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fi ; \
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echo "\# elif $(ALTARCHDEF)" ; \
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if [ -r $(subst /$(_dst)/,/include/$(altarchasm)/,$@) ]; then \
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echo "\# include <$(altarchasm)/$$FNAME>" ; \
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else \
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echo "\# error $(altarchasm)/$$FNAME does not exist in" \
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"the $(ALTARCH) architecture" ; \
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fi ; \
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echo "\# else" ; \
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echo "\# warning This machine appears to be" \
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"neither $(ARCH) nor $(ALTARCH)." ; \
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echo "\# endif" ; \
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echo "\#endif /* $$STUBDEF */" ; \
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) > $@
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.PHONY: __headersinst __headerscheck
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ifdef HDRCHECK
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@ -144,7 +91,7 @@ include /dev/null $(wildcard $(check-y))
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else
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# Rules for installing headers
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__headersinst: $(subdir-y) $(header-y) $(altarch-y) $(objhdr-y)
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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): | $(INSTALL_HDR_PATH)/$(_dst) $(unwanted)
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@ -156,29 +103,16 @@ $(INSTALL_HDR_PATH)/$(_dst):
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$(unwanted):
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$(call cmd,remove)
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ifdef GENASM
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$(objhdr-y) $(header-y): $(KBUILDFILES)
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$(call cmd,gen)
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else
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$(objhdr-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(objtree)/$(obj)/%.h $(KBUILDFILES)
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$(objhdr-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(objtree)/$(obj)/%.h $(kbuild-file)
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$(call cmd,o_hdr_install)
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$(header-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
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$(header-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(kbuild-file)
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$(call cmd,unifdef)
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endif
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endif
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hdrinst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
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.PHONY: altarch-dir
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# All the files in the normal arch dir must be created first, since we test
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# for their existence.
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altarch-dir: $(subdir-y) $(header-y) $(objhdr-y)
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$(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH)
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$(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm$(BIASMDIR)
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# Recursion
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.PHONY: $(subdir-y)
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$(subdir-y):
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