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kbuild: drop support of ALTARCH for headers_*

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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 2008-06-05 19:19:47 +02:00
parent 4e420aa94c
commit 283039fb7d
1 changed files with 9 additions and 75 deletions
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84
scripts/Makefile.headersinst
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@ -23,30 +23,17 @@ HDRSED := sed -e "s/ inline / __inline__ /g" \
_dst := $(if $(dst),$(dst),$(obj))
ifeq (,$(patsubst include/asm/%,,$(obj)/))
# For producing the generated stuff in include/asm for biarch builds, include
# both sets of Kbuild files; we'll generate anything which is mentioned in
# _either_ arch, and recurse into subdirectories which are mentioned in either
# arch. Since some directories may exist in one but not the other, we must
# use $(wildcard...).
GENASM := 1
archasm := $(subst include/asm,asm-$(ARCH),$(obj))
altarchasm := $(subst include/asm,asm-$(ALTARCH),$(obj))
KBUILDFILES := $(wildcard $(srctree)/include/$(archasm)/Kbuild $(srctree)/include/$(altarchasm)/Kbuild)
else
KBUILDFILES := $(srctree)/$(obj)/Kbuild
endif
kbuild-file := $(srctree)/$(obj)/Kbuild
include $(kbuild-file)
include $(KBUILDFILES)
include scripts/Kbuild.include
include scripts/Kbuild.include
# If this is include/asm-$(ARCH) and there's no $(ALTARCH), then
# override $(_dst) so that we install to include/asm directly.
# If this is include/asm-$(ARCH) then override $(_dst) so that
# we install to include/asm directly.
# Unless $(BIASMDIR) is set, in which case we're probably doing
# a 'headers_install_all' build and we should keep the -$(ARCH)
# in the directory name.
ifeq ($(obj)$(ALTARCH),include/asm-$(ARCH)$(BIASMDIR))
ifeq ($(obj),include/asm-$(ARCH)$(BIASMDIR))
_dst := include/asm
endif
@ -69,18 +56,6 @@ header-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(header-y))
objhdr-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(objhdr-y))
check-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(check-y))
ifdef ALTARCH
ifeq ($(obj),include/asm-$(ARCH))
altarch-y := altarch-dir
endif
endif
# Make the definitions visible for recursive make invocations
export ALTARCH
export ARCHDEF
export ALTARCHDEF
quiet_cmd_o_hdr_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
cmd_o_hdr_install = cp $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(objtree)/$(obj)/%,$@) \
$(INSTALL_HDR_PATH)/$(_dst)
@ -99,34 +74,6 @@ quiet_cmd_remove = REMOVE $(_dst)/$@
quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
cmd_mkdir = mkdir -p $@
quiet_cmd_gen = GEN $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
cmd_gen = \
FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@); \
STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z.- A-Z__`; \
(echo "/* File autogenerated by 'make headers_install' */" ; \
echo "\#ifndef $$STUBDEF" ; \
echo "\#define $$STUBDEF" ; \
echo "\# if $(ARCHDEF)" ; \
if [ -r $(subst /$(_dst)/,/include/$(archasm)/,$@) ]; then \
echo "\# include <$(archasm)/$$FNAME>" ; \
else \
echo "\# error $(archasm)/$$FNAME does not exist in" \
"the $(ARCH) architecture" ; \
fi ; \
echo "\# elif $(ALTARCHDEF)" ; \
if [ -r $(subst /$(_dst)/,/include/$(altarchasm)/,$@) ]; then \
echo "\# include <$(altarchasm)/$$FNAME>" ; \
else \
echo "\# error $(altarchasm)/$$FNAME does not exist in" \
"the $(ALTARCH) architecture" ; \
fi ; \
echo "\# else" ; \
echo "\# warning This machine appears to be" \
"neither $(ARCH) nor $(ALTARCH)." ; \
echo "\# endif" ; \
echo "\#endif /* $$STUBDEF */" ; \
) > $@
.PHONY: __headersinst __headerscheck
ifdef HDRCHECK
@ -144,7 +91,7 @@ include /dev/null $(wildcard $(check-y))
else
# Rules for installing headers
__headersinst: $(subdir-y) $(header-y) $(altarch-y) $(objhdr-y)
__headersinst: $(subdir-y) $(header-y) $(objhdr-y)
@true
$(objhdr-y) $(subdir-y) $(header-y): | $(INSTALL_HDR_PATH)/$(_dst) $(unwanted)
@ -156,29 +103,16 @@ $(INSTALL_HDR_PATH)/$(_dst):
$(unwanted):
$(call cmd,remove)
ifdef GENASM
$(objhdr-y) $(header-y): $(KBUILDFILES)
$(call cmd,gen)
else
$(objhdr-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(objtree)/$(obj)/%.h $(KBUILDFILES)
$(objhdr-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(objtree)/$(obj)/%.h $(kbuild-file)
$(call cmd,o_hdr_install)
$(header-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
$(header-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(kbuild-file)
$(call cmd,unifdef)
endif
endif
hdrinst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
.PHONY: altarch-dir
# All the files in the normal arch dir must be created first, since we test
# for their existence.
altarch-dir: $(subdir-y) $(header-y) $(objhdr-y)
$(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH)
$(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm$(BIASMDIR)
# Recursion
.PHONY: $(subdir-y)
$(subdir-y):