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Diffstat (limited to 'scripts/Makefile.headersinst')
| -rw-r--r-- | scripts/Makefile.headersinst | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst new file mode 100644 index 000000000000..cac8f21a3392 --- /dev/null +++ b/scripts/Makefile.headersinst @@ -0,0 +1,194 @@ +# ========================================================================== +# Installing headers +# +# header-y files will be installed verbatim +# unifdef-y are the files where unifdef will be run before installing files +# objhdr-y are generated files that will be installed verbatim +# +# ========================================================================== + +UNIFDEF := scripts/unifdef -U__KERNEL__ + +# Eliminate the contents of (and inclusions of) compiler.h +HDRSED := sed -e "s/ inline / __inline__ /g" \ + -e "s/[[:space:]]__user[[:space:]]\+/ /g" \ + -e "s/(__user[[:space:]]\+/ (/g" \ + -e "s/[[:space:]]__force[[:space:]]\+/ /g" \ + -e "s/(__force[[:space:]]\+/ (/g" \ + -e "s/[[:space:]]__iomem[[:space:]]\+/ /g" \ + -e "s/(__iomem[[:space:]]\+/ (/g" \ + -e "s/[[:space:]]__attribute_const__[[:space:]]\+/\ /g" \ + -e "s/[[:space:]]__attribute_const__$$//" \ + -e "/^\#include <linux\/compiler.h>/d" + +_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 + +include $(KBUILDFILES) + +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. +# 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)) + _dst := include/asm +endif + +header-y := $(sort $(header-y)) +unifdef-y := $(sort $(unifdef-y)) +subdir-y := $(patsubst %/,%,$(filter %/, $(header-y))) +header-y := $(filter-out %/, $(header-y)) +header-y := $(filter-out $(unifdef-y),$(header-y)) + +# stamp files for header checks +check-y := $(patsubst %,.check.%,$(header-y) $(unifdef-y) $(objhdr-y)) + +# Work out what needs to be removed +oldheaders := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/*.h)) +unwanted := $(filter-out $(header-y) $(unifdef-y) $(objhdr-y),$(oldheaders)) + +oldcheckstamps := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/.check.*.h)) +unwanted += $(filter-out $(check-y),$(oldcheckstamps)) + +# Prefix them all with full paths to $(INSTALL_HDR_PATH) +header-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(header-y)) +unifdef-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(unifdef-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) + +quiet_cmd_headers_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@) + cmd_headers_install = $(HDRSED) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \ + > $@ + +quiet_cmd_unifdef = UNIFDEF $(patsubst $(INSTALL_HDR_PATH)/%,%,$@) + cmd_unifdef = $(UNIFDEF) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \ + | $(HDRSED) > $@ || : + +quiet_cmd_check = CHECK $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/.check.%,$(_dst)/%,$@) + cmd_check = $(srctree)/scripts/hdrcheck.sh \ + $(INSTALL_HDR_PATH)/include $(subst /.check.,/,$@) $@ + +quiet_cmd_remove = REMOVE $(_dst)/$@ + cmd_remove = rm -f $(INSTALL_HDR_PATH)/$(_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 +__headerscheck: $(subdir-y) $(check-y) + @true + +$(check-y) : $(INSTALL_HDR_PATH)/$(_dst)/.check.%.h : $(INSTALL_HDR_PATH)/$(_dst)/%.h + $(call cmd,check) + +# Other dependencies for $(check-y) +-include /dev/null $(check-y) + +# ... but leave $(check-y) as .PHONY for now until those deps are actually correct. +.PHONY: $(check-y) + +else +# Rules for installing headers +__headersinst: $(subdir-y) $(header-y) $(unifdef-y) $(altarch-y) $(objhdr-y) + @true + +$(objhdr-y) $(subdir-y) $(header-y) $(unifdef-y): | $(INSTALL_HDR_PATH)/$(_dst) $(unwanted) + +$(INSTALL_HDR_PATH)/$(_dst): + $(call cmd,mkdir) + +.PHONY: $(unwanted) +$(unwanted): + $(call cmd,remove) + +ifdef GENASM +$(objhdr-y) $(header-y) $(unifdef-y): $(KBUILDFILES) + $(call cmd,gen) + +else +$(objhdr-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES) + $(call cmd,o_hdr_install) + +$(header-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES) + $(call cmd,headers_install) + +$(unifdef-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES) + $(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) $(unifdef-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): + $(Q)$(MAKE) $(hdrinst)=$(obj)/$@ dst=$(_dst)/$@ rel=../$(rel) |
