diff options
Diffstat (limited to 'scripts/Makefile.headersinst')
| -rw-r--r-- | scripts/Makefile.headersinst | 71 |
1 files changed, 54 insertions, 17 deletions
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst index f89cb87f5c0..8ccf83056a7 100644 --- a/scripts/Makefile.headersinst +++ b/scripts/Makefile.headersinst @@ -3,50 +3,87 @@ # # header-y - list files to be installed. They are preprocessed # to remove __KERNEL__ section of the file -# objhdr-y - Same as header-y but for generated files +# genhdr-y - Same as header-y but in a generated/ directory # # ========================================================================== -# called may set destination dir (when installing to asm/) -_dst := $(if $(dst),$(dst),$(obj)) +# generated header directory +gen := $(if $(gen),$(gen),$(subst include/,include/generated/,$(obj))) kbuild-file := $(srctree)/$(obj)/Kbuild include $(kbuild-file) -_dst := $(if $(destination-y),$(destination-y),$(_dst)) +# called may set destination dir (when installing to asm/) +_dst := $(if $(destination-y),$(destination-y),$(if $(dst),$(dst),$(obj))) + +old-kbuild-file := $(srctree)/$(subst uapi/,,$(obj))/Kbuild +ifneq ($(wildcard $(old-kbuild-file)),) +include $(old-kbuild-file) +endif include scripts/Kbuild.include -install := $(INSTALL_HDR_PATH)/$(_dst) +installdir := $(INSTALL_HDR_PATH)/$(subst uapi/,,$(_dst)) header-y := $(sort $(header-y)) subdirs := $(patsubst %/,%,$(filter %/, $(header-y))) header-y := $(filter-out %/, $(header-y)) # files used to track state of install/check -install-file := $(install)/.install -check-file := $(install)/.check +install-file := $(installdir)/.install +check-file := $(installdir)/.check + +# generic-y list all files an architecture uses from asm-generic +# Use this to build a list of headers which require a wrapper +wrapper-files := $(filter $(header-y), $(generic-y)) + +srcdir := $(srctree)/$(obj) +gendir := $(objtree)/$(gen) + +oldsrcdir := $(srctree)/$(subst /uapi,,$(obj)) # all headers files for this dir -all-files := $(header-y) $(objhdr-y) -input-files := $(addprefix $(srctree)/$(obj)/,$(header-y)) \ - $(addprefix $(objtree)/$(obj)/,$(objhdr-y)) -output-files := $(addprefix $(install)/, $(all-files)) +header-y := $(filter-out $(generic-y), $(header-y)) +all-files := $(header-y) $(genhdr-y) $(wrapper-files) +output-files := $(addprefix $(installdir)/, $(all-files)) + +input-files1 := $(foreach hdr, $(header-y), \ + $(if $(wildcard $(srcdir)/$(hdr)), \ + $(wildcard $(srcdir)/$(hdr))) \ + ) +input-files1-name := $(notdir $(input-files1)) +input-files2 := $(foreach hdr, $(header-y), \ + $(if $(wildcard $(srcdir)/$(hdr)),, \ + $(if $(wildcard $(oldsrcdir)/$(hdr)), \ + $(wildcard $(oldsrcdir)/$(hdr)), \ + $(error Missing UAPI file $(srcdir)/$(hdr))) \ + )) +input-files2-name := $(notdir $(input-files2)) +input-files3 := $(foreach hdr, $(genhdr-y), \ + $(if $(wildcard $(gendir)/$(hdr)), \ + $(wildcard $(gendir)/$(hdr)), \ + $(error Missing generated UAPI file $(gendir)/$(hdr)) \ + )) +input-files3-name := $(notdir $(input-files3)) # Work out what needs to be removed -oldheaders := $(patsubst $(install)/%,%,$(wildcard $(install)/*.h)) +oldheaders := $(patsubst $(installdir)/%,%,$(wildcard $(installdir)/*.h)) unwanted := $(filter-out $(all-files),$(oldheaders)) # Prefix unwanted with full paths to $(INSTALL_HDR_PATH) -unwanted-file := $(addprefix $(install)/, $(unwanted)) +unwanted-file := $(addprefix $(installdir)/, $(unwanted)) printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@)) quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\ file$(if $(word 2, $(all-files)),s)) cmd_install = \ - $(PERL) $< $(srctree)/$(obj) $(install) $(SRCARCH) $(header-y); \ - $(PERL) $< $(objtree)/$(obj) $(install) $(SRCARCH) $(objhdr-y); \ + $(CONFIG_SHELL) $< $(installdir) $(srcdir) $(input-files1-name); \ + $(CONFIG_SHELL) $< $(installdir) $(oldsrcdir) $(input-files2-name); \ + $(CONFIG_SHELL) $< $(installdir) $(gendir) $(input-files3-name); \ + for F in $(wrapper-files); do \ + echo "\#include <asm-generic/$$F>" > $(installdir)/$$F; \ + done; \ touch $@ quiet_cmd_remove = REMOVE $(unwanted) @@ -56,7 +93,7 @@ quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files) # Headers list can be pretty long, xargs helps to avoid # the "Argument list too long" error. cmd_check = for f in $(all-files); do \ - echo "$(install)/$${f}"; done \ + echo "$(installdir)/$${f}"; done \ | xargs \ $(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH); \ touch $@ @@ -69,7 +106,7 @@ __headersinst: $(subdirs) $(install-file) @: targets += $(install-file) -$(install-file): scripts/headers_install.pl $(input-files) FORCE +$(install-file): scripts/headers_install.sh $(input-files1) $(input-files2) $(input-files3) FORCE $(if $(unwanted),$(call cmd,remove),) $(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@))) $(call if_changed,install) |