diff options
Diffstat (limited to 'scripts/Makefile.headersinst')
| -rw-r--r-- | scripts/Makefile.headersinst | 68 |
1 files changed, 30 insertions, 38 deletions
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst index 1106d6ca3a38..6ba97a1f9c5a 100644 --- a/scripts/Makefile.headersinst +++ b/scripts/Makefile.headersinst @@ -1,20 +1,22 @@ # ========================================================================== # Installing headers # -# header-y - list files to be installed. They are preprocessed -# to remove __KERNEL__ section of the file -# genhdr-y - Same as header-y but in a generated/ directory +# All headers under include/uapi, include/generated/uapi, +# arch/<arch>/include/uapi and arch/<arch>/include/generated/uapi are +# exported. +# They are preprocessed to remove __KERNEL__ section of the file. # # ========================================================================== # generated header directory gen := $(if $(gen),$(gen),$(subst include/,include/generated/,$(obj))) +# Kbuild file is optional kbuild-file := $(srctree)/$(obj)/Kbuild -include $(kbuild-file) +-include $(kbuild-file) # called may set destination dir (when installing to asm/) -_dst := $(if $(destination-y),$(destination-y),$(if $(dst),$(dst),$(obj))) +_dst := $(if $(dst),$(dst),$(obj)) old-kbuild-file := $(srctree)/$(subst uapi/,,$(obj))/Kbuild ifneq ($(wildcard $(old-kbuild-file)),) @@ -25,9 +27,14 @@ include scripts/Kbuild.include installdir := $(INSTALL_HDR_PATH)/$(subst uapi/,,$(_dst)) -header-y := $(sort $(header-y)) -subdirs := $(patsubst %/,%,$(filter %/, $(header-y))) -header-y := $(filter-out %/, $(header-y)) +srcdir := $(srctree)/$(obj) +gendir := $(objtree)/$(gen) +subdirs := $(patsubst $(srcdir)/%/.,%,$(wildcard $(srcdir)/*/.)) +header-files := $(notdir $(wildcard $(srcdir)/*.h)) +header-files += $(notdir $(wildcard $(srcdir)/*.agh)) +header-files := $(filter-out $(no-export-headers), $(header-files)) +genhdr-files := $(notdir $(wildcard $(gendir)/*.h)) +genhdr-files := $(filter-out $(header-files), $(genhdr-files)) # files used to track state of install/check install-file := $(installdir)/.install @@ -35,36 +42,20 @@ 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)) +generic-files := $(notdir $(wildcard $(srctree)/include/uapi/asm-generic/*.h)) +wrapper-files := $(filter $(generic-files), $(generic-y)) +wrapper-files := $(filter-out $(header-files), $(wrapper-files)) # all headers files for this dir -header-y := $(filter-out $(generic-y), $(header-y)) -all-files := $(header-y) $(genhdr-y) $(wrapper-files) +all-files := $(header-files) $(genhdr-files) $(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 $(input-files3)) +ifneq ($(mandatory-y),) +missing := $(filter-out $(all-files),$(mandatory-y)) +ifneq ($(missing),) +$(error Some mandatory headers ($(missing)) are missing in $(obj)) +endif +endif # Work out what needs to be removed oldheaders := $(patsubst $(installdir)/%,%,$(wildcard $(installdir)/*.h)) @@ -78,9 +69,8 @@ printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@)) quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\ file$(if $(word 2, $(all-files)),s)) cmd_install = \ - $(CONFIG_SHELL) $< $(installdir) $(srcdir) $(input-files1-name); \ - $(CONFIG_SHELL) $< $(installdir) $(oldsrcdir) $(input-files2-name); \ - $(CONFIG_SHELL) $< $(installdir) $(gendir) $(input-files3-name); \ + $(CONFIG_SHELL) $< $(installdir) $(srcdir) $(header-files); \ + $(CONFIG_SHELL) $< $(installdir) $(gendir) $(genhdr-files); \ for F in $(wrapper-files); do \ echo "\#include <asm-generic/$$F>" > $(installdir)/$$F; \ done; \ @@ -106,7 +96,9 @@ __headersinst: $(subdirs) $(install-file) @: targets += $(install-file) -$(install-file): scripts/headers_install.sh $(input-files1) $(input-files2) $(input-files3) FORCE +$(install-file): scripts/headers_install.sh \ + $(addprefix $(srcdir)/,$(header-files)) \ + $(addprefix $(gendir)/,$(genhdr-files)) FORCE $(if $(unwanted),$(call cmd,remove),) $(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@))) $(call if_changed,install) |