Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
David Woodhouse | 8d730cf | 2006-06-18 11:58:39 +0100 | [diff] [blame] | 2 | # ========================================================================== |
| 3 | # Installing headers |
| 4 | # |
Nicolas Dichtel | fcc8487 | 2017-03-27 14:20:15 +0200 | [diff] [blame] | 5 | # All headers under include/uapi, include/generated/uapi, |
Nicolas Dichtel | 61562f9 | 2017-03-27 14:20:16 +0200 | [diff] [blame] | 6 | # arch/<arch>/include/uapi and arch/<arch>/include/generated/uapi are |
Nicolas Dichtel | fcc8487 | 2017-03-27 14:20:15 +0200 | [diff] [blame] | 7 | # exported. |
| 8 | # They are preprocessed to remove __KERNEL__ section of the file. |
David Woodhouse | 8d730cf | 2006-06-18 11:58:39 +0100 | [diff] [blame] | 9 | # |
| 10 | # ========================================================================== |
| 11 | |
Masahiro Yamada | 05d8cba | 2017-05-16 14:15:03 +0900 | [diff] [blame] | 12 | PHONY := __headers |
| 13 | __headers: |
| 14 | |
| 15 | include scripts/Kbuild.include |
| 16 | |
| 17 | srcdir := $(srctree)/$(obj) |
Richard Genoud | 2f263d1 | 2017-06-15 10:36:22 +0200 | [diff] [blame] | 18 | |
| 19 | # When make is run under a fakechroot environment, the function |
| 20 | # $(wildcard $(srcdir)/*/.) doesn't only return directories, but also regular |
| 21 | # files. So, we are using a combination of sort/dir/wildcard which works |
| 22 | # with fakechroot. |
| 23 | subdirs := $(patsubst $(srcdir)/%/,%,\ |
| 24 | $(filter-out $(srcdir)/,\ |
| 25 | $(sort $(dir $(wildcard $(srcdir)/*/))))) |
| 26 | |
Masahiro Yamada | 05d8cba | 2017-05-16 14:15:03 +0900 | [diff] [blame] | 27 | # Recursion |
| 28 | __headers: $(subdirs) |
| 29 | |
| 30 | .PHONY: $(subdirs) |
| 31 | $(subdirs): |
Masahiro Yamada | a8ff49a | 2017-07-10 03:32:35 +0900 | [diff] [blame] | 32 | $(Q)$(MAKE) $(hdr-inst)=$(obj)/$@ dst=$(dst)/$@ |
Masahiro Yamada | 05d8cba | 2017-05-16 14:15:03 +0900 | [diff] [blame] | 33 | |
| 34 | # Skip header install/check for include/uapi and arch/$(hdr-arch)/include/uapi. |
| 35 | # We have only sub-directories there. |
| 36 | skip-inst := $(if $(filter %/uapi,$(obj)),1) |
| 37 | |
| 38 | ifeq ($(skip-inst),) |
| 39 | |
Nicolas Dichtel | fcc8487 | 2017-03-27 14:20:15 +0200 | [diff] [blame] | 40 | # Kbuild file is optional |
Sam Ravnborg | 283039f | 2008-06-05 19:19:47 +0200 | [diff] [blame] | 41 | kbuild-file := $(srctree)/$(obj)/Kbuild |
Nicolas Dichtel | fcc8487 | 2017-03-27 14:20:15 +0200 | [diff] [blame] | 42 | -include $(kbuild-file) |
David Woodhouse | 8d730cf | 2006-06-18 11:58:39 +0100 | [diff] [blame] | 43 | |
Masahiro Yamada | a8ff49a | 2017-07-10 03:32:35 +0900 | [diff] [blame] | 44 | installdir := $(INSTALL_HDR_PATH)/$(dst) |
Masahiro Yamada | 87ebb94 | 2017-07-10 03:32:33 +0900 | [diff] [blame] | 45 | gendir := $(objtree)/$(subst include/,include/generated/,$(obj)) |
Nicolas Dichtel | fcc8487 | 2017-03-27 14:20:15 +0200 | [diff] [blame] | 46 | header-files := $(notdir $(wildcard $(srcdir)/*.h)) |
| 47 | header-files += $(notdir $(wildcard $(srcdir)/*.agh)) |
| 48 | header-files := $(filter-out $(no-export-headers), $(header-files)) |
| 49 | genhdr-files := $(notdir $(wildcard $(gendir)/*.h)) |
| 50 | genhdr-files := $(filter-out $(header-files), $(genhdr-files)) |
David Woodhouse | 8d730cf | 2006-06-18 11:58:39 +0100 | [diff] [blame] | 51 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 52 | # files used to track state of install/check |
David Howells | 10b6395 | 2012-10-02 18:01:57 +0100 | [diff] [blame] | 53 | install-file := $(installdir)/.install |
| 54 | check-file := $(installdir)/.check |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 55 | |
| 56 | # all headers files for this dir |
Masahiro Yamada | 09c3776 | 2017-07-10 03:33:00 +0900 | [diff] [blame] | 57 | all-files := $(header-files) $(genhdr-files) |
David Howells | 10b6395 | 2012-10-02 18:01:57 +0100 | [diff] [blame] | 58 | output-files := $(addprefix $(installdir)/, $(all-files)) |
| 59 | |
Nicolas Dichtel | fcc8487 | 2017-03-27 14:20:15 +0200 | [diff] [blame] | 60 | ifneq ($(mandatory-y),) |
| 61 | missing := $(filter-out $(all-files),$(mandatory-y)) |
| 62 | ifneq ($(missing),) |
| 63 | $(error Some mandatory headers ($(missing)) are missing in $(obj)) |
| 64 | endif |
| 65 | endif |
David Woodhouse | de78912 | 2006-09-24 22:15:14 +0100 | [diff] [blame] | 66 | |
| 67 | # Work out what needs to be removed |
David Howells | 10b6395 | 2012-10-02 18:01:57 +0100 | [diff] [blame] | 68 | oldheaders := $(patsubst $(installdir)/%,%,$(wildcard $(installdir)/*.h)) |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 69 | unwanted := $(filter-out $(all-files),$(oldheaders)) |
David Woodhouse | de78912 | 2006-09-24 22:15:14 +0100 | [diff] [blame] | 70 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 71 | # Prefix unwanted with full paths to $(INSTALL_HDR_PATH) |
David Howells | 10b6395 | 2012-10-02 18:01:57 +0100 | [diff] [blame] | 72 | unwanted-file := $(addprefix $(installdir)/, $(unwanted)) |
David Woodhouse | de78912 | 2006-09-24 22:15:14 +0100 | [diff] [blame] | 73 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 74 | printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@)) |
David Woodhouse | de78912 | 2006-09-24 22:15:14 +0100 | [diff] [blame] | 75 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 76 | quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\ |
| 77 | file$(if $(word 2, $(all-files)),s)) |
Sam Ravnborg | db1bec4 | 2008-06-16 21:29:38 +0200 | [diff] [blame] | 78 | cmd_install = \ |
Nicolas Dichtel | fcc8487 | 2017-03-27 14:20:15 +0200 | [diff] [blame] | 79 | $(CONFIG_SHELL) $< $(installdir) $(srcdir) $(header-files); \ |
| 80 | $(CONFIG_SHELL) $< $(installdir) $(gendir) $(genhdr-files); \ |
Sam Ravnborg | db1bec4 | 2008-06-16 21:29:38 +0200 | [diff] [blame] | 81 | touch $@ |
David Woodhouse | 8d730cf | 2006-06-18 11:58:39 +0100 | [diff] [blame] | 82 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 83 | quiet_cmd_remove = REMOVE $(unwanted) |
| 84 | cmd_remove = rm -f $(unwanted-file) |
David Woodhouse | 8d730cf | 2006-06-18 11:58:39 +0100 | [diff] [blame] | 85 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 86 | quiet_cmd_check = CHECK $(printdir) ($(words $(all-files)) files) |
Sergei Poselenov | 7211b8b | 2009-06-05 16:11:09 +0400 | [diff] [blame] | 87 | # Headers list can be pretty long, xargs helps to avoid |
| 88 | # the "Argument list too long" error. |
| 89 | cmd_check = for f in $(all-files); do \ |
David Howells | 10b6395 | 2012-10-02 18:01:57 +0100 | [diff] [blame] | 90 | echo "$(installdir)/$${f}"; done \ |
Sergei Poselenov | 7211b8b | 2009-06-05 16:11:09 +0400 | [diff] [blame] | 91 | | xargs \ |
| 92 | $(PERL) $< $(INSTALL_HDR_PATH)/include $(SRCARCH); \ |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 93 | touch $@ |
David Woodhouse | 6847535 | 2006-06-18 12:02:10 +0100 | [diff] [blame] | 94 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 95 | ifndef HDRCHECK |
| 96 | # Rules for installing headers |
Masahiro Yamada | 05d8cba | 2017-05-16 14:15:03 +0900 | [diff] [blame] | 97 | __headers: $(install-file) |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 98 | @: |
David Woodhouse | de78912 | 2006-09-24 22:15:14 +0100 | [diff] [blame] | 99 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 100 | targets += $(install-file) |
Nicolas Dichtel | 7c025b2 | 2017-03-27 14:20:09 +0200 | [diff] [blame] | 101 | $(install-file): scripts/headers_install.sh \ |
Nicolas Dichtel | fcc8487 | 2017-03-27 14:20:15 +0200 | [diff] [blame] | 102 | $(addprefix $(srcdir)/,$(header-files)) \ |
| 103 | $(addprefix $(gendir)/,$(genhdr-files)) FORCE |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 104 | $(if $(unwanted),$(call cmd,remove),) |
| 105 | $(if $(wildcard $(dir $@)),,$(shell mkdir -p $(dir $@))) |
| 106 | $(call if_changed,install) |
David Woodhouse | de78912 | 2006-09-24 22:15:14 +0100 | [diff] [blame] | 107 | |
David Woodhouse | 6847535 | 2006-06-18 12:02:10 +0100 | [diff] [blame] | 108 | else |
Masahiro Yamada | 05d8cba | 2017-05-16 14:15:03 +0900 | [diff] [blame] | 109 | __headers: $(check-file) |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 110 | @: |
David Woodhouse | 8d730cf | 2006-06-18 11:58:39 +0100 | [diff] [blame] | 111 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 112 | targets += $(check-file) |
| 113 | $(check-file): scripts/headers_check.pl $(output-files) FORCE |
| 114 | $(call if_changed,check) |
Sam Ravnborg | 4e420aa | 2008-06-05 16:52:15 +0200 | [diff] [blame] | 115 | |
David Woodhouse | 8d730cf | 2006-06-18 11:58:39 +0100 | [diff] [blame] | 116 | endif |
David Woodhouse | 8d730cf | 2006-06-18 11:58:39 +0100 | [diff] [blame] | 117 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 118 | targets := $(wildcard $(sort $(targets))) |
| 119 | cmd_files := $(wildcard \ |
| 120 | $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) |
| 121 | |
| 122 | ifneq ($(cmd_files),) |
| 123 | include $(cmd_files) |
| 124 | endif |
| 125 | |
Masahiro Yamada | 05d8cba | 2017-05-16 14:15:03 +0900 | [diff] [blame] | 126 | endif # skip-inst |
| 127 | |
Sam Ravnborg | 7712401 | 2008-06-15 21:41:09 +0200 | [diff] [blame] | 128 | .PHONY: $(PHONY) |
| 129 | PHONY += FORCE |
| 130 | FORCE: ; |