Commit | Line | Data |
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8d730cfb DW |
1 | # ========================================================================== |
2 | # Installing headers | |
3 | # | |
4 | # header-y files will be installed verbatim | |
5 | # unifdef-y are the files where unifdef will be run before installing files | |
6 | # objhdr-y are generated files that will be installed verbatim | |
7 | # | |
8 | # ========================================================================== | |
9 | ||
10 | UNIFDEF := unifdef -U__KERNEL__ | |
11 | ||
12 | # Eliminate the contents of (and inclusions of) compiler.h | |
13 | HDRSED := sed -e "s/ inline / __inline__ /g" \ | |
14 | -e "s/[[:space:]]__user[[:space:]]\+/ /g" \ | |
15 | -e "s/(__user[[:space:]]\+/ (/g" \ | |
16 | -e "s/[[:space:]]__force[[:space:]]\+/ /g" \ | |
17 | -e "s/(__force[[:space:]]\+/ (/g" \ | |
18 | -e "s/[[:space:]]__iomem[[:space:]]\+/ /g" \ | |
19 | -e "s/(__iomem[[:space:]]\+/ (/g" \ | |
20 | -e "s/[[:space:]]__attribute_const__[[:space:]]\+/\ /g" \ | |
21 | -e "s/[[:space:]]__attribute_const__$$//" \ | |
22 | -e "/^\#include <linux\/compiler.h>/d" | |
23 | ||
24 | _dst := $(if $(dst),$(dst),$(obj)) | |
25 | ||
26 | .PHONY: __headersinst | |
27 | __headersinst: | |
28 | ||
29 | ||
30 | ifeq (,$(patsubst include/asm/%,,$(obj)/)) | |
31 | # For producing the generated stuff in include/asm for biarch builds, include | |
32 | # both sets of Kbuild files; we'll generate anything which is mentioned in | |
33 | # _either_ arch, and recurse into subdirectories which are mentioned in either | |
34 | # arch. Since some directories may exist in one but not the other, we must | |
35 | # use '-include'. | |
36 | GENASM := 1 | |
37 | archasm := $(subst include/asm,asm-$(ARCH),$(obj)) | |
38 | altarchasm := $(subst include/asm,asm-$(ALTARCH),$(obj)) | |
39 | -include $(srctree)/include/$(archasm)/Kbuild | |
40 | -include $(srctree)/include/$(altarchasm)/Kbuild | |
41 | else | |
42 | include $(srctree)/$(obj)/Kbuild | |
43 | endif | |
44 | ||
45 | include scripts/Kbuild.include | |
46 | ||
47 | # If this is include/asm-$(ARCH) and there's no $(ALTARCH), then | |
48 | # override $(_dst) so that we install to include/asm directly. | |
49 | ifeq ($(obj)$(ALTARCH),include/asm-$(ARCH)) | |
50 | _dst := include/asm | |
51 | endif | |
52 | ||
53 | header-y := $(sort $(header-y)) | |
54 | unifdef-y := $(sort $(unifdef-y)) | |
55 | subdir-y := $(patsubst %/,%,$(filter %/, $(header-y))) | |
56 | header-y := $(filter-out %/, $(header-y)) | |
57 | header-y := $(filter-out $(unifdef-y),$(header-y)) | |
58 | ||
59 | ifdef ALTARCH | |
60 | ifeq ($(obj),include/asm-$(ARCH)) | |
61 | altarch-y := altarch-dir | |
62 | endif | |
63 | endif | |
64 | ||
65 | # Make the definitions visible for recursive make invocations | |
66 | export ALTARCH | |
67 | export ARCHDEF | |
68 | export ALTARCHDEF | |
69 | ||
70 | quiet_cmd_o_hdr_install = INSTALL $(_dst)/$@ | |
71 | cmd_o_hdr_install = cp $(objtree)/$(obj)/$@ $(INSTALL_HDR_PATH)/$(_dst) | |
72 | ||
73 | quiet_cmd_headers_install = INSTALL $(_dst)/$@ | |
74 | cmd_headers_install = $(HDRSED) $(srctree)/$(obj)/$@ \ | |
75 | > $(INSTALL_HDR_PATH)/$(_dst)/$@ | |
76 | ||
77 | quiet_cmd_unifdef = UNIFDEF $(_dst)/$@ | |
78 | cmd_unifdef = $(UNIFDEF) $(srctree)/$(obj)/$@ | $(HDRSED) \ | |
79 | > $(INSTALL_HDR_PATH)/$(_dst)/$@ || : | |
80 | ||
68475359 DW |
81 | quiet_cmd_check = CHECK $(_dst)/$@ |
82 | cmd_check = $(srctree)/scripts/hdrcheck.sh \ | |
83 | $(INSTALL_HDR_PATH)/include \ | |
84 | $(INSTALL_HDR_PATH)/$(_dst)/$@ | |
85 | ||
8d730cfb DW |
86 | quiet_cmd_mkdir = MKDIR $@ |
87 | cmd_mkdir = mkdir -p $(INSTALL_HDR_PATH)/$@ | |
88 | ||
89 | quiet_cmd_gen = GEN $(_dst)/$@ | |
90 | cmd_gen = \ | |
91 | STUBDEF=__ASM_STUB_`echo $@ | tr a-z. A-Z_`; \ | |
92 | (echo "/* File autogenerated by 'make headers_install' */" ; \ | |
93 | echo "\#ifndef $$STUBDEF" ; \ | |
94 | echo "\#define $$STUBDEF" ; \ | |
95 | echo "\# if $(ARCHDEF)" ; \ | |
96 | if [ -r $(srctree)/include/$(archasm)/$@ ]; then \ | |
97 | echo "\# include <$(archasm)/$@>" ; \ | |
98 | else \ | |
99 | echo "\# error $(archasm)/$@ does not exist in" \ | |
100 | "the $(ARCH) architecture" ; \ | |
101 | fi ; \ | |
102 | echo "\# elif $(ALTARCHDEF)" ; \ | |
103 | if [ -r $(srctree)/include/$(altarchasm)/$@ ]; then \ | |
104 | echo "\# include <$(altarchasm)/$@>" ; \ | |
105 | else \ | |
106 | echo "\# error $(altarchasm)/$@ does not exist in" \ | |
107 | "the $(ALTARCH) architecture" ; \ | |
108 | fi ; \ | |
109 | echo "\# else" ; \ | |
110 | echo "\# warning This machine appears to be" \ | |
111 | "neither $(ARCH) nor $(ALTARCH)." ; \ | |
112 | echo "\# endif" ; \ | |
113 | echo "\#endif /* $$STUBDEF */" ; \ | |
114 | ) > $(INSTALL_HDR_PATH)/$(_dst)/$@ | |
115 | ||
116 | __headersinst: $(subdir-y) $(header-y) $(unifdef-y) $(altarch-y) $(objhdr-y) | |
117 | ||
118 | .PHONY: $(header-y) $(unifdef-y) $(subdir-y) | |
119 | ||
68475359 DW |
120 | ifdef HDRCHECK |
121 | # Rules for checking headers | |
122 | $(objhdr-y) $(header-y) $(unifdef-y): | |
123 | $(call cmd,check) | |
124 | else | |
8d730cfb DW |
125 | # Rules for installing headers |
126 | ||
127 | $(objhdr-y) $(subdir-y) $(header-y) $(unifdef-y): $(_dst) | |
128 | ||
129 | .PHONY: $(_dst) | |
130 | $(_dst): | |
131 | $(call cmd,mkdir) | |
132 | ||
133 | ifdef GENASM | |
134 | $(objhdr-y) $(header-y) $(unifdef-y): | |
135 | $(call cmd,gen) | |
136 | ||
137 | else | |
138 | $(objhdr-y): | |
139 | $(call cmd,o_hdr_install) | |
140 | ||
141 | $(header-y): | |
142 | $(call cmd,headers_install) | |
143 | ||
144 | $(unifdef-y): | |
145 | $(call cmd,unifdef) | |
146 | endif | |
68475359 | 147 | endif |
8d730cfb DW |
148 | |
149 | hdrinst := -rR -f $(srctree)/scripts/Makefile.headersinst obj | |
150 | ||
151 | .PHONY: altarch-dir | |
152 | altarch-dir: | |
153 | $(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH) | |
154 | $(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm | |
155 | ||
156 | # Recursion | |
157 | $(subdir-y): | |
158 | $(Q)$(MAKE) $(hdrinst)=$(obj)/$@ dst=$(_dst)/$@ rel=../$(rel) |