kbuild: fix scripts/setlocalversion to avoid erroneous -dirty tag
[linux-2.6.git] / scripts / Makefile.headersinst
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 := scripts/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:]]\{1,\}/ /g" \
15                 -e "s/(__user[[:space:]]\{1,\}/ (/g" \
16                 -e "s/[[:space:]]__force[[:space:]]\{1,\}/ /g" \
17                 -e "s/(__force[[:space:]]\{1,\}/ (/g" \
18                 -e "s/[[:space:]]__iomem[[:space:]]\{1,\}/ /g" \
19                 -e "s/(__iomem[[:space:]]\{1,\}/ (/g" \
20                 -e "s/[[:space:]]__attribute_const__[[:space:]]\{1,\}/\ /g" \
21                 -e "s/[[:space:]]__attribute_const__$$//" \
22                 -e "/^\#include <linux\/compiler.h>/d"
23
24 _dst := $(if $(dst),$(dst),$(obj))
25
26 ifeq (,$(patsubst include/asm/%,,$(obj)/))
27 # For producing the generated stuff in include/asm for biarch builds, include
28 # both sets of Kbuild files; we'll generate anything which is mentioned in
29 # _either_ arch, and recurse into subdirectories which are mentioned in either
30 # arch. Since some directories may exist in one but not the other, we must
31 # use $(wildcard...). 
32 GENASM := 1
33 archasm    := $(subst include/asm,asm-$(ARCH),$(obj))
34 altarchasm := $(subst include/asm,asm-$(ALTARCH),$(obj))
35 KBUILDFILES := $(wildcard $(srctree)/include/$(archasm)/Kbuild $(srctree)/include/$(altarchasm)/Kbuild)
36 else
37 KBUILDFILES := $(srctree)/$(obj)/Kbuild
38 endif
39
40 include $(KBUILDFILES)
41
42 include scripts/Kbuild.include 
43
44 # If this is include/asm-$(ARCH) and there's no $(ALTARCH), then
45 # override $(_dst) so that we install to include/asm directly.
46 # Unless $(BIASMDIR) is set, in which case we're probably doing
47 # a 'headers_install_all' build and we should keep the -$(ARCH)
48 # in the directory name.
49 ifeq ($(obj)$(ALTARCH),include/asm-$(ARCH)$(BIASMDIR))
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 # stamp files for header checks
60 check-y         := $(patsubst %,.check.%,$(header-y) $(unifdef-y) $(objhdr-y))
61
62 # Work out what needs to be removed
63 oldheaders      := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/*.h))
64 unwanted        := $(filter-out $(header-y) $(unifdef-y) $(objhdr-y),$(oldheaders))
65
66 oldcheckstamps  := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/.check.*.h))
67 unwanted        += $(filter-out $(check-y),$(oldcheckstamps))
68
69 # Prefix them all with full paths to $(INSTALL_HDR_PATH)
70 header-y        := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(header-y))
71 unifdef-y       := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(unifdef-y))
72 objhdr-y        := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(objhdr-y))
73 check-y         := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(check-y))
74
75
76 ifdef ALTARCH
77 ifeq ($(obj),include/asm-$(ARCH))
78 altarch-y       := altarch-dir
79 endif
80 endif
81
82 # Make the definitions visible for recursive make invocations
83 export ALTARCH
84 export ARCHDEF
85 export ALTARCHDEF
86
87 quiet_cmd_o_hdr_install   = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
88       cmd_o_hdr_install   = cp $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(objtree)/$(obj)/%,$@) \
89                             $(INSTALL_HDR_PATH)/$(_dst)
90
91 quiet_cmd_headers_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
92       cmd_headers_install = $(HDRSED) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@)  \
93                             > $@
94
95 quiet_cmd_unifdef         = UNIFDEF $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
96       cmd_unifdef         = $(UNIFDEF) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \
97                                    | $(HDRSED) > $@ || :
98
99 quiet_cmd_check           = CHECK   $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/.check.%,$(_dst)/%,$@)
100       cmd_check           = $(CONFIG_SHELL) $(srctree)/scripts/hdrcheck.sh \
101                               $(INSTALL_HDR_PATH)/include $(subst /.check.,/,$@) $@
102
103 quiet_cmd_remove          = REMOVE  $(_dst)/$@
104       cmd_remove          = rm -f $(INSTALL_HDR_PATH)/$(_dst)/$@
105
106 quiet_cmd_mkdir           = MKDIR   $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
107       cmd_mkdir           = mkdir -p $@
108
109 quiet_cmd_gen             = GEN     $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
110       cmd_gen             = \
111 FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@);                   \
112 STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z.- A-Z__`;                     \
113 (echo "/* File autogenerated by 'make headers_install' */" ;            \
114 echo "\#ifndef $$STUBDEF" ;                                             \
115 echo "\#define $$STUBDEF" ;                                             \
116 echo "\# if $(ARCHDEF)" ;                                               \
117 if [ -r $(subst /$(_dst)/,/include/$(archasm)/,$@) ]; then              \
118         echo "\#  include <$(archasm)/$$FNAME>" ;                       \
119 else                                                                    \
120         echo "\#  error $(archasm)/$$FNAME does not exist in"           \
121                         "the $(ARCH) architecture" ;                    \
122 fi ;                                                                    \
123 echo "\# elif $(ALTARCHDEF)" ;                                          \
124 if [ -r $(subst /$(_dst)/,/include/$(altarchasm)/,$@) ]; then           \
125         echo "\#  include <$(altarchasm)/$$FNAME>" ;                    \
126 else                                                                    \
127         echo "\#  error $(altarchasm)/$$FNAME does not exist in"        \
128                         "the $(ALTARCH) architecture" ;                 \
129 fi ;                                                                    \
130 echo "\# else" ;                                                        \
131 echo "\#  warning This machine appears to be"                           \
132                  "neither $(ARCH) nor $(ALTARCH)." ;                    \
133 echo "\# endif" ;                                                       \
134 echo "\#endif /* $$STUBDEF */" ;                                        \
135 ) > $@
136
137 .PHONY: __headersinst __headerscheck
138
139 ifdef HDRCHECK
140 __headerscheck: $(subdir-y) $(check-y)
141         @true
142
143 $(check-y) : $(INSTALL_HDR_PATH)/$(_dst)/.check.%.h : $(INSTALL_HDR_PATH)/$(_dst)/%.h 
144         $(call cmd,check)
145
146 # Other dependencies for $(check-y)
147 include /dev/null $(wildcard $(check-y))
148
149 # ... but leave $(check-y) as .PHONY for now until those deps are actually correct.
150 .PHONY: $(check-y)
151
152 else
153 # Rules for installing headers
154 __headersinst: $(subdir-y) $(header-y) $(unifdef-y) $(altarch-y) $(objhdr-y)
155         @true
156
157 $(objhdr-y) $(subdir-y) $(header-y) $(unifdef-y): | $(INSTALL_HDR_PATH)/$(_dst) $(unwanted)
158
159 $(INSTALL_HDR_PATH)/$(_dst):
160         $(call cmd,mkdir)
161
162 .PHONY: $(unwanted)
163 $(unwanted):
164         $(call cmd,remove)
165
166 ifdef GENASM
167 $(objhdr-y) $(header-y) $(unifdef-y): $(KBUILDFILES)
168         $(call cmd,gen)
169
170 else
171 $(objhdr-y) :           $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(objtree)/$(obj)/%.h $(KBUILDFILES)
172         $(call cmd,o_hdr_install)
173
174 $(header-y) :           $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
175         $(call cmd,headers_install)
176
177 $(unifdef-y) :          $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
178         $(call cmd,unifdef)
179 endif
180 endif
181
182 hdrinst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
183
184 .PHONY: altarch-dir
185 # All the files in the normal arch dir must be created first, since we test
186 # for their existence.
187 altarch-dir: $(subdir-y) $(header-y) $(unifdef-y) $(objhdr-y)
188         $(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH)
189         $(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm$(BIASMDIR)
190
191 # Recursion
192 .PHONY: $(subdir-y)
193 $(subdir-y):
194         $(Q)$(MAKE) $(hdrinst)=$(obj)/$@ dst=$(_dst)/$@ rel=../$(rel)