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Makefile  |  1995-11-21  |  4.7 KB  |  159 lines
  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.  
  81. quiet_cmd_check          = CHECK   $(_dst)/$@
  82.       cmd_check          = $(srctree)/scripts/hdrcheck.sh        \
  83.                               $(INSTALL_HDR_PATH)/include        \
  84.                   $(INSTALL_HDR_PATH)/$(_dst)/$@
  85.  
  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.  
  120. ifdef HDRCHECK
  121. # Rules for checking headers
  122. $(objhdr-y) $(header-y) $(unifdef-y):
  123.     $(call cmd,check)
  124. else
  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
  147. endif
  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)
  159.