scripts/mod/Makefile

   1 OBJECT_FILES_NON_STANDARD := y
   2
   3 hostprogs-y     := modpost mk_elfconfig
   4 always          := $(hostprogs-y) empty.o
   5
   6 modpost-objs    := modpost.o file2alias.o sumversion.o
   7
   8 devicetable-offsets-file := devicetable-offsets.h
   9
  10 define sed-y
  11         "/^->/{s:->#\(.*\):/* \1 */:; \
  12         s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
  13         s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
  14         s:->::; p;}"
  15 endef
  16
  17 quiet_cmd_offsets = GEN     $@
  18 define cmd_offsets
  19         (set -e; \
  20          echo "#ifndef __DEVICETABLE_OFFSETS_H__"; \
  21          echo "#define __DEVICETABLE_OFFSETS_H__"; \
  22          echo "/*"; \
  23          echo " * DO NOT MODIFY."; \
  24          echo " *"; \
  25          echo " * This file was generated by Kbuild"; \
  26          echo " *"; \
  27          echo " */"; \
  28          echo ""; \
  29          sed -ne $(sed-y) $<; \
  30          echo ""; \
  31          echo "#endif" ) > $@
  32 endef
  33
  34 $(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s
  35         $(call if_changed,offsets)
  36
  37 targets += $(devicetable-offsets-file) devicetable-offsets.s
  38
  39 # dependencies on generated files need to be listed explicitly
  40
  41 $(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h
  42 $(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file)
  43
  44 quiet_cmd_elfconfig = MKELF   $@
  45       cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@
  46
  47 $(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE
  48         $(call if_changed,elfconfig)
  49
  50 targets += elfconfig.h