LXR linux/scripts/mod/Makefile

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