scripts/dtc/Makefile

   1 # scripts/dtc makefile
   2
   3 hostprogs-y     := dtc
   4 always          := $(hostprogs-y)
   5
   6 dtc-objs        := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
   7                    srcpos.o checks.o
   8 dtc-objs        += dtc-lexer.lex.o dtc-parser.tab.o
   9
  10 # Source files need to get at the userspace version of libfdt_env.h to compile
  11
  12 HOSTCFLAGS_DTC := -I$(src) -I$(src)/libfdt
  13
  14 HOSTCFLAGS_checks.o := $(HOSTCFLAGS_DTC)
  15 HOSTCFLAGS_data.o := $(HOSTCFLAGS_DTC)
  16 HOSTCFLAGS_dtc.o := $(HOSTCFLAGS_DTC)
  17 HOSTCFLAGS_flattree.o := $(HOSTCFLAGS_DTC)
  18 HOSTCFLAGS_fstree.o := $(HOSTCFLAGS_DTC)
  19 HOSTCFLAGS_livetree.o := $(HOSTCFLAGS_DTC)
  20 HOSTCFLAGS_srcpos.o := $(HOSTCFLAGS_DTC)
  21 HOSTCFLAGS_treesource.o := $(HOSTCFLAGS_DTC)
  22
  23 HOSTCFLAGS_dtc-lexer.lex.o := $(HOSTCFLAGS_DTC)
  24 HOSTCFLAGS_dtc-parser.tab.o := $(HOSTCFLAGS_DTC)
  25
  26 # dependencies on generated files need to be listed explicitly
  27 $(obj)/dtc-parser.tab.o: $(obj)/dtc-parser.tab.c $(obj)/dtc-parser.tab.h
  28 $(obj)/dtc-lexer.lex.o:  $(obj)/dtc-lexer.lex.c $(obj)/dtc-parser.tab.h
  29
  30 targets += dtc-parser.tab.c dtc-lexer.lex.c
  31
  32 clean-files += dtc-parser.tab.h
  33
  34 # GENERATE_PARSER := 1          # Uncomment to rebuild flex/bison output
  35
  36 ifdef GENERATE_PARSER
  37
  38 BISON = bison
  39 FLEX = flex
  40
  41 quiet_cmd_bison = BISON   $@
  42       cmd_bison = $(BISON) -o$@ -d $<; cp $@ $@_shipped
  43 quiet_cmd_flex = FLEX    $@
  44       cmd_flex = $(FLEX) -o$@ $<; cp $@ $@_shipped
  45
  46 $(obj)/dtc-parser.tab.c: $(src)/dtc-parser.y FORCE
  47         $(call if_changed,bison)
  48
  49 $(obj)/dtc-parser.tab.h: $(obj)/dtc-parser.tab.c
  50
  51 $(obj)/dtc-lexer.lex.c: $(src)/dtc-lexer.l FORCE
  52         $(call if_changed,flex)
  53
  54 endif