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# scripts/dtc makefile
hostprogs-y := dtc
always := $(hostprogs-y)
dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
srcpos.o checks.o
dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
# Source files need to get at the userspace version of libfdt_env.h to compile
HOSTCFLAGS_DTC := -I$(src) -I$(src)/libfdt
HOSTCFLAGS_checks.o := $(HOSTCFLAGS_DTC)
HOSTCFLAGS_data.o := $(HOSTCFLAGS_DTC)
HOSTCFLAGS_dtc.o := $(HOSTCFLAGS_DTC)
HOSTCFLAGS_flattree.o := $(HOSTCFLAGS_DTC)
HOSTCFLAGS_fstree.o := $(HOSTCFLAGS_DTC)
HOSTCFLAGS_livetree.o := $(HOSTCFLAGS_DTC)
HOSTCFLAGS_srcpos.o := $(HOSTCFLAGS_DTC)
HOSTCFLAGS_treesource.o := $(HOSTCFLAGS_DTC)
HOSTCFLAGS_dtc-lexer.lex.o := $(HOSTCFLAGS_DTC)
HOSTCFLAGS_dtc-parser.tab.o := $(HOSTCFLAGS_DTC)
# dependencies on generated files need to be listed explicitly
$(obj)/dtc-parser.tab.o: $(obj)/dtc-parser.tab.c $(obj)/dtc-parser.tab.h
$(obj)/dtc-lexer.lex.o: $(obj)/dtc-lexer.lex.c $(obj)/dtc-parser.tab.h
targets += dtc-parser.tab.c dtc-lexer.lex.c
clean-files += dtc-parser.tab.h
# GENERATE_PARSER := 1 # Uncomment to rebuild flex/bison output
ifdef GENERATE_PARSER
BISON = bison
FLEX = flex
quiet_cmd_bison = BISON $@
cmd_bison = $(BISON) -o$@ -d $<; cp $@ $@_shipped
quiet_cmd_flex = FLEX $@
cmd_flex = $(FLEX) -o$@ $<; cp $@ $@_shipped
$(obj)/dtc-parser.tab.c: $(src)/dtc-parser.y FORCE
$(call if_changed,bison)
$(obj)/dtc-parser.tab.h: $(obj)/dtc-parser.tab.c
$(obj)/dtc-lexer.lex.c: $(src)/dtc-lexer.l FORCE
$(call if_changed,flex)
endif
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