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