1 # SPDX-License-Identifier: GPL-2.0 <<
2 # scripts/dtc makefile 1 # scripts/dtc makefile
3 2
4 # *** Also keep .gitignore in sync when changi !! 3 hostprogs-y := dtc
5 hostprogs-always-$(CONFIG_DTC) += dtc !! 4 always := $(hostprogs-y)
6 hostprogs-always-$(CHECK_DTBS) += dtc <<
7 5
8 dtc-objs := dtc.o flattree.o fstree.o d 6 dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
9 srcpos.o checks.o util.o !! 7 srcpos.o checks.o
10 dtc-objs += dtc-lexer.lex.o dtc-parser. 8 dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
11 9
12 # The upstream project builds libfdt as a sepa <<
13 # instead directly link the libfdt object file <<
14 libfdt-objs := fdt.o fdt_ro.o fdt_wip.o fd <<
15 libfdt = $(addprefix libfdt/,$(libfdt <<
16 fdtoverlay-objs := $(libfdt) fdtoverlay.o util <<
17 <<
18 # Source files need to get at the userspace ve 10 # Source files need to get at the userspace version of libfdt_env.h to compile
19 HOST_EXTRACFLAGS += -I $(src)/libfdt <<
20 HOST_EXTRACFLAGS += -DNO_YAML <<
21 11
22 # Generated files need one more search path to !! 12 HOSTCFLAGS_DTC := -I$(src) -I$(src)/libfdt
23 HOSTCFLAGS_dtc-lexer.lex.o := -I $(src) !! 13
24 HOSTCFLAGS_dtc-parser.tab.o := -I $(src) !! 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 25
26 # dependencies on generated files need to be l 26 # dependencies on generated files need to be listed explicitly
27 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab. !! 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
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