1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # scripts/dtc makefile 2 # scripts/dtc makefile
3 3
4 # *** Also keep .gitignore in sync when changi !! 4 hostprogs-$(CONFIG_DTC) := dtc
5 hostprogs-always-$(CONFIG_DTC) += dtc !! 5 always := $(hostprogs-y)
6 hostprogs-always-$(CHECK_DTBS) += dtc <<
7 6
8 dtc-objs := dtc.o flattree.o fstree.o d 7 dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
9 srcpos.o checks.o util.o 8 srcpos.o checks.o util.o
10 dtc-objs += dtc-lexer.lex.o dtc-parser. 9 dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
11 10
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 11 # Source files need to get at the userspace version of libfdt_env.h to compile
19 HOST_EXTRACFLAGS += -I $(src)/libfdt !! 12 HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt
>> 13
>> 14 ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
>> 15 ifneq ($(CHECK_DTBS),)
>> 16 $(error dtc needs libyaml for DT schema validation support. \
>> 17 Install the necessary libyaml development package.)
>> 18 endif
20 HOST_EXTRACFLAGS += -DNO_YAML 19 HOST_EXTRACFLAGS += -DNO_YAML
>> 20 else
>> 21 dtc-objs += yamltree.o
>> 22 HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs)
>> 23 endif
21 24
22 # Generated files need one more search path to 25 # Generated files need one more search path to include headers in source tree
23 HOSTCFLAGS_dtc-lexer.lex.o := -I $(src) !! 26 HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
24 HOSTCFLAGS_dtc-parser.tab.o := -I $(src) !! 27 HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
25 28
26 # dependencies on generated files need to be l 29 # dependencies on generated files need to be listed explicitly
27 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab. 30 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
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