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 := dtc
5 hostprogs-always-$(CONFIG_DTC) += dtc !! 5 always-$(CONFIG_DTC) += $(hostprogs)
6 hostprogs-always-$(CHECK_DTBS) += dtc !! 6 always-$(CHECK_DT_BINDING) += $(hostprogs)
7 7
8 dtc-objs := dtc.o flattree.o fstree.o d 8 dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
9 srcpos.o checks.o util.o 9 srcpos.o checks.o util.o
10 dtc-objs += dtc-lexer.lex.o dtc-parser. 10 dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
11 11
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 12 # Source files need to get at the userspace version of libfdt_env.h to compile
19 HOST_EXTRACFLAGS += -I $(src)/libfdt !! 13 HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt
>> 14
>> 15 ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
>> 16 ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),)
>> 17 $(error dtc needs libyaml for DT schema validation support. \
>> 18 Install the necessary libyaml development package.)
>> 19 endif
20 HOST_EXTRACFLAGS += -DNO_YAML 20 HOST_EXTRACFLAGS += -DNO_YAML
>> 21 else
>> 22 dtc-objs += yamltree.o
>> 23 # To include <yaml.h> installed in a non-default path
>> 24 HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1)
>> 25 # To link libyaml installed in a non-default path
>> 26 HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs)
>> 27 endif
21 28
22 # Generated files need one more search path to 29 # Generated files need one more search path to include headers in source tree
23 HOSTCFLAGS_dtc-lexer.lex.o := -I $(src) !! 30 HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
24 HOSTCFLAGS_dtc-parser.tab.o := -I $(src) !! 31 HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
25 32
26 # dependencies on generated files need to be l 33 # dependencies on generated files need to be listed explicitly
27 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab. 34 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
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