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-always-$(CONFIG_DTC) += dtc
5 hostprogs-always-$(CONFIG_DTC) += dtc !! 5 hostprogs-always-$(CHECK_DT_BINDING) += dtc
6 hostprogs-always-$(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_DT_BINDING)$(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 # To include <yaml.h> installed in a non-default path
>> 23 HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1)
>> 24 # To link libyaml installed in a non-default path
>> 25 HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs)
>> 26 endif
21 27
22 # Generated files need one more search path to 28 # Generated files need one more search path to include headers in source tree
23 HOSTCFLAGS_dtc-lexer.lex.o := -I $(src) !! 29 HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
24 HOSTCFLAGS_dtc-parser.tab.o := -I $(src) !! 30 HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
25 31
26 # dependencies on generated files need to be l 32 # dependencies on generated files need to be listed explicitly
27 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab. 33 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
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