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 # *** Also keep .gitignore in sync when changing ***
5 hostprogs-always-$(CONFIG_DTC) += dtc 5 hostprogs-always-$(CONFIG_DTC) += dtc fdtoverlay
6 hostprogs-always-$(CHECK_DTBS) += dtc !! 6 hostprogs-always-$(CHECK_DT_BINDING) += dtc
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 12 # The upstream project builds libfdt as a separate library. We are choosing to
13 # instead directly link the libfdt object file 13 # instead directly link the libfdt object files into fdtoverlay.
14 libfdt-objs := fdt.o fdt_ro.o fdt_wip.o fd 14 libfdt-objs := fdt.o fdt_ro.o fdt_wip.o fdt_sw.o fdt_rw.o fdt_strerror.o fdt_empty_tree.o fdt_addresses.o fdt_overlay.o
15 libfdt = $(addprefix libfdt/,$(libfdt 15 libfdt = $(addprefix libfdt/,$(libfdt-objs))
16 fdtoverlay-objs := $(libfdt) fdtoverlay.o util 16 fdtoverlay-objs := $(libfdt) fdtoverlay.o util.o
17 17
18 # Source files need to get at the userspace ve 18 # Source files need to get at the userspace version of libfdt_env.h to compile
19 HOST_EXTRACFLAGS += -I $(src)/libfdt !! 19 HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt
>> 20
>> 21 ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
>> 22 ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),)
>> 23 $(error dtc needs libyaml for DT schema validation support. \
>> 24 Install the necessary libyaml development package.)
>> 25 endif
20 HOST_EXTRACFLAGS += -DNO_YAML 26 HOST_EXTRACFLAGS += -DNO_YAML
>> 27 else
>> 28 dtc-objs += yamltree.o
>> 29 # To include <yaml.h> installed in a non-default path
>> 30 HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1)
>> 31 # To link libyaml installed in a non-default path
>> 32 HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs)
>> 33 endif
21 34
22 # Generated files need one more search path to 35 # Generated files need one more search path to include headers in source tree
23 HOSTCFLAGS_dtc-lexer.lex.o := -I $(src) !! 36 HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
24 HOSTCFLAGS_dtc-parser.tab.o := -I $(src) !! 37 HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
25 38
26 # dependencies on generated files need to be l 39 # dependencies on generated files need to be listed explicitly
27 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab. 40 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
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