1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 29fffb55fSDavid Gibson# scripts/dtc makefile 39fffb55fSDavid Gibson 4*0da6bcd9SViresh Kumarhostprogs-always-$(CONFIG_DTC) += dtc fdtoverlay 5faabed29SMasahiro Yamadahostprogs-always-$(CHECK_DT_BINDING) += dtc 69fffb55fSDavid Gibson 79fffb55fSDavid Gibsondtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \ 8658f29a5SJohn Bonesio srcpos.o checks.o util.o 99fffb55fSDavid Gibsondtc-objs += dtc-lexer.lex.o dtc-parser.tab.o 109fffb55fSDavid Gibson 11*0da6bcd9SViresh Kumar# The upstream project builds libfdt as a separate library. We are choosing to 12*0da6bcd9SViresh Kumar# instead directly link the libfdt object files into fdtoverlay. 13*0da6bcd9SViresh Kumarlibfdt-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 14*0da6bcd9SViresh Kumarlibfdt = $(addprefix libfdt/,$(libfdt-objs)) 15*0da6bcd9SViresh Kumarfdtoverlay-objs := $(libfdt) fdtoverlay.o util.o 16*0da6bcd9SViresh Kumar 179fffb55fSDavid Gibson# Source files need to get at the userspace version of libfdt_env.h to compile 18efe84d40SUwe Kleine-KönigHOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt 199fffb55fSDavid Gibson 20067c650cSPavel Modilaynenifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),) 210903060fSMasahiro Yamadaifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),) 224f0e3a57SRob Herring$(error dtc needs libyaml for DT schema validation support. \ 234f0e3a57SRob Herring Install the necessary libyaml development package.) 244f0e3a57SRob Herringendif 25f858927fSRob HerringHOST_EXTRACFLAGS += -DNO_YAML 26f858927fSRob Herringelse 27f858927fSRob Herringdtc-objs += yamltree.o 28f8d8b46cSMasahiro Yamada# To include <yaml.h> installed in a non-default path 29f8d8b46cSMasahiro YamadaHOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1) 30f8d8b46cSMasahiro Yamada# To link libyaml installed in a non-default path 31067c650cSPavel ModilaynenHOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs) 32f858927fSRob Herringendif 33f858927fSRob Herring 34e3fd9b53SMasahiro Yamada# Generated files need one more search path to include headers in source tree 359cc342f6SMasahiro YamadaHOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src) 369cc342f6SMasahiro YamadaHOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src) 379fffb55fSDavid Gibson 389fffb55fSDavid Gibson# dependencies on generated files need to be listed explicitly 3995abef88SArnaud Lacombe$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h 40