1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 29fffb55fSDavid Gibson# scripts/dtc makefile 39fffb55fSDavid Gibson 437c8a5faSRob Herringhostprogs-$(CONFIG_DTC) := dtc 59fffb55fSDavid Gibsonalways := $(hostprogs-y) 69fffb55fSDavid Gibson 79fffb55fSDavid Gibsondtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \ 8658f29a5SJohn Bonesio srcpos.o checks.o util.o 99fffb55fSDavid Gibsondtc-objs += dtc-lexer.lex.o dtc-parser.tab.o 109fffb55fSDavid Gibson 119fffb55fSDavid Gibson# Source files need to get at the userspace version of libfdt_env.h to compile 12e3fd9b53SMasahiro YamadaHOST_EXTRACFLAGS := -I$(src)/libfdt 139fffb55fSDavid Gibson 14f858927fSRob Herringifeq ($(wildcard /usr/include/yaml.h),) 15*4f0e3a57SRob Herringifneq ($(CHECK_DTBS),) 16*4f0e3a57SRob Herring$(error dtc needs libyaml for DT schema validation support. \ 17*4f0e3a57SRob Herring Install the necessary libyaml development package.) 18*4f0e3a57SRob Herringendif 19f858927fSRob HerringHOST_EXTRACFLAGS += -DNO_YAML 20f858927fSRob Herringelse 21f858927fSRob Herringdtc-objs += yamltree.o 22f858927fSRob HerringHOSTLDLIBS_dtc := -lyaml 23f858927fSRob Herringendif 24f858927fSRob Herring 25e3fd9b53SMasahiro Yamada# Generated files need one more search path to include headers in source tree 26e3fd9b53SMasahiro YamadaHOSTCFLAGS_dtc-lexer.lex.o := -I$(src) 27e3fd9b53SMasahiro YamadaHOSTCFLAGS_dtc-parser.tab.o := -I$(src) 289fffb55fSDavid Gibson 299fffb55fSDavid Gibson# dependencies on generated files need to be listed explicitly 3095abef88SArnaud Lacombe$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h 31