1# SPDX-License-Identifier: GPL-2.0 2# scripts/dtc makefile 3 4hostprogs-$(CONFIG_DTC) := dtc 5always := $(hostprogs-y) 6 7dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \ 8 srcpos.o checks.o util.o 9dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o 10 11# Source files need to get at the userspace version of libfdt_env.h to compile 12HOST_EXTRACFLAGS := -I$(src)/libfdt 13 14ifeq ($(wildcard /usr/include/yaml.h),) 15HOST_EXTRACFLAGS += -DNO_YAML 16else 17dtc-objs += yamltree.o 18HOSTLDLIBS_dtc := -lyaml 19endif 20 21# Generated files need one more search path to include headers in source tree 22HOSTCFLAGS_dtc-lexer.lex.o := -I$(src) 23HOSTCFLAGS_dtc-parser.tab.o := -I$(src) 24 25# dependencies on generated files need to be listed explicitly 26$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h 27