linux-imx/scripts/dtc/Makefile

SPDX-License-Identifier: GPL-2.0

scripts/dtc makefile

hostprogs-$(CONFIG_DTC) := dtc always := $(hostprogs-y)

dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o
srcpos.o checks.o util.o dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o

Source files need to get at the userspace version of libfdt_env.h to compile

HOST_EXTRACFLAGS := -I$(src)/libfdt

ifeq ($(wildcard /usr/include/yaml.h),) HOST_EXTRACFLAGS += -DNO_YAML else dtc-objs += yamltree.o HOSTLDLIBS_dtc := -lyaml endif

Generated files need one more search path to include headers in source tree

HOSTCFLAGS_dtc-lexer.lex.o := -I$(src) HOSTCFLAGS_dtc-parser.tab.o := -I$(src)

dependencies on generated files need to be listed explicitly

$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h