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- # 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 $(srctree)/$(src)/libfdt
- ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
- ifneq ($(CHECK_DTBS),)
- $(error dtc needs libyaml for DT schema validation support. \
- Install the necessary libyaml development package.)
- endif
- HOST_EXTRACFLAGS += -DNO_YAML
- else
- dtc-objs += yamltree.o
- HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs)
- endif
- # Generated files need one more search path to include headers in source tree
- HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
- HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
- # dependencies on generated files need to be listed explicitly
- $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
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