1 # SPDX-License-Identifier: GPL-2.0 2 # scripts/dtc makefile 3 4 # *** Also keep .gitignore in sync when changing *** 5 hostprogs-always-$(CONFIG_DTC) += dtc fdtoverlay 6 hostprogs-always-$(CHECK_DTBS) += dtc 7 8 dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \ 9 srcpos.o checks.o util.o 10 dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o 11 12 # The upstream project builds libfdt as a separate library. We are choosing to 13 # instead directly link the libfdt object files into fdtoverlay. 14 libfdt-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 15 libfdt = $(addprefix libfdt/,$(libfdt-objs)) 16 fdtoverlay-objs := $(libfdt) fdtoverlay.o util.o 17 18 # Source files need to get at the userspace version of libfdt_env.h to compile 19 HOST_EXTRACFLAGS += -I $(src)/libfdt 20 HOST_EXTRACFLAGS += -DNO_YAML 21 22 # Generated files need one more search path to include headers in source tree 23 HOSTCFLAGS_dtc-lexer.lex.o := -I $(src) 24 HOSTCFLAGS_dtc-parser.tab.o := -I $(src) 25 26 # dependencies on generated files need to be listed explicitly 27 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
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