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- # scripts/dtc makefile
- # *** Also keep .gitignore in sync when changing ***
- hostprogs-y := dtc fdtoverlay
- ifeq ($(DTC_EXT),)
- always := $(hostprogs-y)
- endif
- 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
- # The upstream project builds libfdt as a separate library. We are choosing to
- # instead directly link the libfdt object files into fdtoverlay.
- 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
- libfdt = $(addprefix libfdt/,$(libfdt-objs))
- fdtoverlay-objs := $(libfdt) fdtoverlay.o util.o
- # Source files need to get at the userspace version of libfdt_env.h to compile
- HOST_EXTRACFLAGS += -I$(src)/libfdt
- ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
- HOST_EXTRACFLAGS += -DNO_YAML
- else
- dtc-objs += yamltree.o
- # To include <yaml.h> installed in a non-default path
- HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1)
- # To link libyaml installed in a non-default path
- HOSTLDLIBS_dtc := $(shell pkg-config --libs yaml-0.1)
- endif
- # Generated files need one more search path to include headers in source tree
- HOSTCFLAGS_dtc-lexer.lex.o := -I$(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
- # generated files need to be cleaned explicitly
- clean-files := dtc-lexer.lex.c dtc-parser.tab.c dtc-parser.tab.h
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