28 lines
1.1 KiB
Makefile
28 lines
1.1 KiB
Makefile
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# SPDX-License-Identifier: GPL-2.0
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# scripts/dtc makefile
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# *** Also keep .gitignore in sync when changing ***
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hostprogs-always-$(CONFIG_DTC) += dtc fdtoverlay
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hostprogs-always-$(CHECK_DT_BINDING) += dtc
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dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
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srcpos.o checks.o util.o
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dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
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# The upstream project builds libfdt as a separate library. We are choosing to
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# instead directly link the libfdt object files into fdtoverlay.
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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
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libfdt = $(addprefix libfdt/,$(libfdt-objs))
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fdtoverlay-objs := $(libfdt) fdtoverlay.o util.o
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# Source files need to get at the userspace version of libfdt_env.h to compile
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HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt
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HOST_EXTRACFLAGS += -DNO_YAML
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# Generated files need one more search path to include headers in source tree
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HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
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HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
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# dependencies on generated files need to be listed explicitly
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$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
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