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40 lines
1.6 KiB
40 lines
1.6 KiB
# 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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ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),) |
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ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),) |
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$(error dtc needs libyaml for DT schema validation support. \ |
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Install the necessary libyaml development package.) |
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endif |
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HOST_EXTRACFLAGS += -DNO_YAML |
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else |
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dtc-objs += yamltree.o |
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# To include <yaml.h> installed in a non-default path |
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HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1) |
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# To link libyaml installed in a non-default path |
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HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs) |
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endif |
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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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