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https://github.com/AsahiLinux/u-boot
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When building in a portage chroot, we do not have the environment needed to build pylibfdt. It is instead build as a separate package. Provide a build option to tell U-Boot to skip this part of the build. We still need it to use binman, etc. but don't need it to build its dependencies. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Mike Frysinger <vapier@chromium.org> [s/build bytes/builds bytes in tools.rst] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
24 lines
727 B
Makefile
24 lines
727 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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# scripts/dtc makefile
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hostprogs-y := dtc
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always := $(hostprogs-y)
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dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
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srcpos.o checks.o util.o
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dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
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# Source files need to get at the userspace version of libfdt_env.h to compile
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HOST_EXTRACFLAGS := -I$(src)/libfdt
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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$(src)
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HOSTCFLAGS_dtc-parser.tab.o := -I$(src)
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# dependencies on generated files need to be listed explicitly
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$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
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# Added for U-Boot
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ifeq ($(PYTHON_ENABLE),y)
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subdir-$(CONFIG_PYLIBFDT) += pylibfdt
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endif
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