按照 https://wiki.sipeed.com/soft/Lichee/zh/Nano-Doc-Backup/get_started/first_eat.html 教程来编译U-Boot时候出现的错误
错误信息
LD examples/standalone/libstubs.o
LD examples/standalone/hello_world
OBJCOPY examples/standalone/hello_world.srec
OBJCOPY examples/standalone/hello_world.bin
LD u-boot
DTC arch/arm/dts/suniv-f1c100s-licheepi-nano.dtb
Error: arch/arm/dts/.suniv-f1c100s-licheepi-nano.dtb.pre.tmp:54.1-10 syntax error
FATAL ERROR: Unable to parse input tree
make[2]: *** [scripts/Makefile.lib:329：arch/arm/dts/suniv-f1c100s-licheepi-nano.dtb] 错误 1
make[1]: *** [dts/Makefile:51：arch/arm/dts/suniv-f1c100s-licheepi-nano.dtb] 错误 2
make: *** [Makefile:877：dts/dt.dtb] 错误 2
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检查得知生成的 .suniv-f1c100s-licheepi-nano.dtb.pre.tmp 最后一行出现转译符号。
...
&usbphy {
usb0_id_det-gpio = <&pio 4 2 GPIO_ACTIVE_HIGH>; /* PE2 */
status = "okay";
};
\#include "sunxi-u-boot.dtsi" // 应该是#include "sunxi-u-boot.dtsi"，多了一个 \ 导致语法错误
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解决方法
修改 scripts/Makefile.lib 第 321 行
quiet_cmd_dtc = DTC $@
# Modified for U-Boot
# Bring in any U-Boot-specific include at the end of the file
cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $(pre-tmp) ; \
$(DTC) -O dtb -o $@ -b 0 \
-i $(dir $<) $(DTC_FLAGS) \
-d $(depfile).dtc.tmp $(dtc-tmp) ; \
cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
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