arm-linux-ld: drivers/char/Liu19031315/built-in.o: No such file: No such file or directory
make[2]: *** [scripts/Makefile.build:298: drivers/char/built-in.o] Error 1
make[1]: *** [scripts/Makefile.build:366: drivers/char] Error 2
make: *** [Makefile:884: drivers] Error 2
arm-linux-ld: drivers/char/Liu19031315/built-in.o:
No such file: No such file or directory
没有这个文件或者目录。
一级级检查一下，少了那个文件夹或者文件。