erro na compilação... o que esta errado?

[adilson bts]

o que pode estar errado aqui...

make
make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/5.5.0-rc3/build M=/home/deepin/build/rtl8821CU modules
make[1]: Entering directory '/usr/src/linux-headers-5.5.0-rc3'
make[2]: *** No rule to make target '/home/deepin/build/rtl8821CU/core/rtw_cmd.o', needed by '/home/deepin/build/rtl8821CU/8821cu.o'. Pare.
Makefile:1693: recipe for target '/home/deepin/build/rtl8821CU' failed
make[1]: *** [/home/deepin/build/rtl8821CU] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.5.0-rc3'
Makefile:2183: recipe for target 'modules' failed
make: *** [modules] Error 2

[Felix]

Verifique se o arquivo /home/deepin/build/rtl8821CU/core/rtw_cmd.o realmente existe.