cc1: some warnings being treated as errors
scripts/Makefile.build:273: recipe for target '/home/kritsakis/Λήψεις/rtl8192eu-linux-driver/os_dep/osdep_service.o' failed
make[2]: *** [/home/kritsakis/Λήψεις/rtl8192eu-linux-driver/os_dep/osdep_service.o] Error 1
Makefile:1757: recipe for target '/home/kritsakis/Λήψεις/rtl8192eu-linux-driver' failed
make[1]: *** [/home/kritsakis/Λήψεις/rtl8192eu-linux-driver] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.4.0-51-generic'
Makefile:1700: recipe for target 'modules' failed
make: *** [modules] Error 2