[vijuarez@luna rtl8723bs]$ make
make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/4.14.28-1-lts/build M=/home/vijuarez/repo/rtl8723bs  modules
make[1]: se entra en el directorio '/usr/lib/modules/4.14.28-1-lts/build'
  CC [M]  /home/vijuarez/repo/rtl8723bs/core/rtw_cmd.o
In file included from /home/vijuarez/repo/rtl8723bs/include/drv_types.h:32:0,
                 from /home/vijuarez/repo/rtl8723bs/core/rtw_cmd.c:22:
/home/vijuarez/repo/rtl8723bs/include/osdep_service.h: En la función ‘thread_enter’:
/home/vijuarez/repo/rtl8723bs/include/osdep_service.h:345:2: error: implicit declaration of function ‘allow_signal’; did you mean ‘do_signal’? [-Werror=implicit-function-declaration]
  allow_signal(SIGTERM);
  ^~~~~~~~~~~~
  do_signal
/home/vijuarez/repo/rtl8723bs/include/osdep_service.h: En la función ‘flush_signals_thread’:
/home/vijuarez/repo/rtl8723bs/include/osdep_service.h:355:6: error: implicit declaration of function ‘signal_pending’; did you mean ‘timer_pending’? [-Werror=implicit-function-declaration]
  if (signal_pending (current))
      ^~~~~~~~~~~~~~
      timer_pending
/home/vijuarez/repo/rtl8723bs/include/osdep_service.h:357:3: error: implicit declaration of function ‘flush_signals’; did you mean ‘do_signal’? [-Werror=implicit-function-declaration]
   flush_signals(current);
   ^~~~~~~~~~~~~
   do_signal
cc1: algunos avisos se tratan como errores
make[2]: *** [scripts/Makefile.build:329: /home/vijuarez/repo/rtl8723bs/core/rtw_cmd.o] Error 1
make[1]: *** [Makefile:1519: _module_/home/vijuarez/repo/rtl8723bs] Error 2
make[1]: se sale del directorio '/usr/lib/modules/4.14.28-1-lts/build'
make: *** [Makefile:1680: modules] Error 2