ubuntu@ip-10-202-63-252:~/RetroArch$ make -f Makefile.nacl
CC frontend/frontend.c
CC frontend/frontend_context.c
CC retroarch.c
retroarch.c: In function ‘set_savestate_auto_index’:
retroarch.c:1765: warning: array subscript has type ‘char’
At top level:
cc1: warning: unrecognized command line option "-Wno-unused-result"
CC file.c
CC file_path.c
file_path.c: In function ‘path_resolve_realpath’:
file_path.c:559: warning: implicit declaration of function ‘realpath’
At top level:
cc1: warning: unrecognized command line option "-Wno-unused-result"
CC hash.c
CC driver.c
CC settings.c
In file included from settings.c:23:
input/input_common.h:73: error: redefinition of typedef ‘rarch_joypad_driver_t’
driver.h:327: note: previous declaration of ‘rarch_joypad_driver_t’ was here
cc1: warning: unrecognized command line option "-Wno-unused-result"
make: *** [settings.o] Error 1