cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o sundog.o sundog.c
sundog.c: In function ‘event_loop’:
sundog.c:515:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
             switch (event.key.keysym.sym) {
             ^~~~~~
sundog.c:597:9: note: here
         case SDL_USEREVENT:
         ^~~~
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o psys/psys_bootstrap.o psys/psys_bootstrap.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o psys/psys_debug.o psys/psys_debug.c
psys/psys_debug.c: In function ‘psys_print_info’:
psys/psys_debug.c:218:9: warning: ‘val’ may be used uninitialized in this function [-Wmaybe-uninitialized]
         printf("0x%x", val);
         ^~~~~~~~~~~~~~~~~~~
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o psys/psys_interpreter.o psys/psys_interpreter.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o psys/psys_opcodes.o psys/psys_opcodes.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o psys/psys_registers.o psys/psys_registers.c
psys/psys_registers.c: In function ‘psys_spr’:
psys/psys_registers.c:44:28: warning: this statement may fall through [-Wimplicit-fallthrough=]
             state->curtask = value;
             ~~~~~~~~~~~~~~~^~~~~~~
psys/psys_registers.c:45:9: note: here
         case PSYS_REG_EVEC:
         ^~~~
psys/psys_registers.c:48:27: warning: this statement may fall through [-Wimplicit-fallthrough=]
             state->readyq = value;
             ~~~~~~~~~~~~~~^~~~~~~
psys/psys_registers.c:49:9: note: here
         default:
         ^~~~~~~
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o psys/psys_rsp.o psys/psys_rsp.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o psys/psys_save_state.o psys/psys_save_state.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o psys/psys_set.o psys/psys_set.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o psys/psys_task.o psys/psys_task.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o game/game_gembind.o game/game_gembind.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o game/game_screen.o game/game_screen.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o game/game_shiplib.o game/game_shiplib.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o game/game_debug.o game/game_debug.c
cc -Werror=implicit-function-declaration -Wmissing-declarations -Wall -Wextra -Wno-unused-parameter -Og -Wall -ggdb3 -g3 -I. -DFLIP_ENDIAN_HACK -DPSYS_DEBUGGER -DGAME_CHEATS -DENABLE_DEBUGUI -I/usr/include/SDL2 -D_REENTRANT  -Wmissing-prototypes   -c -o util/debugger.o util/debugger.c
In file included from /usr/include/readline/history.h:35,
                 from util/debugger.c:16:
/usr/include/readline/rltypedefs.h:71:28: error: unknown type name ‘FILE’
 typedef int rl_getc_func_t PARAMS((FILE *));
                            ^~~~~~
/usr/include/readline/rltypedefs.h:71:28: note: ‘FILE’ is defined in header ‘<stdio.h>’; did you forget to ‘#include <stdio.h>’?
/usr/include/readline/rltypedefs.h:1:1:
+#include <stdio.h>
 /* rltypedefs.h -- Type declarations for readline functions. */
/usr/include/readline/rltypedefs.h:71:28:
 typedef int rl_getc_func_t PARAMS((FILE *));
                            ^~~~~~
/usr/include/readline/readline.h:429:20: error: unknown type name ‘FILE’
 extern int rl_getc PARAMS((FILE *));
                    ^~~~~~
/usr/include/readline/readline.h:429:20: note: ‘FILE’ is defined in header ‘<stdio.h>’; did you forget to ‘#include <stdio.h>’?
/usr/include/readline/readline.h:39:1:
+#include <stdio.h>
 #endif
/usr/include/readline/readline.h:429:20:
 extern int rl_getc PARAMS((FILE *));
                    ^~~~~~
In file included from util/debugger.c:17:
/usr/include/readline/readline.h:558:8: error: unknown type name ‘FILE’
 extern FILE *rl_instream;
        ^~~~
/usr/include/readline/readline.h:559:8: error: unknown type name ‘FILE’
 extern FILE *rl_outstream;
        ^~~~
/usr/include/readline/readline.h:588:8: error: unknown type name ‘rl_getc_func_t’
 extern rl_getc_func_t *rl_getc_function;
        ^~~~~~~~~~~~~~
/usr/include/readline/readline.h:917:3: error: unknown type name ‘FILE’
   FILE *inf;
   ^~~~
/usr/include/readline/readline.h:918:3: error: unknown type name ‘FILE’
   FILE *outf;
   ^~~~
util/debugger.c: In function ‘psys_debugger_run’:
util/debugger.c:319:9: error: implicit declaration of function ‘printf’ [-Werror=implicit-function-declaration]
         printf("** Entering psys debugger: type 'h' for help **\n");
         ^~~~~~
util/debugger.c:319:9: warning: incompatible implicit declaration of built-in function ‘printf’
util/debugger.c:319:9: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:19:1:
+#include <stdio.h>
 
util/debugger.c:319:9:
         printf("** Entering psys debugger: type 'h' for help **\n");
         ^~~~~~
util/debugger.c:361:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("Set breakpoint %d at %.8s:0x%x\n", brk->num, brk->seg.name, brk->addr);
                     ^~~~~~
util/debugger.c:361:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:364:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf(ATITLE ">   Breakpoints   >" ARESET "\n");
                     ^~~~~~
util/debugger.c:364:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:379:25: warning: incompatible implicit declaration of built-in function ‘printf’
                         printf("%s breakpoint %d\n", enable ? "Enabled" : "Disabled", brk->num);
                         ^~~~~~
util/debugger.c:379:25: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:381:25: warning: incompatible implicit declaration of built-in function ‘printf’
                         printf("Breakpoint %i out of range\n", i);
                         ^~~~~~
util/debugger.c:381:25: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:384:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("One argument required\n");
                     ^~~~~~
util/debugger.c:384:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:388:17: warning: incompatible implicit declaration of built-in function ‘printf’
                 printf(ATITLE "erec sib  flg segname  base size " ARESET "\n");
                 ^~~~~~
util/debugger.c:388:17: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:445:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("Wrote memory dump to %s\n", args[1]);
                     ^~~~~~
util/debugger.c:445:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:447:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("Two arguments required\n");
                     ^~~~~~
util/debugger.c:447:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:457:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("One or two arguments required\n");
                     ^~~~~~
util/debugger.c:457:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:467:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("At least two arguments required\n");
                     ^~~~~~
util/debugger.c:467:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:477:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("At least two arguments required\n");
                     ^~~~~~
util/debugger.c:477:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:489:29: warning: incompatible implicit declaration of built-in function ‘printf’
                             printf("No such segment known\n");
                             ^~~~~~
util/debugger.c:489:29: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:491:29: warning: incompatible implicit declaration of built-in function ‘printf’
                             printf("Global 0x%x out of range for segment\n", addr);
                             ^~~~~~
util/debugger.c:491:29: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:495:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("At least three arguments required\n");
                     ^~~~~~
util/debugger.c:495:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:505:29: warning: incompatible implicit declaration of built-in function ‘printf’
                             printf("0x%04x\n", address);
                             ^~~~~~
util/debugger.c:505:29: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:508:29: warning: incompatible implicit declaration of built-in function ‘printf’
                             printf("0x%04x\n", value);
                             ^~~~~~
util/debugger.c:508:29: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:512:29: warning: incompatible implicit declaration of built-in function ‘printf’
                             printf("No such segment known\n");
                             ^~~~~~
util/debugger.c:512:29: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:514:29: warning: incompatible implicit declaration of built-in function ‘printf’
                             printf("Global 0x%x out of range for segment\n", addr);
                             ^~~~~~
util/debugger.c:514:29: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:518:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("Two arguments are required\n");
                     ^~~~~~
util/debugger.c:518:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:526:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("At least two arguments required\n");
                     ^~~~~~
util/debugger.c:526:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:533:25: warning: incompatible implicit declaration of built-in function ‘printf’
                         printf("0x%04x\n", address);
                         ^~~~~~
util/debugger.c:533:25: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:536:25: warning: incompatible implicit declaration of built-in function ‘printf’
                         printf("0x%04x\n", value);
                         ^~~~~~
util/debugger.c:536:25: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:539:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("One argument is required\n");
                     ^~~~~~
util/debugger.c:539:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:549:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("Cannot go further up\n");
                     ^~~~~~
util/debugger.c:549:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:557:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("No further lexical parent\n");
                     ^~~~~~
util/debugger.c:557:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:564:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("Cannot go further down\n");
                     ^~~~~~
util/debugger.c:564:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:572:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("No lexical children of current frame\n");
                     ^~~~~~
util/debugger.c:572:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:580:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("Two arguments are required\n");
                     ^~~~~~
util/debugger.c:580:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:586:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("0x%04x\n", value);
                     ^~~~~~
util/debugger.c:586:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:588:21: warning: incompatible implicit declaration of built-in function ‘printf’
                     printf("One argument is required\n");
                     ^~~~~~
util/debugger.c:588:21: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:591:17: warning: incompatible implicit declaration of built-in function ‘printf’
                 printf(ATITLE ">   Help   >" ARESET "\n");
                 ^~~~~~
util/debugger.c:591:17: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c:630:17: warning: incompatible implicit declaration of built-in function ‘printf’
                 printf("Unknown command %s. Type 'h' for help.\n", cmd);
                 ^~~~~~
util/debugger.c:630:17: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
util/debugger.c: In function ‘psys_debugger_trace’:
util/debugger.c:673:17: warning: incompatible implicit declaration of built-in function ‘printf’
                 printf("Hit breakpoint %d at %.8s:0x%x\n", i, brk->seg.name, brk->addr);
                 ^~~~~~
util/debugger.c:673:17: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
cc1: some warnings being treated as errors
make: *** [<builtin>: util/debugger.o] Error 1