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gengenrtl.c:213:18: error: implicit declaration of function ‘strlen’ [-Werror=implicit-function-declaration]
  213 |            (int) strlen (format) - 1);
      |                  ^~~~~~
gengenrtl.c:213:18: note: include ‘<string.h>’ or provide a declaration of ‘strlen’
gengenrtl.c:213:18: warning: incompatible implicit declaration of built-in function ‘strlen’ [-Wbuiltin-declaration-mismatch]
gengenrtl.c:213:18: note: include ‘<string.h>’ or provide a declaration of ‘strlen’
gengenrtl.c: In function ‘genlegend’:
gengenrtl.c:230:6: error: unknown type name ‘FILE’
  230 |      FILE *f;
      |      ^~~~
gengenrtl.c:230:6: note: ‘FILE’ is defined in header ‘<stdio.h>’; did you forget to ‘#include <stdio.h>’?
gengenrtl.c:232:3: warning: incompatible implicit declaration of built-in function ‘fprintf’ [-Wbuiltin-declaration-mismatch]
  232 |   fprintf (f, "/* Generated automaticaly by the program `gengenrtl'\n");
      |   ^~~~~~~
gengenrtl.c:232:3: note: include ‘<stdio.h>’ or provide a declaration of ‘fprintf’
gengenrtl.c: In function ‘genheader’:
gengenrtl.c:238:6: error: unknown type name ‘FILE’
  238 |      FILE *f;
      |      ^~~~
gengenrtl.c:238:6: note: ‘FILE’ is defined in header ‘<stdio.h>’; did you forget to ‘#include <stdio.h>’?
gengenrtl.c:243:14: error: ‘formats’ undeclared (first use in this function)
  243 |   for (fmt = formats; *fmt; ++fmt)
      |              ^~~~~~~
gengenrtl.c:246:3: warning: incompatible implicit declaration of built-in function ‘fprintf’ [-Wbuiltin-declaration-mismatch]
  246 |   fprintf(f, "\n");
      |   ^~~~~~~
gengenrtl.c:246:3: note: include ‘<stdio.h>’ or provide a declaration of ‘fprintf’
rtl.h:48:28: error: ‘LAST_AND_UNUSED_RTX_CODE’ undeclared (first use in this function)
   48 | #define NUM_RTX_CODE ((int)LAST_AND_UNUSED_RTX_CODE)
      |                            ^~~~~~~~~~~~~~~~~~~~~~~~
gengenrtl.c:248:19: note: in expansion of macro ‘NUM_RTX_CODE’
  248 |   for (i = 0; i < NUM_RTX_CODE; i++)
      |                   ^~~~~~~~~~~~
gengenrtl.c:250:27: error: ‘defs’ undeclared (first use in this function)
  250 |       if (special_format (defs[i].format))
      |                           ^~~~
gengenrtl.c: In function ‘gencode’:
gengenrtl.c:258:6: error: unknown type name ‘FILE’
  258 |      FILE *f;
      |      ^~~~
gengenrtl.c:258:6: note: ‘FILE’ is defined in header ‘<stdio.h>’; did you forget to ‘#include <stdio.h>’?
gengenrtl.c:262:3: error: implicit declaration of function ‘fputs’ [-Werror=implicit-function-declaration]
  262 |   fputs ("#include \"config.h\"\n", f);
      |   ^~~~~
gengenrtl.c:262:3: note: include ‘<stdio.h>’ or provide a declaration of ‘fputs’
gengenrtl.c:273:14: error: ‘formats’ undeclared (first use in this function)
  273 |   for (fmt = formats; *fmt; ++fmt)
      |              ^~~~~~~
gengenrtl.c: In function ‘main’:
gengenrtl.c:300:3: error: unknown type name ‘FILE’
  300 |   FILE *f;
      |   ^~~~
gengenrtl.c:300:3: note: ‘FILE’ is defined in header ‘<stdio.h>’; did you forget to ‘#include <stdio.h>’?
gengenrtl.c:303:5: warning: incompatible implicit declaration of built-in function ‘exit’ [-Wbuiltin-declaration-mismatch]
  303 |     exit (1);
      |     ^~~~
gengenrtl.c:303:5: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
gengenrtl.c:307:7: error: implicit declaration of function ‘fopen’ [-Werror=implicit-function-declaration]
  307 |   f = fopen (argv[1], "w");
      |       ^~~~~
gengenrtl.c:307:7: note: ‘fopen’ is defined in header ‘<stdio.h>’; did you forget to ‘#include <stdio.h>’?
gengenrtl.c:307:5: warning: assignment to ‘int *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  307 |   f = fopen (argv[1], "w");
      |     ^
gengenrtl.c:310:7: error: implicit declaration of function ‘perror’ [-Werror=implicit-function-declaration]
  310 |       perror(argv[1]);
      |       ^~~~~~
gengenrtl.c:311:7: warning: incompatible implicit declaration of built-in function ‘exit’ [-Wbuiltin-declaration-mismatch]
  311 |       exit (1);
      |       ^~~~
gengenrtl.c:311:7: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
gengenrtl.c:315:3: error: implicit declaration of function ‘fclose’; did you mean ‘false’? [-Werror=implicit-function-declaration]
  315 |   fclose(f);
      |   ^~~~~~
      |   false
gengenrtl.c:317:5: warning: assignment to ‘int *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  317 |   f = fopen (argv[2], "w");
      |     ^
gengenrtl.c:321:7: warning: incompatible implicit declaration of built-in function ‘exit’ [-Wbuiltin-declaration-mismatch]
  321 |       exit (1);
      |       ^~~~
gengenrtl.c:321:7: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
gengenrtl.c:327:3: warning: incompatible implicit declaration of built-in function ‘exit’ [-Wbuiltin-declaration-mismatch]
  327 |   exit (0);
      |   ^~~~
gengenrtl.c:327:3: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
cc1: some warnings being treated as errors
make: *** [Makefile:122: gengenrtl.o] Error 1
make: Leaving directory '/home/f-00/agbcc/gcc'

gcc -MT toplev.o -MMD -MP -MF .d/toplev.Td -g -std=gnu11 -Werror-implicit-function-declaration -DOLD_COMPILER  -I. -I. -c toplev.c
toplev.c: In function ‘fatal_insn’:
toplev.c:1049:5: error: format not a string literal and no format arguments [-Werror=format-security]
 1049 |     error(message);
      |     ^~~~~
toplev.c: In function ‘v_message_with_decl’:
toplev.c:1235:26: warning: ‘%ld’ directive writing between 1 and 20 bytes into a region of size 5 [-Wformat-overflow=]
 1235 |         sprintf(fmt, "%%.%lds", width);
      |                          ^~~
toplev.c:1235:22: note: directive argument in the range [-9223372036854775808, 255]
 1235 |         sprintf(fmt, "%%.%lds", width);
      |                      ^~~~~~~~~
In file included from /nix/store/07kmxfmj8i8h76zzz9vw9zfvxsarqr5d-glibc-2.34-210-dev/include/stdio.h:888,
                 from thumb.h:1078,
                 from telf.h:25,
                 from config.h:12,
                 from toplev.c:26:
/nix/store/07kmxfmj8i8h76zzz9vw9zfvxsarqr5d-glibc-2.34-210-dev/include/bits/stdio2.h:38:10: note: ‘__builtin___sprintf_chk’ output between 5 and 24 bytes into a destination of size 7
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make: *** [Makefile:81: toplev.o] Error 1
make: Leaving directory '/home/tryzen/Code/agbcc/gcc'

gcc -MT toplev.o -MMD -MP -MF .d/toplev.Td -g -std=gnu11 -DOLD_COMPILER -I/usr/local/opt/qt/include -I. -I. -c toplev.c
toplev.c:1048:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
    error(message);
          ^~~~~~~
toplev.c:1048:11: note: treat the string as an argument to avoid this
    error(message);
          ^
          "%s", 
toplev.c:2382:13: error: implicit declaration of function 'unlink' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
            unlink(aux_info_file_name);
            ^
toplev.c:2390:13: error: implicit declaration of function 'unlink' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
            unlink(offset_info_file_name);
            ^
toplev.c:3486:14: warning: 'sizeof (indep_options)' will return the size of the pointer, not the array itself [-Wsizeof-pointer-div]
    for (k = NUM_ELEM(indep_options); k--; )
             ^~~~~~~~~~~~~~~~~~~~~~~
toplev.c:728:34: note: expanded from macro 'NUM_ELEM'
#define NUM_ELEM(a)  (sizeof (a) / sizeof ((a)[0]))
                      ~~~~~~~~~~ ^
toplev.c:3441:32: note: pointer 'indep_options' declared here
    lang_independent_options * indep_options;
                               ^
2 warnings and 2 errors generated.
make: *** [toplev.o] Error 1

clang: error: unknown argument: '-Map'