tools/winebuild/main.c

   1 /*
   2  * Main function
   3  *
   4  * Copyright 1993 Robert J. Amstadt
   5  * Copyright 1995 Martin von Loewis
   6  * Copyright 1995, 1996, 1997 Alexandre Julliard
   7  * Copyright 1997 Eric Youngdale
   8  * Copyright 1999 Ulrich Weigand
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <assert.h>
  29 #include <stdio.h>
  30 #include <signal.h>
  31 #include <errno.h>
  32 #include <string.h>
  33 #include <stdarg.h>
  34 #include <ctype.h>
  35 #ifdef HAVE_GETOPT_H
  36 # include <getopt.h>
  37 #endif
  38
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "build.h"
  42
  43 int UsePIC = 0;
  44 int nb_lib_paths = 0;
  45 int nb_errors = 0;
  46 int display_warnings = 0;
  47 int kill_at = 0;
  48 int verbose = 0;
  49 int save_temps = 0;
  50 int link_ext_symbols = 0;
  51 int force_pointer_size = 0;
  52
  53 #ifdef __i386__
  54 enum target_cpu target_cpu = CPU_x86;
  55 #elif defined(__x86_64__)
  56 enum target_cpu target_cpu = CPU_x86_64;
  57 #elif defined(__sparc__)
  58 enum target_cpu target_cpu = CPU_SPARC;
  59 #elif defined(__ALPHA__)
  60 enum target_cpu target_cpu = CPU_ALPHA;
  61 #elif defined(__powerpc__)
  62 enum target_cpu target_cpu = CPU_POWERPC;
  63 #else
  64 #error Unsupported CPU
  65 #endif
  66
  67 #ifdef __APPLE__
  68 enum target_platform target_platform = PLATFORM_APPLE;
  69 #elif defined(__sun)
  70 enum target_platform target_platform = PLATFORM_SOLARIS;
  71 #elif defined(_WINDOWS)
  72 enum target_platform target_platform = PLATFORM_WINDOWS;
  73 #else
  74 enum target_platform target_platform = PLATFORM_UNSPECIFIED;
  75 #endif
  76
  77 char *target_alias = NULL;
  78 char **lib_path = NULL;
  79
  80 char *input_file_name = NULL;
  81 char *spec_file_name = NULL;
  82 FILE *output_file = NULL;
  83 const char *output_file_name = NULL;
  84 static const char *output_file_source_name;
  85
  86 char *as_command = NULL;
  87 char *ld_command = NULL;
  88 char *nm_command = NULL;
  89
  90 static int nb_res_files;
  91 static char **res_files;
  92
  93 /* execution mode */
  94 enum exec_mode_values
  95 {
  96     MODE_NONE,
  97     MODE_DLL,
  98     MODE_EXE,
  99     MODE_DEF,
 100     MODE_RELAY16,
 101     MODE_RELAY32
 102 };
 103
 104 static enum exec_mode_values exec_mode = MODE_NONE;
 105
 106 static const struct
 107 {
 108     const char *name;
 109     enum target_platform platform;
 110 } platform_names[] =
 111 {
 112     { "macos",   PLATFORM_APPLE },
 113     { "darwin",  PLATFORM_APPLE },
 114     { "solaris", PLATFORM_SOLARIS },
 115     { "windows", PLATFORM_WINDOWS },
 116     { "winnt",   PLATFORM_WINDOWS }
 117 };
 118
 119 /* set the dll file name from the input file name */
 120 static void set_dll_file_name( const char *name, DLLSPEC *spec )
 121 {
 122     char *p;
 123
 124     if (spec->file_name) return;
 125
 126     if ((p = strrchr( name, '\\' ))) name = p + 1;
 127     if ((p = strrchr( name, '/' ))) name = p + 1;
 128     spec->file_name = xmalloc( strlen(name) + 5 );
 129     strcpy( spec->file_name, name );
 130     if ((p = strrchr( spec->file_name, '.' )))
 131     {
 132         if (!strcmp( p, ".spec" ) || !strcmp( p, ".def" )) *p = 0;
 133     }
 134 }
 135
 136 /* set the dll subsystem */
 137 static void set_subsystem( const char *subsystem, DLLSPEC *spec )
 138 {
 139     char *major, *minor, *str = xstrdup( subsystem );
 140
 141     if ((major = strchr( str, ':' ))) *major++ = 0;
 142     if (!strcmp( str, "native" )) spec->subsystem = IMAGE_SUBSYSTEM_NATIVE;
 143     else if (!strcmp( str, "windows" )) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
 144     else if (!strcmp( str, "console" )) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_CUI;
 145     else if (!strcmp( str, "win16" )) spec->type = SPEC_WIN16;
 146     else fatal_error( "Invalid subsystem name '%s'\n", subsystem );
 147     if (major)
 148     {
 149         if ((minor = strchr( major, '.' )))
 150         {
 151             *minor++ = 0;
 152             spec->subsystem_minor = atoi( minor );
 153         }
 154         spec->subsystem_major = atoi( major );
 155     }
 156     free( str );
 157 }
 158
 159 /* set the target CPU and platform */
 160 static void set_target( const char *target )
 161 {
 162     unsigned int i;
 163     char *p, *platform, *spec = xstrdup( target );
 164
 165     /* target specification is in the form CPU-MANUFACTURER-OS or CPU-MANUFACTURER-KERNEL-OS */
 166
 167     target_alias = xstrdup( target );
 168
 169     /* get the CPU part */
 170
 171     if (!(p = strchr( spec, '-' ))) fatal_error( "Invalid target specification '%s'\n", target );
 172     *p++ = 0;
 173     if ((target_cpu = get_cpu_from_name( spec )) == -1)
 174         fatal_error( "Unrecognized CPU '%s'\n", spec );
 175     platform = p;
 176     if ((p = strrchr( p, '-' ))) platform = p + 1;
 177
 178     /* get the OS part */
 179
 180     target_platform = PLATFORM_UNSPECIFIED;  /* default value */
 181     for (i = 0; i < sizeof(platform_names)/sizeof(platform_names[0]); i++)
 182     {
 183         if (!strncmp( platform_names[i].name, platform, strlen(platform_names[i].name) ))
 184         {
 185             target_platform = platform_names[i].platform;
 186             break;
 187         }
 188     }
 189
 190     free( spec );
 191 }
 192
 193 /* cleanup on program exit */
 194 static void cleanup(void)
 195 {
 196     if (output_file_name) unlink( output_file_name );
 197 }
 198
 199 /* clean things up when aborting on a signal */
 200 static void exit_on_signal( int sig )
 201 {
 202     exit(1);  /* this will call atexit functions */
 203 }
 204
 205 /*******************************************************************
 206  *         command-line option handling
 207  */
 208 static const char usage_str[] =
 209 "Usage: winebuild [OPTIONS] [FILES]\n\n"
 210 "Options:\n"
 211 "       --as-cmd=AS          Command to use for assembling (default: as)\n"
 212 "   -b, --target=TARGET      Specify target CPU and platform for cross-compiling\n"
 213 "   -d, --delay-lib=LIB      Import the specified library in delayed mode\n"
 214 "   -D SYM                   Ignored for C flags compatibility\n"
 215 "   -e, --entry=FUNC         Set the DLL entry point function (default: DllMain)\n"
 216 "   -E, --export=FILE        Export the symbols defined in the .spec or .def file\n"
 217 "       --external-symbols   Allow linking to external symbols\n"
 218 "   -f FLAGS                 Compiler flags (only -fPIC is supported)\n"
 219 "   -F, --filename=DLLFILE   Set the DLL filename (default: from input file name)\n"
 220 "   -h, --help               Display this help message\n"
 221 "   -H, --heap=SIZE          Set the heap size for a Win16 dll\n"
 222 "   -i, --ignore=SYM[,SYM]   Ignore specified symbols when resolving imports\n"
 223 "   -I DIR                   Ignored for C flags compatibility\n"
 224 "   -k, --kill-at            Kill stdcall decorations in generated .def files\n"
 225 "   -K, FLAGS                Compiler flags (only -KPIC is supported)\n"
 226 "       --ld-cmd=LD          Command to use for linking (default: ld)\n"
 227 "   -l, --library=LIB        Import the specified library\n"
 228 "   -L, --library-path=DIR   Look for imports libraries in DIR\n"
 229 "   -m32, -m64               Force building 32-bit resp. 64-bit code\n"
 230 "   -M, --main-module=MODULE Set the name of the main module for a Win16 dll\n"
 231 "       --nm-cmd=NM          Command to use to get undefined symbols (default: nm)\n"
 232 "       --nxcompat=y|n       Set the NX compatibility flag (default: yes)\n"
 233 "   -N, --dll-name=DLLNAME   Set the DLL name (default: from input file name)\n"
 234 "   -o, --output=NAME        Set the output file name (default: stdout)\n"
 235 "   -r, --res=RSRC.RES       Load resources from RSRC.RES\n"
 236 "       --save-temps         Do not delete the generated intermediate files\n"
 237 "       --subsystem=SUBSYS   Set the subsystem (one of native, windows, console)\n"
 238 "   -u, --undefined=SYMBOL   Add an undefined reference to SYMBOL when linking\n"
 239 "   -v, --verbose            Display the programs invoked\n"
 240 "       --version            Print the version and exit\n"
 241 "   -w, --warnings           Turn on warnings\n"
 242 "\nMode options:\n"
 243 "       --dll                Build a .c file from a .spec or .def file\n"
 244 "       --def                Build a .def file from a .spec file\n"
 245 "       --exe                Build a .c file for an executable\n"
 246 "       --relay16            Build the 16-bit relay assembly routines\n"
 247 "       --relay32            Build the 32-bit relay assembly routines\n\n"
 248 "The mode options are mutually exclusive; you must specify one and only one.\n\n";
 249
 250 enum long_options_values
 251 {
 252     LONG_OPT_DLL = 1,
 253     LONG_OPT_DEF,
 254     LONG_OPT_EXE,
 255     LONG_OPT_ASCMD,
 256     LONG_OPT_EXTERNAL_SYMS,
 257     LONG_OPT_LDCMD,
 258     LONG_OPT_NMCMD,
 259     LONG_OPT_NXCOMPAT,
 260     LONG_OPT_RELAY16,
 261     LONG_OPT_RELAY32,
 262     LONG_OPT_SAVE_TEMPS,
 263     LONG_OPT_SUBSYSTEM,
 264     LONG_OPT_VERSION
 265 };
 266
 267 static const char short_options[] = "C:D:E:F:H:I:K:L:M:N:b:d:e:f:hi:kl:m:o:r:u:vw";
 268
 269 static const struct option long_options[] =
 270 {
 271     { "dll",           0, 0, LONG_OPT_DLL },
 272     { "def",           0, 0, LONG_OPT_DEF },
 273     { "exe",           0, 0, LONG_OPT_EXE },
 274     { "as-cmd",        1, 0, LONG_OPT_ASCMD },
 275     { "external-symbols", 0, 0, LONG_OPT_EXTERNAL_SYMS },
 276     { "ld-cmd",        1, 0, LONG_OPT_LDCMD },
 277     { "nm-cmd",        1, 0, LONG_OPT_NMCMD },
 278     { "nxcompat",      1, 0, LONG_OPT_NXCOMPAT },
 279     { "relay16",       0, 0, LONG_OPT_RELAY16 },
 280     { "relay32",       0, 0, LONG_OPT_RELAY32 },
 281     { "save-temps",    0, 0, LONG_OPT_SAVE_TEMPS },
 282     { "subsystem",     1, 0, LONG_OPT_SUBSYSTEM },
 283     { "version",       0, 0, LONG_OPT_VERSION },
 284     /* aliases for short options */
 285     { "target",        1, 0, 'b' },
 286     { "delay-lib",     1, 0, 'd' },
 287     { "export",        1, 0, 'E' },
 288     { "entry",         1, 0, 'e' },
 289     { "filename",      1, 0, 'F' },
 290     { "help",          0, 0, 'h' },
 291     { "heap",          1, 0, 'H' },
 292     { "ignore",        1, 0, 'i' },
 293     { "kill-at",       0, 0, 'k' },
 294     { "library",       1, 0, 'l' },
 295     { "library-path",  1, 0, 'L' },
 296     { "main-module",   1, 0, 'M' },
 297     { "dll-name",      1, 0, 'N' },
 298     { "output",        1, 0, 'o' },
 299     { "res",           1, 0, 'r' },
 300     { "undefined",     1, 0, 'u' },
 301     { "verbose",       0, 0, 'v' },
 302     { "warnings",      0, 0, 'w' },
 303     { NULL,            0, 0, 0 }
 304 };
 305
 306 static void usage( int exit_code )
 307 {
 308     fprintf( stderr, "%s", usage_str );
 309     exit( exit_code );
 310 }
 311
 312 static void set_exec_mode( enum exec_mode_values mode )
 313 {
 314     if (exec_mode != MODE_NONE) usage(1);
 315     exec_mode = mode;
 316 }
 317
 318 /* parse options from the argv array and remove all the recognized ones */
 319 static char **parse_options( int argc, char **argv, DLLSPEC *spec )
 320 {
 321     char *p;
 322     int optc;
 323
 324     while ((optc = getopt_long( argc, argv, short_options, long_options, NULL )) != -1)
 325     {
 326         switch(optc)
 327         {
 328         case 'D':
 329             /* ignored */
 330             break;
 331         case 'E':
 332             spec_file_name = xstrdup( optarg );
 333             set_dll_file_name( optarg, spec );
 334             break;
 335         case 'F':
 336             spec->file_name = xstrdup( optarg );
 337             break;
 338         case 'H':
 339             if (!isdigit(optarg[0]))
 340                 fatal_error( "Expected number argument with -H option instead of '%s'\n", optarg );
 341             spec->heap_size = atoi(optarg);
 342             if (spec->heap_size > 65535)
 343                 fatal_error( "Invalid heap size %d, maximum is 65535\n", spec->heap_size );
 344             break;
 345         case 'I':
 346             /* ignored */
 347             break;
 348         case 'K':
 349             /* ignored, because cc generates correct code. */
 350             break;
 351         case 'L':
 352             lib_path = xrealloc( lib_path, (nb_lib_paths+1) * sizeof(*lib_path) );
 353             lib_path[nb_lib_paths++] = xstrdup( optarg );
 354             break;
 355         case 'm':
 356             if (strcmp( optarg, "32" ) && strcmp( optarg, "64" ))
 357                 fatal_error( "Invalid -m option '%s', expected -m32 or -m64\n", optarg );
 358             if (!strcmp( optarg, "32" )) force_pointer_size = 4;
 359             else force_pointer_size = 8;
 360             break;
 361         case 'M':
 362             spec->main_module = xstrdup( optarg );
 363             break;
 364         case 'N':
 365             spec->dll_name = xstrdup( optarg );
 366             break;
 367         case 'b':
 368             set_target( optarg );
 369             break;
 370         case 'd':
 371             add_delayed_import( optarg );
 372             break;
 373         case 'e':
 374             spec->init_func = xstrdup( optarg );
 375             if ((p = strchr( spec->init_func, '@' ))) *p = 0;  /* kill stdcall decoration */
 376             break;
 377         case 'f':
 378             if (!strcmp( optarg, "PIC") || !strcmp( optarg, "pic")) UsePIC = 1;
 379             /* ignore all other flags */
 380             break;
 381         case 'h':
 382             usage(0);
 383             break;
 384         case 'i':
 385             {
 386                 char *str = xstrdup( optarg );
 387                 char *token = strtok( str, "," );
 388                 while (token)
 389                 {
 390                     add_ignore_symbol( token );
 391                     token = strtok( NULL, "," );
 392                 }
 393                 free( str );
 394             }
 395             break;
 396         case 'k':
 397             kill_at = 1;
 398             break;
 399         case 'l':
 400             add_import_dll( optarg, NULL );
 401             break;
 402         case 'o':
 403             {
 404                 char *ext = strrchr( optarg, '.' );
 405
 406                 if (unlink( optarg ) == -1 && errno != ENOENT)
 407                     fatal_error( "Unable to create output file '%s'\n", optarg );
 408                 if (ext && !strcmp( ext, ".o" ))
 409                 {
 410                     output_file_source_name = get_temp_file_name( optarg, ".s" );
 411                     if (!(output_file = fopen( output_file_source_name, "w" )))
 412                         fatal_error( "Unable to create output file '%s'\n", optarg );
 413                 }
 414                 else
 415                 {
 416                     if (!(output_file = fopen( optarg, "w" )))
 417                         fatal_error( "Unable to create output file '%s'\n", optarg );
 418                 }
 419                 output_file_name = xstrdup(optarg);
 420                 atexit( cleanup );  /* make sure we remove the output file on exit */
 421             }
 422             break;
 423         case 'r':
 424             res_files = xrealloc( res_files, (nb_res_files+1) * sizeof(*res_files) );
 425             res_files[nb_res_files++] = xstrdup( optarg );
 426             break;
 427         case 'u':
 428             add_extra_ld_symbol( optarg );
 429             break;
 430         case 'v':
 431             verbose++;
 432             break;
 433         case 'w':
 434             display_warnings = 1;
 435             break;
 436         case LONG_OPT_DLL:
 437             set_exec_mode( MODE_DLL );
 438             break;
 439         case LONG_OPT_DEF:
 440             set_exec_mode( MODE_DEF );
 441             break;
 442         case LONG_OPT_EXE:
 443             set_exec_mode( MODE_EXE );
 444             if (!spec->subsystem) spec->subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
 445             break;
 446         case LONG_OPT_ASCMD:
 447             as_command = xstrdup( optarg );
 448             break;
 449         case LONG_OPT_EXTERNAL_SYMS:
 450             link_ext_symbols = 1;
 451             break;
 452         case LONG_OPT_LDCMD:
 453             ld_command = xstrdup( optarg );
 454             break;
 455         case LONG_OPT_NMCMD:
 456             nm_command = xstrdup( optarg );
 457             break;
 458         case LONG_OPT_NXCOMPAT:
 459             if (optarg[0] == 'n' || optarg[0] == 'N')
 460                 spec->dll_characteristics &= ~IMAGE_DLLCHARACTERISTICS_NX_COMPAT;
 461             break;
 462         case LONG_OPT_RELAY16:
 463             set_exec_mode( MODE_RELAY16 );
 464             break;
 465         case LONG_OPT_RELAY32:
 466             set_exec_mode( MODE_RELAY32 );
 467             break;
 468         case LONG_OPT_SAVE_TEMPS:
 469             save_temps = 1;
 470             break;
 471         case LONG_OPT_SUBSYSTEM:
 472             set_subsystem( optarg, spec );
 473             break;
 474         case LONG_OPT_VERSION:
 475             printf( "winebuild version " PACKAGE_VERSION "\n" );
 476             exit(0);
 477         case '?':
 478             usage(1);
 479             break;
 480         }
 481     }
 482
 483     if (spec->file_name && !strchr( spec->file_name, '.' ))
 484         strcat( spec->file_name, exec_mode == MODE_EXE ? ".exe" : ".dll" );
 485
 486     switch (target_cpu)
 487     {
 488     case CPU_x86:
 489         if (force_pointer_size == 8) target_cpu = CPU_x86_64;
 490         break;
 491     case CPU_x86_64:
 492         if (force_pointer_size == 4) target_cpu = CPU_x86;
 493         break;
 494     default:
 495         if (force_pointer_size == 8)
 496             fatal_error( "Cannot build 64-bit code for this CPU\n" );
 497         break;
 498     }
 499
 500     return &argv[optind];
 501 }
 502
 503
 504 /* load all specified resource files */
 505 static void load_resources( char *argv[], DLLSPEC *spec )
 506 {
 507     int i;
 508     char **ptr, **last;
 509
 510     switch (spec->type)
 511     {
 512     case SPEC_WIN16:
 513         for (i = 0; i < nb_res_files; i++) load_res16_file( res_files[i], spec );
 514         break;
 515
 516     case SPEC_WIN32:
 517         for (i = 0; i < nb_res_files; i++)
 518         {
 519             if (!load_res32_file( res_files[i], spec ))
 520                 fatal_error( "%s is not a valid Win32 resource file\n", res_files[i] );
 521         }
 522
 523         /* load any resource file found in the remaining arguments */
 524         for (ptr = last = argv; *ptr; ptr++)
 525         {
 526             if (!load_res32_file( *ptr, spec ))
 527                 *last++ = *ptr; /* not a resource file, keep it in the list */
 528         }
 529         *last = NULL;
 530         break;
 531     }
 532 }
 533
 534 /* add input files that look like import libs to the import list */
 535 static void load_import_libs( char *argv[] )
 536 {
 537     char **ptr, **last;
 538
 539     for (ptr = last = argv; *ptr; ptr++)
 540     {
 541         if (strendswith( *ptr, ".def" ))
 542             add_import_dll( NULL, *ptr );
 543         else
 544             *last++ = *ptr; /* not an import dll, keep it in the list */
 545     }
 546     *last = NULL;
 547 }
 548
 549 static int parse_input_file( DLLSPEC *spec )
 550 {
 551     FILE *input_file = open_input_file( NULL, spec_file_name );
 552     char *extension = strrchr( spec_file_name, '.' );
 553     int result;
 554
 555     spec->src_name = xstrdup( input_file_name );
 556     if (extension && !strcmp( extension, ".def" ))
 557         result = parse_def_file( input_file, spec );
 558     else
 559         result = parse_spec_file( input_file, spec );
 560     close_input_file( input_file );
 561     return result;
 562 }
 563
 564
 565 /*******************************************************************
 566  *         main
 567  */
 568 int main(int argc, char **argv)
 569 {
 570     DLLSPEC *spec = alloc_dll_spec();
 571
 572 #ifdef SIGHUP
 573     signal( SIGHUP, exit_on_signal );
 574 #endif
 575     signal( SIGTERM, exit_on_signal );
 576     signal( SIGINT, exit_on_signal );
 577
 578     output_file = stdout;
 579     argv = parse_options( argc, argv, spec );
 580
 581     switch(exec_mode)
 582     {
 583     case MODE_DLL:
 584         if (spec->subsystem != IMAGE_SUBSYSTEM_NATIVE)
 585             spec->characteristics |= IMAGE_FILE_DLL;
 586         if (!spec_file_name) fatal_error( "missing .spec file\n" );
 587         if (spec->type == SPEC_WIN32 && spec->main_module)  /* embedded 16-bit module */
 588         {
 589             spec->type = SPEC_WIN16;
 590             load_resources( argv, spec );
 591             if (parse_input_file( spec )) BuildSpec16File( spec );
 592             break;
 593         }
 594         /* fall through */
 595     case MODE_EXE:
 596         load_resources( argv, spec );
 597         load_import_libs( argv );
 598         if (spec_file_name && !parse_input_file( spec )) break;
 599         read_undef_symbols( spec, argv );
 600         switch (spec->type)
 601         {
 602             case SPEC_WIN16:
 603                 output_spec16_file( spec );
 604                 break;
 605             case SPEC_WIN32:
 606                 BuildSpec32File( spec );
 607                 break;
 608             default: assert(0);
 609         }
 610         break;
 611     case MODE_DEF:
 612         if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
 613         if (spec->type == SPEC_WIN16) fatal_error( "Cannot yet build .def file for 16-bit dlls\n" );
 614         if (!spec_file_name) fatal_error( "missing .spec file\n" );
 615         if (!parse_input_file( spec )) break;
 616         BuildDef32File( spec );
 617         break;
 618     case MODE_RELAY16:
 619         if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
 620         BuildRelays16();
 621         break;
 622     case MODE_RELAY32:
 623         if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
 624         BuildRelays32();
 625         break;
 626     default:
 627         usage(1);
 628         break;
 629     }
 630     if (nb_errors) exit(1);
 631     if (output_file_name)
 632     {
 633         if (fclose( output_file ) < 0) fatal_perror( "fclose" );
 634         if (output_file_source_name) assemble_file( output_file_source_name, output_file_name );
 635         output_file_name = NULL;
 636     }
 637     return 0;
 638 }