tools/winewrap.c

   1 /*
   2  * Wine wrapper: takes care of internal details for linking.
   3  *
   4  * Copyright 2000 Francois Gouget
   5  * Copyright 2002 Dimitrie O. Paun
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28 #include <stdlib.h>
  29 #include <errno.h>
  30 #include <sys/stat.h>
  31
  32 #ifndef WINEDLLS
  33 #define WINEDLLS "/usr/local/lib/wine"
  34 #endif
  35
  36 static const char *app_loader_script =
  37     "#!/bin/sh\n"
  38     "\n"
  39     "appname=\"%s\"\n"
  40     "# determine the application directory\n"
  41     "appdir=''\n"
  42     "case \"$0\" in\n"
  43     "  */*)\n"
  44     "    # $0 contains a path, use it\n"
  45     "    appdir=`dirname \"$0\"`\n"
  46     "    ;;\n"
  47     "  *)\n"
  48     "    # no directory in $0, search in PATH\n"
  49     "    saved_ifs=$IFS\n"
  50     "    IFS=:\n"
  51     "    for d in $PATH\n"
  52     "    do\n"
  53     "      IFS=$saved_ifs\n"
  54     "      if [ -x \"$d/$appname\" ]; then appdir=\"$d\"; break; fi\n"
  55     "    done\n"
  56     "    ;;\n"
  57     "esac\n"
  58     "\n"
  59     "while true; do\n"
  60     "  case \"$1\" in\n"
  61     "    --debugmsg)\n"
  62     "      debugmsg=\"$1 $2\"\n"
  63     "      shift; shift;\n"
  64     "      ;;\n"
  65     "    --dll)\n"
  66     "      dll=\"$1 $2\"\n"
  67     "      shift; shift;\n"
  68     "      ;;\n"
  69     "    *)\n"
  70     "      break\n"
  71     "      ;;\n"
  72     "  esac\n"
  73     "done\n"
  74     "\n"
  75     "# figure out the full app path\n"
  76     "if [ -n \"$appdir\" ]; then\n"
  77     "    apppath=\"$appdir/$appname.exe.so\"\n"
  78     "else\n"
  79     "    apppath=\"$appname.exe.so\"\n"
  80     "fi\n"
  81     "\n"
  82     "# determine the WINELOADER\n"
  83     "if [ ! -x \"$WINELOADER\" ]; then WINELOADER=\"wine\"; fi\n"
  84     "\n"
  85     "# and try to start the app\n"
  86     "exec \"$WINELOADER\" $debugmsg $dll -- \"$apppath\" \"$@\"\n"
  87 ;
  88
  89 static const char *app_gui_spec =
  90     "@ stdcall WinMain(ptr long ptr long) WinMain\n"
  91 ;
  92
  93 static const char *app_cui_spec =
  94     "@ stdcall main(long ptr ptr) main\n"
  95 ;
  96
  97 static const char *wrapper_code =
  98     "/*\n"
  99     " * Copyright 2000 Francois Gouget <fgouget@codeweavers.com> for CodeWeavers\n"
 100     " * Copyright 2002 Dimitrie O. Paun <dpaun@rogers.com>\n"
 101     " */\n"
 102     "\n"
 103     "#include <dlfcn.h>\n"
 104     "#include <windows.h>\n"
 105     "\n"
 106     "\n"
 107     "/*\n"
 108     " * Describe the wrapped application\n"
 109     " */\n"
 110     "\n"
 111     "/* The app name */\n"
 112     "#define APPNAME \"%s\"\n"
 113     "/**\n"
 114     " * This is either 0 for a console based application or\n"
 115     " * 1 for a regular windows application.\n"
 116     " */\n"
 117     "#define GUIEXE %d\n"
 118     "\n"
 119     "/**\n"
 120     " * This is the name of the library containing the application,\n"
 121     " * e.g. 'hello.dll' if the application is called 'hello.exe'.\n"
 122     " */\n"
 123     "static char* appName     = APPNAME \".dll\";\n"
 124     "\n"
 125     "/**\n"
 126     " * This is the name of the application's Windows module. If left NULL\n"
 127     " * then appName is used.\n"
 128     " */\n"
 129     "static char* appModule   = NULL;\n"
 130     "\n"
 131     "/**\n"
 132     " * This is the application's entry point. This is usually 'WinMain' for a\n"
 133     " * gui app and 'main' for a console application.\n"
 134     " */\n"
 135     "#if GUIEXE\n"
 136     "static char* appInit     = \"WinMain\";\n"
 137     "#else\n"
 138     "static char* appInit     = \"main\";\n"
 139     "#endif\n"
 140     "\n"
 141     "/**\n"
 142     " * This is either non-NULL for MFC-based applications and is the name of the\n"
 143     " * MFC's module. This is the module in which we will take the 'WinMain'\n"
 144     " * function.\n"
 145     " */\n"
 146     "static char* mfcModule   = NULL;\n"
 147     "\n"
 148     "\n"
 149     "void error(const char *format, ...)\n"
 150     "{\n"
 151     "    va_list ap;\n"
 152     "    char msg[4096];\n"
 153     "\n"
 154     "    va_start(ap, format);\n"
 155     "    vsnprintf(msg, sizeof(msg), format, ap);\n"
 156     "    MessageBox(NULL, msg, \"Error\", MB_OK);\n"
 157     "    va_end(ap);\n"
 158     "    exit(1);\n"
 159     "}\n"
 160     "\n"
 161     "\n"
 162     "#if GUIEXE\n"
 163     "typedef int WINAPI (*WinMainFunc)(HINSTANCE hInstance, HINSTANCE hPrevInstance,\n"
 164     "                             PSTR szCmdLine, int iCmdShow);\n"
 165     "#else\n"
 166     "typedef int WINAPI (*MainFunc)(int argc, char** argv, char** envp);\n"
 167     "#endif\n"
 168     "\n"
 169     "#if GUIEXE\n"
 170     "int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,\n"
 171     "                   PSTR szCmdLine, int iCmdShow)\n"
 172     "#else\n"
 173     "int WINAPI main(int argc, char** argv, char** envp)\n"
 174     "#endif\n"
 175     "{\n"
 176     "    HINSTANCE hApp = 0, hMFC = 0, hMain = 0;\n"
 177     "    void* appMain;\n"
 178     "    int retcode;\n"
 179     "\n"
 180     "    /* Then if this application is MFC based, load the MFC module */\n"
 181     "    if (mfcModule) {\n"
 182     "        hMFC = LoadLibrary(mfcModule);\n"
 183     "        if (!hMFC) error(\"Could not load the MFC module %%s (%%d)\", mfcModule, GetLastError());\n"
 184     "        /* For MFC apps, WinMain is in the MFC library */\n"
 185     "        hMain = hMFC;\n"
 186     "    }\n"
 187     "\n"
 188     "    /* Load the application's module */\n"
 189     "    if (!appModule) appModule = appName;\n"
 190     "    hApp = LoadLibrary(appModule);\n"
 191     "    if (!hApp) error(\"Could not load the application's module %%s (%%d)\", appModule, GetLastError());\n"
 192     "    if (!hMain) hMain = hApp;\n"
 193     "\n"
 194     "    /* Get the address of the application's entry point */\n"
 195     "    appMain = GetProcAddress(hMain, appInit);\n"
 196     "    if (!appMain) error(\"Could not get the address of %%s (%%d)\", appInit, GetLastError());\n"
 197     "\n"
 198     "    /* And finally invoke the application's entry point */\n"
 199     "#if GUIEXE\n"
 200     "    retcode = (*((WinMainFunc)appMain))(hApp, hPrevInstance, szCmdLine, iCmdShow);\n"
 201     "#else\n"
 202     "    retcode = (*((MainFunc)appMain))(argc, argv, envp);\n"
 203     "#endif\n"
 204     "\n"
 205     "    /* Cleanup and done */\n"
 206     "    FreeLibrary(hApp);\n"
 207     "    FreeLibrary(hMFC);\n"
 208     "\n"
 209     "    return retcode;\n"
 210     "}\n"
 211 ;
 212
 213 static char *output_name;
 214 static char **arh_files,  **dll_files,  **lib_files,  **lib_paths,  **obj_files;
 215 static int nb_arh_files, nb_dll_files, nb_lib_files, nb_lib_paths, nb_obj_files;
 216 static int verbose = 0;
 217 static int keep_generated = 0;
 218
 219 void error(const char *s, ...)
 220 {
 221     va_list ap;
 222
 223     va_start(ap, s);
 224     fprintf(stderr, "Error: ");
 225     vfprintf(stderr, s, ap);
 226     fprintf(stderr, "\n");
 227     va_end(ap);
 228     exit(2);
 229 }
 230
 231 char *strmake(const char *fmt, ...)
 232 {
 233     int n, size = 100;
 234     char *p;
 235     va_list ap;
 236
 237     if ((p = malloc (size)) == NULL)
 238         error("Can not malloc %d bytes.", size);
 239
 240     while (1)
 241     {
 242         va_start(ap, fmt);
 243         n = vsnprintf (p, size, fmt, ap);
 244         va_end(ap);
 245         if (n > -1 && n < size) return p;
 246         size *= 2;
 247         if ((p = realloc (p, size)) == NULL)
 248             error("Can not realloc %d bytes.", size);
 249     }
 250 }
 251
 252 void rm_temp_file(const char *file)
 253 {
 254     if (!keep_generated) unlink(file);
 255 }
 256
 257 void create_file(const char *name, const char *fmt, ...)
 258 {
 259     va_list ap;
 260     FILE *file;
 261
 262     if (verbose) printf("Creating file %s\n", name);
 263     va_start(ap, fmt);
 264     if ( !(file = fopen(name, "w")) )
 265         error ("Can not create %s.", name);
 266     vfprintf(file, fmt, ap);
 267     va_end(ap);
 268     fclose(file);
 269 }
 270
 271 void spawn(char *const argv[])
 272 {
 273     int i, status;
 274
 275     if (verbose)
 276     {
 277         for(i = 0; argv[i]; i++) printf("%s ", argv[i]);
 278         printf("\n");
 279     }
 280     if (!(status = spawnvp( _P_WAIT, argv[0], argv))) return;
 281
 282     if (status > 0) error("%s failed.", argv[0]);
 283     else perror("Error:");
 284     exit(3);
 285 }
 286
 287 int is_resource(const char* file)
 288 {
 289     /* see tools/winebuild/res32.c: check_header for details */
 290     static const char res_sig[] = { 0,0,0,0, 32,0,0,0, 0xff,0xff, 0,0, 0xff,0xff, 0,0, 0,0,0,0, 0,0, 0,0, 0,0,0,0, 0,0,0,0 };
 291     char buf[sizeof(res_sig)];
 292     FILE *fin;
 293
 294     if (!(fin = fopen(file, "r"))) error("Can not open %s", file);
 295     if (fread(buf, sizeof(buf), 1, fin) != 1) error("Truncated file %s", file);
 296     fclose(fin);
 297
 298     return !memcmp(buf, res_sig, sizeof(buf));
 299 }
 300
 301 /* open the file for a given name, in a specified path, with the given extension */
 302 static char *try_path( const char *path, const char *name, const char *ext )
 303 {
 304     char *fullname;
 305     int fd;
 306
 307     fullname = strmake("%s/lib%s.%s", path, name, ext);
 308     if (verbose > 1) fprintf(stderr, "Try %s...", fullname);
 309
 310     /* check if the file exists */
 311     if ((fd = open( fullname, O_RDONLY )) != -1)
 312     {
 313         close( fd );
 314         if (verbose > 1) fprintf(stderr, "FOUND!\n");
 315         return fullname;
 316     }
 317     free( fullname );
 318     if (verbose > 1) fprintf(stderr, "\n");
 319     return NULL;
 320 }
 321
 322 /* open the .def library for a given dll in a specified path */
 323 static char *try_dll_path( const char *path, const char *name )
 324 {
 325     return try_path(path, name, "def");
 326 }
 327
 328 /* open the .a library for a given lib in a specified path */
 329 static char *try_lib_path( const char *path, const char *name )
 330 {
 331     return try_path(path, name, "a");
 332 }
 333
 334 /* open the .def library for a given dll */
 335 static char *open_dll(const char *name)
 336 {
 337     char *fullname;
 338     int i;
 339
 340     for (i = 0; i < nb_lib_paths; i++)
 341     {
 342         if ((fullname = try_dll_path( lib_paths[i], name ))) return fullname;
 343     }
 344     return try_dll_path( ".", name );
 345 }
 346
 347 /* find a static library */
 348 static char *find_lib(const char *name)
 349 {
 350     static const char* std_paths[] = { ".", "/usr/lib", "/usr/local/lib" };
 351     char *fullname;
 352     int i;
 353
 354     for (i = 0; i < nb_lib_paths; i++)
 355     {
 356         if ((fullname = try_lib_path( lib_paths[i], name ))) return fullname;
 357     }
 358
 359     for (i = 0; i < sizeof(std_paths)/sizeof(std_paths[0]); i++)
 360     {
 361         if ((fullname = try_lib_path( std_paths[i], name ))) return fullname;
 362     }
 363
 364     return 0;
 365 }
 366
 367 void add_lib_path(const char* path)
 368 {
 369     lib_paths = realloc( lib_paths, (nb_lib_paths+1) * sizeof(*lib_paths) );
 370     lib_paths[nb_lib_paths++] = strdup(path);
 371     dll_files = realloc( dll_files, (nb_dll_files+1) * sizeof(*dll_files) );
 372     dll_files[nb_dll_files++] = strmake("-L%s", path);
 373     lib_files = realloc( lib_files, (nb_lib_files+1) * sizeof(*lib_files) );
 374     lib_files[nb_lib_files++] = strmake("-L%s", path);
 375 }
 376
 377 void add_lib_file(const char* library)
 378 {
 379     char *lib;
 380
 381     if (open_dll(library))
 382     {
 383         dll_files = realloc( dll_files, (nb_dll_files+1) * sizeof(*dll_files) );
 384         dll_files[nb_dll_files++] = strmake("-l%s", library);
 385     }
 386     else if ((lib = find_lib(library)))
 387     {
 388         arh_files = realloc( arh_files, (nb_arh_files+1) * sizeof(*arh_files) );
 389         arh_files[nb_arh_files++] = lib;
 390     }
 391     else
 392     {
 393         lib_files = realloc( lib_files, (nb_lib_files+1) * sizeof(*lib_files) );
 394         lib_files[nb_lib_files++] = strmake("-l%s", library);
 395     }
 396 }
 397
 398 int main(int argc, char **argv)
 399 {
 400     char *library = 0, *path = 0;
 401     int i, j, len, cpp = 0, no_opt = 0, gui_mode = 0, create_wrapper = -1;
 402     char *base_name, *base_file, *app_temp_name, *wrp_temp_name;
 403     char *spec_name, *spec_c_name, *spec_o_name;
 404     char *wspec_name, *wspec_c_name, *wspec_o_name;
 405     char *wrap_c_name, *wrap_o_name;
 406     char **spec_args, **comp_args, **link_args;
 407     char **wwrap_args, **wspec_args, **wcomp_args, **wlink_args;
 408
 409     /* include the standard DLL path first */
 410     add_lib_path(WINEDLLS);
 411
 412     for (i = 1; i < argc; i++)
 413     {
 414         if (!no_opt && argv[i][0] == '-')
 415         {
 416             switch (argv[i][1])
 417             {
 418             case 'k':
 419                 keep_generated = 1;
 420                 break;
 421             case 'o':
 422                 if (argv[i][2]) output_name = strdup(argv[i]+ 2);
 423                 else if (i + 1 < argc) output_name = strdup(argv[++i]);
 424                 else error("The -o switch takes an argument.");
 425                 break;
 426             case 'L':
 427                 if (argv[i][2]) path = argv[i] + 2;
 428                 else if (i + 1 < argc) path = argv[++i];
 429                 else error("The -L switch takes an argument\n.");
 430                 add_lib_path(path);
 431                 break;
 432             case 'l':
 433                 if (argv[i][2]) library = argv[i] + 2;
 434                 else if (i + 1 < argc) library = argv[++i];
 435                 else error("The -l switch takes an argument\n.");
 436                 add_lib_file(library);
 437                 break;
 438             case 'm':
 439                 if (strcmp("-mgui", argv[i]) == 0) gui_mode = 1;
 440                 else error("Unknown option %s\n", argv[i]);
 441                 break;
 442             case 'v':        /* verbose */
 443                 if (argv[i][2] == 0) verbose++;
 444                 break;
 445             case 'V':
 446                 printf("winewrap v0.40\n");
 447                 exit(0);
 448                 break;
 449             case 'C':
 450                 cpp = 1;
 451                 break;
 452             case 'w':
 453                 create_wrapper = 1;
 454                 break;
 455             case 'W':
 456                 create_wrapper = 0;
 457                 break;
 458             case '-':
 459                 if (argv[i][2]) error("No long option supported.");
 460                 no_opt = 1;
 461                 break;
 462             default:
 463                 error("Unknown option -%c", argv[i][1]);
 464             }
 465             continue;
 466         }
 467
 468         /* it's a filename, add it to its list */
 469         obj_files = realloc( obj_files, (nb_obj_files+1) * sizeof(*obj_files) );
 470         obj_files[nb_obj_files++] = strdup(argv[i]);
 471     }
 472
 473     /* create wrapper only in C++ by default */
 474     if (create_wrapper == -1) create_wrapper = cpp;
 475
 476     /* link in by default the big three */
 477     if (gui_mode) add_lib_file("gdi32");
 478     add_lib_file("user32");
 479     add_lib_file("kernel32");
 480
 481     app_temp_name = tempnam(0, "wapp");
 482     wrp_temp_name = tempnam(0, "wwrp");
 483
 484     /* get base filename by removing the .exe extension, if present */
 485     base_file = strdup(output_name);
 486     len = strlen(base_file);
 487     if (len > 4 && strcmp(base_file + len - 4, ".exe") == 0)
 488         base_file[len - 4 ] = 0; /* remove the .exe extension */
 489
 490     /* we need to get rid of the directory part to get the base name */
 491     if ( (base_name = strrchr(base_file, '/')) ) base_name++;
 492     else base_name = base_file;
 493
 494     spec_name = strmake("%s.spec", app_temp_name);
 495     spec_c_name = strmake("%s.c", spec_name);
 496     spec_o_name = strmake("%s.o", spec_name);
 497
 498     wspec_name = strmake("%s.spec", wrp_temp_name);
 499     wspec_c_name = strmake("%s.c", wspec_name);
 500     wspec_o_name = strmake("%s.o", wspec_name);
 501
 502     wrap_c_name = strmake("%s.c", wrp_temp_name);
 503     wrap_o_name = strmake("%s.o", wrp_temp_name);
 504
 505     /* build winebuild's argument list */
 506     spec_args = malloc( (nb_arh_files + nb_dll_files + nb_obj_files + 20) * sizeof (char *) );
 507     j = 0;
 508     spec_args[j++] = BINDIR "/winebuild";
 509     spec_args[j++] = "-o";
 510     spec_args[j++] = spec_c_name;
 511     if (create_wrapper)
 512     {
 513         spec_args[j++] = "-F";
 514         spec_args[j++] = strmake("%s.dll", base_name);
 515         spec_args[j++] = "--spec";
 516         spec_args[j++] = spec_name;
 517     }
 518     else
 519     {
 520         spec_args[j++] = "--exe";
 521         spec_args[j++] = strmake("%s.exe", base_name);
 522         spec_args[j++] = gui_mode ? "-mgui" : "-mcui";
 523     }
 524     for (i = 0; i < nb_dll_files; i++)
 525         spec_args[j++] = dll_files[i];
 526     for (i = 0; i < nb_obj_files; i++)
 527         spec_args[j++] = obj_files[i];
 528     for (i = 0; i < nb_arh_files; i++)
 529         spec_args[j++] = arh_files[i];
 530     spec_args[j] = 0;
 531
 532     /* build gcc's argument list */
 533     comp_args = malloc ( 20 * sizeof (char *) );
 534     j = 0;
 535     comp_args[j++] = "gcc";
 536     comp_args[j++] = "-fPIC";
 537     comp_args[j++] = "-o";
 538     comp_args[j++] = spec_o_name;
 539     comp_args[j++] = "-c";
 540     comp_args[j++] = spec_c_name;
 541     comp_args[j] = 0;
 542
 543     /* build ld's argument list */
 544     link_args = malloc( (nb_arh_files + nb_obj_files + nb_lib_files + 20) * sizeof (char *) );
 545     j = 0;
 546     link_args[j++] = cpp ? "g++" : "gcc";
 547     link_args[j++] = "-shared";
 548     link_args[j++] = "-Wl,-Bsymbolic,-z,defs";
 549     link_args[j++] = "-lwine";
 550     link_args[j++] = "-lm";
 551     for (i = 0; i < nb_lib_files; i++)
 552         link_args[j++] = lib_files[i];
 553     link_args[j++] = "-o";
 554     link_args[j++] = strmake("%s.%s.so", base_file, create_wrapper ? "dll" : "exe");
 555     link_args[j++] = spec_o_name;
 556     for (i = 0; i < nb_obj_files; i++)
 557         if (!is_resource(obj_files[i])) link_args[j++] = obj_files[i];
 558     for (i = 0; i < nb_arh_files; i++)
 559         link_args[j++] = arh_files[i];
 560     link_args[j] = 0;
 561
 562     /* build wrapper compile argument list */
 563     wwrap_args = malloc ( 20 * sizeof (char *) );
 564     j = 0;
 565     wwrap_args[j++] = "gcc";
 566     wwrap_args[j++] = "-fPIC";
 567     wwrap_args[j++] = "-I" INCLUDEDIR "/windows";
 568     wwrap_args[j++] = "-o";
 569     wwrap_args[j++] = wrap_o_name;
 570     wwrap_args[j++] = "-c";
 571     wwrap_args[j++] = wrap_c_name;
 572     wwrap_args[j] = 0;
 573
 574     /* build wrapper winebuild's argument list */
 575     wspec_args = malloc( (nb_dll_files + 20) * sizeof (char *) );
 576     j = 0;
 577     wspec_args[j++] = BINDIR "/winebuild";
 578     wspec_args[j++] = "-o";
 579     wspec_args[j++] = wspec_c_name;
 580     wspec_args[j++] = "--exe";
 581     wspec_args[j++] = strmake("%s.exe", base_name);
 582     wspec_args[j++] = gui_mode ? "-mgui" : "-mcui";
 583     wspec_args[j++] = wrap_o_name;
 584     for (i = 0; i < nb_dll_files; i++)
 585         wspec_args[j++] = dll_files[i];
 586     wspec_args[j] = 0;
 587
 588     /* build wrapper gcc's argument list */
 589     wcomp_args = malloc ( 20 * sizeof (char *) );
 590     j = 0;
 591     wcomp_args[j++] = "gcc";
 592     wcomp_args[j++] = "-fPIC";
 593     wcomp_args[j++] = "-o";
 594     wcomp_args[j++] = wspec_o_name;
 595     wcomp_args[j++] = "-c";
 596     wcomp_args[j++] = wspec_c_name;
 597     wcomp_args[j] = 0;
 598
 599     /* build wrapper ld's argument list */
 600     wlink_args = malloc( 20 * sizeof (char *) );
 601     j = 0;
 602     wlink_args[j++] = cpp ? "g++" : "gcc";
 603     wlink_args[j++] = "-shared";
 604     wlink_args[j++] = "-Wl,-Bsymbolic,-z,defs";
 605     wlink_args[j++] = "-lwine";
 606     wlink_args[j++] = "-ldl";
 607     wlink_args[j++] = "-o";
 608     wlink_args[j++] = strmake("%s.exe.so", base_file);
 609     wlink_args[j++] = wspec_o_name;
 610     wlink_args[j++] = wrap_o_name;
 611     wlink_args[j] = 0;
 612
 613     /* run winebuild to get the .spec.c file */
 614     if (create_wrapper)
 615     {
 616         create_file(spec_name, gui_mode ? app_gui_spec : app_cui_spec);
 617         spawn(spec_args);
 618         rm_temp_file(spec_name);
 619         spawn(comp_args);
 620         rm_temp_file(spec_c_name);
 621         spawn(link_args);
 622         rm_temp_file(spec_o_name);
 623
 624         create_file(wrap_c_name, wrapper_code, base_name, gui_mode);
 625         spawn(wwrap_args);
 626         rm_temp_file(wrap_c_name);
 627         spawn(wspec_args);
 628         spawn(wcomp_args);
 629         rm_temp_file(wspec_c_name);
 630         spawn(wlink_args);
 631         rm_temp_file(wspec_o_name);
 632         rm_temp_file(wrap_o_name);
 633     }
 634     else
 635     {
 636         spawn(spec_args);
 637         spawn(comp_args);
 638         rm_temp_file(spec_c_name);
 639         spawn(link_args);
 640         rm_temp_file(spec_o_name);
 641     }
 642
 643     /* create the loader script */
 644     create_file(base_file, app_loader_script, base_name);
 645     chmod(base_file, 0755);
 646
 647     return 0;
 648 }