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     "    void* appLibrary;\n"
 177     "    HINSTANCE hApp = 0, hMFC = 0, hMain = 0;\n"
 178     "    void* appMain;\n"
 179     "    char* libName;\n"
 180     "    int retcode;\n"
 181     "\n"
 182     "    /* Load the application's library */\n"
 183     "    libName=(char*)malloc(2+strlen(appName)+3+1);\n"
 184     "    /* FIXME: we should get the wrapper's path and use that as the base for\n"
 185     "     * the library\n"
 186     "     */\n"
 187     "    sprintf(libName,\"./%%s.so\",appName);\n"
 188     "    appLibrary=dlopen(libName,RTLD_NOW);\n"
 189     "    if (appLibrary==NULL) {\n"
 190     "        sprintf(libName,\"%%s.so\",appName);\n"
 191     "        appLibrary=dlopen(libName,RTLD_NOW);\n"
 192     "    }\n"
 193     "    if (!appLibrary) error(\"Could not load the %%s library: %%s\", libName, dlerror());\n"
 194     "\n"
 195     "    /* Then if this application is MFC based, load the MFC module */\n"
 196     "    /* FIXME: I'm not sure this is really necessary */\n"
 197     "    if (mfcModule) {\n"
 198     "        hMFC = LoadLibrary(mfcModule);\n"
 199     "        if (!hMFC) error(\"Could not load the MFC module %%s (%%d)\", mfcModule, GetLastError());\n"
 200     "        /* MFC is a special case: the WinMain is in the MFC library,\n"
 201     "         * instead of the application's library.\n"
 202     "         */\n"
 203     "        hMain = hMFC;\n"
 204     "    }\n"
 205     "\n"
 206     "    /* Load the application's module */\n"
 207     "    if (!appModule) appModule = appName;\n"
 208     "    hApp = LoadLibrary(appModule);\n"
 209     "    if (!hApp) error(\"Could not load the application's module %%s (%%d)\", appModule, GetLastError());\n"
 210     "    if (!hMain) hMain = hApp;\n"
 211     "\n"
 212     "    /* Get the address of the application's entry point */\n"
 213     "    appMain = GetProcAddress(hMain, appInit);\n"
 214     "    if (!appMain) error(\"Could not get the address of %%s (%%d)\", appInit, GetLastError());\n"
 215     "\n"
 216     "    /* And finally invoke the application's entry point */\n"
 217     "#if GUIEXE\n"
 218     "    retcode = (*((WinMainFunc)appMain))(hApp, hPrevInstance, szCmdLine, iCmdShow);\n"
 219     "#else\n"
 220     "    retcode = (*((MainFunc)appMain))(argc, argv, envp);\n"
 221     "#endif\n"
 222     "\n"
 223     "    /* Cleanup and done */\n"
 224     "    FreeLibrary(hApp);\n"
 225     "    FreeLibrary(hMFC);\n"
 226     "    dlclose(appLibrary);\n"
 227     "    free(libName);\n"
 228     "\n"
 229     "    return retcode;\n"
 230     "}\n"
 231 ;
 232
 233 static char *output_name;
 234 static char **arh_files,  **dll_files,  **lib_files,  **lib_paths,  **obj_files;
 235 static int nb_arh_files, nb_dll_files, nb_lib_files, nb_lib_paths, nb_obj_files;
 236 static int verbose = 0;
 237 static int keep_generated = 0;
 238
 239 void error(const char *s, ...)
 240 {
 241     va_list ap;
 242
 243     va_start(ap, s);
 244     fprintf(stderr, "Error: ");
 245     vfprintf(stderr, s, ap);
 246     fprintf(stderr, "\n");
 247     va_end(ap);
 248     exit(2);
 249 }
 250
 251 char *strmake(const char *fmt, ...)
 252 {
 253     int n, size = 100;
 254     char *p;
 255     va_list ap;
 256
 257     if ((p = malloc (size)) == NULL)
 258         error("Can not malloc %d bytes.", size);
 259
 260     while (1)
 261     {
 262         va_start(ap, fmt);
 263         n = vsnprintf (p, size, fmt, ap);
 264         va_end(ap);
 265         if (n > -1 && n < size) return p;
 266         size *= 2;
 267         if ((p = realloc (p, size)) == NULL)
 268             error("Can not realloc %d bytes.", size);
 269     }
 270 }
 271
 272 void rm_temp_file(const char *file)
 273 {
 274     if (!keep_generated) unlink(file);
 275 }
 276
 277 void create_file(const char *name, const char *fmt, ...)
 278 {
 279     va_list ap;
 280     FILE *file;
 281
 282     if (verbose) printf("Creating file %s\n", name);
 283     va_start(ap, fmt);
 284     if ( !(file = fopen(name, "w")) )
 285         error ("Can not create %s.", name);
 286     vfprintf(file, fmt, ap);
 287     va_end(ap);
 288     fclose(file);
 289 }
 290
 291 void spawn(char *const argv[])
 292 {
 293     int i, status;
 294
 295     if (verbose)
 296     {
 297         for(i = 0; argv[i]; i++) printf("%s ", argv[i]);
 298         printf("\n");
 299     }
 300     if (!(status = spawnvp( _P_WAIT, argv[0], argv))) return;
 301
 302     if (status > 0) error("%s failed.", argv[0]);
 303     else perror("Error:");
 304     exit(3);
 305 }
 306
 307 int is_resource(const char* file)
 308 {
 309     /* see tools/winebuild/res32.c: check_header for details */
 310     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 };
 311     char buf[sizeof(res_sig)];
 312     FILE *fin;
 313
 314     if (!(fin = fopen(file, "r"))) error("Can not open %s", file);
 315     if (fread(buf, sizeof(buf), 1, fin) != 1) error("Truncated file %s", file);
 316     fclose(fin);
 317
 318     return !memcmp(buf, res_sig, sizeof(buf));
 319 }
 320
 321 /* open the file for a given name, in a specified path, with the given extension */
 322 static char *try_path( const char *path, const char *name, const char *ext )
 323 {
 324     char *fullname;
 325     int fd;
 326
 327     fullname = strmake("%s/lib%s.%s", path, name, ext);
 328     if (verbose > 1) fprintf(stderr, "Try %s...", fullname);
 329
 330     /* check if the file exists */
 331     if ((fd = open( fullname, O_RDONLY )) != -1)
 332     {
 333         close( fd );
 334         if (verbose > 1) fprintf(stderr, "FOUND!\n");
 335         return fullname;
 336     }
 337     free( fullname );
 338     if (verbose > 1) fprintf(stderr, "\n");
 339     return NULL;
 340 }
 341
 342 /* open the .def library for a given dll in a specified path */
 343 static char *try_dll_path( const char *path, const char *name )
 344 {
 345     return try_path(path, name, "def");
 346 }
 347
 348 /* open the .a library for a given lib in a specified path */
 349 static char *try_lib_path( const char *path, const char *name )
 350 {
 351     return try_path(path, name, "a");
 352 }
 353
 354 /* open the .def library for a given dll */
 355 static char *open_dll(const char *name)
 356 {
 357     char *fullname;
 358     int i;
 359
 360     for (i = 0; i < nb_lib_paths; i++)
 361     {
 362         if ((fullname = try_dll_path( lib_paths[i], name ))) return fullname;
 363     }
 364     return try_dll_path( ".", name );
 365 }
 366
 367 /* find a static library */
 368 static char *find_lib(const char *name)
 369 {
 370     static const char* std_paths[] = { ".", "/usr/lib", "/usr/local/lib" };
 371     char *fullname;
 372     int i;
 373
 374     for (i = 0; i < nb_lib_paths; i++)
 375     {
 376         if ((fullname = try_lib_path( lib_paths[i], name ))) return fullname;
 377     }
 378
 379     for (i = 0; i < sizeof(std_paths)/sizeof(std_paths[0]); i++)
 380     {
 381         if ((fullname = try_lib_path( std_paths[i], name ))) return fullname;
 382     }
 383
 384     return 0;
 385 }
 386
 387 void add_lib_path(const char* path)
 388 {
 389     lib_paths = realloc( lib_paths, (nb_lib_paths+1) * sizeof(*lib_paths) );
 390     lib_paths[nb_lib_paths++] = strdup(path);
 391     dll_files = realloc( dll_files, (nb_dll_files+1) * sizeof(*dll_files) );
 392     dll_files[nb_dll_files++] = strmake("-L%s", path);
 393     lib_files = realloc( lib_files, (nb_lib_files+1) * sizeof(*lib_files) );
 394     lib_files[nb_lib_files++] = strmake("-L%s", path);
 395 }
 396
 397 void add_lib_file(const char* library)
 398 {
 399     char *lib;
 400
 401     if (open_dll(library))
 402     {
 403         dll_files = realloc( dll_files, (nb_dll_files+1) * sizeof(*dll_files) );
 404         dll_files[nb_dll_files++] = strmake("-l%s", library);
 405     }
 406     else if ((lib = find_lib(library)))
 407     {
 408         arh_files = realloc( arh_files, (nb_arh_files+1) * sizeof(*arh_files) );
 409         arh_files[nb_arh_files++] = lib;
 410     }
 411     else
 412     {
 413         lib_files = realloc( lib_files, (nb_lib_files+1) * sizeof(*lib_files) );
 414         lib_files[nb_lib_files++] = strmake("-l%s", library);
 415     }
 416 }
 417
 418 int main(int argc, char **argv)
 419 {
 420     char *library = 0, *path = 0;
 421     int i, j, len, cpp = 0, no_opt = 0, gui_mode = 0, create_wrapper = -1;
 422     char *base_name, *base_file, *app_temp_name, *wrp_temp_name;
 423     char *spec_name, *spec_c_name, *spec_o_name;
 424     char *wspec_name, *wspec_c_name, *wspec_o_name;
 425     char *wrap_c_name, *wrap_o_name;
 426     char **spec_args, **comp_args, **link_args;
 427     char **wwrap_args, **wspec_args, **wcomp_args, **wlink_args;
 428
 429     /* include the standard DLL path first */
 430     add_lib_path(WINEDLLS);
 431
 432     for (i = 1; i < argc; i++)
 433     {
 434         if (!no_opt && argv[i][0] == '-')
 435         {
 436             switch (argv[i][1])
 437             {
 438             case 'k':
 439                 keep_generated = 1;
 440                 break;
 441             case 'o':
 442                 if (argv[i][2]) output_name = strdup(argv[i]+ 2);
 443                 else if (i + 1 < argc) output_name = strdup(argv[++i]);
 444                 else error("The -o switch takes an argument.");
 445                 break;
 446             case 'L':
 447                 if (argv[i][2]) path = argv[i] + 2;
 448                 else if (i + 1 < argc) path = argv[++i];
 449                 else error("The -L switch takes an argument\n.");
 450                 add_lib_path(path);
 451                 break;
 452             case 'l':
 453                 if (argv[i][2]) library = argv[i] + 2;
 454                 else if (i + 1 < argc) library = argv[++i];
 455                 else error("The -l switch takes an argument\n.");
 456                 add_lib_file(library);
 457                 break;
 458             case 'm':
 459                 if (strcmp("-mgui", argv[i]) == 0) gui_mode = 1;
 460                 else error("Unknown option %s\n", argv[i]);
 461                 break;
 462             case 'v':        /* verbose */
 463                 if (argv[i][2] == 0) verbose++;
 464                 break;
 465             case 'V':
 466                 printf("winewrap v0.40\n");
 467                 exit(0);
 468                 break;
 469             case 'C':
 470                 cpp = 1;
 471                 break;
 472             case 'w':
 473                 create_wrapper = 1;
 474                 break;
 475             case 'W':
 476                 create_wrapper = 0;
 477                 break;
 478             case '-':
 479                 if (argv[i][2]) error("No long option supported.");
 480                 no_opt = 1;
 481                 break;
 482             default:
 483                 error("Unknown option -%c", argv[i][1]);
 484             }
 485             continue;
 486         }
 487
 488         /* it's a filename, add it to its list */
 489         obj_files = realloc( obj_files, (nb_obj_files+1) * sizeof(*obj_files) );
 490         obj_files[nb_obj_files++] = strdup(argv[i]);
 491     }
 492
 493     /* create wrapper only in C++ by default */
 494     if (create_wrapper == -1) create_wrapper = cpp;
 495
 496     /* link in by default the big three */
 497     if (gui_mode) add_lib_file("gdi32");
 498     add_lib_file("user32");
 499     add_lib_file("kernel32");
 500
 501     app_temp_name = tempnam(0, "wapp");
 502     wrp_temp_name = tempnam(0, "wwrp");
 503
 504     /* get base filename by removing the .exe extension, if present */
 505     base_file = strdup(output_name);
 506     len = strlen(base_file);
 507     if (len > 4 && strcmp(base_file + len - 4, ".exe") == 0)
 508         base_file[len - 4 ] = 0; /* remove the .exe extension */
 509
 510     /* we need to get rid of the directory part to get the base name */
 511     if ( (base_name = strrchr(base_file, '/')) ) base_name++;
 512     else base_name = base_file;
 513
 514     spec_name = strmake("%s.spec", app_temp_name);
 515     spec_c_name = strmake("%s.c", spec_name);
 516     spec_o_name = strmake("%s.o", spec_name);
 517
 518     wspec_name = strmake("%s.spec", wrp_temp_name);
 519     wspec_c_name = strmake("%s.c", wspec_name);
 520     wspec_o_name = strmake("%s.o", wspec_name);
 521
 522     wrap_c_name = strmake("%s.c", wrp_temp_name);
 523     wrap_o_name = strmake("%s.o", wrp_temp_name);
 524
 525     /* build winebuild's argument list */
 526     spec_args = malloc( (nb_arh_files + nb_dll_files + nb_obj_files + 20) * sizeof (char *) );
 527     j = 0;
 528     spec_args[j++] = BINDIR "/winebuild";
 529     spec_args[j++] = "-o";
 530     spec_args[j++] = spec_c_name;
 531     if (create_wrapper)
 532     {
 533         spec_args[j++] = "-F";
 534         spec_args[j++] = strmake("%s.dll", base_name);
 535         spec_args[j++] = "--spec";
 536         spec_args[j++] = spec_name;
 537     }
 538     else
 539     {
 540         spec_args[j++] = "--exe";
 541         spec_args[j++] = strmake("%s.exe", base_name);
 542         spec_args[j++] = gui_mode ? "-mgui" : "-mcui";
 543     }
 544     for (i = 0; i < nb_dll_files; i++)
 545         spec_args[j++] = dll_files[i];
 546     for (i = 0; i < nb_obj_files; i++)
 547         spec_args[j++] = obj_files[i];
 548     for (i = 0; i < nb_arh_files; i++)
 549         spec_args[j++] = arh_files[i];
 550     spec_args[j] = 0;
 551
 552     /* build gcc's argument list */
 553     comp_args = malloc ( 20 * sizeof (char *) );
 554     j = 0;
 555     comp_args[j++] = "gcc";
 556     comp_args[j++] = "-fPIC";
 557     comp_args[j++] = "-o";
 558     comp_args[j++] = spec_o_name;
 559     comp_args[j++] = "-c";
 560     comp_args[j++] = spec_c_name;
 561     comp_args[j] = 0;
 562
 563     /* build ld's argument list */
 564     link_args = malloc( (nb_arh_files + nb_obj_files + nb_lib_files + 20) * sizeof (char *) );
 565     j = 0;
 566     link_args[j++] = cpp ? "g++" : "gcc";
 567     link_args[j++] = "-shared";
 568     link_args[j++] = "-Wl,-Bsymbolic,-z,defs";
 569     link_args[j++] = "-lwine";
 570     link_args[j++] = "-lm";
 571     for (i = 0; i < nb_lib_files; i++)
 572         link_args[j++] = lib_files[i];
 573     link_args[j++] = "-o";
 574     link_args[j++] = strmake("%s.%s.so", base_file, create_wrapper ? "dll" : "exe");
 575     link_args[j++] = spec_o_name;
 576     for (i = 0; i < nb_obj_files; i++)
 577         if (!is_resource(obj_files[i])) link_args[j++] = obj_files[i];
 578     for (i = 0; i < nb_arh_files; i++)
 579         link_args[j++] = arh_files[i];
 580     link_args[j] = 0;
 581
 582     /* build wrapper compile argument list */
 583     wwrap_args = malloc ( 20 * sizeof (char *) );
 584     j = 0;
 585     wwrap_args[j++] = "gcc";
 586     wwrap_args[j++] = "-fPIC";
 587     wwrap_args[j++] = "-I" INCLUDEDIR "/windows";
 588     wwrap_args[j++] = "-o";
 589     wwrap_args[j++] = wrap_o_name;
 590     wwrap_args[j++] = "-c";
 591     wwrap_args[j++] = wrap_c_name;
 592     wwrap_args[j] = 0;
 593
 594     /* build wrapper winebuild's argument list */
 595     wspec_args = malloc( (nb_dll_files + 20) * sizeof (char *) );
 596     j = 0;
 597     wspec_args[j++] = BINDIR "/winebuild";
 598     wspec_args[j++] = "-o";
 599     wspec_args[j++] = wspec_c_name;
 600     wspec_args[j++] = "--exe";
 601     wspec_args[j++] = strmake("%s.exe", base_name);
 602     wspec_args[j++] = gui_mode ? "-mgui" : "-mcui";
 603     wspec_args[j++] = wrap_o_name;
 604     for (i = 0; i < nb_dll_files; i++)
 605         wspec_args[j++] = dll_files[i];
 606     wspec_args[j] = 0;
 607
 608     /* build wrapper gcc's argument list */
 609     wcomp_args = malloc ( 20 * sizeof (char *) );
 610     j = 0;
 611     wcomp_args[j++] = "gcc";
 612     wcomp_args[j++] = "-fPIC";
 613     wcomp_args[j++] = "-o";
 614     wcomp_args[j++] = wspec_o_name;
 615     wcomp_args[j++] = "-c";
 616     wcomp_args[j++] = wspec_c_name;
 617     wcomp_args[j] = 0;
 618
 619     /* build wrapper ld's argument list */
 620     wlink_args = malloc( 20 * sizeof (char *) );
 621     j = 0;
 622     wlink_args[j++] = cpp ? "g++" : "gcc";
 623     wlink_args[j++] = "-shared";
 624     wlink_args[j++] = "-Wl,-Bsymbolic,-z,defs";
 625     wlink_args[j++] = "-lwine";
 626     wlink_args[j++] = "-ldl";
 627     wlink_args[j++] = "-o";
 628     wlink_args[j++] = strmake("%s.exe.so", base_file);
 629     wlink_args[j++] = wspec_o_name;
 630     wlink_args[j++] = wrap_o_name;
 631     wlink_args[j] = 0;
 632
 633     /* run winebuild to get the .spec.c file */
 634     if (create_wrapper)
 635     {
 636         create_file(spec_name, gui_mode ? app_gui_spec : app_cui_spec);
 637         spawn(spec_args);
 638         rm_temp_file(spec_name);
 639         spawn(comp_args);
 640         rm_temp_file(spec_c_name);
 641         spawn(link_args);
 642         rm_temp_file(spec_o_name);
 643
 644         create_file(wrap_c_name, wrapper_code, base_name, gui_mode);
 645         spawn(wwrap_args);
 646         rm_temp_file(wrap_c_name);
 647         spawn(wspec_args);
 648         spawn(wcomp_args);
 649         rm_temp_file(wspec_c_name);
 650         spawn(wlink_args);
 651         rm_temp_file(wspec_o_name);
 652         rm_temp_file(wrap_o_name);
 653     }
 654     else
 655     {
 656         spawn(spec_args);
 657         spawn(comp_args);
 658         rm_temp_file(spec_c_name);
 659         spawn(link_args);
 660         rm_temp_file(spec_o_name);
 661     }
 662
 663     /* create the loader script */
 664     create_file(base_file, app_loader_script, base_name);
 665     chmod(base_file, 0755);
 666
 667     return 0;
 668 }