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 #ifdef HAVE_SYS_WAIT_H
  31 #include <sys/wait.h>
  32 #endif
  33 #include <sys/stat.h>
  34 #ifdef HAVE_UNISTD_H
  35 # include <unistd.h>
  36 #endif
  37
  38 #ifndef WINEDLLS
  39 #define WINEDLLS "/usr/local/lib/wine"
  40 #endif
  41
  42 static const char *app_loader_script =
  43     "#!/bin/sh\n"
  44     "\n"
  45     "appname=\"%s\"\n"
  46     "# determine the application directory\n"
  47     "appdir=''\n"
  48     "case \"$0\" in\n"
  49     "  */*)\n"
  50     "    # $0 contains a path, use it\n"
  51     "    appdir=`dirname \"$0\"`\n"
  52     "    ;;\n"
  53     "  *)\n"
  54     "    # no directory in $0, search in PATH\n"
  55     "    saved_ifs=$IFS\n"
  56     "    IFS=:\n"
  57     "    for d in $PATH\n"
  58     "    do\n"
  59     "      IFS=$saved_ifs\n"
  60     "      if [ -x \"$d/$appname\" ]; then appdir=\"$d\"; break; fi\n"
  61     "    done\n"
  62     "    ;;\n"
  63     "esac\n"
  64     "\n"
  65     "while true; do\n"
  66     "  case \"$1\" in\n"
  67     "    --debugmsg)\n"
  68     "      debugmsg=\"$1 $2\"\n"
  69     "      shift; shift;\n"
  70     "      ;;\n"
  71     "    --dll)\n"
  72     "      dll=\"$1 $2\"\n"
  73     "      shift; shift;\n"
  74     "      ;;\n"
  75     "    *)\n"
  76     "      break\n"
  77     "      ;;\n"
  78     "  esac\n"
  79     "done\n"
  80     "\n"
  81     "# figure out the full app path\n"
  82     "if [ -n \"$appdir\" ]; then\n"
  83     "    apppath=\"$appdir/$appname.exe.so\"\n"
  84     "else\n"
  85     "    apppath=\"$appname.exe.so\"\n"
  86     "fi\n"
  87     "\n"
  88     "# determine the WINELOADER\n"
  89     "if [ ! -x \"$WINELOADER\" ]; then WINELOADER=\"wine\"; fi\n"
  90     "\n"
  91     "# and try to start the app\n"
  92     "exec \"$WINELOADER\" $debugmsg $dll -- \"$apppath\" \"$@\"\n"
  93 ;
  94
  95 static const char *app_gui_spec =
  96     "@ stdcall WinMain(ptr long ptr long) WinMain\n"
  97 ;
  98
  99 static const char *app_cui_spec =
 100     "@ stdcall main(long ptr ptr) main\n"
 101 ;
 102
 103 static const char *wrapper_code =
 104     "/*\n"
 105     " * Copyright 2000 Francois Gouget <fgouget@codeweavers.com> for CodeWeavers\n"
 106     " * Copyright 2002 Dimitrie O. Paun <dpaun@rogers.com>\n"
 107     " */\n"
 108     "\n"
 109     "#include <dlfcn.h>\n"
 110     "#include <windows.h>\n"
 111     "\n"
 112     "\n"
 113     "/*\n"
 114     " * Describe the wrapped application\n"
 115     " */\n"
 116     "\n"
 117     "/* The app name */\n"
 118     "#define APPNAME \"%s\"\n"
 119     "/**\n"
 120     " * This is either 0 for a console based application or\n"
 121     " * 1 for a regular windows application.\n"
 122     " */\n"
 123     "#define GUIEXE %d\n"
 124     "\n"
 125     "/**\n"
 126     " * This is the name of the library containing the application,\n"
 127     " * e.g. 'hello.dll' if the application is called 'hello.exe'.\n"
 128     " */\n"
 129     "static char* appName     = APPNAME \".dll\";\n"
 130     "\n"
 131     "/**\n"
 132     " * This is the name of the application's Windows module. If left NULL\n"
 133     " * then appName is used.\n"
 134     " */\n"
 135     "static char* appModule   = NULL;\n"
 136     "\n"
 137     "/**\n"
 138     " * This is the application's entry point. This is usually 'WinMain' for a\n"
 139     " * gui app and 'main' for a console application.\n"
 140     " */\n"
 141     "#if GUIEXE\n"
 142     "static char* appInit     = \"WinMain\";\n"
 143     "#else\n"
 144     "static char* appInit     = \"main\";\n"
 145     "#endif\n"
 146     "\n"
 147     "/**\n"
 148     " * This is either non-NULL for MFC-based applications and is the name of the\n"
 149     " * MFC's module. This is the module in which we will take the 'WinMain'\n"
 150     " * function.\n"
 151     " */\n"
 152     "static char* mfcModule   = NULL;\n"
 153     "\n"
 154     "\n"
 155     "void error(const char *format, ...)\n"
 156     "{\n"
 157     "    va_list ap;\n"
 158     "    char msg[4096];\n"
 159     "\n"
 160     "    va_start(ap, format);\n"
 161     "    vsnprintf(msg, sizeof(msg), format, ap);\n"
 162     "    MessageBox(NULL, msg, \"Error\", MB_OK);\n"
 163     "    va_end(ap);\n"
 164     "    exit(1);\n"
 165     "}\n"
 166     "\n"
 167     "\n"
 168     "#if GUIEXE\n"
 169     "typedef int WINAPI (*WinMainFunc)(HINSTANCE hInstance, HINSTANCE hPrevInstance,\n"
 170     "                             PSTR szCmdLine, int iCmdShow);\n"
 171     "#else\n"
 172     "typedef int WINAPI (*MainFunc)(int argc, char** argv, char** envp);\n"
 173     "#endif\n"
 174     "\n"
 175     "#if GUIEXE\n"
 176     "int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,\n"
 177     "                   PSTR szCmdLine, int iCmdShow)\n"
 178     "#else\n"
 179     "int WINAPI main(int argc, char** argv, char** envp)\n"
 180     "#endif\n"
 181     "{\n"
 182     "    void* appLibrary;\n"
 183     "    HINSTANCE hApp = 0, hMFC = 0, hMain = 0;\n"
 184     "    void* appMain;\n"
 185     "    char* libName;\n"
 186     "    int retcode;\n"
 187     "\n"
 188     "    /* Load the application's library */\n"
 189     "    libName=(char*)malloc(2+strlen(appName)+3+1);\n"
 190     "    /* FIXME: we should get the wrapper's path and use that as the base for\n"
 191     "     * the library\n"
 192     "     */\n"
 193     "    sprintf(libName,\"./%%s.so\",appName);\n"
 194     "    appLibrary=dlopen(libName,RTLD_NOW);\n"
 195     "    if (appLibrary==NULL) {\n"
 196     "        sprintf(libName,\"%%s.so\",appName);\n"
 197     "        appLibrary=dlopen(libName,RTLD_NOW);\n"
 198     "    }\n"
 199     "    if (!appLibrary) error(\"Could not load the %%s library: %%s\", libName, dlerror());\n"
 200     "\n"
 201     "    /* Then if this application is MFC based, load the MFC module */\n"
 202     "    /* FIXME: I'm not sure this is really necessary */\n"
 203     "    if (mfcModule) {\n"
 204     "        hMFC = LoadLibrary(mfcModule);\n"
 205     "        if (!hMFC) error(\"Could not load the MFC module %%s (%%d)\", mfcModule, GetLastError());\n"
 206     "        /* MFC is a special case: the WinMain is in the MFC library,\n"
 207     "         * instead of the application's library.\n"
 208     "         */\n"
 209     "        hMain = hMFC;\n"
 210     "    }\n"
 211     "\n"
 212     "    /* Load the application's module */\n"
 213     "    if (!appModule) appModule = appName;\n"
 214     "    hApp = LoadLibrary(appModule);\n"
 215     "    if (!hApp) error(\"Could not load the application's module %%s (%%d)\", appModule, GetLastError());\n"
 216     "    if (!hMain) hMain = hApp;\n"
 217     "\n"
 218     "    /* Get the address of the application's entry point */\n"
 219     "    appMain = GetProcAddress(hMain, appInit);\n"
 220     "    if (!appMain) error(\"Could not get the address of %%s (%%d)\", appInit, GetLastError());\n"
 221     "\n"
 222     "    /* And finally invoke the application's entry point */\n"
 223     "#if GUIEXE\n"
 224     "    retcode = (*((WinMainFunc)appMain))(hApp, hPrevInstance, szCmdLine, iCmdShow);\n"
 225     "#else\n"
 226     "    retcode = (*((MainFunc)appMain))(argc, argv, envp);\n"
 227     "#endif\n"
 228     "\n"
 229     "    /* Cleanup and done */\n"
 230     "    FreeLibrary(hApp);\n"
 231     "    FreeLibrary(hMFC);\n"
 232     "    dlclose(appLibrary);\n"
 233     "    free(libName);\n"
 234     "\n"
 235     "    return retcode;\n"
 236     "}\n"
 237 ;
 238
 239 static char *output_name;
 240 static char **arh_files,  **dll_files,  **lib_files,  **lib_paths,  **obj_files;
 241 static int nb_arh_files, nb_dll_files, nb_lib_files, nb_lib_paths, nb_obj_files;
 242 static int verbose = 0;
 243 static int keep_generated = 0;
 244
 245 void error(const char *s, ...)
 246 {
 247     va_list ap;
 248
 249     va_start(ap, s);
 250     fprintf(stderr, "Error: ");
 251     vfprintf(stderr, s, ap);
 252     fprintf(stderr, "\n");
 253     va_end(ap);
 254     exit(2);
 255 }
 256
 257 char *strmake(const char *fmt, ...)
 258 {
 259     int n, size = 100;
 260     char *p;
 261     va_list ap;
 262
 263     if ((p = malloc (size)) == NULL)
 264         error("Can not malloc %d bytes.", size);
 265
 266     while (1)
 267     {
 268         va_start(ap, fmt);
 269         n = vsnprintf (p, size, fmt, ap);
 270         va_end(ap);
 271         if (n > -1 && n < size) return p;
 272         size *= 2;
 273         if ((p = realloc (p, size)) == NULL)
 274             error("Can not realloc %d bytes.", size);
 275     }
 276 }
 277
 278 void rm_temp_file(const char *file)
 279 {
 280     if (!keep_generated) unlink(file);
 281 }
 282
 283 void create_file(const char *name, const char *fmt, ...)
 284 {
 285     va_list ap;
 286     FILE *file;
 287
 288     if (verbose) printf("Creating file %s\n", name);
 289     va_start(ap, fmt);
 290     if ( !(file = fopen(name, "w")) )
 291         error ("Can not create %s.", name);
 292     vfprintf(file, fmt, ap);
 293     va_end(ap);
 294     fclose(file);
 295 }
 296
 297 void spawn(char *const argv[])
 298 {
 299     int pid, status, wret, i;
 300
 301     if (verbose)
 302     {
 303         for(i = 0; argv[i]; i++) printf("%s ", argv[i]);
 304         printf("\n");
 305     }
 306
 307     if ((pid = fork()) == 0) execvp(argv[0], argv);
 308     else if (pid > 0)
 309     {
 310         while (pid != (wret = waitpid(pid, &status, 0)))
 311             if (wret == -1 && errno != EINTR) break;
 312
 313         if (pid == wret && WIFEXITED(status) && WEXITSTATUS(status) == 0) return;
 314         error("%s failed.", argv[0]);
 315     }
 316     perror("Error:");
 317     exit(3);
 318 }
 319
 320 int is_resource(const char* file)
 321 {
 322     /* see tools/winebuild/res32.c: check_header for details */
 323     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 };
 324     char buf[sizeof(res_sig)];
 325     FILE *fin;
 326
 327     if (!(fin = fopen(file, "r"))) error("Can not open %s", file);
 328     if (fread(buf, sizeof(buf), 1, fin) != 1) error("Truncated file %s", file);
 329     fclose(fin);
 330
 331     return !memcmp(buf, res_sig, sizeof(buf));
 332 }
 333
 334 /* open the file for a given name, in a specified path, with the given extension */
 335 static char *try_path( const char *path, const char *name, const char *ext )
 336 {
 337     char *fullname;
 338     int fd;
 339
 340     fullname = strmake("%s/lib%s.%s", path, name, ext);
 341     if (verbose > 1) fprintf(stderr, "Try %s...", fullname);
 342
 343     /* check if the file exists */
 344     if ((fd = open( fullname, O_RDONLY )) != -1)
 345     {
 346         close( fd );
 347         if (verbose > 1) fprintf(stderr, "FOUND!\n");
 348         return fullname;
 349     }
 350     free( fullname );
 351     if (verbose > 1) fprintf(stderr, "\n");
 352     return NULL;
 353 }
 354
 355 /* open the .def library for a given dll in a specified path */
 356 static char *try_dll_path( const char *path, const char *name )
 357 {
 358     return try_path(path, name, "def");
 359 }
 360
 361 /* open the .a library for a given lib in a specified path */
 362 static char *try_lib_path( const char *path, const char *name )
 363 {
 364     return try_path(path, name, "a");
 365 }
 366
 367 /* open the .def library for a given dll */
 368 static char *open_dll(const char *name)
 369 {
 370     char *fullname;
 371     int i;
 372
 373     for (i = 0; i < nb_lib_paths; i++)
 374     {
 375         if ((fullname = try_dll_path( lib_paths[i], name ))) return fullname;
 376     }
 377     return try_dll_path( ".", name );
 378 }
 379
 380 /* find a static library */
 381 static char *find_lib(const char *name)
 382 {
 383     static const char* std_paths[] = { ".", "/usr/lib", "/usr/local/lib" };
 384     char *fullname;
 385     int i;
 386
 387     for (i = 0; i < nb_lib_paths; i++)
 388     {
 389         if ((fullname = try_lib_path( lib_paths[i], name ))) return fullname;
 390     }
 391
 392     for (i = 0; i < sizeof(std_paths)/sizeof(std_paths[0]); i++)
 393     {
 394         if ((fullname = try_lib_path( std_paths[i], name ))) return fullname;
 395     }
 396
 397     return 0;
 398 }
 399
 400 void add_lib_path(const char* path)
 401 {
 402     lib_paths = realloc( lib_paths, (nb_lib_paths+1) * sizeof(*lib_paths) );
 403     lib_paths[nb_lib_paths++] = strdup(path);
 404     dll_files = realloc( dll_files, (nb_dll_files+1) * sizeof(*dll_files) );
 405     dll_files[nb_dll_files++] = strmake("-L%s", path);
 406     lib_files = realloc( lib_files, (nb_lib_files+1) * sizeof(*lib_files) );
 407     lib_files[nb_lib_files++] = strmake("-L%s", path);
 408 }
 409
 410 void add_lib_file(const char* library)
 411 {
 412     char *lib;
 413
 414     if (open_dll(library))
 415     {
 416         dll_files = realloc( dll_files, (nb_dll_files+1) * sizeof(*dll_files) );
 417         dll_files[nb_dll_files++] = strmake("-l%s", library);
 418     }
 419     else if ((lib = find_lib(library)))
 420     {
 421         arh_files = realloc( arh_files, (nb_arh_files+1) * sizeof(*arh_files) );
 422         arh_files[nb_arh_files++] = lib;
 423     }
 424     else
 425     {
 426         lib_files = realloc( lib_files, (nb_lib_files+1) * sizeof(*lib_files) );
 427         lib_files[nb_lib_files++] = strmake("-l%s", library);
 428     }
 429 }
 430
 431 int main(int argc, char **argv)
 432 {
 433     char *library = 0, *path = 0;
 434     int i, j, len, cpp = 0, no_opt = 0, gui_mode = 0, create_wrapper = -1;
 435     char *base_name, *base_file, *app_temp_name, *wrp_temp_name;
 436     char *spec_name, *spec_c_name, *spec_o_name;
 437     char *wspec_name, *wspec_c_name, *wspec_o_name;
 438     char *wrap_c_name, *wrap_o_name;
 439     char **spec_args, **comp_args, **link_args;
 440     char **wwrap_args, **wspec_args, **wcomp_args, **wlink_args;
 441
 442     /* include the standard DLL path first */
 443     add_lib_path(WINEDLLS);
 444
 445     for (i = 1; i < argc; i++)
 446     {
 447         if (!no_opt && argv[i][0] == '-')
 448         {
 449             switch (argv[i][1])
 450             {
 451             case 'k':
 452                 keep_generated = 1;
 453                 break;
 454             case 'o':
 455                 if (argv[i][2]) output_name = strdup(argv[i]+ 2);
 456                 else if (i + 1 < argc) output_name = strdup(argv[++i]);
 457                 else error("The -o switch takes an argument.");
 458                 break;
 459             case 'L':
 460                 if (argv[i][2]) path = argv[i] + 2;
 461                 else if (i + 1 < argc) path = argv[++i];
 462                 else error("The -L switch takes an argument\n.");
 463                 add_lib_path(path);
 464                 break;
 465             case 'l':
 466                 if (argv[i][2]) library = argv[i] + 2;
 467                 else if (i + 1 < argc) library = argv[++i];
 468                 else error("The -l switch takes an argument\n.");
 469                 add_lib_file(library);
 470                 break;
 471             case 'm':
 472                 if (strcmp("-mwindows", argv[i]) == 0) gui_mode = 1;
 473                 else if (strcmp("-mgui", argv[i]) == 0) gui_mode = 1;
 474                 else error("Unknown option %s\n", argv[i]);
 475                 break;
 476             case 'v':        /* verbose */
 477                 if (argv[i][2] == 0) verbose++;
 478                 break;
 479             case 'V':
 480                 printf("winewrap v0.40\n");
 481                 exit(0);
 482                 break;
 483             case 'C':
 484                 cpp = 1;
 485                 break;
 486             case 'w':
 487                 create_wrapper = 1;
 488                 break;
 489             case 'W':
 490                 create_wrapper = 0;
 491                 break;
 492             case '-':
 493                 if (argv[i][2]) error("No long option supported.");
 494                 no_opt = 1;
 495                 break;
 496             default:
 497                 error("Unknown option -%c", argv[i][1]);
 498             }
 499             continue;
 500         }
 501
 502         /* it's a filename, add it to its list */
 503         obj_files = realloc( obj_files, (nb_obj_files+1) * sizeof(*obj_files) );
 504         obj_files[nb_obj_files++] = strdup(argv[i]);
 505     }
 506
 507     /* create wrapper only in C++ by default */
 508     if (create_wrapper == -1) create_wrapper = cpp;
 509
 510     /* link in by default the big three */
 511     add_lib_file("user32");
 512     add_lib_file("gdi32");
 513     add_lib_file("kernel32");
 514
 515     app_temp_name = tempnam(0, "wapp");
 516     wrp_temp_name = tempnam(0, "wwrp");
 517
 518     /* get base filename by removing the .exe extension, if present */
 519     base_file = strdup(output_name);
 520     len = strlen(base_file);
 521     if (len > 4 && strcmp(base_file + len - 4, ".exe") == 0)
 522         base_file[len - 4 ] = 0; /* remove the .exe extension */
 523
 524     /* we need to get rid of the directory part to get the base name */
 525     if ( (base_name = strrchr(base_file, '/')) ) base_name++;
 526     else base_name = base_file;
 527
 528     spec_name = strmake("%s.spec", app_temp_name);
 529     spec_c_name = strmake("%s.c", spec_name);
 530     spec_o_name = strmake("%s.o", spec_name);
 531
 532     wspec_name = strmake("%s.spec", wrp_temp_name);
 533     wspec_c_name = strmake("%s.c", wspec_name);
 534     wspec_o_name = strmake("%s.o", wspec_name);
 535
 536     wrap_c_name = strmake("%s.c", wrp_temp_name);
 537     wrap_o_name = strmake("%s.o", wrp_temp_name);
 538
 539     /* build winebuild's argument list */
 540     spec_args = malloc( (nb_arh_files + nb_dll_files + nb_obj_files + 20) * sizeof (char *) );
 541     j = 0;
 542     spec_args[j++] = BINDIR "/winebuild";
 543     spec_args[j++] = "-o";
 544     spec_args[j++] = spec_c_name;
 545     if (create_wrapper)
 546     {
 547         spec_args[j++] = "-F";
 548         spec_args[j++] = strmake("%s.dll", base_name);
 549         spec_args[j++] = "--spec";
 550         spec_args[j++] = spec_name;
 551     }
 552     else
 553     {
 554         spec_args[j++] = "--exe";
 555         spec_args[j++] = strmake("%s.exe", base_name);
 556         spec_args[j++] = gui_mode ? "-mgui" : "-mcui";
 557     }
 558     for (i = 0; i < nb_dll_files; i++)
 559         spec_args[j++] = dll_files[i];
 560     for (i = 0; i < nb_obj_files; i++)
 561         spec_args[j++] = obj_files[i];
 562     for (i = 0; i < nb_arh_files; i++)
 563         spec_args[j++] = arh_files[i];
 564     spec_args[j] = 0;
 565
 566     /* build gcc's argument list */
 567     comp_args = malloc ( 20 * sizeof (char *) );
 568     j = 0;
 569     comp_args[j++] = "gcc";
 570     comp_args[j++] = "-fPIC";
 571     comp_args[j++] = "-o";
 572     comp_args[j++] = spec_o_name;
 573     comp_args[j++] = "-c";
 574     comp_args[j++] = spec_c_name;
 575     comp_args[j] = 0;
 576
 577     /* build ld's argument list */
 578     link_args = malloc( (nb_arh_files + nb_obj_files + nb_lib_files + 20) * sizeof (char *) );
 579     j = 0;
 580     link_args[j++] = cpp ? "g++" : "gcc";
 581     link_args[j++] = "-shared";
 582     link_args[j++] = "-Wl,-Bsymbolic,-z,defs";
 583     link_args[j++] = "-lwine";
 584     link_args[j++] = "-lm";
 585     for (i = 0; i < nb_lib_files; i++)
 586         link_args[j++] = lib_files[i];
 587     link_args[j++] = "-o";
 588     link_args[j++] = strmake("%s.%s.so", base_file, create_wrapper ? "dll" : "exe");
 589     link_args[j++] = spec_o_name;
 590     for (i = 0; i < nb_obj_files; i++)
 591         if (!is_resource(obj_files[i])) link_args[j++] = obj_files[i];
 592     for (i = 0; i < nb_arh_files; i++)
 593         link_args[j++] = arh_files[i];
 594     link_args[j] = 0;
 595
 596     /* build wrapper compile argument list */
 597     wwrap_args = malloc ( 20 * sizeof (char *) );
 598     j = 0;
 599     wwrap_args[j++] = "gcc";
 600     wwrap_args[j++] = "-fPIC";
 601     wwrap_args[j++] = "-I" INCLUDEDIR "/windows";
 602     wwrap_args[j++] = "-o";
 603     wwrap_args[j++] = wrap_o_name;
 604     wwrap_args[j++] = "-c";
 605     wwrap_args[j++] = wrap_c_name;
 606     wwrap_args[j] = 0;
 607
 608     /* build wrapper winebuild's argument list */
 609     wspec_args = malloc( (nb_dll_files + 20) * sizeof (char *) );
 610     j = 0;
 611     wspec_args[j++] = BINDIR "/winebuild";
 612     wspec_args[j++] = "-o";
 613     wspec_args[j++] = wspec_c_name;
 614     wspec_args[j++] = "--exe";
 615     wspec_args[j++] = strmake("%s.exe", base_name);
 616     wspec_args[j++] = gui_mode ? "-mgui" : "-mcui";
 617     wspec_args[j++] = wrap_o_name;
 618     for (i = 0; i < nb_dll_files; i++)
 619         wspec_args[j++] = dll_files[i];
 620     wspec_args[j] = 0;
 621
 622     /* build wrapper gcc's argument list */
 623     wcomp_args = malloc ( 20 * sizeof (char *) );
 624     j = 0;
 625     wcomp_args[j++] = "gcc";
 626     wcomp_args[j++] = "-fPIC";
 627     wcomp_args[j++] = "-o";
 628     wcomp_args[j++] = wspec_o_name;
 629     wcomp_args[j++] = "-c";
 630     wcomp_args[j++] = wspec_c_name;
 631     wcomp_args[j] = 0;
 632
 633     /* build wrapper ld's argument list */
 634     wlink_args = malloc( 20 * sizeof (char *) );
 635     j = 0;
 636     wlink_args[j++] = cpp ? "g++" : "gcc";
 637     wlink_args[j++] = "-shared";
 638     wlink_args[j++] = "-Wl,-Bsymbolic,-z,defs";
 639     wlink_args[j++] = "-lwine";
 640     wlink_args[j++] = "-ldl";
 641     wlink_args[j++] = "-o";
 642     wlink_args[j++] = strmake("%s.exe.so", base_file);
 643     wlink_args[j++] = wspec_o_name;
 644     wlink_args[j++] = wrap_o_name;
 645     wlink_args[j] = 0;
 646
 647     /* run winebuild to get the .spec.c file */
 648     if (create_wrapper)
 649     {
 650         create_file(spec_name, gui_mode ? app_gui_spec : app_cui_spec);
 651         spawn(spec_args);
 652         rm_temp_file(spec_name);
 653         spawn(comp_args);
 654         rm_temp_file(spec_c_name);
 655         spawn(link_args);
 656         rm_temp_file(spec_o_name);
 657
 658         create_file(wrap_c_name, wrapper_code, base_name, gui_mode);
 659         spawn(wwrap_args);
 660         rm_temp_file(wrap_c_name);
 661         spawn(wspec_args);
 662         spawn(wcomp_args);
 663         rm_temp_file(wspec_c_name);
 664         spawn(wlink_args);
 665         rm_temp_file(wspec_o_name);
 666         rm_temp_file(wrap_o_name);
 667     }
 668     else
 669     {
 670         spawn(spec_args);
 671         spawn(comp_args);
 672         rm_temp_file(spec_c_name);
 673         spawn(link_args);
 674         rm_temp_file(spec_o_name);
 675     }
 676
 677     /* create the loader script */
 678     create_file(base_file, app_loader_script, base_name);
 679     chmod(base_file, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
 680
 681     return 0;
 682 }