tools/winegcc.c

   1 /*
   2  * MinGW wrapper: makes gcc behave like MinGW.
   3  *
   4  * Copyright 2000 Manuel Novoa III
   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 <stdlib.h>
  27 #include <stdarg.h>
  28 #include <string.h>
  29 #include <errno.h>
  30 #include <sys/stat.h>
  31
  32 static char **tmp_files;
  33 static int nb_tmp_files;
  34 static int verbose = 0;
  35 static int keep_generated = 0;
  36
  37 void error(const char *s, ...)
  38 {
  39     va_list ap;
  40
  41     va_start(ap, s);
  42     fprintf(stderr, "Error: ");
  43     vfprintf(stderr, s, ap);
  44     fprintf(stderr, "\n");
  45     va_end(ap);
  46     exit(2);
  47 }
  48
  49 char *strmake(const char *fmt, ...)
  50 {
  51     int n, size = 100;
  52     char *p;
  53     va_list ap;
  54
  55     if ((p = malloc (size)) == NULL)
  56         error("Can not malloc %d bytes.", size);
  57
  58     while (1)
  59     {
  60         va_start(ap, fmt);
  61         n = vsnprintf (p, size, fmt, ap);
  62         va_end(ap);
  63         if (n > -1 && n < size) return p;
  64         size *= 2;
  65         if ((p = realloc (p, size)) == NULL)
  66             error("Can not realloc %d bytes.", size);
  67     }
  68 }
  69
  70 void spawn(char *const argv[])
  71 {
  72     int i, status;
  73
  74     if (verbose)
  75     {
  76         for(i = 0; argv[i]; i++) printf("%s ", argv[i]);
  77         printf("\n");
  78     }
  79     if (!(status = spawnvp( _P_WAIT, argv[0], argv))) return;
  80
  81     if (status > 0) error("%s failed.", argv[0]);
  82     else perror("Error:");
  83     exit(3);
  84 }
  85
  86 int strendswith(const char *str, const char *end)
  87 {
  88     int l = strlen(str);
  89     int m = strlen(end);
  90
  91     return l >= m && strcmp(str + l - m, end) == 0;
  92 }
  93
  94 void clean_temp_files()
  95 {
  96     int i;
  97
  98     if (keep_generated) return;
  99
 100     for (i = 0; i < nb_tmp_files; i++)
 101         unlink(tmp_files[i]);
 102 }
 103
 104 char *get_temp_file(const char *suffix)
 105 {
 106     char *tmp = strmake("wgcc.XXXXXX%s", suffix);
 107     int fd = mkstemps( tmp, strlen(suffix) );
 108     if (fd == -1)
 109     {
 110         /* could not create it in current directory, try in /tmp */
 111         free(tmp);
 112         tmp = strmake("/tmp/wgcc.XXXXXX%s", suffix);
 113         fd = mkstemps( tmp, strlen(suffix) );
 114         if (fd == -1) error( "could not create temp file" );
 115     }
 116     close( fd );
 117     tmp_files = realloc( tmp_files, (nb_tmp_files+1) * sizeof(*tmp_files) );
 118     tmp_files[nb_tmp_files++] = tmp;
 119
 120     return tmp;
 121 }
 122
 123 char *get_obj_file(char **argv, int n)
 124 {
 125     char *tmpobj, **compargv;
 126     int i, j;
 127
 128     if (strendswith(argv[n], ".o")) return argv[n];
 129     if (strendswith(argv[n], ".a")) return argv[n];
 130     if (strendswith(argv[n], ".res")) return argv[n];
 131
 132     tmpobj = get_temp_file(".o");
 133     compargv = malloc(sizeof(char*) * (n + 10));
 134     i = 0;
 135     compargv[i++] = BINDIR "/winegcc";
 136     compargv[i++] = "-c";
 137     compargv[i++] = "-o";
 138     compargv[i++] = tmpobj;
 139     for (j = 1; j <= n; j++)
 140         if (argv[j]) compargv[i++] = argv[j];
 141     compargv[i] = 0;
 142
 143     spawn(compargv);
 144
 145     return tmpobj;
 146 }
 147
 148
 149 int main(int argc, char **argv)
 150 {
 151     char **gcc_argv;
 152     int i, j;
 153     int linking = 1, cpp = 0, use_static_linking = 0;
 154     int use_stdinc = 1, use_stdlib = 1, use_msvcrt = 0, gui_app = 0;
 155
 156     atexit(clean_temp_files);
 157
 158     if (strendswith(argv[0], "++")) cpp = 1;
 159
 160     for ( i = 1 ; i < argc ; i++ )
 161     {
 162         if (argv[i][0] == '-')  /* option */
 163         {
 164             switch (argv[i][1])
 165             {
 166                 case 'c':        /* compile or assemble */
 167                 case 'S':        /* generate assembler code */
 168                 case 'E':        /* preprocess only */
 169                     if (argv[i][2] == 0) linking = 0;
 170                     break;
 171                 case 'M':        /* map file generation */
 172                     linking = 0;
 173                     break;
 174                 case 'm':
 175                     if (strcmp("-mno-cygwin", argv[i]) == 0)
 176                         use_msvcrt = 1;
 177                     else if (strcmp("-mwindows", argv[i]) == 0)
 178                         gui_app = 1;
 179                     break;
 180                 case 'n':
 181                     if (strcmp("-nostdinc", argv[i]) == 0)
 182                         use_stdinc = 0;
 183                     else if (strcmp("-nodefaultlibs", argv[i]) == 0)
 184                         use_stdlib = 0;
 185                     else if (strcmp("-nostdlib", argv[i]) == 0)
 186                         use_stdlib = 0;
 187                     break;
 188                 case 's':
 189                     if (strcmp("-static", argv[i]) == 0) use_static_linking = 1;
 190                     break;
 191                 case 'v':        /* verbose */
 192                     if (argv[i][2] == 0) verbose = 1;
 193                     break;
 194                 case 'V':
 195                     printf("winegcc v0.3\n");
 196                     exit(0);
 197                     break;
 198                 case 'W':
 199                     if (strncmp("-Wl,", argv[i], 4) == 0)
 200                     {
 201                         if (strstr(argv[i], "-static"))
 202                             use_static_linking = 1;
 203                     }
 204                     break;
 205                 case '-':
 206                     if (strcmp("-static", argv[i]+1) == 0)
 207                         use_static_linking = 1;
 208                     break;
 209             }
 210         }
 211     }
 212
 213     if (use_static_linking) error("Static linking is not supported.");
 214
 215     gcc_argv = malloc(sizeof(char*) * (argc + 20));
 216
 217     i = 0;
 218     if (linking)
 219     {
 220         int has_output_name = 0;
 221
 222         gcc_argv[i++] = BINDIR "/winewrap";
 223         if (gui_app) gcc_argv[i++] = "-mgui";
 224
 225         if (cpp) gcc_argv[i++] = "-C";
 226         for ( j = 1 ; j < argc ; j++ )
 227         {
 228             if ( argv[j][0] == '-' )
 229             {
 230                 switch (argv[j][1])
 231                 {
 232                 case 'L':
 233                 case 'o':
 234                     gcc_argv[i++] = argv[j];
 235                     argv[j] = 0;
 236                     if (!gcc_argv[i-1][2] && j + 1 < argc)
 237                     {
 238                         gcc_argv[i++] = argv[++j];
 239                         argv[j] = 0;
 240                     }
 241                     has_output_name = 1;
 242                     break;
 243                 case 'l':
 244                     gcc_argv[i++] = strcmp(argv[j], "-luuid") ? argv[j] : "-lwine_uuid";
 245                     argv[j] = 0;
 246                     break;
 247                 default:
 248                     ; /* ignore the rest */
 249                 }
 250             }
 251             else
 252             {
 253                 gcc_argv[i++] = get_obj_file(argv, j);
 254                 argv[j] = 0;
 255             }
 256
 257             /* Support the a.out default name, to appease configure */
 258             if (!has_output_name)
 259             {
 260                 gcc_argv[i++] = "-o";
 261                 gcc_argv[i++] = "a.out";
 262             }
 263         }
 264         if (use_stdlib && use_msvcrt) gcc_argv[i++] = "-lmsvcrt";
 265         if (gui_app) gcc_argv[i++] = "-lcomdlg32";
 266         gcc_argv[i++] = "-ladvapi32";
 267         gcc_argv[i++] = "-lshell32";
 268     }
 269     else
 270     {
 271         gcc_argv[i++] = cpp ? "g++" : "gcc";
 272
 273         gcc_argv[i++] = "-fshort-wchar";
 274         gcc_argv[i++] = "-fPIC";
 275         if (use_stdinc)
 276         {
 277             if (use_msvcrt)
 278             {
 279                 gcc_argv[i++] = "-I" INCLUDEDIR "/msvcrt";
 280                 gcc_argv[i++] = "-D__MSVCRT__";
 281             }
 282             gcc_argv[i++] = "-I" INCLUDEDIR "/windows";
 283         }
 284         gcc_argv[i++] = "-DWIN32";
 285         gcc_argv[i++] = "-D_WIN32";
 286         gcc_argv[i++] = "-D__WIN32";
 287         gcc_argv[i++] = "-D__WIN32__";
 288         gcc_argv[i++] = "-D__WINNT";
 289         gcc_argv[i++] = "-D__WINNT__";
 290
 291         gcc_argv[i++] = "-D__stdcall=__attribute__((__stdcall__))";
 292         gcc_argv[i++] = "-D__cdecl=__attribute__((__cdecl__))";
 293         gcc_argv[i++] = "-D__fastcall=__attribute__((__fastcall__))";
 294         gcc_argv[i++] = "-D_stdcall=__attribute__((__stdcall__))";
 295         gcc_argv[i++] = "-D_cdecl=__attribute__((__cdecl__))";
 296         gcc_argv[i++] = "-D_fastcall=__attribute__((__fastcall__))";
 297         gcc_argv[i++] = "-D__declspec(x)=__attribute__((x))";
 298
 299         /* Wine specific defines */
 300         gcc_argv[i++] = "-D__WINE__";
 301         gcc_argv[i++] = "-DWINE_UNICODE_NATIVE";
 302         gcc_argv[i++] = "-D__int8=char";
 303         gcc_argv[i++] = "-D__int16=short";
 304         gcc_argv[i++] = "-D__int32=int";
 305         gcc_argv[i++] = "-D__int64=long long";
 306
 307         for ( j = 1 ; j < argc ; j++ )
 308         {
 309             if (strcmp("-mno-cygwin", argv[j]) == 0)
 310                 ; /* ignore this option */
 311             else if (strcmp("-mwindows", argv[j]) == 0)
 312                 ; /* ignore this option */
 313             else if (strncmp("-Wl,", argv[j], 4) == 0)
 314                 ; /* do not pass linking options to compiler */
 315             else if (strcmp("-s", argv[j]) == 0)
 316                 ; /* ignore this option */
 317             else
 318                 gcc_argv[i++] = argv[j];
 319         }
 320     }
 321
 322     gcc_argv[i] = NULL;
 323
 324     spawn(gcc_argv);
 325
 326     return 0;
 327 }