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1 /* Helper routines for cygwin-specific command-line parsing.
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2 Contributed by Christopher Faylor (cgf@redhat.com)
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3 Copyright 2003, 2007 Free Software Foundation, Inc.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #include "config.h"
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22 #include "system.h"
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23 #include "coretypes.h"
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24 #include "tm.h"
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25
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26 #include "safe-ctype.h"
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27 #include <string.h>
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28
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29 /*
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30 static void remove_w32api (void);
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31 */
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32 static void add_mingw (void);
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33 static void set_mingw (void) __attribute__ ((constructor));
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34
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35 static void
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36 add_mingw (void)
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37 {
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38 char **av;
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39 char *p;
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40 for (av = cvt_to_mingw; *av; av++)
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41 {
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42 int sawcygwin = 0;
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43 while ((p = strstr (*av, "-cygwin")))
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44 {
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45 char *over = p + sizeof ("-cygwin") - 1;
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46 memmove (over + 1, over, strlen (over));
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47 memcpy (p, "-mingw32", sizeof("-mingw32") - 1);
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48 p = ++over;
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49 while (ISALNUM (*p))
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50 p++;
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51 strcpy (over, p);
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52 sawcygwin = 1;
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53 }
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54 if (!sawcygwin && !strstr (*av, "mingw"))
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55 strcat (*av, CYGWIN_MINGW_SUBDIR);
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56 }
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57 }
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58
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59
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60 static void
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61 set_mingw (void)
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62 {
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63 char *env = getenv ("GCC_CYGWIN_MINGW");
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64 if (env && *env == '1')
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65 add_mingw ();
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66 }
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