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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, 2005, 2007, 2008 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 #include <string.h>
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26
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27 void
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28 mingw_scan (int argc ATTRIBUTE_UNUSED,
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29 const char *const *argv,
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30 const char **spec_machine)
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31 {
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32 putenv (xstrdup ("GCC_CYGWIN_MINGW=0"));
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33
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34 while (*++argv)
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35 if (strcmp (*argv, "-mno-win32") == 0)
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36 putenv (xstrdup ("GCC_CYGWIN_WIN32=0"));
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37 else if (strcmp (*argv, "-mwin32") == 0)
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38 putenv (xstrdup ("GCC_CYGWIN_WIN32=1"));
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39 else if (strcmp (*argv, "-mno-cygwin") == 0)
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40 {
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41 char *p = strstr (*spec_machine, "-cygwin");
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42 if (p)
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43 {
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44 int len = p - *spec_machine;
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45 char *s = XNEWVEC (char, strlen (*spec_machine) + 3);
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46 memcpy (s, *spec_machine, len);
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47 strcpy (s + len, "-mingw32");
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48 *spec_machine = s;
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49 }
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50 putenv (xstrdup ("GCC_CYGWIN_MINGW=1"));
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51 }
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52 return;
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53 }
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