1 /* Helper routines for cygwin-specific command-line parsing.
2 Contributed by Christopher Faylor (cgf@redhat.com)
3 Copyright 2003, 2005 Free Software Foundation, Inc.
4
5 This file is part of GCC.
6
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 GCC 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
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to
19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
21
22 #include "config.h"
23 #include "system.h"
24 #include "coretypes.h"
25 #include "tm.h"
26 #include <string.h>
27
28 void
mingw_scan(int argc ATTRIBUTE_UNUSED,const char * const * argv,char ** spec_machine)29 mingw_scan (int argc ATTRIBUTE_UNUSED,
30 const char *const *argv,
31 char **spec_machine)
32 {
33 putenv (xstrdup ("GCC_CYGWIN_MINGW=0"));
34
35 while (*++argv)
36 if (strcmp (*argv, "-mno-win32") == 0)
37 putenv (xstrdup ("GCC_CYGWIN_WIN32=0"));
38 else if (strcmp (*argv, "-mwin32") == 0)
39 putenv (xstrdup ("GCC_CYGWIN_WIN32=1"));
40 else if (strcmp (*argv, "-mno-cygwin") == 0)
41 {
42 char *p = strstr (*spec_machine, "-cygwin");
43 if (p)
44 {
45 int len = p - *spec_machine;
46 char *s = xmalloc (strlen (*spec_machine) + 3);
47 memcpy (s, *spec_machine, len);
48 strcpy (s + len, "-mingw32");
49 *spec_machine = s;
50 }
51 putenv (xstrdup ("GCC_CYGWIN_MINGW=1"));
52 }
53 return;
54 }
55