1 /* Helper routines for cygwin-specific command-line parsing.
2 Contributed by Christopher Faylor (cgf@redhat.com)
3 Copyright 2003 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
27 #include "safe-ctype.h"
28 #include <string.h>
29
30 /*
31 static void remove_w32api (void);
32 */
33 static void add_mingw (void);
34 static void set_mingw (void) __attribute__ ((constructor));
35
36 static void
add_mingw(void)37 add_mingw (void)
38 {
39 char **av;
40 char *p;
41 for (av = cvt_to_mingw; *av; av++)
42 {
43 int sawcygwin = 0;
44 while ((p = strstr (*av, "-cygwin")))
45 {
46 char *over = p + sizeof ("-cygwin") - 1;
47 memmove (over + 1, over, strlen (over));
48 memcpy (p, "-mingw32", sizeof("-mingw32") - 1);
49 p = ++over;
50 while (ISALNUM (*p))
51 p++;
52 strcpy (over, p);
53 sawcygwin = 1;
54 }
55 if (!sawcygwin && !strstr (*av, "mingw"))
56 strcat (*av, CYGWIN_MINGW_SUBDIR);
57 }
58 }
59
60
61 static void
set_mingw(void)62 set_mingw (void)
63 {
64 char *env = getenv ("GCC_CYGWIN_MINGW");
65 if (env && *env == '1')
66 add_mingw ();
67 }
68