annotate src/s/cygwin64.h @ 5923:61d7d7bcbe76 cygwin

merged heads after pull -u
author Henry Thompson <ht@markup.co.uk>
date Thu, 05 Feb 2015 17:19:05 +0000
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1 /* system description file for cygwin32.
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2 Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 2001 Ben Wing.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software: you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation, either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 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 XEmacs. If not, see <http://www.gnu.org/licenses/>. */
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19
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20 /* Building under cygwin
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21 *
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22 * The approach I have taken with this port is to use primarily the
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23 * UNIX code base adding stuff that is MS-Windows specific. This works
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24 * quite well, and is in keeping with my perception of the cygwin
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25 * philosophy. Note that if you make changes to this file you do NOT
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26 * want to define WIN32_NATIVE (formerly "WINDOWSNT"), I repeat - do
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27 * not define this, it will break everything horribly. What does get
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28 * defined is HAVE_MS_WINDOWS, but this is done by configure and only
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29 * applies to the window system.
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30 *
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31 * When building make sure your HOME path is unix style - i.e. without
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32 * a drive letter.
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33 *
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34 * once you have done this, configure and make.
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35 *
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36 * windows '95 - I haven't tested this under '95, it will probably
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37 * build but I know there are some limitations with cygwin under 95 so
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38 * YMMV. I build with NT4 SP3.
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39 *
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40 * Andy Piper <andy@xemacs.org> 8/1/98
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41 * http://www.xemacs.freeserve.co.uk/ */
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42
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43 #include "win32-common.h"
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44
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45 /* Identify ourselves */
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46 #define CYGWIN
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47
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48 /* We are using Cygwin-style headers in /usr/include, also used by MinGW */
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49 #define CYGWIN_HEADERS
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50
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51 /* cheesy way to determine cygwin version */
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52 #ifndef NOT_C_CODE
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53 # include <signal.h>
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54 # include <cygwin/version.h>
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55
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56 /* Still left out of 1.1! */
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57 double logb (double);
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58 int killpg (int pgrp, int sig);
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59
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60 #endif
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61
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62 #ifndef ORDINARY_LINK
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63 #define ORDINARY_LINK
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64 #endif
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65
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66 #if __GNUC__ >= 3
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67 #define C_SWITCH_SYSTEM -fno-caller-saves
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68 #else
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69 #define C_SWITCH_SYSTEM -fno-caller-saves -fvtable-thunks
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70 #endif
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71
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72 #define LIBS_SYSTEM -lwinmm
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73 #define WIN32_LEAN_AND_MEAN
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74
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75 #define TEXT_START -1
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76 #define HEAP_IN_DATA
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77 #define NO_LIM_DATA
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78
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79 #define BROKEN_SIGIO
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80
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81 #define CYGWIN_BROKEN_SIGNALS
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82
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83 #define strnicmp strncasecmp
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84
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85 #undef MAIL_USE_SYSTEM_LOCK
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86
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87 /* SYSTEM_TYPE should indicate the kind of system you are using.
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88 It sets the Lisp variable system-type. */
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89
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90 #define SYSTEM_TYPE "cygwin32"
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91
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92 /* Cygwin bogusly forgets to copy mmap()ed regions into the child when
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93 a fork is done; thus, any reference to anything in mmap()ed space
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94 (under PDUMP, in particular, this bites, since all data loaded from
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95 PDUMP is normally done using mmap()) will cause an immediate segfault. */
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96 #undef HAVE_MMAP