src/conf_post.h

   1 /* conf_post.h --- configure.ac includes this via AH_BOTTOM
   2
   3 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
   4   Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 /* Commentary:
  22
  23    Rather than writing this code directly in AH_BOTTOM, we include it
  24    via this file.  This is so that it does not get processed by
  25    autoheader.  Eg, any undefs here would otherwise be commented out.
  26 */
  27
  28 /* Code: */
  29
  30 /* On AIX 3 this must be included before any other include file.  */
  31 #include <alloca.h>
  32 #if ! HAVE_ALLOCA
  33 # error "alloca not available on this machine"
  34 #endif
  35
  36 #ifdef SIGNAL_H_AHB
  37 #undef SIGNAL_H_AHB
  38 #include <signal.h>
  39 #endif
  40
  41 /* This silences a few compilation warnings on FreeBSD.  */
  42 #ifdef BSD_SYSTEM_AHB
  43 #undef BSD_SYSTEM_AHB
  44 #undef BSD_SYSTEM
  45 #if __FreeBSD__ == 1
  46 #define BSD_SYSTEM 199103
  47 #elif __FreeBSD__ == 2
  48 #define BSD_SYSTEM 199306
  49 #elif __FreeBSD__ >= 3
  50 #define BSD_SYSTEM 199506
  51 #endif
  52 #endif
  53
  54 /* We have to go this route, rather than the old hpux9 approach of
  55    renaming the functions via macros.  The system's stdlib.h has fully
  56    prototyped declarations, which yields a conflicting definition of
  57    srand48; it tries to redeclare what was once srandom to be srand48.
  58    So we go with HAVE_LRAND48 being defined.  Note we also undef
  59    HAVE_RANDOM via configure.  */
  60 #ifdef HPUX
  61 #undef srandom
  62 #undef random
  63 #endif
  64
  65 /* Define AMPERSAND_FULL_NAME if you use the convention
  66    that & in the full name stands for the login id.  */
  67 /* Turned on June 1996 supposing nobody will mind it.  */
  68 #define AMPERSAND_FULL_NAME
  69
  70 /* `subprocesses' should be defined if you want to
  71    have code for asynchronous subprocesses
  72    (as used in M-x compile and M-x shell).
  73    Only MSDOS does not support this (it overrides
  74    this in its config_opsysfile below).  */
  75
  76 #define subprocesses
  77
  78 /* Include the os dependent file.  */
  79 #ifdef config_opsysfile
  80 # include config_opsysfile
  81 #endif
  82
  83 /* Mac OS X / GNUstep need a bit more pure memory.  Of the existing knobs,
  84    SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.  */
  85 #ifdef HAVE_NS
  86 #if defined NS_IMPL_GNUSTEP
  87 #  define SYSTEM_PURESIZE_EXTRA 30000
  88 #elif defined DARWIN_OS
  89 #  define SYSTEM_PURESIZE_EXTRA 200000
  90 #endif
  91 #endif
  92
  93 #ifdef emacs /* Don't do this for lib-src.  */
  94 /* Tell regex.c to use a type compatible with Emacs.  */
  95 #define RE_TRANSLATE_TYPE Lisp_Object
  96 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
  97 #ifdef make_number
  98 /* If make_number is a macro, use it.  */
  99 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
 100 #else
 101 /* If make_number is a function, avoid it.  */
 102 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
 103 #endif
 104 #endif
 105
 106 #include <string.h>
 107 #include <stdlib.h>
 108
 109 #if __GNUC__ >= 3  /* On GCC 3.0 we might get a warning.  */
 110 #define NO_INLINE __attribute__((noinline))
 111 #else
 112 #define NO_INLINE
 113 #endif
 114
 115 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
 116 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
 117 #else
 118 #define EXTERNALLY_VISIBLE
 119 #endif
 120
 121 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
 122 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
 123 #else
 124 # define ATTRIBUTE_FORMAT(spec) /* empty */
 125 #endif
 126
 127 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
 128 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
 129    ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
 130 #else
 131 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
 132    ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
 133 #endif
 134
 135 #define ATTRIBUTE_CONST _GL_ATTRIBUTE_CONST
 136
 137 /* Some versions of GNU/Linux define noinline in their headers.  */
 138 #ifdef noinline
 139 #undef noinline
 140 #endif
 141
 142 /* conf_post.h ends here */