glib/gversionmacros.h

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GLib Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __G_VERSION_MACROS_H__
  28 #define __G_VERSION_MACROS_H__
  29
  30 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  31 #error "Only <glib.h> can be included directly."
  32 #endif
  33
  34 /* Version boundaries checks */
  35
  36 #define G_ENCODE_VERSION(major,minor)   ((major) << 16 | (minor) << 8)
  37
  38 /* XXX: Every new stable minor release bump should add a macro here */
  39
  40 /**
  41  * GLIB_VERSION_2_26:
  42  *
  43  * A macro that evaluates to the 2.26 version of GLib, in a format
  44  * that can be used by the C pre-processor.
  45  *
  46  * Since: 2.32
  47  */
  48 #define GLIB_VERSION_2_26       (G_ENCODE_VERSION (2, 26))
  49
  50 /**
  51  * GLIB_VERSION_2_28:
  52  *
  53  * A macro that evaluates to the 2.28 version of GLib, in a format
  54  * that can be used by the C pre-processor.
  55  *
  56  * Since: 2.32
  57  */
  58 #define GLIB_VERSION_2_28       (G_ENCODE_VERSION (2, 28))
  59
  60 /**
  61  * GLIB_VERSION_2_30:
  62  *
  63  * A macro that evaluates to the 2.30 version of GLib, in a format
  64  * that can be used by the C pre-processor.
  65  *
  66  * Since: 2.32
  67  */
  68 #define GLIB_VERSION_2_30       (G_ENCODE_VERSION (2, 30))
  69
  70 /**
  71  * GLIB_VERSION_2_32:
  72  *
  73  * A macro that evaluates to the 2.32 version of GLib, in a format
  74  * that can be used by the C pre-processor.
  75  *
  76  * Since: 2.32
  77  */
  78 #define GLIB_VERSION_2_32       (G_ENCODE_VERSION (2, 32))
  79
  80 /**
  81  * GLIB_VERSION_2_34:
  82  *
  83  * A macro that evaluates to the 2.34 version of GLib, in a format
  84  * that can be used by the C pre-processor.
  85  *
  86  * Since: 2.34
  87  */
  88 #define GLIB_VERSION_2_34       (G_ENCODE_VERSION (2, 34))
  89
  90 /**
  91  * GLIB_VERSION_2_36:
  92  *
  93  * A macro that evaluates to the 2.36 version of GLib, in a format
  94  * that can be used by the C pre-processor.
  95  *
  96  * Since: 2.36
  97  */
  98 #define GLIB_VERSION_2_36       (G_ENCODE_VERSION (2, 36))
  99
 100 /**
 101  * GLIB_VERSION_2_38:
 102  *
 103  * A macro that evaluates to the 2.38 version of GLib, in a format
 104  * that can be used by the C pre-processor.
 105  *
 106  * Since: 2.38
 107  */
 108 #define GLIB_VERSION_2_38       (G_ENCODE_VERSION (2, 38))
 109
 110 /* evaluates to the current stable version; for development cycles,
 111  * this means the next stable target
 112  */
 113 #if (GLIB_MINOR_VERSION % 2)
 114 #define GLIB_VERSION_CUR_STABLE         (G_ENCODE_VERSION (GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION + 1))
 115 #else
 116 #define GLIB_VERSION_CUR_STABLE         (G_ENCODE_VERSION (GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION))
 117 #endif
 118
 119 /* evaluates to the previous stable version */
 120 #if (GLIB_MINOR_VERSION % 2)
 121 #define GLIB_VERSION_PREV_STABLE        (G_ENCODE_VERSION (GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION - 1))
 122 #else
 123 #define GLIB_VERSION_PREV_STABLE        (G_ENCODE_VERSION (GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION - 2))
 124 #endif
 125
 126 /**
 127  * GLIB_VERSION_MIN_REQUIRED:
 128  *
 129  * A macro that should be defined by the user prior to including
 130  * the glib.h header.
 131  * The definition should be one of the predefined GLib version
 132  * macros: %GLIB_VERSION_2_26, %GLIB_VERSION_2_28,...
 133  *
 134  * This macro defines the earliest version of GLib that the package is
 135  * required to be able to compile against.
 136  *
 137  * If the compiler is configured to warn about the use of deprecated
 138  * functions, then using functions that were deprecated in version
 139  * %GLIB_VERSION_MIN_REQUIRED or earlier will cause warnings (but
 140  * using functions deprecated in later releases will not).
 141  *
 142  * Since: 2.32
 143  */
 144 /* If the package sets GLIB_VERSION_MIN_REQUIRED to some future
 145  * GLIB_VERSION_X_Y value that we don't know about, it will compare as
 146  * 0 in preprocessor tests.
 147  */
 148 #ifndef GLIB_VERSION_MIN_REQUIRED
 149 # define GLIB_VERSION_MIN_REQUIRED      (GLIB_VERSION_CUR_STABLE)
 150 #elif GLIB_VERSION_MIN_REQUIRED == 0
 151 # undef  GLIB_VERSION_MIN_REQUIRED
 152 # define GLIB_VERSION_MIN_REQUIRED      (GLIB_VERSION_CUR_STABLE + 2)
 153 #endif
 154
 155 /**
 156  * GLIB_VERSION_MAX_ALLOWED:
 157  *
 158  * A macro that should be defined by the user prior to including
 159  * the glib.h header.
 160  * The definition should be one of the predefined GLib version
 161  * macros: %GLIB_VERSION_2_26, %GLIB_VERSION_2_28,...
 162  *
 163  * This macro defines the latest version of the GLib API that the
 164  * package is allowed to make use of.
 165  *
 166  * If the compiler is configured to warn about the use of deprecated
 167  * functions, then using functions added after version
 168  * %GLIB_VERSION_MAX_ALLOWED will cause warnings.
 169  *
 170  * Unless you are using GLIB_CHECK_VERSION() or the like to compile
 171  * different code depending on the GLib version, then this should be
 172  * set to the same value as %GLIB_VERSION_MIN_REQUIRED.
 173  *
 174  * Since: 2.32
 175  */
 176 #if !defined (GLIB_VERSION_MAX_ALLOWED) || (GLIB_VERSION_MAX_ALLOWED == 0)
 177 # undef GLIB_VERSION_MAX_ALLOWED
 178 # define GLIB_VERSION_MAX_ALLOWED      (GLIB_VERSION_CUR_STABLE)
 179 #endif
 180
 181 /* sanity checks */
 182 #if GLIB_VERSION_MIN_REQUIRED > GLIB_VERSION_CUR_STABLE
 183 #error "GLIB_VERSION_MIN_REQUIRED must be <= GLIB_VERSION_CUR_STABLE"
 184 #endif
 185 #if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_MIN_REQUIRED
 186 #error "GLIB_VERSION_MAX_ALLOWED must be >= GLIB_VERSION_MIN_REQUIRED"
 187 #endif
 188 #if GLIB_VERSION_MIN_REQUIRED < GLIB_VERSION_2_26
 189 #error "GLIB_VERSION_MIN_REQUIRED must be >= GLIB_VERSION_2_26"
 190 #endif
 191
 192 /* These macros are used to mark deprecated functions in GLib headers,
 193  * and thus have to be exposed in installed headers. But please
 194  * do *not* use them in other projects. Instead, use G_DEPRECATED
 195  * or define your own wrappers around it.
 196  */
 197 #define GLIB_AVAILABLE_IN_ALL                   _GLIB_EXTERN
 198
 199 /* XXX: Every new stable minor release should add a set of macros here */
 200
 201 #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_26
 202 # define GLIB_DEPRECATED_IN_2_26                GLIB_DEPRECATED
 203 # define GLIB_DEPRECATED_IN_2_26_FOR(f)         GLIB_DEPRECATED_FOR(f)
 204 #else
 205 # define GLIB_DEPRECATED_IN_2_26                _GLIB_EXTERN
 206 # define GLIB_DEPRECATED_IN_2_26_FOR(f)         _GLIB_EXTERN
 207 #endif
 208
 209 #if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_2_26
 210 # define GLIB_AVAILABLE_IN_2_26                 GLIB_UNAVAILABLE(2, 26)
 211 #else
 212 # define GLIB_AVAILABLE_IN_2_26                 _GLIB_EXTERN
 213 #endif
 214
 215 #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_28
 216 # define GLIB_DEPRECATED_IN_2_28                GLIB_DEPRECATED
 217 # define GLIB_DEPRECATED_IN_2_28_FOR(f)         GLIB_DEPRECATED_FOR(f)
 218 #else
 219 # define GLIB_DEPRECATED_IN_2_28                _GLIB_EXTERN
 220 # define GLIB_DEPRECATED_IN_2_28_FOR(f)         _GLIB_EXTERN
 221 #endif
 222
 223 #if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_2_28
 224 # define GLIB_AVAILABLE_IN_2_28                 GLIB_UNAVAILABLE(2, 28)
 225 #else
 226 # define GLIB_AVAILABLE_IN_2_28                 _GLIB_EXTERN
 227 #endif
 228
 229 #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_30
 230 # define GLIB_DEPRECATED_IN_2_30                GLIB_DEPRECATED
 231 # define GLIB_DEPRECATED_IN_2_30_FOR(f)         GLIB_DEPRECATED_FOR(f)
 232 #else
 233 # define GLIB_DEPRECATED_IN_2_30                _GLIB_EXTERN
 234 # define GLIB_DEPRECATED_IN_2_30_FOR(f)         _GLIB_EXTERN
 235 #endif
 236
 237 #if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_2_30
 238 # define GLIB_AVAILABLE_IN_2_30                 GLIB_UNAVAILABLE(2, 30)
 239 #else
 240 # define GLIB_AVAILABLE_IN_2_30                 _GLIB_EXTERN
 241 #endif
 242
 243 #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_32
 244 # define GLIB_DEPRECATED_IN_2_32                GLIB_DEPRECATED
 245 # define GLIB_DEPRECATED_IN_2_32_FOR(f)         GLIB_DEPRECATED_FOR(f)
 246 #else
 247 # define GLIB_DEPRECATED_IN_2_32                _GLIB_EXTERN
 248 # define GLIB_DEPRECATED_IN_2_32_FOR(f)         _GLIB_EXTERN
 249 #endif
 250
 251 #if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_2_32
 252 # define GLIB_AVAILABLE_IN_2_32                 GLIB_UNAVAILABLE(2, 32)
 253 #else
 254 # define GLIB_AVAILABLE_IN_2_32                 _GLIB_EXTERN
 255 #endif
 256
 257 #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_34
 258 # define GLIB_DEPRECATED_IN_2_34                GLIB_DEPRECATED
 259 # define GLIB_DEPRECATED_IN_2_34_FOR(f)         GLIB_DEPRECATED_FOR(f)
 260 #else
 261 # define GLIB_DEPRECATED_IN_2_34                _GLIB_EXTERN
 262 # define GLIB_DEPRECATED_IN_2_34_FOR(f)         _GLIB_EXTERN
 263 #endif
 264
 265 #if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_2_34
 266 # define GLIB_AVAILABLE_IN_2_34                 GLIB_UNAVAILABLE(2, 34)
 267 #else
 268 # define GLIB_AVAILABLE_IN_2_34                 _GLIB_EXTERN
 269 #endif
 270
 271 #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_36
 272 # define GLIB_DEPRECATED_IN_2_36                GLIB_DEPRECATED
 273 # define GLIB_DEPRECATED_IN_2_36_FOR(f)         GLIB_DEPRECATED_FOR(f)
 274 #else
 275 # define GLIB_DEPRECATED_IN_2_36                _GLIB_EXTERN
 276 # define GLIB_DEPRECATED_IN_2_36_FOR(f)         _GLIB_EXTERN
 277 #endif
 278
 279 #if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_2_36
 280 # define GLIB_AVAILABLE_IN_2_36                 GLIB_UNAVAILABLE(2, 36)
 281 #else
 282 # define GLIB_AVAILABLE_IN_2_36                 _GLIB_EXTERN
 283 #endif
 284
 285 #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_38
 286 # define GLIB_DEPRECATED_IN_2_38                GLIB_DEPRECATED
 287 # define GLIB_DEPRECATED_IN_2_38_FOR(f)         GLIB_DEPRECATED_FOR(f)
 288 #else
 289 # define GLIB_DEPRECATED_IN_2_38                _GLIB_EXTERN
 290 # define GLIB_DEPRECATED_IN_2_38_FOR(f)         _GLIB_EXTERN
 291 #endif
 292
 293 #if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_2_38
 294 # define GLIB_AVAILABLE_IN_2_38                 GLIB_UNAVAILABLE(2, 38)
 295 #else
 296 # define GLIB_AVAILABLE_IN_2_38                 _GLIB_EXTERN
 297 #endif
 298
 299 #endif /*  __G_VERSION_MACROS_H__ */