src/s/aix4-2.h

   1 /*
   2 Copyright (C) 1999, 2001-2012  Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software: you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation, either version 3 of the License, or
   9 (at your option) any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 /* Define symbols to identify the version of Unix this is.
  20    Define all the symbols that apply correctly.  */
  21 #define USG                             /* System III, System V, etc */
  22 #define USG5
  23
  24 /* This symbol should be defined on AIX Version 3  ??????? */
  25 #ifndef _AIX
  26 #define _AIX
  27 #endif
  28
  29 \f
  30 /* Special items needed to make Emacs run on this system.  */
  31
  32 /* Perry Smith <pedz@ddivt1.austin.ibm.com> says these are correct.  */
  33 #undef sigmask
  34
  35 /* Conservative garbage collection has not been tested, so for now
  36    play it safe and stick with the old-fashioned way of marking.  */
  37 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE