src/m/ibmrs6000.h

   1 /* R2 AIX machine/system dependent defines
   2    Copyright (C) 1988, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
   3                  2008, 2009, 2010  Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs 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 3 of the License, or
  10 (at your option) any later version.
  11
  12 GNU Emacs 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 GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20
  21 /* The following line tells the configuration script what sort of
  22    operating system this machine is likely to run.
  23    USUAL-OPSYS="aix3-1"  */
  24
  25 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  26  * group of arguments and treat it as an array of the arguments.  */
  27
  28 #define NO_ARG_ARRAY
  29
  30 /* Now define a symbol for the cpu type, if your compiler
  31    does not define it automatically.  */
  32
  33 #define IBMR2AIX
  34
  35 /* The data segment in this machine always starts at address 0x20000000.
  36    An address of data cannot be stored correctly in a Lisp object;
  37    we always lose the high bits.  We must tell XPNTR to add them back.  */
  38
  39 #define TEXT_START 0x10000000
  40 #define DATA_START 0x20000000
  41 #define WORDS_BIG_ENDIAN
  42 #define DATA_SEG_BITS 0x20000000
  43
  44 /* sfreed@unm.edu says add -bI:/usr/lpp/X11/bin/smt.exp for AIX 3.2.4.  */
  45 /* marc@sti.com (Marc Pawliger) says ibmrs6000.inp is needed to avoid
  46    linker error for updated X11R5 libraries, which references pthread library
  47    which most machines don't have.  We use the name .inp instead of .imp
  48    because .inp is a better convention to use in make-dist for naming
  49    random input files.  */
  50 #ifdef THIS_IS_MAKEFILE /* Don't use this in configure.  */
  51 #define LD_SWITCH_MACHINE -Wl,-bnodelcsect
  52 #endif /* THIS_IS_MAKEFILE */
  53
  54 #ifndef NLIST_STRUCT
  55 /* AIX supposedly doesn't use this interface, but on the RS/6000
  56    it apparently does.  */
  57 #define NLIST_STRUCT
  58 #endif
  59
  60 /* -lpthreads seems to be necessary for Xlib in X11R6, and should be harmless
  61    on older versions of X where it happens to exist.  */
  62 #ifdef HAVE_LIBPTHREADS
  63 #define LIBS_MACHINE -lrts -lIM -liconv -lpthreads
  64 #else
  65 /* IBM's X11R5 use -lIM and -liconv in AIX 3.2.2.  */
  66 #define LIBS_MACHINE -lrts -lIM -liconv
  67 #endif
  68
  69 #undef ADDR_CORRECT
  70 #define ADDR_CORRECT(x) ((int)(x))
  71
  72 #define START_FILES
  73 /*** BUILD 9008 - FIONREAD problem still exists in X-Windows. ***/
  74 #define BROKEN_FIONREAD
  75 /* As we define BROKEN_FIONREAD, SIGIO will be undefined in systty.h.
  76    But, on AIX, SIGAIO, SIGPTY, and SIGPOLL are defined as SIGIO,
  77    which causes compilation error at init_signals in sysdep.c.  So, we
  78    define these macros so that syssignal.h detects them and undefine
  79    SIGAIO, SIGPTY and SIGPOLL.  */
  80 #define BROKEN_SIGAIO
  81 #define BROKEN_SIGPTY
  82 #define BROKEN_SIGPOLL
  83
  84 #define ORDINARY_LINK
  85
  86 /* arch-tag: 028318ee-a7ae-4a08-804d-cc1e6588d003
  87    (do not change this comment) */