code.delx.au - gnu-emacs/blob - 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, 2011  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 #ifndef UNEXEC
  36 #define UNEXEC unexaix.o
  37 #endif
  38
  39 /* Define addresses, macros, change some setup for dump */
  40
  41 #define NO_REMAP
  42
  43 /* The data segment in this machine always starts at address 0x20000000.
  44    An address of data cannot be stored correctly in a Lisp object;
  45    we always lose the high bits.  We must tell XPNTR to add them back.  */
  46
  47 #ifndef USG5_4
  48 #define TEXT_START 0x10000000
  49 #define DATA_START 0x20000000
  50 #define WORDS_BIG_ENDIAN
  51 #define DATA_SEG_BITS 0x20000000
  52
  53 /* sfreed@unm.edu says add -bI:/usr/lpp/X11/bin/smt.exp for AIX 3.2.4.  */
  54 /* marc@sti.com (Marc Pawliger) says ibmrs6000.inp is needed to avoid
  55    linker error for updated X11R5 libraries, which references pthread library
  56    which most machines don't have.  We use the name .inp instead of .imp
  57    because .inp is a better convention to use in make-dist for naming
  58    random input files.  */
  59 #ifdef THIS_IS_MAKEFILE /* Don't use this in configure.  */
  60 #define LD_SWITCH_MACHINE -Wl,-bnodelcsect
  61 #endif /* THIS_IS_MAKEFILE */
  62
  63 #ifndef NLIST_STRUCT
  64 /* AIX supposedly doesn't use this interface, but on the RS/6000
  65    it apparently does.  */
  66 #define NLIST_STRUCT
  67 #endif
  68
  69 /* -lpthreads seems to be necessary for Xlib in X11R6, and should be harmless
  70    on older versions of X where it happens to exist.  */
  71 #ifdef HAVE_LIBPTHREADS
  72 #define LIBS_MACHINE -lrts -lIM -liconv -lpthreads
  73 #else
  74 /* IBM's X11R5 use -lIM and -liconv in AIX 3.2.2.  */
  75 #define LIBS_MACHINE -lrts -lIM -liconv
  76 #endif
  77
  78 #else /* USG5_4 */
  79 #undef WORDS_BIG_ENDIAN
  80 #define DATA_SEG_BITS 0
  81 #define LIBS_MACHINE
  82 #endif /* USG5_4 */
  83
  84 #undef ADDR_CORRECT
  85 #define ADDR_CORRECT(x) ((int)(x))
  86
  87 #define START_FILES
  88 /*** BUILD 9008 - FIONREAD problem still exists in X-Windows. ***/
  89 #define BROKEN_FIONREAD
  90 /* As we define BROKEN_FIONREAD, SIGIO will be undefined in systty.h.
  91    But, on AIX, SIGAIO, SIGPTY, and SIGPOLL are defined as SIGIO,
  92    which causes compilation error at init_signals in sysdep.c.  So, we
  93    define these macros so that syssignal.h detects them and undefine
  94    SIGAIO, SIGPTY and SIGPOLL.  */
  95 #define BROKEN_SIGAIO
  96 #define BROKEN_SIGPTY
  97 #define BROKEN_SIGPOLL
  98
  99 #define ORDINARY_LINK
 100
 101 /* arch-tag: 028318ee-a7ae-4a08-804d-cc1e6588d003
 102    (do not change this comment) */