code.delx.au - gnu-emacs/blob - src/m/next.h

   1 /* Configuration file for the NeXT machine.
   2    Copyright (C) 1990, 2002, 2003, 2004, 2005,
   3                  2006 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 2, or (at your option)
  10 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; see the file COPYING.  If not, write to
  19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22
  23 /* Say this machine is a next if not previously defined */
  24
  25 #ifndef NeXT
  26 #define NeXT
  27 #endif
  28
  29 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  30    is the most significant byte.  */
  31
  32 /* Let the compiler tell us.  */
  33 #ifdef __BIG_ENDIAN__
  34 #define WORDS_BIG_ENDIAN
  35 #endif
  36
  37 /* Define how to take a char and sign-extend into an int.
  38    On machines where char is signed, this is a no-op.  */
  39
  40 #define SIGN_EXTEND_CHAR(c) (c)
  41
  42 /* Use type int rather than a union, to represent Lisp_Object */
  43
  44 #define NO_UNION_TYPE
  45
  46 /* XINT must explicitly sign-extend */
  47
  48 #define EXPLICIT_SIGN_EXTEND
  49
  50 /* Data type of load average, as read out of kmem.  */
  51
  52 #define LOAD_AVE_TYPE long
  53
  54 /* Convert that into an integer that is 100 for a load average of 1.0  */
  55
  56 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  57
  58 /* Say that the text segment of a.out includes the header;
  59    the header actually occupies the first few bytes of the text segment
  60    and is counted in hdr.a_text.  */
  61
  62 #define A_TEXT_OFFSET(HDR) sizeof (HDR)
  63
  64 /* Mask for address bits within a memory segment */
  65
  66 #define SEGSIZ 0x20000
  67 #define SEGMENT_MASK (SEGSIZ - 1)
  68
  69 #define SYSTEM_MALLOC
  70
  71 #define HAVE_UNIX_DOMAIN
  72
  73 #define LIB_X11_LIB -L/usr/lib/X11 -lX11
  74
  75 /* This avoids a problem in Xos.h when using co-Xist 3.01.  */
  76 #define X_NOT_POSIX
  77
  78 /* Conflicts in process.c between ioctl.h & tty.h use of t_foo fields */
  79
  80 #define NO_T_CHARS_DEFINES
  81
  82 /* Use our own unexec routines */
  83
  84 #define UNEXEC unexnext.o
  85
  86 /* We don't have a g library either, so override the -lg LIBS_DEBUG switch */
  87
  88 #define LIBS_DEBUG
  89
  90 /* We don't have a libgcc.a, so we can't let LIB_GCC default to -lgcc */
  91
  92 #define LIB_GCC
  93
  94 #if 0  /* ohl@chico.harvard.edu says to do this.  */
  95 /* Compile "strict bsd" to avoid warnings from include files */
  96
  97 #define C_SWITCH_MACHINE        -bsd
  98 #endif
  99
 100 /* Link this program just by running cc.  */
 101 #define ORDINARY_LINK
 102
 103 /* start_of_text isn't actually used, so make it compile without error.  */
 104 #define TEXT_START 0
 105 /* This seems to be right for end_of_text, but it may not be used anyway.  */
 106 #define TEXT_END get_etext ()
 107 /* This seems to be right for end_of_data, but it may not be used anyway.  */
 108 #define DATA_END get_edata ()
 109
 110 /* Defining KERNEL_FILE causes lossage because sys/file.h
 111    stupidly gets confused by it.  */
 112 #undef KERNEL_FILE
 113
 114 #define LD_SWITCH_MACHINE -X -noseglinkedit
 115
 116 #define environ _environ
 117
 118 #if 0 /* This is ok for NeXT system version 3.0 or above.  */
 119 /* Where to find the kernel, for load average.  */
 120 #define KERNEL_FILE "/mach"
 121 #endif
 122
 123 /* This should be true for recent NeXT systems.  At least since 3.2.  */
 124 #define HAVE_MACH_MACH_H
 125
 126 /* arch-tag: 1155cdcb-1f6c-4208-a2da-22c7473060a1
 127    (do not change this comment) */