gcc/config/lynx-ng.h

   1 /* Target independent definitions for LynxOS, using Lynx's old as and ld.
   2    Copyright (C) 1993 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC 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 2, or (at your option)
   9 any later version.
  10
  11 GNU CC 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 CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /* This is for backwards compatibility with older Lynx tools, which use
  22    a version of a.out format. */
  23
  24 #undef ASM_SPEC
  25 #define ASM_SPEC "%{mcoff:-C}"
  26
  27 #undef CPP_SPEC
  28 #define CPP_SPEC "%{mthreads:-D_MULTITHREADED}  \
  29   %{mposix:-D_POSIX_SOURCE}  \
  30   %{msystem-v:-I/usr/include_v}"
  31
  32 /* Provide required defaults for linker switches.  */
  33
  34 #undef LINK_SPEC
  35 #define LINK_SPEC "%{msystem-v:-V} %{mcoff:-k}"
  36
  37 #undef LIB_SPEC
  38 #define LIB_SPEC "%{mthreads:-L/lib/thread/}%{msystem-v:-lc_v}%{!msystem-v:%{mposix:-lc_p} -lc}"
  39
  40 #undef STARTFILE_SPEC
  41 #define STARTFILE_SPEC "%{p:%{mcoff:pinit1.o%s}%{!mcoff:pinit.o%s}}%{!p:%{msystem-v:%{mcoff:vinit1.o%s}%{!mcoff:vinit.o%s}}%{!msystem-v:%{mcoff:init1.o%s}%{!mcoff:init.o%s}}}"
  42
  43 #undef ENDFILE_SPEC
  44 #define ENDFILE_SPEC "%{mcoff:initn.o%s} %{p:_etext.o%s}"
  45
  46 #undef SIZE_TYPE
  47 #define SIZE_TYPE "unsigned int"
  48
  49 #undef WCHAR_TYPE
  50 #define WCHAR_TYPE "int"
  51
  52 #undef PTRDIFF_TYPE
  53 #define PTRDIFF_TYPE "long int"
  54
  55 /* We want to output DBX debugging information.  */
  56
  57 #define DBX_DEBUGGING_INFO
  58 #undef PREFERRED_DEBUGGING_TYPE
  59 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
  60
  61 /* We optionally want to be able to produce SDB debugging output so that
  62    we can create debuggable SDB/coff files.  This won't be needed when
  63    stabs-in-coff works.  */
  64
  65 #define SDB_DEBUGGING_INFO
  66
  67 /* Generate calls to memcpy, memcmp and memset.  */
  68
  69 #define TARGET_MEM_FUNCTIONS
  70
  71 /* Handle #pragma pack and sometimes #pragma weak.  */
  72
  73 #define HANDLE_SYSV_PRAGMA
  74
  75 #define TARGET_THREADS  (target_flags & MASK_THREADS)
  76 #define MASK_THREADS    0x40000000
  77
  78 #define TARGET_POSIX    (target_flags & MASK_POSIX)
  79 #define MASK_POSIX      0x20000000
  80
  81 #define TARGET_SYSTEM_V (target_flags & MASK_SYSTEM_V)
  82 #define MASK_SYSTEM_V   0x10000000
  83
  84 #define TARGET_COFF     (target_flags & MASK_COFF)
  85 #define MASK_COFF       0x08000000
  86
  87 #undef SUBTARGET_SWITCHES
  88 #define SUBTARGET_SWITCHES \
  89     {"threads",         MASK_THREADS},          \
  90     {"posix",           MASK_POSIX},            \
  91     {"system-v",        MASK_SYSTEM_V},         \
  92     {"coff",            MASK_COFF},
  93
  94 #undef SUBTARGET_OVERRIDE_OPTIONS
  95 #define SUBTARGET_OVERRIDE_OPTIONS \
  96 { if (TARGET_SYSTEM_V && profile_flag)                  \
  97     warning ("-msystem-v and -p are incompatible");             \
  98   if (TARGET_SYSTEM_V && TARGET_THREADS)                        \
  99     warning ("-msystem-v and -mthreads are incompatible"); }
 100
 101 /* Define this so that C++ destructors will use atexit.  */
 102
 103 #define HAVE_ATEXIT
 104
 105 /* This is defined only so that we can find the assembler.  Everything else
 106    is in /bin.  */
 107
 108 #define MD_EXEC_PREFIX "/usr/local/lib/gcc-"
 109
 110 /* This is needed because /bin/ld does not handle -L options correctly. */
 111
 112 #define LINK_LIBGCC_SPECIAL_1
 113
 114 /* The Lynx linker considers __main to be a possible entry point, so we
 115    must use a different name.  */
 116
 117 #define NAME__MAIN "____main"
 118 #define SYMBOL__MAIN ____main