1/* Definitions of target machine for GNU compiler, for SunOS 4.x
2   Copyright (C) 1994, 1999 Free Software Foundation, Inc.
3
4This file is part of GNU CC.
5
6GNU CC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11GNU CC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GNU CC; see the file COPYING.  If not, write to
18the Free Software Foundation, 59 Temple Place - Suite 330,
19Boston, MA 02111-1307, USA.  */
20
21#undef SUNOS4_SHARED_LIBRARIES
22#define SUNOS4_SHARED_LIBRARIES 1
23
24#undef CPP_PREDEFINES
25#define CPP_PREDEFINES "-Dsparc -Dsun -Dunix -Asystem=unix -Asystem=bsd"
26
27#define LIB_SPEC "%{!shared:%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} %{g:-lg}}"
28
29/* Provide required defaults for linker -e and -d switches.  */
30
31#define LINK_SPEC \
32 "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp} %{static:-Bstatic} \
33  %{assert*} %{shared:%{!mimpure-text:-assert pure-text}}"
34
35/* Use N_BINCL stabs.  */
36
37#define DBX_USE_BINCL
38
39/* The Sun as doesn't like unaligned data.  */
40#define DWARF2_UNWIND_INFO 0
41
42/* SunOS has on_exit instead of atexit.  */
43/* The man page says it returns int.  */
44#ifdef IN_LIBGCC2
45extern int on_exit PARAMS ((void *, void *));
46#endif
47#define ON_EXIT(FUNC) on_exit ((FUNC), 0)
48#define NEED_ATEXIT
49