freebsd.h revision 117420 
1/* Base configuration file for all FreeBSD targets.
2   Copyright (C) 1999, 2000, 2001, 2002 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/* Common FreeBSD configuration.
22   All FreeBSD architectures should include this file, which will specify
23   their commonalities.
24   Adapted from gcc/config/i386/freebsd-elf.h by
25   David O'Brien <obrien@FreeBSD.org>.
26   Further work by David O'Brien <obrien@FreeBSD.org> and
27   Loren J. Rittle <ljrittle@acm.org>.  */
28
29/* $FreeBSD: head/contrib/gcc/config/freebsd.h 117420 2003-07-11 05:09:19Z kan $ */
30
31/* In case we need to know.  */
32#define USING_CONFIG_FREEBSD 1
33
34/* This defines which switch letters take arguments.  On FreeBSD, most of
35   the normal cases (defined in gcc.c) apply, and we also have -h* and
36   -z* options (for the linker) (coming from SVR4).
37   We also have -R (alias --rpath), no -z, --soname (-h), --assert etc.  */
38
39#undef  SWITCH_TAKES_ARG
40#define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR))
41
42#undef  WORD_SWITCH_TAKES_ARG
43#define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR))
44
45#undef  CPP_PREDEFINES
46/* Obsolete, do not define it. */
47
48#undef  TARGET_OS_CPP_BUILTINS
49#define TARGET_OS_CPP_BUILTINS() FBSD_TARGET_OS_CPP_BUILTINS()
50
51#undef  CPP_SPEC
52#define CPP_SPEC FBSD_CPP_SPEC
53
54#undef  STARTFILE_SPEC
55#define STARTFILE_SPEC FBSD_STARTFILE_SPEC
56
57#undef  ENDFILE_SPEC
58#define ENDFILE_SPEC FBSD_ENDFILE_SPEC
59
60#undef  LIB_SPEC
61#define LIB_SPEC FBSD_LIB_SPEC
62
63
64/************************[  Target stuff  ]***********************************/
65
66/* All FreeBSD Architectures support the ELF object file format.  */
67#undef  OBJECT_FORMAT_ELF
68#define OBJECT_FORMAT_ELF	1
69
70/* Don't assume anything about the header files.  */
71#undef  NO_IMPLICIT_EXTERN_C
72#define NO_IMPLICIT_EXTERN_C	1
73
74/* Make gcc agree with FreeBSD's standard headers (<machine/ansi.h>, etc...)  */
75
76#undef  WCHAR_TYPE
77#define WCHAR_TYPE "int"
78
79#ifdef FREEBSD_NATIVE
80#define LIBSTDCXX_PROFILE       "-lstdc++_p"
81#endif
82#define MATH_LIBRARY_PROFILE    "-lm_p"
83
84/* Code generation parameters.  */
85
86/* Writing `int' for a bitfield forces int alignment for the structure.  */
87/* XXX: ok for Alpha??  */
88#undef  PCC_BITFIELD_TYPE_MATTERS
89#define PCC_BITFIELD_TYPE_MATTERS 1
90
91/* Use periods rather than dollar signs in special g++ assembler names.
92   This ensures the configuration knows our system correctly so we can link
93   with libraries compiled with the native cc.  */
94#undef NO_DOLLAR_IN_LABEL
95
96/* Used by libgcc2.c.  We support file locking with fcntl / F_SETLKW.
97   This enables the test coverage code to use file locking when exiting a
98   program, which avoids race conditions if the program has forked.  */
99#define TARGET_HAS_F_SETLKW	1
100