xref: /openbsd/gnu/usr.bin/gcc/gcc/config/freebsd.h (revision 09467b48)
1 /* Base configuration file for all FreeBSD targets.
2    Copyright (C) 1999, 2000, 2001 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 /* 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 
30 /* In case we need to know.  */
31 #define USING_CONFIG_FREEBSD 1
32 
33 /* This defines which switch letters take arguments.  On FreeBSD, most of
34    the normal cases (defined in gcc.c) apply, and we also have -h* and
35    -z* options (for the linker) (coming from SVR4).
36    We also have -R (alias --rpath), no -z, --soname (-h), --assert etc.  */
37 
38 #undef  SWITCH_TAKES_ARG
39 #define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR))
40 
41 #undef  WORD_SWITCH_TAKES_ARG
42 #define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR))
43 
44 #undef  CPP_PREDEFINES
45 /* Obsolete, do not define it. */
46 
47 #undef  TARGET_OS_CPP_BUILTINS
48 #define TARGET_OS_CPP_BUILTINS() FBSD_TARGET_OS_CPP_BUILTINS()
49 
50 #undef  CPP_SPEC
51 #define CPP_SPEC FBSD_CPP_SPEC
52 
53 #undef  STARTFILE_SPEC
54 #define STARTFILE_SPEC FBSD_STARTFILE_SPEC
55 
56 #undef  ENDFILE_SPEC
57 #define ENDFILE_SPEC FBSD_ENDFILE_SPEC
58 
59 #undef  LIB_SPEC
60 #define LIB_SPEC FBSD_LIB_SPEC
61 
62 
63 /************************[  Target stuff  ]***********************************/
64 
65 /* All FreeBSD Architectures support the ELF object file format.  */
66 #undef  OBJECT_FORMAT_ELF
67 #define OBJECT_FORMAT_ELF
68 
69 /* Don't assume anything about the header files.  */
70 #undef  NO_IMPLICIT_EXTERN_C
71 #define NO_IMPLICIT_EXTERN_C	1
72 
73 /* Make gcc agree with FreeBSD's standard headers (<machine/ansi.h>, etc...)  */
74 
75 #undef  WCHAR_TYPE
76 #define WCHAR_TYPE "int"
77 
78 #define MATH_LIBRARY_PROFILE    "-lm_p"
79 
80 /* Code generation parameters.  */
81 
82 /* Use periods rather than dollar signs in special g++ assembler names.
83    This ensures the configuration knows our system correctly so we can link
84    with libraries compiled with the native cc.  */
85 #undef NO_DOLLAR_IN_LABEL
86 
87 /* Used by libgcc2.c.  We support file locking with fcntl / F_SETLKW.
88    This enables the test coverage code to use file locking when exiting a
89    program, which avoids race conditions if the program has forked.  */
90 #define TARGET_HAS_F_SETLKW
91