1 /* Base configuration file for all FreeBSD targets.
2 Copyright (C) 1999, 2000 Free Software Foundation, Inc.
4 This file is part of GNU CC.
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)
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.
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. */
21 /* Common FreeBSD configuration.
22 All FreeBSD architectures should include this file, which will specify
24 Adapted from gcc/config/i386/freebsd-elf.h by
25 David O'Brien <obrien@FreeBSD.org>. */
28 /* This defines which switch letters take arguments. On FreeBSD, most of
29 the normal cases (defined in gcc.c) apply, and we also have -h* and
30 -z* options (for the linker) (coming from SVR4).
31 We also have -R (alias --rpath), no -z, --soname (-h), --assert etc. */
33 #define FBSD_SWITCH_TAKES_ARG(CHAR) \
34 (DEFAULT_SWITCH_TAKES_ARG (CHAR) \
36 || (CHAR) == 'z' /* ignored by ld */ \
39 #undef SWITCH_TAKES_ARG
40 #define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR))
42 #define FBSD_WORD_SWITCH_TAKES_ARG(STR) \
43 (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
44 || !strcmp ((STR), "rpath") || !strcmp ((STR), "rpath-link") \
45 || !strcmp ((STR), "soname") || !strcmp ((STR), "defsym") \
46 || !strcmp ((STR), "assert") || !strcmp ((STR), "dynamic-linker"))
48 #undef WORD_SWITCH_TAKES_ARG
49 #define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR))
51 /* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC
52 option `-posix', and PIC issues. */
55 #define CPP_SPEC "%(cpp_cpu) \
56 %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \
57 %{posix:-D_POSIX_SOURCE}"
59 /* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate
60 libc, depending on whether we're doing profiling or need threads support.
61 (simular to the default, except no -lg, and no -p). */
66 %{!pg:%{!pthread:%{!kthread:-lc} \
67 %{kthread:-lpthread -lc}} \
69 %{pg:%{!pthread:%{!kthread:-lc_p} \
70 %{kthread:-lpthread_p -lc_p}} \
74 /* Code generation parameters. */
76 /* Make gcc agree with <machine/ansi.h>. */
79 #define WCHAR_TYPE "int"
82 #define WCHAR_UNSIGNED 0
84 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
85 we want to retain compatibility with older gcc versions
86 (even though the SVR4 ABI for the i386 says that records and unions are
87 returned in memory). */
88 #undef DEFAULT_PCC_STRUCT_RETURN
89 #define DEFAULT_PCC_STRUCT_RETURN 0
91 /* Ensure we the configuration knows our system correctly so we can link with
92 libraries compiled with the native cc. */
93 #undef NO_DOLLAR_IN_LABEL
95 /* Use more efficient ``thunks'' to implement C++ vtables. */
96 #undef DEFAULT_VTABLE_THUNKS
97 #define DEFAULT_VTABLE_THUNKS 1
99 /* This is BSD, so use stabs instead of DWARF debug format. */
100 #undef PREFERRED_DEBUGGING_TYPE
101 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
103 /* Attach a special .ident directive to the end of the file to identify
104 the version of GCC which compiled this code. The format of the .ident
105 string is patterned after the ones produced by native SVR4 C compilers. */
107 #define IDENT_ASM_OP "\t.ident\t"
109 /* Output #ident as a .ident. */
110 #undef ASM_OUTPUT_IDENT
111 #define ASM_OUTPUT_IDENT(FILE, NAME) \
112 fprintf ((FILE), "%s\"%s\"\n", IDENT_ASM_OP, (NAME));
114 #undef ASM_IDENTIFY_LANGUAGE
115 #define ASM_IDENTIFY_LANGUAGE(FILE) \
116 fprintf ((FILE), "%s\"GCC (%s) %s\"\n", IDENT_ASM_OP, \
117 lang_identify (), version_string)
120 #define ASM_FILE_END(FILE) \
122 if (!flag_no_ident) \
123 fprintf ((FILE), "%s\"GCC: (GNU) %s\"\n", \
124 IDENT_ASM_OP, version_string); \
128 /* Miscellaneous parameters. */
130 /* Don't assume anything about the header files. */
131 #undef NO_IMPLICIT_EXTERN_C
132 #define NO_IMPLICIT_EXTERN_C
134 /* Allow #sccs in preprocessor. */
135 #define SCCS_DIRECTIVE
137 /* Handle #pragma weak and #pragma pack. */
138 #define HANDLE_SYSV_PRAGMA