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1 | /* Base configuration file for all FreeBSD targets. |
2 | Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. | |
3 | ||
7ec022b2 | 4 | This file is part of GCC. |
b6458e85 | 5 | |
7ec022b2 | 6 | GCC is free software; you can redistribute it and/or modify |
b6458e85 DB |
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 | ||
7ec022b2 | 11 | GCC is distributed in the hope that it will be useful, |
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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 | |
7ec022b2 | 17 | along with GCC; see the file COPYING. If not, write to |
b6458e85 DB |
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/freebsd.h by | |
25 | David O'Brien <obrien@FreeBSD.org> | |
26 | Loren J. Rittle <ljrittle@acm.org>. */ | |
27 | ||
28 | ||
29 | /* In case we need to know. */ | |
30 | #define USING_CONFIG_FREEBSD_SPEC 1 | |
31 | ||
32 | /* This defines which switch letters take arguments. On FreeBSD, most of | |
33 | the normal cases (defined in gcc.c) apply, and we also have -h* and | |
34 | -z* options (for the linker) (coming from SVR4). | |
35 | We also have -R (alias --rpath), no -z, --soname (-h), --assert etc. */ | |
36 | ||
37 | #define FBSD_SWITCH_TAKES_ARG(CHAR) \ | |
38 | (DEFAULT_SWITCH_TAKES_ARG (CHAR) \ | |
39 | || (CHAR) == 'h' \ | |
40 | || (CHAR) == 'z' /* ignored by ld */ \ | |
41 | || (CHAR) == 'R') | |
42 | ||
43 | /* This defines which multi-letter switches take arguments. */ | |
44 | ||
45 | #define FBSD_WORD_SWITCH_TAKES_ARG(STR) \ | |
46 | (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \ | |
47 | || !strcmp ((STR), "rpath") || !strcmp ((STR), "rpath-link") \ | |
48 | || !strcmp ((STR), "soname") || !strcmp ((STR), "defsym") \ | |
49 | || !strcmp ((STR), "assert") || !strcmp ((STR), "dynamic-linker")) | |
50 | ||
7358f10d LR |
51 | #define FBSD_TARGET_OS_CPP_BUILTINS() \ |
52 | do \ | |
53 | { \ | |
54 | if (FBSD_MAJOR == 6) \ | |
55 | builtin_define ("__FreeBSD__=6"); \ | |
56 | else if (FBSD_MAJOR == 5) \ | |
57 | builtin_define ("__FreeBSD__=5"); \ | |
58 | else if (FBSD_MAJOR == 4) \ | |
59 | builtin_define ("__FreeBSD__=4"); \ | |
60 | else if (FBSD_MAJOR == 3) \ | |
61 | builtin_define ("__FreeBSD__=3"); \ | |
62 | else \ | |
63 | builtin_define ("__FreeBSD__"); \ | |
64 | builtin_define_std ("unix"); \ | |
7358f10d LR |
65 | builtin_define ("__KPRINTF_ATTRIBUTE__"); \ |
66 | builtin_assert ("system=unix"); \ | |
67 | builtin_assert ("system=bsd"); \ | |
68 | builtin_assert ("system=FreeBSD"); \ | |
69 | FBSD_TARGET_CPU_CPP_BUILTINS(); \ | |
70 | } \ | |
71 | while (0) | |
72 | ||
73 | /* Define the default FreeBSD-specific per-CPU hook code. */ | |
74 | #define FBSD_TARGET_CPU_CPP_BUILTINS() do {} while (0) | |
b6458e85 DB |
75 | |
76 | /* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC | |
77 | option `-posix', and PIC issues. */ | |
78 | ||
79 | #define FBSD_CPP_SPEC " \ | |
80 | %(cpp_cpu) \ | |
24a4dd31 | 81 | %{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} \ |
b6458e85 DB |
82 | %{posix:-D_POSIX_SOURCE}" |
83 | ||
84 | /* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add | |
85 | the magical crtbegin.o file (see crtstuff.c) which provides part | |
86 | of the support for getting C++ file-scope static object constructed | |
991b6592 | 87 | before entering `main'. */ |
b6458e85 DB |
88 | |
89 | #define FBSD_STARTFILE_SPEC \ | |
90 | "%{!shared: \ | |
91 | %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \ | |
92 | %{!p:%{profile:gcrt1.o%s} \ | |
93 | %{!profile:crt1.o%s}}}} \ | |
94 | crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" | |
95 | ||
96 | /* Provide a ENDFILE_SPEC appropriate for FreeBSD. Here we tack on | |
97 | the magical crtend.o file (see crtstuff.c) which provides part of | |
98 | the support for getting C++ file-scope static object constructed | |
99 | before entering `main', followed by a normal "finalizer" file, | |
100 | `crtn.o'. */ | |
101 | ||
102 | #define FBSD_ENDFILE_SPEC \ | |
103 | "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" | |
104 | ||
105 | /* Provide a LIB_SPEC appropriate for FreeBSD as configured and as | |
106 | required by the user-land thread model. Before __FreeBSD_version | |
107 | 500016, select the appropriate libc, depending on whether we're | |
108 | doing profiling or need threads support. At __FreeBSD_version | |
109 | 500016 and later, when threads support is requested include both | |
110 | -lc and -lc_r instead of only -lc_r. To make matters interesting, | |
111 | we can't actually use __FreeBSD_version provided by <osreldate.h> | |
112 | directly since it breaks cross-compiling. As a final twist, make | |
113 | it a hard error if -pthread is provided on the command line and gcc | |
114 | was configured with --disable-threads (this will help avoid bug | |
115 | reports from users complaining about threading when they | |
116 | misconfigured the gcc bootstrap but are later consulting FreeBSD | |
117 | manual pages that refer to the mythical -pthread option). */ | |
118 | ||
119 | /* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate | |
120 | libc, depending on whether we're doing profiling or need threads support. | |
121 | (simular to the default, except no -lg, and no -p). */ | |
122 | ||
123 | #ifdef FBSD_NO_THREADS | |
124 | #define FBSD_LIB_SPEC " \ | |
125 | %{pthread: %eThe -pthread option is only supported on FreeBSD when gcc \ | |
126 | is built with the --enable-threads configure-time option.} \ | |
127 | %{!shared: \ | |
128 | %{!pg: -lc} \ | |
129 | %{pg: -lc_p} \ | |
130 | }" | |
131 | #else | |
132 | #if FBSD_MAJOR >= 5 | |
133 | #define FBSD_LIB_SPEC " \ | |
134 | %{!shared: \ | |
135 | %{!pg: %{pthread:-lc_r} -lc} \ | |
136 | %{pg: %{pthread:-lc_r_p} -lc_p} \ | |
137 | }" | |
138 | #else | |
139 | #define FBSD_LIB_SPEC " \ | |
140 | %{!shared: \ | |
141 | %{!pg: \ | |
142 | %{!pthread:-lc} \ | |
143 | %{pthread:-lc_r}} \ | |
144 | %{pg: \ | |
145 | %{!pthread:-lc_p} \ | |
146 | %{pthread:-lc_r_p}} \ | |
147 | }" | |
148 | #endif | |
149 | #endif |