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e3efab9c GM |
1 | /* System description header for FreeBSD systems. |
2 | This file describes the parameters that system description files | |
3 | should define or not. | |
92b47a4a | 4 | Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
01122546 GM |
5 | 2003, 2004, 2005, 2006, 2007, 2008 |
6 | Free Software Foundation, Inc. | |
e3efab9c GM |
7 | |
8 | This file is part of GNU Emacs. | |
9 | ||
4b158629 | 10 | GNU Emacs is free software: you can redistribute it and/or modify |
e3efab9c | 11 | it under the terms of the GNU General Public License as published by |
4b158629 GM |
12 | the Free Software Foundation, either version 3 of the License, or |
13 | (at your option) any later version. | |
e3efab9c GM |
14 | |
15 | GNU Emacs is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
4b158629 | 21 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
be210740 | 22 | |
62bb752f RS |
23 | /* Get the correct __FreeBSD_version, even if this is before that was |
24 | defined. */ | |
177c0ea7 | 25 | #ifndef __FreeBSD_version |
62bb752f RS |
26 | #ifndef __FreeBSD__ |
27 | #define __FreeBSD_version 199401 | |
28 | #elif __FreeBSD__ == 1 | |
29 | #define __FreeBSD_version 199405 | |
30 | #else | |
31 | #include <osreldate.h> | |
32 | #endif | |
7e6c20e8 | 33 | #endif /* !defined __FreeBSD_version */ |
62bb752f | 34 | |
3051bc72 | 35 | /* '__FreeBSD__' is defined by the preprocessor on FreeBSD-1.1 and up. |
d05c42e4 RS |
36 | Earlier versions do not have shared libraries, so inhibit them. |
37 | You can inhibit them on newer systems if you wish | |
38 | by defining NO_SHARED_LIBS. */ | |
3051bc72 RS |
39 | #ifndef __FreeBSD__ |
40 | #define NO_SHARED_LIBS | |
41 | #endif | |
be210740 | 42 | |
c0096c73 RS |
43 | |
44 | #if 0 /* This much, alone, seemed sufficient as of 19.23. | |
45 | But it seems better to be independent of netbsd.h. */ | |
3051bc72 | 46 | #include "netbsd.h" |
be210740 | 47 | |
3051bc72 RS |
48 | #undef LIB_GCC |
49 | #define LIB_GCC -lgcc | |
50 | #undef NEED_ERRNO | |
c0096c73 RS |
51 | #endif /* 0 */ |
52 | ||
53 | ||
54 | /* Get most of the stuff from bsd4.3 */ | |
55 | #include "bsd4-3.h" | |
56 | ||
57 | /* For mem-limits.h. */ | |
58 | #define BSD4_2 | |
59 | ||
e57d8da0 | 60 | /* These aren't needed, since we have getloadavg. */ |
c0096c73 RS |
61 | #undef KERNEL_FILE |
62 | #undef LDAV_SYMBOL | |
63 | ||
64 | #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base) | |
65 | ||
c0096c73 RS |
66 | #define LIBS_DEBUG |
67 | #define LIBS_SYSTEM -lutil | |
7e0ba6da | 68 | #if __FreeBSD_version < 400000 |
c0096c73 | 69 | #define LIBS_TERMCAP -ltermcap |
5851666e RS |
70 | #else |
71 | #define TERMINFO | |
72 | #define LIBS_TERMCAP -lncurses | |
7e0ba6da | 73 | #endif |
c0096c73 | 74 | |
c0096c73 RS |
75 | #define SYSV_SYSTEM_DIR |
76 | ||
77 | /* freebsd has POSIX-style pgrp behavior. */ | |
78 | #undef BSD_PGRPS | |
9f9d7a9a | 79 | #define GETPGRP_NO_ARG |
c0096c73 | 80 | |
62bb752f RS |
81 | #ifdef __ELF__ |
82 | ||
1f71352b | 83 | #define LD_SWITCH_SYSTEM_1 |
62bb752f RS |
84 | #define START_FILES pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbegin.o |
85 | #define UNEXEC unexelf.o | |
86 | #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtend.o /usr/lib/crtn.o | |
87 | #undef LIB_GCC | |
88 | #define LIB_GCC | |
89 | ||
90 | #else /* not __ELF__ */ | |
91 | ||
c0096c73 | 92 | #ifndef NO_SHARED_LIBS |
1f71352b | 93 | #define LD_SWITCH_SYSTEM_1 -e start -dc -L/usr/local/lib |
c0096c73 | 94 | #define HAVE_TEXT_START /* No need to define `start_of_text'. */ |
62bb752f RS |
95 | #if __FreeBSD_version >= 300002 |
96 | #define START_FILES pre-crt0.o /usr/lib/aout/crt0.o | |
97 | #else /* __FreeBSD_version < 300002 */ | |
c0096c73 | 98 | #define START_FILES pre-crt0.o /usr/lib/crt0.o |
62bb752f | 99 | #endif /* __FreeBSD_version < 300002 */ |
c0096c73 RS |
100 | #define UNEXEC unexsunos4.o |
101 | #define RUN_TIME_REMAP | |
62bb752f | 102 | #define LIB_GCC -lgcc |
c0096c73 RS |
103 | |
104 | #ifndef N_TRELOFF | |
105 | #define N_PAGSIZ(x) __LDPGSZ | |
106 | #define N_BSSADDR(x) (N_ALIGN(x, N_DATADDR(x)+x.a_data)) | |
107 | #define N_TRELOFF(x) N_RELOFF(x) | |
108 | #endif | |
d05c42e4 RS |
109 | #else /* NO_SHARED_LIBS */ |
110 | #ifdef __FreeBSD__ /* shared libs are available, but the user prefers | |
111 | not to use them. */ | |
1f71352b | 112 | #define LD_SWITCH_SYSTEM_1 -Bstatic -L/usr/local/lib |
d05c42e4 RS |
113 | #define A_TEXT_OFFSET(x) (sizeof (struct exec)) |
114 | #define A_TEXT_SEEK(hdr) (N_TXTOFF(hdr) + A_TEXT_OFFSET(hdr)) | |
115 | #endif /* __FreeBSD__ */ | |
116 | #endif /* NO_SHARED_LIBS */ | |
c0096c73 | 117 | |
62bb752f RS |
118 | #endif /* not __ELF__ */ |
119 | ||
1f71352b GM |
120 | /* Let `ld' find image libs and similar things in /usr/local/lib. The |
121 | system compiler, GCC, has apparently been modified to not look | |
122 | there, contrary to what a stock GCC would do. */ | |
123 | ||
124 | #define LD_SWITCH_SYSTEM LD_SWITCH_SYSTEM_1 -L/usr/local/lib | |
125 | ||
c0096c73 | 126 | #define HAVE_WAIT_HEADER |
8fffa182 | 127 | #define HAVE_GETLOADAVG 1 |
2327e4a0 GM |
128 | #if 0 |
129 | #define HAVE_GETPAGESIZE /* configure now puts this in config.h */ | |
130 | #endif | |
c0096c73 RS |
131 | #define HAVE_TERMIOS |
132 | #define NO_TERMIO | |
d05c42e4 | 133 | #define DECLARE_GETPWUID_WITH_UID_T |
c0096c73 RS |
134 | |
135 | /* freebsd uses OXTABS instead of the expected TAB3. */ | |
136 | #define TABDLY OXTABS | |
137 | #define TAB3 OXTABS | |
138 | ||
139 | /* this silences a few compilation warnings */ | |
6df54671 | 140 | #undef BSD_SYSTEM |
69d87222 | 141 | #if __FreeBSD__ == 1 |
6df54671 | 142 | #define BSD_SYSTEM 199103 |
69d87222 | 143 | #elif __FreeBSD__ == 2 |
6df54671 | 144 | #define BSD_SYSTEM 199306 |
165e2d55 | 145 | #elif __FreeBSD__ >= 3 |
3e7562b1 | 146 | #define BSD_SYSTEM 199506 |
69d87222 | 147 | #endif |
c0096c73 | 148 | |
177c0ea7 | 149 | #if 0 /* Shouldn't be necessary and produces warnings with the |
026d2a71 | 150 | experimental Autoconf test. */ |
c0096c73 RS |
151 | #define WAITTYPE int |
152 | /* get this since it won't be included if WAITTYPE is defined */ | |
153 | #ifdef emacs | |
154 | #include <sys/wait.h> | |
155 | #endif | |
156 | #define WRETCODE(w) (_W_INT(w) >> 8) | |
026d2a71 | 157 | #endif |
22fcc83e | 158 | |
b68f1a63 RS |
159 | /* Don't close pty in process.c to make it as controlling terminal. |
160 | It is already a controlling terminal of subprocess, because we did | |
161 | ioctl TIOCSCTTY. */ | |
162 | #define DONT_REOPEN_PTY | |
145eec6f RS |
163 | |
164 | /* CLASH_DETECTION is defined in bsd4-3.h. | |
165 | In FreeBSD 2.1.5 (and other 2.1.x), this results useless symbolic links | |
166 | remaining in /tmp or other directories with +t bit. | |
167 | To avoid this problem, you could #undef it to use no file lock. */ | |
168 | /* #undef CLASH_DETECTION */ | |
2327e4a0 GM |
169 | |
170 | /* If the system's imake configuration file defines `NeedWidePrototypes' | |
171 | as `NO', we must define NARROWPROTO manually. Such a define is | |
177c0ea7 | 172 | generated in the Makefile generated by `xmkmf'. If we don't |
2327e4a0 GM |
173 | define NARROWPROTO, we will see the wrong function prototypes |
174 | for X functions taking float or double parameters. */ | |
175 | ||
176 | #define NARROWPROTO 1 | |
ab5d1ddf | 177 | |
ef539202 GM |
178 | /* The following is needed to make `configure' find Xpm, Xaw3d and |
179 | image include and library files if using /usr/bin/gcc. That | |
180 | compiler seems to be modified to not find headers in | |
181 | /usr/local/include or libs in /usr/local/lib by default. */ | |
ab5d1ddf | 182 | |
1f71352b | 183 | #define C_SWITCH_SYSTEM -I/usr/X11R6/include -I/usr/local/include -L/usr/local/lib |
aace035e GM |
184 | |
185 | /* Circumvent a bug in FreeBSD. In the following sequence of | |
186 | writes/reads on a PTY, read(2) returns bogus data: | |
187 | ||
188 | write(2) 1022 bytes | |
189 | write(2) 954 bytes, get EAGAIN | |
190 | read(2) 1024 bytes in process_read_output | |
191 | read(2) 11 bytes in process_read_output | |
192 | ||
193 | That is, read(2) returns more bytes than have ever been written | |
194 | successfully. The 1033 bytes read are the 1022 bytes written | |
195 | successfully after processing (for example with CRs added if the | |
196 | terminal is set up that way which it is here). The same bytes will | |
197 | be seen again in a later read(2), without the CRs. */ | |
198 | ||
199 | #define BROKEN_PTY_READ_AFTER_EAGAIN 1 | |
4b3fd719 GM |
200 | |
201 | /* Tell that garbage collector that setjmp is known to save all | |
202 | registers relevant for conservative garbage collection in the | |
203 | jmp_buf. */ | |
204 | ||
205 | #define GC_SETJMP_WORKS 1 | |
cbf5ca04 | 206 | |
fc653ef2 GM |
207 | /* Use the GC_MAKE_GCPROS_NOOPS (see lisp.h) method for marking the |
208 | stack. */ | |
209 | ||
fc40e215 | 210 | #define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS |
fc653ef2 | 211 | |
67cdbf16 GM |
212 | /* Define USE_MMAP_FOR_BUFFERS to let Emacs use mmap(2) to allocate |
213 | buffer text. This overrides REL_ALLOC. */ | |
fc653ef2 | 214 | |
67cdbf16 | 215 | #define USE_MMAP_FOR_BUFFERS 1 |
76bb714a GM |
216 | |
217 | /* Use sigprocmask(2) and friends instead of sigblock(2); the man page | |
218 | of sigblock says it is obsolete. */ | |
219 | ||
220 | #define POSIX_SIGNALS 1 | |
ab5796a9 | 221 | |
74d6f539 GM |
222 | /* The `combreloc' setting became the default, and it seems to be |
223 | incompatible with unexec. Symptom is an immediate SEGV in | |
224 | XtInitializeWidget when starting Emacs under X11. */ | |
225 | ||
226 | #if defined __FreeBSD_version && __FreeBSD_version >= 500042 | |
227 | #define LD_SWITCH_SYSTEM_TEMACS -znocombreloc | |
228 | #endif | |
229 | ||
ab5796a9 MB |
230 | /* arch-tag: 426529ca-b7c4-448f-b10a-d4dcdc9c78eb |
231 | (do not change this comment) */ |