Commit | Line | Data |
---|---|---|
b429a4ee GM |
1 | /* conf_post.h --- configure.ac includes this via AH_BOTTOM |
2 | ||
ab422c4d PE |
3 | Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013 Free Software |
4 | Foundation, Inc. | |
b429a4ee GM |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
8 | GNU Emacs is free software: you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation, either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | /* Commentary: | |
22 | ||
23 | Rather than writing this code directly in AH_BOTTOM, we include it | |
24 | via this file. This is so that it does not get processed by | |
25 | autoheader. Eg, any undefs here would otherwise be commented out. | |
26 | */ | |
27 | ||
28 | /* Code: */ | |
29 | ||
476b1b2d GM |
30 | /* Include any platform specific configuration file. */ |
31 | #ifdef config_opsysfile | |
32 | # include config_opsysfile | |
33 | #endif | |
34 | ||
35 | #ifndef WINDOWSNT | |
b429a4ee GM |
36 | /* On AIX 3 this must be included before any other include file. */ |
37 | #include <alloca.h> | |
38 | #if ! HAVE_ALLOCA | |
39 | # error "alloca not available on this machine" | |
40 | #endif | |
476b1b2d | 41 | #endif |
b429a4ee | 42 | |
7456e13f PE |
43 | #ifndef __has_attribute |
44 | # define __has_attribute(a) 0 /* non-clang */ | |
45 | #endif | |
46 | ||
b429a4ee GM |
47 | /* This silences a few compilation warnings on FreeBSD. */ |
48 | #ifdef BSD_SYSTEM_AHB | |
49 | #undef BSD_SYSTEM_AHB | |
50 | #undef BSD_SYSTEM | |
51 | #if __FreeBSD__ == 1 | |
52 | #define BSD_SYSTEM 199103 | |
53 | #elif __FreeBSD__ == 2 | |
54 | #define BSD_SYSTEM 199306 | |
55 | #elif __FreeBSD__ >= 3 | |
56 | #define BSD_SYSTEM 199506 | |
57 | #endif | |
58 | #endif | |
59 | ||
6a381852 GM |
60 | #ifdef DARWIN_OS |
61 | #ifdef emacs | |
62 | #define malloc unexec_malloc | |
63 | #define realloc unexec_realloc | |
64 | #define free unexec_free | |
65 | /* Don't use posix_memalign because it is not compatible with unexmacosx.c. */ | |
66 | #undef HAVE_POSIX_MEMALIGN | |
67 | #endif | |
68 | /* The following solves the problem that Emacs hangs when evaluating | |
69 | (make-comint "test0" "/nodir/nofile" nil "") when /nodir/nofile | |
70 | does not exist. Also, setsid is not allowed in the vfork child's | |
71 | context as of Darwin 9/Mac OS X 10.5. */ | |
72 | #undef HAVE_WORKING_VFORK | |
73 | #define vfork fork | |
74 | #endif /* DARWIN_OS */ | |
75 | ||
aac1c9ac GM |
76 | /* We have to go this route, rather than the old hpux9 approach of |
77 | renaming the functions via macros. The system's stdlib.h has fully | |
78 | prototyped declarations, which yields a conflicting definition of | |
79 | srand48; it tries to redeclare what was once srandom to be srand48. | |
80 | So we go with HAVE_LRAND48 being defined. */ | |
81 | #ifdef HPUX | |
82 | #undef srandom | |
83 | #undef random | |
84 | /* We try to avoid checking for random and rint on hpux in | |
85 | configure.ac, but some other configure test might check for them as | |
86 | a dependency, so to be safe we also undefine them here. | |
87 | */ | |
88 | #undef HAVE_RANDOM | |
89 | #undef HAVE_RINT | |
90 | #endif /* HPUX */ | |
91 | ||
bb2e3a6e GM |
92 | #ifdef IRIX6_5 |
93 | #ifdef emacs | |
94 | char *_getpty(); | |
95 | #endif | |
96 | ||
bb2e3a6e GM |
97 | #endif /* IRIX6_5 */ |
98 | ||
fe3cc771 GM |
99 | #ifdef MSDOS |
100 | #ifndef __DJGPP__ | |
101 | You lose; /* Emacs for DOS must be compiled with DJGPP */ | |
102 | #endif | |
103 | #define _NAIVE_DOS_REGS | |
104 | ||
105 | /* Start of gnulib-related stuff */ | |
106 | ||
107 | /* lib/ftoastr.c wants strtold, but DJGPP only has _strtold. DJGPP > | |
108 | 2.03 has it, but it also has _strtold as a stub that jumps to | |
109 | strtold, so use _strtold in all versions. */ | |
110 | #define strtold _strtold | |
111 | ||
112 | #if __DJGPP__ > 2 || __DJGPP_MINOR__ > 3 | |
113 | # define HAVE_LSTAT 1 | |
114 | #else | |
115 | # define lstat stat | |
116 | #endif | |
b3cf17f6 EZ |
117 | /* The "portable" definition of _GL_INLINE on config.h does not work |
118 | with DJGPP GCC 3.4.4: it causes unresolved externals in sysdep.c, | |
119 | although lib/execinfo.h is included and the inline functions there | |
120 | are visible. */ | |
121 | #if __GNUC__ < 4 | |
122 | # define _GL_EXECINFO_INLINE inline | |
123 | #endif | |
fe3cc771 GM |
124 | /* End of gnulib-related stuff. */ |
125 | ||
b3cf17f6 EZ |
126 | #define emacs_raise(sig) msdos_fatal_signal (sig) |
127 | ||
fe3cc771 GM |
128 | /* Define one of these for easier conditionals. */ |
129 | #ifdef HAVE_X_WINDOWS | |
130 | /* We need a little extra space, see ../../lisp/loadup.el and the | |
131 | commentary below, in the non-X branch. The 140KB number was | |
132 | measured on GNU/Linux and on MS-Windows. */ | |
133 | #define SYSTEM_PURESIZE_EXTRA (-170000+140000) | |
134 | #else | |
135 | /* We need a little extra space, see ../../lisp/loadup.el. | |
136 | As of 20091024, DOS-specific files use up 62KB of pure space. But | |
137 | overall, we end up wasting 130KB of pure space, because | |
138 | BASE_PURESIZE starts at 1.47MB, while we need only 1.3MB (including | |
139 | non-DOS specific files and load history; the latter is about 55K, | |
140 | but depends on the depth of the top-level Emacs directory in the | |
141 | directory tree). Given the unknown policy of different DPMI | |
142 | hosts regarding loading of untouched pages, I'm not going to risk | |
143 | enlarging Emacs footprint by another 100+ KBytes. */ | |
144 | #define SYSTEM_PURESIZE_EXTRA (-170000+65000) | |
145 | #endif | |
2e415bb7 | 146 | #endif /* MSDOS */ |
fe3cc771 | 147 | |
b429a4ee GM |
148 | /* Mac OS X / GNUstep need a bit more pure memory. Of the existing knobs, |
149 | SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems. */ | |
150 | #ifdef HAVE_NS | |
151 | #if defined NS_IMPL_GNUSTEP | |
152 | # define SYSTEM_PURESIZE_EXTRA 30000 | |
153 | #elif defined DARWIN_OS | |
154 | # define SYSTEM_PURESIZE_EXTRA 200000 | |
155 | #endif | |
156 | #endif | |
157 | ||
a9e7a9d5 PE |
158 | #if defined HAVE_NTGUI && !defined DebPrint |
159 | # ifdef EMACSDEBUG | |
0fda9b75 DC |
160 | extern void _DebPrint (const char *fmt, ...); |
161 | # define DebPrint(stuff) _DebPrint stuff | |
162 | # else | |
163 | # define DebPrint(stuff) | |
a9e7a9d5 PE |
164 | # endif |
165 | #endif | |
0fda9b75 | 166 | |
a9e7a9d5 PE |
167 | #if defined CYGWIN && defined HAVE_NTGUI |
168 | # define NTGUI_UNICODE /* Cygwin runs only on UNICODE-supporting systems */ | |
169 | # define _WIN32_WINNT 0x500 /* Win2k */ | |
170 | #endif | |
0fda9b75 | 171 | |
b429a4ee GM |
172 | #ifdef emacs /* Don't do this for lib-src. */ |
173 | /* Tell regex.c to use a type compatible with Emacs. */ | |
174 | #define RE_TRANSLATE_TYPE Lisp_Object | |
e3ccf108 | 175 | #define RE_TRANSLATE(TBL, C) char_table_translate (TBL, C) |
b429a4ee GM |
176 | #ifdef make_number |
177 | /* If make_number is a macro, use it. */ | |
178 | #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0))) | |
179 | #else | |
180 | /* If make_number is a function, avoid it. */ | |
181 | #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0)) | |
182 | #endif | |
183 | #endif | |
184 | ||
185 | #include <string.h> | |
186 | #include <stdlib.h> | |
187 | ||
188 | #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */ | |
189 | #define NO_INLINE __attribute__((noinline)) | |
190 | #else | |
191 | #define NO_INLINE | |
192 | #endif | |
193 | ||
7456e13f PE |
194 | #if (__clang__ \ |
195 | ? __has_attribute (externally_visible) \ | |
196 | : (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))) | |
b429a4ee GM |
197 | #define EXTERNALLY_VISIBLE __attribute__((externally_visible)) |
198 | #else | |
199 | #define EXTERNALLY_VISIBLE | |
200 | #endif | |
201 | ||
202 | #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) | |
203 | # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) | |
204 | #else | |
205 | # define ATTRIBUTE_FORMAT(spec) /* empty */ | |
206 | #endif | |
207 | ||
208 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) | |
209 | # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \ | |
210 | ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument)) | |
211 | #else | |
212 | # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \ | |
213 | ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument)) | |
214 | #endif | |
215 | ||
216 | #define ATTRIBUTE_CONST _GL_ATTRIBUTE_CONST | |
217 | ||
218 | /* Some versions of GNU/Linux define noinline in their headers. */ | |
219 | #ifdef noinline | |
220 | #undef noinline | |
221 | #endif | |
222 | ||
f162bcc3 PE |
223 | #define INLINE _GL_INLINE |
224 | #define EXTERN_INLINE _GL_EXTERN_INLINE | |
225 | #define INLINE_HEADER_BEGIN _GL_INLINE_HEADER_BEGIN | |
226 | #define INLINE_HEADER_END _GL_INLINE_HEADER_END | |
227 | ||
25e65510 GM |
228 | /* Use this to suppress gcc's `...may be used before initialized' warnings. */ |
229 | #ifdef lint | |
230 | /* Use CODE only if lint checking is in effect. */ | |
231 | # define IF_LINT(Code) Code | |
232 | /* Assume that the expression COND is true. This differs in intent | |
233 | from 'assert', as it is a message from the programmer to the compiler. */ | |
234 | # define lint_assume(cond) ((cond) ? (void) 0 : abort ()) | |
235 | #else | |
236 | # define IF_LINT(Code) /* empty */ | |
237 | # define lint_assume(cond) ((void) (0 && (cond))) | |
238 | #endif | |
239 | ||
b429a4ee | 240 | /* conf_post.h ends here */ |