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[bpt/guile.git] / acconfig.h
1 /* acconfig.h --- documentation for symbols possibly defined in scmconfig.h
2 * The `autoheader' command, from the autoconf suite, generates
3 * libguile/scmconfig.h, based on configure.in and this file.
4 *
5 * Copyright (C) 1998 Free Software Foundation, Inc.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
10 * any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this software; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20 * Boston, MA 02111-1307 USA
21 *
22 * As a special exception, the Free Software Foundation gives permission
23 * for additional uses of the text contained in its release of GUILE.
24 *
25 * The exception is that, if you link the GUILE library with other files
26 * to produce an executable, this does not by itself cause the
27 * resulting executable to be covered by the GNU General Public License.
28 * Your use of that executable is in no way restricted on account of
29 * linking the GUILE library code into it.
30 *
31 * This exception does not however invalidate any other reasons why
32 * the executable file might be covered by the GNU General Public License.
33 *
34 * This exception applies only to the code released by the
35 * Free Software Foundation under the name GUILE. If you copy
36 * code from other Free Software Foundation releases into a copy of
37 * GUILE, as the General Public License permits, the exception does
38 * not apply to the code that you add in this way. To avoid misleading
39 * anyone as to the status of such modified files, you must delete
40 * this exception notice from them.
41 *
42 * If you write modifications of your own for GUILE, it is your choice
43 * whether to permit this exception to apply to your modifications.
44 * If you do not wish that, delete this exception notice. */
45 \f
46
47 #ifndef PORTSH
48 #define PORTSH
49
50 /* Define these two if you want support for debugging of Scheme
51 programs. */
52 #undef DEBUG_EXTENSIONS
53 #undef READER_EXTENSIONS
54
55 /* Define this if your system has a way to set a stdio stream's file
56 descriptor. */
57 #undef FD_SETTER
58
59 /* Set this to the name of a field in FILE which contains the number
60 of buffered characters waiting to be read. */
61 #undef FILE_CNT_FIELD
62
63 /* Define this if your stdio has _gptr and _egptr fields which can
64 be compared to give the number of buffered characters waiting to
65 be read. */
66 #undef FILE_CNT_GPTR
67
68 /* Define this if your stdio has _IO_read_ptr and _IO_read_end fields
69 which can be compared to give the number of buffered characters
70 waiting to be read. */
71 #undef FILE_CNT_READPTR
72
73 /* Define this if your system defines S_ISLNK in sys/stat.h */
74 #undef HAVE_S_ISLNK
75
76 /* Define this if your system defines struct linger, for use with the
77 getsockopt and setsockopt system calls. */
78 #undef HAVE_STRUCT_LINGER
79
80 /* Define this if floats are the same size as longs. */
81 #undef SCM_SINGLES
82
83 /* Define this if a callee's stack frame has a higher address than the
84 caller's stack frame. On most machines, this is not the case. */
85 #undef SCM_STACK_GROWS_UP
86
87 /* Define this if <utime.h> doesn't define struct utimbuf unless
88 _POSIX_SOURCE is #defined. See GUILE_STRUCT_UTIMBUF in aclocal.m4. */
89 #undef UTIMBUF_NEEDS_POSIX
90
91 /* Define this if we should #include <libc.h> when we've already
92 #included <unistd.h>. On some systems, they conflict, and libc.h
93 should be omitted. See GUILE_HEADER_LIBC_WITH_UNISTD in
94 aclocal.m4. */
95 #undef LIBC_H_WITH_UNISTD_H
96
97 /* Define this to include various undocumented functions used to debug
98 the Guile library itself. */
99 #undef GUILE_DEBUG
100
101 /* Define to implement scm_internal_select */
102 #undef GUILE_ISELECT
103
104 /* Define if using cooperative multithreading. */
105 #undef USE_COOP_THREADS
106
107 /* Define if using "FSU" pthreads. */
108 #undef USE_FSU_PTHREADS
109
110 /* Define if using MIT pthreads. */
111 #undef USE_MIT_PTHREADS
112
113 /* Define if using PCthreads pthreads. */
114 #undef USE_PCTHREADS_PTHREADS
115
116 /* Define if using any sort of threads. */
117 #undef USE_THREADS
118
119 /* Define if you want support for dynamic linking. */
120 #undef DYNAMIC_LINKING
121
122 /* Define if symbol tables on this system use leading underscores. */
123 #undef USCORE
124
125 /* Define if dlsym automatically supplies a leading underscore. */
126 #undef DLSYM_ADDS_USCORE
127
128 /* Define if the operating system can restart system calls. */
129 #undef HAVE_RESTARTS
130
131 /* Define if the system supports Unix-domain (file-domain) sockets. */
132 #undef HAVE_UNIX_DOMAIN_SOCKETS
133
134 /* This is included as part of a workaround for a autoheader bug. */
135 #undef HAVE_REGCOMP
136
137 /* Define if the operating system supplies bzero without declaring it. */
138 #undef MISSING_BZERO_DECL
139
140 /* Define if the operating system supplies strptime without declaring it. */
141 #undef MISSING_STRPTIME_DECL
142
143 /* Define if the operating system supplies sleep without declaring it. */
144 #undef MISSING_SLEEP_DECL
145
146 /* Define if the operating system supplies usleep without declaring it. */
147 #undef MISSING_USLEEP_DECL
148
149 /* Define if the system headers declare usleep to return void. */
150 #undef USLEEP_RETURNS_VOID
151
152 /* Define if your readline library has the rl_getc_function variable. */
153 #undef HAVE_RL_GETC_FUNCTION
154
155 /* Define if the compiler supports long longs. */
156 #undef HAVE_LONG_LONGS