/[pcre]/code/trunk/config.in
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Contents of /code/trunk/config.in

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Revision 63 - (show annotations) (download)
Sat Feb 24 21:40:03 2007 UTC (7 years, 7 months ago) by nigel
File size: 2883 byte(s)
Load pcre-4.0 into code/trunk.

1
2 /* On Unix systems config.in is converted by configure into config.h. PCRE is
3 written in Standard C, but there are a few non-standard things it can cope
4 with, allowing it to run on SunOS4 and other "close to standard" systems.
5
6 On a non-Unix system you should just copy this file into config.h, and set up
7 the macros the way you need them. You should normally change the definitions of
8 HAVE_STRERROR and HAVE_MEMMOVE to 1. Unfortunately, because of the way autoconf
9 works, these cannot be made the defaults. If your system has bcopy() and not
10 memmove(), change the definition of HAVE_BCOPY instead of HAVE_MEMMOVE. If your
11 system has neither bcopy() nor memmove(), leave them both as 0; an emulation
12 function will be used. */
13
14 /* Define to empty if the keyword does not work. */
15
16 #undef const
17
18 /* Define to `unsigned' if <stddef.h> doesn't define size_t. */
19
20 #undef size_t
21
22 /* The following two definitions are mainly for the benefit of SunOS4, which
23 doesn't have the strerror() or memmove() functions that should be present in
24 all Standard C libraries. The macros HAVE_STRERROR and HAVE_MEMMOVE should
25 normally be defined with the value 1 for other systems, but unfortunately we
26 can't make this the default because "configure" files generated by autoconf
27 will only change 0 to 1; they won't change 1 to 0 if the functions are not
28 found. */
29
30 #define HAVE_STRERROR 0
31 #define HAVE_MEMMOVE 0
32
33 /* There are some non-Unix systems that don't even have bcopy(). If this macro
34 is false, an emulation is used. If HAVE_MEMMOVE is set to 1, the value of
35 HAVE_BCOPY is not relevant. */
36
37 #define HAVE_BCOPY 0
38
39 /* The value of NEWLINE determines the newline character. The default is to
40 leave it up to the compiler, but some sites want to force a particular value.
41 On Unix systems, "configure" can be used to override this default. */
42
43 #ifndef NEWLINE
44 #define NEWLINE '\n'
45 #endif
46
47 /* The value of LINK_SIZE determines the number of bytes used to store
48 links as offsets within the compiled regex. The default is 2, which allows for
49 compiled patterns up to 64K long. This covers the vast majority of cases.
50 However, PCRE can also be compiled to use 3 or 4 bytes instead. This allows for
51 longer patterns in extreme cases. On Unix systems, "configure" can be used to
52 override this default. */
53
54 #ifndef LINK_SIZE
55 #define LINK_SIZE 2
56 #endif
57
58 /* The value of MATCH_LIMIT determines the default number of times the match()
59 function can be called during a single execution of pcre_exec(). (There is a
60 runtime method of setting a different limit.) The limit exists in order to
61 catch runaway regular expressions that take for ever to determine that they do
62 not match. The default is set very large so that it does not accidentally catch
63 legitimate cases. On Unix systems, "configure" can be used to override this
64 default default. */
65
66 #ifndef MATCH_LIMIT
67 #define MATCH_LIMIT 10000000
68 #endif
69
70 /* End */

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