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

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Revision 63 - (hide annotations) (download)
Sat Feb 24 21:40:03 2007 UTC (7 years, 5 months ago) by nigel
File size: 2883 byte(s)
Load pcre-4.0 into code/trunk.

1 nigel 41
2 nigel 43 /* 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 nigel 41
6 nigel 53 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 nigel 43
14     /* Define to empty if the keyword does not work. */
15    
16 nigel 41 #undef const
17    
18 nigel 43 /* Define to `unsigned' if <stddef.h> doesn't define size_t. */
19    
20 nigel 41 #undef size_t
21    
22 nigel 43 /* 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 nigel 47 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 nigel 53 found. */
29 nigel 41
30 nigel 43 #define HAVE_STRERROR 0
31     #define HAVE_MEMMOVE 0
32 nigel 53
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 nigel 47 #define HAVE_BCOPY 0
38 nigel 41
39 nigel 53 /* 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 nigel 63 /* 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 nigel 41 /* End */

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