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/src/ares/README

http://github.com/joyent/libuv
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 1c-ares
 2======
 3
 4This is c-ares, an asynchronous resolver library.  It is intended for
 5applications which need to perform DNS queries without blocking, or need to
 6perform multiple DNS queries in parallel.  The primary examples of such
 7applications are servers which communicate with multiple clients and programs
 8with graphical user interfaces.
 9
10The full source code is available in the 'c-ares' release archives, and in a
11git repository: http://github.com/bagder/c-ares
12
13If you find bugs, correct flaws, have questions or have comments in general in
14regard to c-ares (or by all means the original ares too), get in touch with us
15on the c-ares mailing list: http://cool.haxx.se/mailman/listinfo/c-ares
16
17c-ares is of course distributed under the same MIT-style license as the
18original ares.
19
20You'll find all c-ares details and news here:
21
22        http://c-ares.haxx.se/
23
24
25NOTES FOR C-ARES HACKERS
26
27The following notes apply to c-ares version 1.7.0 and later.
28
29* The distributed ares_build.h file is only intended to be used on systems
30  which can not run the also distributed configure script.
31
32* The distributed ares_build.h file is generated as a copy of ares_build.h.dist
33  when the c-ares source code distribution archive file is originally created.
34
35* If you check out from git on a non-configure platform, you must run the
36  appropriate buildconf* script to set up ares_build.h and other local files
37  before being able of compiling the library.
38
39* On systems capable of running the configure script, the configure process
40  will overwrite the distributed ares_build.h file with one that is suitable
41  and specific to the library being configured and built, this new file is
42  generated from the ares_build.h.in template file.
43
44* If you intend to distribute an already compiled c-ares library you _MUST_
45  also distribute along with it the generated ares_build.h which has been
46  used to compile it. Otherwise the library will be of no use for the users of
47  the library that you have built. It is _your_ responsibility to provide this
48  file. No one at the c-ares project can know how you have built the library.
49
50* File ares_build.h includes platform and configuration dependent info,
51  and must not be modified by anyone. Configure script generates it for you.
52
53* We cannot assume anything else but very basic compiler features being
54  present. While c-ares requires an ANSI C compiler to build, some of the
55  earlier ANSI compilers clearly can't deal with some preprocessor operators.
56
57* Newlines must remain unix-style for older compilers' sake.
58
59* Comments must be written in the old-style /* unnested C-fashion */
60