2 -- Copyright (C) 2008-2009 Matthew Wild
3 -- Copyright (C) 2008-2009 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
12 local function softreq(...) local ok, lib = pcall(require, ...); if ok then return lib; else return nil, lib; end end
14 local function missingdep(name, sources, msg)
16 print("**************************");
17 print("Prosody was unable to find "..tostring(name));
18 print("This package can be obtained in the following ways:");
20 local longest_platform = 0;
21 for platform in pairs(sources) do
22 longest_platform = math.max(longest_platform, #platform);
24 for platform, source in pairs(sources) do
25 print("", platform..":"..(" "):rep(4+longest_platform-#platform)..source);
28 print(msg or (name.." is required for Prosody to run, so we will now exit."));
29 print("More help can be found on our website, at http://prosody.im/doc/depends");
30 print("**************************");
34 local lxp = softreq "lxp"
37 missingdep("luaexpat", { ["Ubuntu 8.04 (Hardy)"] = "sudo apt-get install liblua5.1-expat0"; ["luarocks"] = "luarocks install luaexpat"; });
41 local socket = softreq "socket"
44 missingdep("luasocket", { ["Ubuntu 8.04 (Hardy)"] = "sudo apt-get install liblua5.1-socket2"; ["luarocks"] = "luarocks install luasocket"; });
48 local ssl = softreq "ssl"
51 if config.get("*", "core", "run_without_ssl") then
52 log("warn", "Running without SSL support because run_without_ssl is defined in the config");
54 missingdep("LuaSec", { ["Source"] = "http://www.inf.puc-rio.br/~brunoos/luasec/" }, "SSL/TLS support will not be available");
58 local encodings, err = softreq "util.encodings"
60 if err:match("not found") then
61 missingdep("util.encodings", { ["Windows"] = "Make sure you have encodings.dll from the Prosody distribution in util/";
62 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/encodings.so";
65 print "***********************************"
66 print("util/encodings couldn't be loaded. Check that you have a recent version of libidn");
68 print("The full error was:");
70 print "***********************************"
75 local hashes, err = softreq "util.hashes"
77 if err:match("not found") then
78 missingdep("util.hashes", { ["Windows"] = "Make sure you have hashes.dll from the Prosody distribution in util/";
79 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/hashes.so";
82 print "***********************************"
83 print("util/hashes couldn't be loaded. Check that you have a recent version of OpenSSL (libcrypto in particular)");
85 print("The full error was:");
87 print "***********************************"
92 if fatal then os.exit(1); end