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