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local fatal;
local function softreq(...) local ok, lib = pcall(require, ...); if ok then return lib; else return nil; 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("");
for k,v in pairs(sources) do
print("", k, v);
end
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://.../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
missingdep("LuaSec", { ["Source"] = "http://www.inf.puc-rio.br/~brunoos/luasec/" }, "SSL/TLS support will not be available");
end
local md5 = softreq "md5";
if not md5 then
missingdep("MD5", { ["luarocks"] = "luarocks install md5"; ["Source"] = "http://luaforge.net/frs/?group_id=155" });
fatal = true;
end
if fatal then os.exit(1); end
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