ejabberdsql2prosody: Improved help message

[prosody.git] / util / dependencies.lua

diff --git a/util/dependencies.lua b/util/dependencies.lua
index d841b30da2a36bb70b265432a29ab81a8daf6f42..5b07072f1350ab05b8663b869ac348e4bb2db360 100644 (file)
--- a/util/dependencies.lua
+++ b/util/dependencies.lua
@@ -1,26 +1,15 @@
--- Prosody IM v0.1
--- Copyright (C) 2008 Matthew Wild
--- Copyright (C) 2008 Waqas Hussain
+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
 -- 
--- This program is free software; you can redistribute it and/or
--- modify it under the terms of the GNU General Public License
--- as published by the Free Software Foundation; either version 2
--- of the License, or (at your option) any later version.
--- 
--- This program is distributed in the hope that it will be useful,
--- but WITHOUT ANY WARRANTY; without even the implied warranty of
--- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--- GNU General Public License for more details.
--- 
--- You should have received a copy of the GNU General Public License
--- along with this program; if not, write to the Free Software
--- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+-- 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; end end
+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("");
@@ -62,5 +51,38 @@ if not ssl then
        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