diff -up ./bin/phpcompatinfo.json.dist.rpm ./bin/phpcompatinfo.json.dist
--- ./bin/phpcompatinfo.json.dist.rpm	2015-07-11 10:04:30.000000000 +0200
+++ ./bin/phpcompatinfo.json.dist	2015-07-13 09:06:15.108698079 +0200
@@ -6,6 +6,19 @@
         }
     ],
     "plugins": [
+        {
+            "name": "Cache",
+            "class": "Bartlett\\Reflect\\Plugin\\CachePlugin",
+            "options": {
+                "adapter": "DoctrineCacheAdapter",
+                "backend": {
+                    "class": "Doctrine\\Common\\Cache\\FilesystemCache",
+                    "args": [
+                        "%{HOME}/.cache/php-reflect"
+                    ]
+                }
+            }
+        }
     ],
     "analysers" : [
     ],
diff -up ./bin/phpcompatinfo.rpm ./bin/phpcompatinfo
--- ./bin/phpcompatinfo.rpm	2015-07-11 10:04:30.000000000 +0200
+++ ./bin/phpcompatinfo	2015-07-13 09:06:15.114698099 +0200
@@ -1,23 +1,12 @@
 #!/usr/bin/env php
 <?php
 $appName = 'phpCompatInfo';
+$vendorDir = '/usr/share/php';
 
-if (\Phar::running()) {
-    $vendorDir = 'phar://' . strtolower($appName) . '.phar/vendor';
-} else {
-    $baseDir   = dirname(__DIR__);
-    $vendorDir = $baseDir . '/vendor';
-
-    if (!file_exists($vendorDir . '/autoload.php')) {
-        $vendorDir = dirname(dirname($baseDir));
-    }
-
-    if (!getenv("BARTLETTRC")) {
-        putenv("BARTLETTRC=" . strtolower($appName) . '.json');
-    }
+require_once $vendorDir . '/Bartlett/CompatInfo/autoload.php';
+if (!getenv("BARTLETTRC")) {
+     putenv("BARTLETTRC=" . strtolower($appName) . '.json');
 }
-$loader = require_once $vendorDir . '/autoload.php';
-$loader->setUseIncludePath(true);
 
 if (\Phar::running()) {
     if ($home) {
@@ -35,18 +24,10 @@ if (PHP_SAPI !== 'cli') {
     return;
 }
 
-if (\Phar::running()) {
-    try {
-        Bartlett\CompatInfo\Environment::checkRequirements();
-    } catch (\RuntimeException $e) {
-        die ($e->getMessage());
-    }
-}
-
 use Bartlett\Reflect\Environment;
 use Bartlett\CompatInfo\Console\Application;
 
 Environment::setScanDir();
 
-$application = new Application($appName, '4.3');
+$application = new Application($appName, '@package_version@');
 $application->run();
diff -up ./data/handleDB.php.rpm ./data/handleDB.php
--- ./data/handleDB.php.rpm	2015-07-11 10:04:30.000000000 +0200
+++ ./data/handleDB.php	2015-07-13 09:06:15.108698079 +0200
@@ -11,7 +11,8 @@
  * @since    Release 4.0.0alpha3
  */
 
-require_once dirname(__DIR__) . '/vendor/autoload.php';
+require_once __DIR__ . '/../src/Bartlett/CompatInfo/autoload.php';
+
 require_once __DIR__ . '/ReferenceCollection.php';
 
 use Bartlett\CompatInfo\Reference\ExtensionFactory;
diff -up ./src/Bartlett/CompatInfo/Environment.php.rpm ./src/Bartlett/CompatInfo/Environment.php
--- ./src/Bartlett/CompatInfo/Environment.php.rpm	2015-07-13 09:10:10.271476463 +0200
+++ ./src/Bartlett/CompatInfo/Environment.php	2015-07-13 09:10:52.422615982 +0200
@@ -36,6 +36,12 @@ class Environment
      */
     public static function initRefDb()
     {
+        if (($database = getenv('BARTLETT_COMPATINFO_DB')) && file_exists($database)) {
+            return new \PDO('sqlite:' . $database);
+        } else if (file_exists($database = '/usr/share/php-bartlett-PHP-CompatInfo/compatinfo.sqlite')) {
+            return new \PDO('sqlite:' . $database);
+        }
+
         $database = 'compatinfo.sqlite';
         $tempDir  = sys_get_temp_dir() . '/bartlett';
 
diff -up ./tests/bootstrap.php.rpm ./tests/bootstrap.php
--- ./tests/bootstrap.php.rpm	2015-07-11 10:04:30.000000000 +0200
+++ ./tests/bootstrap.php	2015-07-13 09:06:15.108698079 +0200
@@ -1,8 +1,11 @@
 <?php
 
 $baseDir   = dirname(__DIR__);
-$vendorDir = $baseDir . '/vendor';
+$vendorDir = '/usr/share/php';
 
-require_once $vendorDir . '/autoload.php';
+require_once 'Bartlett/CompatInfo/autoload.php';
+$fedoraClassLoader->addPrefix('Bartlett\\Tests\\CompatInfo', $baseDir . '/tests');
 
+putenv('BARTLETT_COMPATINFO_DB='.dirname(__DIR__).'/data/compatinfo.sqlite');
+# Class not catched by autoloader
 require __DIR__ . '/Reference/GenericTest.php';