Removing MY_MOODLE_FORMAT constant, we just play along with relative paths.

blocks/activity_modules/block_activity_modules.php

@@ -34,8 +34,7 @@ class block_activity_modules extends block_list {
     }
 
     function applicable_formats() {
-        require_once($GLOBALS['CFG']->dirroot.'/my/pagelib.php');
-        return array('all' => true, 'mod' => false, MY_MOODLE_FORMAT => false);
+        return array('all' => true, 'mod' => false, 'my' => false);
     }
 }
 

blocks/admin/block_admin.php

@@ -208,8 +208,7 @@ class block_admin extends block_list {
     }
 
     function applicable_formats() {
-        require_once($GLOBALS['CFG']->dirroot.'/my/pagelib.php');
-        return array('all' => true, 'mod' => false, MY_MOODLE_FORMAT => false);
+        return array('all' => true, 'mod' => false, 'my' => false);
     }
 }
 

blocks/participants/block_participants.php

@@ -44,8 +44,7 @@ class block_participants extends block_list {
     
     // my moodle can only have SITEID and it's redundant here, so take it away
     function applicable_formats() {
-        require_once($GLOBALS['CFG']->dirroot.'/my/pagelib.php');
-        return array('all' => true, MY_MOODLE_FORMAT => false);
+        return array('all' => true, 'my' => false);
     }
 
 }

blocks/recent_activity/block_recent_activity.php

@@ -33,8 +33,7 @@ class block_recent_activity extends block_base {
     }
 
     function applicable_formats() {
-        require_once($GLOBALS['CFG']->dirroot.'/my/pagelib.php');
-        return array('all' => true, MY_MOODLE_FORMAT => false);
+        return array('all' => true, 'my' => false);
     }
 }
 ?>