diff -ur webapp-config-1.50.12.orig/WebappConfig/sandbox.py webapp-config-1.50.12/WebappConfig/sandbox.py
--- webapp-config-1.50.12.orig/WebappConfig/sandbox.py	2006-03-06 03:59:14.000000000 -0500
+++ webapp-config-1.50.12/WebappConfig/sandbox.py	2006-03-06 14:11:06.000000000 -0500
@@ -26,7 +26,7 @@
 
 import os, string, time
 
-from WebappConfig.wrapper   import config_abi
+from WebappConfig.wrapper   import config_libdir
 
 from WebappConfig.debug     import OUT
 
@@ -39,8 +39,8 @@
     def __init__(self, config):
 
         self.config     = config
-        self.__path     =  ['/usr/lib/libsandbox.so', '/lib/libsandbox.so',
-                            config_abi + '/libsandbox.so']
+        self.__path     =  [config_libdir + '/libsandbox.so',
+                           '/usr/lib/libsandbox.so', '/lib/libsandbox.so']
         self.__export   = {}
         self.__write    = ['g_installdir',
                            'g_htdocsdir',
diff -ur webapp-config-1.50.12.orig/WebappConfig/wrapper.py webapp-config-1.50.12/WebappConfig/wrapper.py
--- webapp-config-1.50.12.orig/WebappConfig/wrapper.py	2006-03-06 04:06:17.000000000 -0500
+++ webapp-config-1.50.12/WebappConfig/wrapper.py	2006-03-06 14:52:59.000000000 -0500
@@ -47,10 +47,19 @@
 # Variable for config protected files (used by protect.py)
 config_protect  = portage.settings['CONFIG_PROTECT']
 
+# Try to derive the correct libdir location by first examining the portage
+# variable ABI then using it to determine the appropriate variable to read. For
+# example, if ABI == 'amd64' then read LIBDIR_amd64. This routine should work on
+# all arches as it sets '/usr/lib' as a fallback. See bugs #125032 and #125156.
 if 'ABI' in portage.settings.keys():
-    config_abi      = portage.settings['ABI']
+    config_abi  = portage.settings['ABI']
+    if 'LIBDIR_' + config_abi in portage.settings.keys():
+        config_libdir = '/usr/' + portage.settings['LIBDIR_' + config_abi]
+    else:
+        # This shouldn't happen but we want to know if it ever does
+        OUT.die('Failed to determine libdir from portage.settings[\'LIBDIR_' + config_abi + '\']\n')
 else:
-    config_abi      = '/usr/lib'
+    config_libdir = '/usr/lib'
 
 protect_prefix  = '._cfg'
 update_command  = 'etc-update'