--- files.py.orig	Fri Dec  7 21:46:28 2007
+++ files.py	Tue Jan 18 12:23:50 2011
@@ -63,13 +63,13 @@ def bin():
         return 'bin'
 
 def bin_dir():
-    return os.path.join(program_dir(), bin())
+    return '${TRUEPREFIX}/libexec/prover9/'
 
 def image_dir():
-    return os.path.join(program_dir(), 'Images')
+    return '${TRUEPREFIX}/share/p9m4/Images/'
 
 def sample_dir():
-    return os.path.join(program_dir(), 'Samples')
+    return '${TRUEPREFIX}/share/p9m4/Samples/'
 
 def binary_ok(fullpath):
     if not fullpath: