--- setup.py.orig	2014-03-02 14:53:04.000000000 -0500
+++ setup.py	2014-03-02 14:54:45.000000000 -0500
@@ -98,6 +98,9 @@
 if len(results) == 0:
   results = glob.glob(os.path.join('/', 'usr', 'local', 'include', 'tsk*'))
 
+if len(results) == 0:
+  results = glob.glob(os.path.join(os.environ['TSK_HEADERS_PATH'], 'tsk*'))
+
 # If the headers are not found in the usual places check the parent directory.
 if len(results) == 0:
   results = glob.glob(os.path.join('..', 'sleuthkit*', 'tsk*'))