--- mapnik-v3.0.9/SConstruct.orig	2015-12-17 12:21:38.349046436 +0100
+++ mapnik-v3.0.9/SConstruct	2015-12-17 12:22:13.035596111 +0100
@@ -1407,7 +1407,7 @@
         ]
 
         if env['THREADING'] == 'multi':
-            BOOST_LIBSHEADERS.append(['thread', 'boost/thread/mutex.hpp', True])
+            BOOST_LIBSHEADERS.append(['thread-mt', 'boost/thread/mutex.hpp', True])
             # on solaris the configure checks for boost_thread
             # require the -pthreads flag to be able to check for
             # threading support, so we add as a global library instead