diff --git a/build/build.properties b/build/build.properties
index 9d8dcb2..3343718 100644
--- a/build/build.properties
+++ b/build/build.properties
@@ -1,2 +1,2 @@
-extensions = svn
+extensions = svn,headers
 platform = vc80
diff --git a/build/build.xml b/build/build.xml
index ef66d5d..fa8eebb 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -12,6 +12,7 @@
   </target>
 
   <target name="test" description="run unit tests">
+    <build-lib name="turtle" depends="boost" mode="release"/>
     <build-test name="turtle" depends="boost" mode="all">
       <compilerarg value="-Wno-uninitialized" location="mid" if="is-cygwin"/>
     </build-test>
diff --git a/src/libraries/turtle/check.hpp b/src/libraries/turtle/check.hpp
index 4c908c4..a5fcf98 100644
--- a/src/libraries/turtle/check.hpp
+++ b/src/libraries/turtle/check.hpp
@@ -15,6 +15,7 @@
 #include "log.hpp"
 #include <boost/utility/enable_if.hpp>
 #include <boost/concept_check.hpp>
+#include <boost/noncopyable.hpp>
 #include <boost/ref.hpp>
 
 namespace mock