change Debug to Release in CMAKE_BUILD_TYPE

build.xml

@@ -17,7 +17,7 @@
         <exec executable="cmake" failonerror="true" dir="${build}">
             <arg value="-GUnix Makefiles" />
             <arg value="${basedir}" />
-            <arg value="-DCMAKE_BUILD_TYPE=Debug" />
+            <arg value="-DCMAKE_BUILD_TYPE=Release" />
         </exec>
     </target>