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diff -ur pcl-pcl-1.7.1.orig/visualization/CMakeLists.txt pcl-pcl-1.7.1/visualization/CMakeLists.txt
--- pcl-pcl-1.7.1.orig/visualization/CMakeLists.txt	2014-05-09 20:37:41.000000000 +1000
+++ pcl-pcl-1.7.1/visualization/CMakeLists.txt	2014-05-09 20:48:58.000000000 +1000
@@ -171,6 +171,8 @@
         add_subdirectory(test)
     endif(BUILD_TESTS)
 
-    add_subdirectory(tools)
+    if(BUILD_tools)
+        add_subdirectory(tools)
+    endif(BUILD_tools)
 
 endif(build)