diff --git a/CMakeLists.txt b/CMakeLists.txt
index d69b8c4c77..11ef4752f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -186,19 +186,19 @@ set_property(DIRECTORY PROPERTY EP_PREFIX ${EXTERNAL_PROJECT_PREFIX})
 setup_externals_binary_dir()
 
 # setup options to grab external project dependencies
-#option(GET_BULLET "Get Bullet library automatically as external project" 1)
-#option(GET_GLM "Get GLM library automatically as external project" 1)
-#option(GET_GVERB "Get Gverb library automatically as external project" 1)
-#option(GET_TBB "Get Threading Building Blocks library automatically as external project" 1)
-#option(GET_LIBOVR "Get LibOVR library automatically as external project" 1)
-#option(GET_VHACD "Get V-HACD library automatically as external project" 1)
-#option(GET_POLYVOX "Get polyvox library automatically as external project" 1)
-#option(GET_OPENVR "Get OpenVR library automatically as external project" 1)
-#option(GET_BOOSTCONFIG "Get Boost-config library automatically as external project" 1)
-#option(GET_OGLPLUS "Get OGLplus library automatically as external project" 1)
-#option(GET_GLEW "Get GLEW library automatically as external project" 1)
-#option(GET_SDL2 "Get SDL2 library automatically as external project" 1)
-#option(GET_SIXENSE "Get Sixense library automatically as external project" 1)
+option(GET_BULLET "Get Bullet library automatically as external project" 1)
+option(GET_GLM "Get GLM library automatically as external project" 1)
+option(GET_GVERB "Get Gverb library automatically as external project" 1)
+option(GET_TBB "Get Threading Building Blocks library automatically as external project" 1)
+option(GET_LIBOVR "Get LibOVR library automatically as external project" 1)
+option(GET_VHACD "Get V-HACD library automatically as external project" 1)
+option(GET_POLYVOX "Get polyvox library automatically as external project" 1)
+option(GET_OPENVR "Get OpenVR library automatically as external project" 1)
+option(GET_BOOSTCONFIG "Get Boost-config library automatically as external project" 1)
+option(GET_OGLPLUS "Get OGLplus library automatically as external project" 1)
+option(GET_GLEW "Get GLEW library automatically as external project" 1)
+option(GET_SDL2 "Get SDL2 library automatically as external project" 1)
+option(GET_SIXENSE "Get Sixense library automatically as external project" 1)
 
 option(USE_NSIGHT "Attempt to find the nSight libraries" 1)