use_catkinized_metis.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77434d135..ac37fd24b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -294,10 +294,12 @@ endif()
 include_directories(BEFORE SYSTEM ${Boost_INCLUDE_DIR})
 
 if(GTSAM_SUPPORT_NESTED_DISSECTION)
-  set(METIS_INCLUDE_DIRECTORIES
-    gtsam/3rdparty/metis/include
-    gtsam/3rdparty/metis/libmetis
-    gtsam/3rdparty/metis/GKlib)
+  find_package(metis_catkin REQUIRED)
+  set(METIS_INCLUDE_DIRECTORIES ${metis_catkin_INCLUDE_DIRS})
+  set(METIS_LIBRARIES ${metis_catkin_LIBRARIES})
+  message("metis catkin libs: ${metis_catkin_LIBRARIES}")
+  add_library(metis SHARED IMPORTED)
+  set_property(TARGET metis PROPERTY IMPORTED_LOCATION ${metis_catkin_LIBRARIES})
 else()
   set(METIS_INCLUDE_DIRECTORIES)
 endif()
diff --git a/gtsam/3rdparty/CMakeLists.txt b/gtsam/3rdparty/CMakeLists.txt
index b890bc4af..d5def0bb3 100644
--- a/gtsam/3rdparty/CMakeLists.txt
+++ b/gtsam/3rdparty/CMakeLists.txt
@@ -43,9 +43,6 @@ if(NOT GTSAM_USE_SYSTEM_EIGEN)
 endif()
 
 option(GTSAM_BUILD_METIS_EXECUTABLES "Build metis library executables" OFF)
-if(GTSAM_SUPPORT_NESTED_DISSECTION)
-	add_subdirectory(metis)
-endif()
 
 add_subdirectory(ceres)