diff -urN libSavitar-4.2.0_old/CMakeLists.txt libSavitar-4.2.0/CMakeLists.txt
--- libSavitar-4.2.0_old/CMakeLists.txt	2019-07-30 09:03:53.000000000 +0300
+++ libSavitar-4.2.0/CMakeLists.txt	2019-08-04 17:23:27.099395645 +0300
@@ -15,7 +15,7 @@
     find_package(Threads QUIET)
 endif()
 
-add_subdirectory(pugixml)
+find_package(pugixml REQUIRED)
 
 if(BUILD_PYTHON)
     list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
diff -urN libSavitar-4.2.0_old/src/MeshData.cpp libSavitar-4.2.0/src/MeshData.cpp
--- libSavitar-4.2.0_old/src/MeshData.cpp	2019-07-30 09:03:53.000000000 +0300
+++ libSavitar-4.2.0/src/MeshData.cpp	2019-08-04 17:23:59.891051757 +0300
@@ -17,7 +17,7 @@
  */
 
 #include "MeshData.h"
-#include "../pugixml/src/pugixml.hpp"
+#include <pugixml.hpp>
 #include <cstring>
 #include <iostream>
 #include <stdexcept> //For std::runtime_error.
diff -urN libSavitar-4.2.0_old/src/Scene.cpp libSavitar-4.2.0/src/Scene.cpp
--- libSavitar-4.2.0_old/src/Scene.cpp	2019-07-30 09:03:53.000000000 +0300
+++ libSavitar-4.2.0/src/Scene.cpp	2019-08-04 17:24:10.425265944 +0300
@@ -17,7 +17,7 @@
  */
 
 #include "Scene.h"
-#include "../pugixml/src/pugixml.hpp"
+#include <pugixml.hpp>
 #include <iostream>
 #include <string>
 using namespace Savitar;
diff -urN libSavitar-4.2.0_old/src/SceneNode.cpp libSavitar-4.2.0/src/SceneNode.cpp
--- libSavitar-4.2.0_old/src/SceneNode.cpp	2019-07-30 09:03:53.000000000 +0300
+++ libSavitar-4.2.0/src/SceneNode.cpp	2019-08-04 17:24:31.617696840 +0300
@@ -17,7 +17,7 @@
  */
 
 #include "SceneNode.h"
-#include "../pugixml/src/pugixml.hpp"
+#include <pugixml.hpp>
 #include <iostream>
 using namespace Savitar;
 
diff -urN libSavitar-4.2.0_old/src/ThreeMFParser.h libSavitar-4.2.0/src/ThreeMFParser.h
--- libSavitar-4.2.0_old/src/ThreeMFParser.h	2019-07-30 09:03:53.000000000 +0300
+++ libSavitar-4.2.0/src/ThreeMFParser.h	2019-08-04 17:24:53.996151843 +0300
@@ -21,7 +21,7 @@
 
 #include "SavitarExport.h"
 #include "SceneNode.h"
-#include "../pugixml/src/pugixml.hpp"
+#include <pugixml.hpp>
 
 #include <string>
 namespace Savitar