From 91aa70c6320461ae65600dce954b5ffb905b7039 Mon Sep 17 00:00:00 2001
From: Eli Schwartz <eschwartz93@gmail.com>
Date: Mon, 9 Apr 2018 12:36:35 -0400
Subject: [PATCH] Do not vendor the pugixml library

This prevents trying to co-install pugixml with existing system
libraries, and also fixes the includes for pugixml.hpp to actually use
the include path added by find_package/add_subdirectory instead of a
hardcoded relative path.
---
 CMakeLists.txt             |     3 +-
 pugixml/CMakeLists.txt     |    80 -
 pugixml/src/pugiconfig.hpp |    74 -
 pugixml/src/pugixml.cpp    | 12622 -------------------------------------------
 pugixml/src/pugixml.hpp    |  1434 -----
 src/MeshData.cpp           |     7 +-
 src/Scene.cpp              |     2 +-
 src/SceneNode.cpp          |     3 +-
 src/ThreeMFParser.h        |     4 +-
 9 files changed, 7 insertions(+), 14222 deletions(-)
 delete mode 100644 pugixml/CMakeLists.txt
 delete mode 100644 pugixml/src/pugiconfig.hpp
 delete mode 100644 pugixml/src/pugixml.cpp
 delete mode 100644 pugixml/src/pugixml.hpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5e991a7..1077c7f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,8 +7,7 @@ include(CMakePackageConfigHelpers)
 option(BUILD_PYTHON "Build " ON)
 option(BUILD_STATIC "Build as a static library" OFF)
 
-
-add_subdirectory(pugixml)
+find_package(pugixml REQUIRED)
 
 if(BUILD_PYTHON)
     set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
diff --git a/src/MeshData.cpp b/src/MeshData.cpp
index 03e5089..701122d 100644
--- a/src/MeshData.cpp
+++ b/src/MeshData.cpp
@@ -17,7 +17,7 @@
  */
 
 #include "MeshData.h"
-#include "../pugixml/src/pugixml.hpp"
+#include <pugixml.hpp>
 #include <iostream>
 
 using namespace Savitar;
@@ -85,7 +85,7 @@ bytearray MeshData::getFlatVerticesAsBytes()
         int v1 = faces.at(i).getV1();
         int v2 = faces.at(i).getV2();
         int v3 = faces.at(i).getV3();
-        
+
         // Add vertices for face 1
         float x = vertices.at(v1).getX();
         float y = vertices.at(v1).getY();
@@ -188,6 +188,3 @@ std::vector< Vertex > MeshData::getVertices()
 {
     return vertices;
 }
-
-
-
diff --git a/src/Scene.cpp b/src/Scene.cpp
index 4612f78..f218b71 100644
--- a/src/Scene.cpp
+++ b/src/Scene.cpp
@@ -17,7 +17,7 @@
  */
 
 #include "Scene.h"
-#include "../pugixml/src/pugixml.hpp"
+#include <pugixml.hpp>
 #include <iostream>
 #include <string>
 using namespace Savitar;
diff --git a/src/SceneNode.cpp b/src/SceneNode.cpp
index 5c95b6f..c4782bc 100644
--- a/src/SceneNode.cpp
+++ b/src/SceneNode.cpp
@@ -17,7 +17,7 @@
  */
 
 #include "SceneNode.h"
-#include "../pugixml/src/pugixml.hpp"
+#include <pugixml.hpp>
 #include <iostream>
 using namespace Savitar;
 
@@ -121,4 +121,3 @@ std::vector< SceneNode*> SceneNode::getAllChildren()
     }
     return all_children;
 }
-
diff --git a/src/ThreeMFParser.h b/src/ThreeMFParser.h
index 3394683..89da659 100644
--- a/src/ThreeMFParser.h
+++ b/src/ThreeMFParser.h
@@ -21,7 +21,7 @@
 
 #include "SavitarExport.h"
 #include "SceneNode.h"
-#include "../pugixml/src/pugixml.hpp"
+#include <pugixml.hpp>
 
 #include <string>
 namespace Savitar
@@ -44,4 +44,4 @@ namespace Savitar
         std::string sceneToString(Scene scene);
     };
 }
-#endif
\ No newline at end of file
+#endif