From d11b90aa47767eee7a82acdb4a5055df71a542cf Mon Sep 17 00:00:00 2001
From: Patrick Shriwise <pshriwise@gmail.com>
Date: Sat, 13 Oct 2018 20:09:53 -0500
Subject: [PATCH] Fixing global plot variable definitions.

---
 include/openmc/plot.h | 14 +++++++-------
 src/plot.cpp          |  8 ++++++++
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/include/openmc/plot.h b/include/openmc/plot.h
index a5fc870e7..0f4b5166b 100644
--- a/include/openmc/plot.h
+++ b/include/openmc/plot.h
@@ -16,13 +16,13 @@ namespace openmc {
 
   class ObjectPlot;
 
-  int PLOT_LEVEL_LOWEST = -1;
+  extern int PLOT_LEVEL_LOWEST;
 
-  std::map<int, int> plot_dict;
+  extern std::map<int, int> plot_dict;
 
-  int n_plots;
+  extern int n_plots;
 
-  std::vector<ObjectPlot*> plots;
+  extern std::vector<ObjectPlot*> plots;
 
   enum PLOT_TYPE {
     SLICE = 1,
@@ -55,7 +55,7 @@ namespace openmc {
   struct ObjectPlot {
 
     ObjectPlot(pugi::xml_node plot);
-    
+
     int id;
     int type;
     int color_by;
@@ -74,9 +74,9 @@ namespace openmc {
   };
 
   //extern "C" int openmc_plot_geometry();
-  
+
 extern "C" void read_plots(pugi::xml_node* plot_node);
-  
+
 extern "C" void create_ppm(ObjectPlot* pl);
 
 extern "C" void create_voxel(ObjectPlot *pl);
diff --git a/src/plot.cpp b/src/plot.cpp
index 61a22bde7..3c7d4cbb3 100644
--- a/src/plot.cpp
+++ b/src/plot.cpp
@@ -17,6 +17,14 @@
 
 namespace openmc {
 
+  int PLOT_LEVEL_LOWEST = -1;
+
+  std::map<int, int> plot_dict;
+
+  int n_plots;
+
+  std::vector<ObjectPlot*> plots;
+
 const int RED   = 0;
 const int GREEN = 1;
 const int BLUE  = 2;