diff --git a/cmake/install-package-config-files.cmake b/cmake/install-package-config-files.cmake
index 7fe282b8b5..a2fcb43c74 100644
--- a/cmake/install-package-config-files.cmake
+++ b/cmake/install-package-config-files.cmake
@@ -6,7 +6,7 @@ function(osgearth_package_install_config_files)
     include(CMakePackageConfigHelpers)
 
     # main target include dir
-    set(INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}/osgearth")
+    set(INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}")
 
     configure_package_config_file(
         "${PROJECT_SOURCE_DIR}/cmake/osgearth-config.cmake.in"
diff --git a/cmake/osgearth-macros.cmake b/cmake/osgearth-macros.cmake
index dcabe0704e..287fe3e8d8 100644
--- a/cmake/osgearth-macros.cmake
+++ b/cmake/osgearth-macros.cmake
@@ -170,7 +170,7 @@ macro(add_osgearth_library)
     cmake_parse_arguments(MY "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
     
     set(INSTALL_INCLUDE_FOLDER ${CMAKE_INSTALL_INCLUDEDIR}/${MY_TARGET})
-    
+
     set(ALL_HEADERS ${MY_HEADERS} ${MY_IMGUI_HEADERS} ${MY_PUBLIC_HEADERS})
     include_directories(${MY_INCLUDE_DIRECTORIES})        
 
@@ -179,11 +179,11 @@ macro(add_osgearth_library)
     source_group("Headers" FILES ${ALL_HEADERS})
     source_group("Shaders" FILES ${MY_SHADERS} )
     source_group("Templates" FILES ${MY_TEMPLATES} )
-    
+
     if(NOT MY_STATIC)
         set(MY_STATIC ${OSGEARTH_DYNAMIC_OR_STATIC})
     endif()
-    
+
     # create the library.
     add_library(
         ${MY_TARGET}
@@ -192,8 +192,6 @@ macro(add_osgearth_library)
         ${MY_SOURCES}
         ${MY_SHADERS}
         ${MY_TEMPLATES} )
-        
-    include_directories(${MY_INCLUDE_DIRECTORIES})
 
     # Link:
     if(NOT "${MY_TARGET}" STREQUAL "osgEarth")
@@ -218,7 +216,8 @@ macro(add_osgearth_library)
     # library install and target exports for the cmake config packaging.
     install(
         TARGETS ${MY_TARGET}
-        EXPORT ${MY_TARGET}Targets)
+        EXPORT ${MY_TARGET}Targets
+        INCLUDES DESTINATION include)
 
     # deploy the shaders for this library, if requested.
     if(OSGEARTH_INSTALL_SHADERS)
diff --git a/src/osgEarth/Config.cpp b/src/osgEarth/Config.cpp
index 4f2b0ea081..8d3e87a121 100644
--- a/src/osgEarth/Config.cpp
+++ b/src/osgEarth/Config.cpp
@@ -248,42 +248,54 @@ namespace
                     std::map< std::string, std::vector<Config> > sets; // sorted
 
                     // sort into bins by name:
-                    for( ConfigSet::const_iterator c = conf.children().begin(); c != conf.children().end(); ++c )
+                    for(auto& child : conf.children())
                     {
-                        sets[c->key()].push_back( *c );
+                        sets[child.key()].push_back(child);
                     }
 
-                    for( std::map<std::string,std::vector<Config> >::iterator i = sets.begin(); i != sets.end(); ++i )
+                    if (sets.size() == 1 && sets.begin()->second.size() > 1)
+                    {
+                        // if there's only one set, and it has more than one member, it's a JSON array.
+                        auto& only_set = *sets.begin();
+                        auto& members = only_set.second;
+                        Json::Value array_value(Json::arrayValue);
+                        for (auto& member : members)
+                        {
+                            array_value.append(conf2json(member, nicer, depth + 1));
+                        }
+                        value = array_value;
+                    }
+
+                    else
                     {
-                        if ( i->second.size() == 1 )
+                        for (auto i : sets)
                         {
-                            Config& c = i->second[0];
-                            if ( c.isSimple() )
+                            if (i.second.size() == 1)
                             {
-                                if (c.isNumber())
-                                    value[i->first] = c.valueAs<double>(0.0);
+                                auto& c = i.second[0];
+                                if (c.isSimple())
+                                {
+                                    if (c.isNumber())
+                                        value[i.first] = c.valueAs<double>(0.0);
+                                    else
+                                        value[i.first] = c.value();
+                                }
                                 else
-                                    value[i->first] = c.value();
+                                {
+                                    value[i.first] = conf2json(c, nicer, depth + 1);
+                                }
                             }
                             else
                             {
-                                Json::Value child = conf2json(c, nicer, depth+1);
-                                if (child.isObject())
+                                std::string array_key = Stringify() << i.first << "__array__";
+                                Json::Value array_value(Json::arrayValue);
+                                for (std::vector<Config>::iterator j = i.second.begin(); j != i.second.end(); ++j)
                                 {
-                                    value[i->first] = child;
-                                }   
-                            }
-                        }
-                        else
-                        {
-                            std::string array_key = Stringify() << i->first << "__array__";
-                            Json::Value array_value( Json::arrayValue );
-                            for( std::vector<Config>::iterator j = i->second.begin(); j != i->second.end(); ++j )
-                            {
-                                array_value.append( conf2json(*j, nicer, depth+1) );
+                                    array_value.append(conf2json(*j, nicer, depth + 1));
+                                }
+                                value[array_key] = array_value;
+                                //value = array_value;
                             }
-                            value[array_key] = array_value;
-                            //value = array_value;
                         }
                     }
                 }
diff --git a/src/osgEarth/Geometry.cpp b/src/osgEarth/Geometry.cpp
index d9343b0536..4d33c17c57 100644
--- a/src/osgEarth/Geometry.cpp
+++ b/src/osgEarth/Geometry.cpp
@@ -758,7 +758,7 @@ void Geometry::removeDuplicates()
         osg::Vec3d v = front();
         for (Geometry::iterator itr = begin(); itr != end(); )
         {
-            if (itr != begin() && equivalent(v.x(), itr->x()) && equivalent(v.y(), itr->y()))
+            if (itr != begin() && v == *itr)
             {
                 itr = erase(itr);
             }