1 files changed, 17 insertions, 0 deletions
diff --git a/dev-ros/urdf/files/forward_decl.patch b/dev-ros/urdf/files/forward_decl.patch
new file mode 100644
index 000000000000..8aef13eb92d4
--- /dev/null
+++ b/dev-ros/urdf/files/forward_decl.patch
@@ -0,0 +1,17 @@
+Index: urdf/urdfdom_compatibility.h.in
+===================================================================
+--- urdf.orig/urdfdom_compatibility.h.in
++++ urdf/urdfdom_compatibility.h.in
+@@ -85,10 +85,12 @@ URDF_TYPEDEF_CLASS_POINTER(Model);
+ #include <urdf_world/types.h>
+ 
+ namespace urdf {
++class ModelInterface;
+ typedef std::shared_ptr<ModelInterface> ModelInterfaceSharedPtr;
+ typedef std::shared_ptr<const ModelInterface> ModelInterfaceConstSharedPtr;
+ typedef std::weak_ptr<ModelInterface> ModelInterfaceWeakPtr;
+ 
++class Model;
+ typedef std::shared_ptr<Model> ModelSharedPtr;
+ typedef std::shared_ptr<const Model> ModelConstSharedPtr;
+ typedef std::weak_ptr<Model> ModelWeakPtr;