Fixes #515: Added missing forward-declarations and an inclusion for a…

… context existence ensurer gadget

src/cuda/api/memory_pool.hpp

@@ -246,6 +246,12 @@ struct reuse_policy_t {
 	bool allow_waiting_for_frees;
 };
 
+namespace ipc {
+
+class imported_ptr_t;
+
+} // namespace ipc
+
 } // namespace pool
 
 

src/cuda/api/stream.hpp

@@ -33,6 +33,12 @@ class device_t;
 class event_t;
 class stream_t;
 
+namespace memory {
+
+class pool_t;
+
+} // namespace memory
+
 namespace stream {
 
 // Use this for the second argument to create_on_current_device()

src/cuda/nvtx/profiling.hpp

@@ -16,6 +16,7 @@
 #include "../api/stream.hpp"
 #include "../api/event.hpp"
 #include "../api/device.hpp"
+#include "../api/multi_wrapper_impls/context.hpp"
 
 #include <cudaProfiler.h>