Fix build error without thread or regular mpi

[alexxy/gromacs.git] / src / gromacs / ewald / pme_coordinate_receiver_gpu_impl.cu

diff --git a/src/gromacs/ewald/pme_coordinate_receiver_gpu_impl.cu b/src/gromacs/ewald/pme_coordinate_receiver_gpu_impl.cu
index dbb0ace8b23ee4eec0cce5dec27cca6f1eb76f1b..3ca69e27a882225bba32590da8afb32f0d2f0501 100644 (file)
--- a/src/gromacs/ewald/pme_coordinate_receiver_gpu_impl.cu
+++ b/src/gromacs/ewald/pme_coordinate_receiver_gpu_impl.cu
@@ -87,6 +87,8 @@ void PmeCoordinateReceiverGpu::Impl::sendCoordinateBufferAddressToPpRanks(rvec*
 
 #if GMX_MPI
         MPI_Send(&sendBuf, sizeof(void**), MPI_BYTE, receiver.rankId, 0, comm_);
+#else
+        GMX_UNUSED_VALUE(sendBuf);
 #endif
     }
 }
@@ -101,6 +103,8 @@ void PmeCoordinateReceiverGpu::Impl::launchReceiveCoordinatesFromPpCudaDirect(in
     MPI_Irecv(&ppSync_[recvCount_], sizeof(GpuEventSynchronizer*), MPI_BYTE, ppRank, 0, comm_,
               &request_[recvCount_]);
     recvCount_++;
+#else
+    GMX_UNUSED_VALUE(ppRank);
 #endif
 }