Fix not setting it up w/o libc

Author: jhuber6

offload/plugins-nextgen/amdgpu/src/rtl.cpp

@@ -2148,9 +2148,7 @@ struct AMDGPUDeviceTy : public GenericDeviceTy, AMDGenericDeviceTy {
 
   /// We want to set up the RPC server for host services to the GPU if it is
   /// availible.
-  bool shouldSetupRPCServer() const override {
-    return libomptargetSupportsRPC();
-  }
+  bool shouldSetupRPCServer() const override { return true; }
 
   /// The RPC interface should have enough space for all availible parallelism.
   uint64_t requestedRPCPortCount() const override {

offload/plugins-nextgen/common/include/PluginInterface.h

@@ -1580,9 +1580,6 @@ template <typename ResourceRef> class GenericDeviceResourceManagerTy {
   std::deque<ResourceRef> ResourcePool;
 };
 
-/// A static check on whether or not we support RPC in libomptarget.
-bool libomptargetSupportsRPC();
-
 } // namespace plugin
 } // namespace target
 } // namespace omp

offload/plugins-nextgen/common/src/PluginInterface.cpp

@@ -2179,11 +2179,3 @@ int32_t GenericPluginTy::get_function(__tgt_device_binary Binary,
   *KernelPtr = &Kernel;
   return OFFLOAD_SUCCESS;
 }
-
-bool llvm::omp::target::plugin::libomptargetSupportsRPC() {
-#ifdef LIBOMPTARGET_RPC_SUPPORT
-  return true;
-#else
-  return false;
-#endif
-}

offload/plugins-nextgen/cuda/src/rtl.cpp

@@ -496,9 +496,7 @@ struct CUDADeviceTy : public GenericDeviceTy {
 
   /// We want to set up the RPC server for host services to the GPU if it is
   /// availible.
-  bool shouldSetupRPCServer() const override {
-    return libomptargetSupportsRPC();
-  }
+  bool shouldSetupRPCServer() const override { return true; }
 
   /// The RPC interface should have enough space for all availible parallelism.
   uint64_t requestedRPCPortCount() const override {