arduino
diff --git a/‎libraries/rpclib/src/rpc/detail/client_error.cc
-15 b/‎libraries/rpclib/src/rpc/detail/client_error.cc
-15
diff --git a/‎libraries/rpclib/src/rpc/detail/response.cc
-65 b/‎libraries/rpclib/src/rpc/detail/response.cc
-65
diff --git a/‎libraries/rpclib/src/rpc/dispatcher.cc
-143 b/‎libraries/rpclib/src/rpc/dispatcher.cc
-143
diff --git a/‎libraries/rpclib/src/rpc/nonstd/optional.cc renamed to ‎libraries/rpclib/src/rpc/nonstd/optional.cpp b/‎libraries/rpclib/src/rpc/nonstd/optional.cc renamed to ‎libraries/rpclib/src/rpc/nonstd/optional.cpp
diff --git a/‎libraries/rpclib/src/rpc/rpc_error.cc
-26 b/‎libraries/rpclib/src/rpc/rpc_error.cc
-26
diff --git a/‎libraries/rpclib/src/rpc/rpc_error.cpp
+2 b/‎libraries/rpclib/src/rpc/rpc_error.cpp
+2
diff --git a/‎libraries/rpclib/src/rpc/this_handler.cc
-27 b/‎libraries/rpclib/src/rpc/this_handler.cc
-27
diff --git a/‎libraries/rpclib/src/rpc/this_server.cc
-19 b/‎libraries/rpclib/src/rpc/this_server.cc
-19
diff --git a/‎libraries/rpclib/src/rpc/this_session.cc
-28 b/‎libraries/rpclib/src/rpc/this_session.cc
-28
@@ -21,4 +21,6 @@ timeout::timeout(std::string const &what_arg) : std::runtime_error(what_arg) {
 
 const char *timeout::what() const noexcept { return formatted.data(); }
 
+const char* system_error::what() const noexcept { return std::system_error::what(); }
+
 } /* rpc */