1 files changed, 11 insertions, 0 deletions
diff --git a/src/synaptics.c b/src/synaptics.c
index b482541..b069371 100644
--- a/src/synaptics.c
+++ b/src/synaptics.c
@@ -114,6 +114,17 @@ static int HandleState(SynapticsPrivate *priv, struct SynapticsHwState *, unsign
                        Bool from_timer);
 static void ScaleCoordinates(SynapticsPrivate * priv,
                              struct SynapticsHwState *hw);
+
+/**
+ * When building the core library, the alternative backends may not be
+ * linked (for non-X11 drivers). We still need to resolve it though.
+ * FIXME: need a better way to handle this
+ */
+struct SynapticsProtocolOperations event_proto_operations;
+struct SynapticsProtocolOperations psm_proto_operations;
+struct SynapticsProtocolOperations psaux_proto_operations;
+struct SynapticsProtocolOperations alps_proto_operations;
+
 const static struct {
     const char *name;
     struct SynapticsProtocolOperations *proto_ops;