py/compile: Add support to select the native emitter at runtime.
diff --git a/py/emitbc.c b/py/emitbc.c
index 4142e89..35eb6df 100644
--- a/py/emitbc.c
+++ b/py/emitbc.c
@@ -909,6 +909,11 @@
 
 #if MICROPY_EMIT_NATIVE
 const emit_method_table_t emit_bc_method_table = {
+    #if MICROPY_DYNAMIC_COMPILER
+    NULL,
+    NULL,
+    #endif
+
     mp_emit_bc_start_pass,
     mp_emit_bc_end_pass,
     mp_emit_bc_last_emit_was_return_value,