libevent: protect callbacks for compatibility with the light FFI

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/libevent.nit b/lib/libevent.nit
index c01d417..84d21d7 100644 (file)
--- a/lib/libevent.nit
+++ b/lib/libevent.nit
@@ -26,6 +26,7 @@ in "C header" `{
        #include <sys/types.h>
        #include <fcntl.h>
        #include <errno.h>
+       #include <string.h>
        #include <sys/socket.h>
 
        #include <event2/listener.h>
@@ -34,6 +35,10 @@ in "C header" `{
 `}
 
 in "C" `{
+
+// Protect callbacks for compatibility with light FFI
+#ifdef Connection_decr_ref
+
        // Callback forwarded to 'Connection.write_callback'
        static void c_write_cb(struct bufferevent *bev, Connection ctx) {
                Connection_write_callback(ctx);
@@ -58,6 +63,8 @@ in "C" `{
        {
                ConnectionFactory_accept_connection(ctx, listener, fd, address, socklen);
        }
+#endif
+
 `}
 
 # Structure to hold information and state for a Libevent dispatch loop.