diff --git a/libgiosmtp/Makefile.am b/libgiosmtp/Makefile.am
index 57a79c3..0698ffa 100644
--- a/libgiosmtp/Makefile.am
+++ b/libgiosmtp/Makefile.am
@@ -1,5 +1,5 @@
 lib_LTLIBRARIES = libgiosmtp-1.0.la
-AM_CPPFLAGS = $(CURL_CFLAGS)
+AM_CPPFLAGS = $(CURL_CFLAGS) $(GIO_CFLAGS)
 
 libgiosmtp_1_0_la_SOURCES = gioextension.c giomodule.c
-libgiosmtp_1_0_la_LIBADD = $(CURL_LIBS)
+libgiosmtp_1_0_la_LIBADD = $(CURL_LIBS) $(GIO_LIBS)
diff --git a/libgiosmtp/gioextension.c b/libgiosmtp/gioextension.c
index 10a1780..0febac2 100644
--- a/libgiosmtp/gioextension.c
+++ b/libgiosmtp/gioextension.c
@@ -1 +1,3 @@
 #include <gio/gio.h>
+//ep = g_io_extension_point_register("application-protocol");
+//g_io_extension_point_set_required_type(ep, GIO_APPLICATION_PROTOCOL_IFACE);
diff --git a/libgiosmtp/giomodule.c b/libgiosmtp/giomodule.c
index 361170d..6a82eb2 100644
--- a/libgiosmtp/giomodule.c
+++ b/libgiosmtp/giomodule.c
@@ -1,2 +1,4 @@
 #include <gio/gio.h>
 #include <curl/curl.h>
+//G_DEFINE_TYPE(ApplicationProtocolIface, application_protocol_iface, APPLICATION_PROTOCOL_INTERFACE);
+//g_io_extension_point_implement("application-protocol", application_protocol_iface_get_type(), "smtp", 10);