diff --git a/configure.ac b/configure.ac
index 5808f84..7c6f4b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -162,6 +162,10 @@ dnl *** gobject-introspection ***
 dnl *****************************
 GOBJECT_INTROSPECTION_CHECK([0.9.5])
 
+if test "x$found_introspection" = "xyes"; then
+  VAPIGEN_CHECK()
+fi
+
 AC_MSG_CHECKING([for glib-networking (glib TLS implementation)])
 save_CFLAGS="$CFLAGS"
 save_LIBS="$LIBS"
diff --git a/libsoup/Makefile.am b/libsoup/Makefile.am
index 1c71dd2..2337045 100644
--- a/libsoup/Makefile.am
+++ b/libsoup/Makefile.am
@@ -1,6 +1,8 @@
 ## Process this file with automake to produce Makefile.in
 
 EXTRA_DIST =
+CLEANFILES =
+
 
 include $(GLIB_MAKEFILE)
 
@@ -273,6 +275,15 @@ Soup_2_4_gir_FILES = \
 
 INTROSPECTION_GIRS += Soup-2.4.gir
 
+if ENABLE_VAPIGEN
+libsoup-2.4.vapi: Soup-2.4.gir Soup-2.4.metadata Soup-2.4-custom.vala
+	$(VAPIGEN) --metadatadir=$(top_srcdir)/libsoup --pkg gio-2.0 --library=libsoup-2.4 $^
+
+vapidir=$(VAPIDIR)
+vapi_DATA=libsoup-2.4.vapi
+CLEANFILES += $(vapi_DATA)
+endif
+
 if BUILD_LIBSOUP_GNOME
 
 # GNOME extensions
@@ -300,7 +311,7 @@ gir_DATA = $(INTROSPECTION_GIRS)
 typelibdir = $(libdir)/girepository-1.0
 typelib_DATA = $(INTROSPECTION_GIRS:.gir=.typelib)
 
-CLEANFILES = $(gir_DATA) $(typelib_DATA) $(BUILT_SOURCES)
+CLEANFILES+= $(gir_DATA) $(typelib_DATA) $(BUILT_SOURCES)
 
 endif
 
diff --git a/libsoup/Soup-2.4-custom.vala b/libsoup/Soup-2.4-custom.vala
new file mode 100644
index 0000000..35449e9
--- /dev/null
+++ b/libsoup/Soup-2.4-custom.vala
@@ -0,0 +1,168 @@
+namespace Soup {
+	[CCode (type_id = "soup_auth_domain_basic_get_type ()", cheader_filename = "libsoup/soup.h")]
+	public class AuthDomainBasic : Soup.AuthDomain {
+		public static void set_auth_callback (Soup.AuthDomain domain, owned Soup.AuthDomainBasicAuthCallback callback);
+	}
+
+	[CCode (type_id = "soup_auth_domain_digest_get_type ()", cheader_filename = "libsoup/soup.h")]
+	public class AuthDomainDigest : Soup.AuthDomain {
+		public static void set_auth_callback (Soup.AuthDomain domain, owned Soup.AuthDomainDigestAuthCallback callback);
+	}
+
+	[Compact]
+	[CCode (copy_function = "g_boxed_copy", free_function = "g_boxed_free", type_id = "soup_buffer_get_type ()", cheader_filename = "libsoup/soup.h")]
+	public class Buffer {
+		[CCode (has_construct_function = false)]
+		public Buffer.subbuffer (Soup.Buffer parent, size_t offset, size_t length);
+	}
+
+	[Deprecated (replacement = "Soup.ProxyURIResolver")]
+	[CCode (cheader_filename = "libsoup/soup.h", type_cname = "SoupProxyResolverInterface", type_id = "soup_proxy_resolver_get_type ()")]
+	public interface ProxyResolver : Soup.SessionFeature, GLib.Object {
+		public abstract void get_proxy_async (Soup.Message msg, GLib.MainContext async_context, GLib.Cancellable? cancellable, Soup.ProxyResolverCallback callback);
+		public abstract uint get_proxy_sync (Soup.Message msg, GLib.Cancellable? cancellable, out unowned Soup.Address addr);
+	}
+
+	public errordomain SSLError {
+		HANDSHAKE_NEEDS_READ,
+		HANDSHAKE_NEEDS_WRITE,
+		CERTIFICATE,
+		HANDSHAKE_FAILED;
+		public static GLib.Quark quark ();
+	}
+
+	[Compact]
+	[CCode (copy_function = "g_boxed_copy", free_function = "g_boxed_free", type_id = "soup_uri_get_type ()", cheader_filename = "libsoup/soup.h")]
+	public class URI {
+		[CCode (has_construct_function = false)]
+		public URI.with_base (Soup.URI @base, string uri_string);
+	}
+
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.build_fault")]
+	[PrintfFormat]
+	public static unowned string xmlrpc_build_fault (int fault_code, string fault_format, ...);
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.build_method_call")]
+	public static unowned string xmlrpc_build_method_call (string method_name, GLib.Value[] @params);
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.build_method_response")]
+	public static unowned string xmlrpc_build_method_response (GLib.Value value);
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.error_quark")]
+	public static GLib.Quark xmlrpc_error_quark ();
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.extract_method_call")]
+	[CCode (sentinel = "G_TYPE_INVALID")]
+	public static bool xmlrpc_extract_method_call (string method_call, int length, out unowned string method_name, ...);
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.extract_method_response")]
+	[CCode (sentinel = "G_TYPE_INVALID")]
+	public static bool xmlrpc_extract_method_response (string method_response, int length, ...) throws GLib.Error;
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.fault_quark")]
+	public static GLib.Quark xmlrpc_fault_quark ();
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.parse_method_call")]
+	public static bool xmlrpc_parse_method_call (string method_call, int length, out unowned string method_name, out unowned GLib.ValueArray @params);
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.parse_method_response")]
+	public static bool xmlrpc_parse_method_response (string method_response, int length, GLib.Value value) throws GLib.Error;
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.request_new")]
+	[CCode (sentinel = "G_TYPE_INVALID")]
+	public static unowned Soup.Message xmlrpc_request_new (string uri, string method_name, ...);
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.set_fault")]
+	[PrintfFormat]
+	public static void xmlrpc_set_fault (Soup.Message msg, int fault_code, string fault_format, ...);
+	[Deprecated (since = "vala-0.12", replacement = "XMLRPC.set_response")]
+	[CCode (sentinel = "G_TYPE_INVALID")]
+	public static void xmlrpc_set_response (Soup.Message msg, ...);
+
+	[Deprecated (since = "vala-0.12", replacement = "Form.decode")]
+	public static GLib.HashTable<string,string> form_decode (string encoded_form);
+	[Deprecated (since = "vala-0.12", replacement = "Form.decode_multipart")]
+	public static GLib.HashTable<string,string> form_decode_multipart (Soup.Message msg, string file_control_name, out string filename, out string content_type, out Soup.Buffer file);
+	[Deprecated (since = "vala-0.12", replacement = "Form.encode")]
+	public static string form_encode (...);
+	[Deprecated (since = "vala-0.12", replacement = "Form.encode_datalist")]
+	public static string form_encode_datalist (void* form_data_set);
+	[Deprecated (since = "vala-0.12", replacement = "Form.encode_hash")]
+	public static string form_encode_hash (GLib.HashTable<string,string> form_data_set);
+	[Deprecated (since = "vala-0.12")]
+	public static string form_encode_valist (string first_field, void* args);
+	[Deprecated (since = "vala-0.12", replacement = "Form.request_new")]
+	public static Soup.Message form_request_new (string method, string uri, ...);
+	[Deprecated (since = "vala-0.12", replacement = "Form.request_new_from_datalist")]
+	public static Soup.Message form_request_new_from_datalist (string method, string uri, void* form_data_set);
+	[Deprecated (since = "vala-0.12", replacement = "Form.request_new_from_hash")]
+	public static Soup.Message form_request_new_from_hash (string method, string uri, GLib.HashTable<string,string> form_data_set);
+	[Deprecated (since = "vala-0.12", replacement = "Form.request_new_from_multipart")]
+	public static Soup.Message form_request_new_from_multipart (string uri, Soup.Multipart multipart);
+	[Deprecated (since = "vala-0.14", replacement = "SSLError.quark")]
+	public static GLib.Quark ssl_error_quark ();
+
+	[Deprecated (since = "vala-0.22", replacement = "Status.get_phrase")]
+	public static unowned string status_get_phrase (uint status_code);
+	[Deprecated (since = "vala-0.22", replacement = "Status.proxify")]
+	public static uint status_proxify (uint status_code);
+	[Deprecated (since = "vala-0.22", replacement = "Status")]
+	[CCode (cheader_filename = "libsoup/soup.h", cprefix = "SOUP_STATUS_", type_id = "soup_known_status_code_get_type ()")]
+	public enum KnownStatusCode {
+		NONE,
+		CANCELLED,
+		CANT_RESOLVE,
+		CANT_RESOLVE_PROXY,
+		CANT_CONNECT,
+		CANT_CONNECT_PROXY,
+		SSL_FAILED,
+		IO_ERROR,
+		MALFORMED,
+		TRY_AGAIN,
+		TOO_MANY_REDIRECTS,
+		TLS_FAILED,
+		CONTINUE,
+		SWITCHING_PROTOCOLS,
+		PROCESSING,
+		OK,
+		CREATED,
+		ACCEPTED,
+		NON_AUTHORITATIVE,
+		NO_CONTENT,
+		RESET_CONTENT,
+		PARTIAL_CONTENT,
+		MULTI_STATUS,
+		MULTIPLE_CHOICES,
+		MOVED_PERMANENTLY,
+		FOUND,
+		MOVED_TEMPORARILY,
+		SEE_OTHER,
+		NOT_MODIFIED,
+		USE_PROXY,
+		NOT_APPEARING_IN_THIS_PROTOCOL,
+		TEMPORARY_REDIRECT,
+		BAD_REQUEST,
+		UNAUTHORIZED,
+		PAYMENT_REQUIRED,
+		FORBIDDEN,
+		NOT_FOUND,
+		METHOD_NOT_ALLOWED,
+		NOT_ACCEPTABLE,
+		PROXY_AUTHENTICATION_REQUIRED,
+		PROXY_UNAUTHORIZED,
+		REQUEST_TIMEOUT,
+		CONFLICT,
+		GONE,
+		LENGTH_REQUIRED,
+		PRECONDITION_FAILED,
+		REQUEST_ENTITY_TOO_LARGE,
+		REQUEST_URI_TOO_LONG,
+		UNSUPPORTED_MEDIA_TYPE,
+		REQUESTED_RANGE_NOT_SATISFIABLE,
+		INVALID_RANGE,
+		EXPECTATION_FAILED,
+		UNPROCESSABLE_ENTITY,
+		LOCKED,
+		FAILED_DEPENDENCY,
+		INTERNAL_SERVER_ERROR,
+		NOT_IMPLEMENTED,
+		BAD_GATEWAY,
+		SERVICE_UNAVAILABLE,
+		GATEWAY_TIMEOUT,
+		HTTP_VERSION_NOT_SUPPORTED,
+		INSUFFICIENT_STORAGE,
+		NOT_EXTENDED
+	}
+
+	public delegate void ProxyResolverCallback (Soup.ProxyResolver p1, Soup.Message p2, uint p3, Soup.Address p4);
+}
diff --git a/libsoup/Soup-2.4.metadata b/libsoup/Soup-2.4.metadata
new file mode 100644
index 0000000..8ffb659
--- /dev/null
+++ b/libsoup/Soup-2.4.metadata
@@ -0,0 +1,99 @@
+// Vala-specific
+AuthDomain
+	.add_path#property skip
+	.remove_path#property skip
+form_* parent="Soup.Form" name="form_(.+)"
+form_encode_datalist.form_data_set type_arguments="string"
+form_request_new_from_datalist.form_data_set type_arguments="string"
+xmlrpc_* parent="Soup.XMLRPC" name="xmlrpc_(.+)"
+XMLRPCFault errordomain parent="Soup.XMLRPC" name="Fault"
+XMLRPCError parent="Soup.XMLRPC" name="Error"
+xmlrpc_set_response.type skip
+HTTPVersion.http_* name="http_(.+)"
+
+// Backwards compatibility
+KnownStatusCode skip
+Requester deprecated_since="2.42" replacement="Session"
+Requester
+  .request* skip=false unowned=false
+
+// Report upstream
+Soup cheader_filename="libsoup/soup.h"
+add_* skip=false type="unowned GLib.TimeoutSource"
+AuthDomain
+	.accepts#method skip
+	.challenge#virtual_method vfunc_name="challenge"
+	.basic_set_auth_callback skip
+	.digest_set_auth_callback skip
+AuthDomainBasic.new skip=false
+AuthDomainDigest.new skip=false
+Buffer.new.data type="uint8[]" array_length_idx=2
+Buffer.new_with_owner.data type="uint8[]" array_length_idx=1
+Buffer.new_subbuffer skip
+Buffer.new_with_owner.owner_dnotify nullable
+CookieJar.all_cookies type_arguments="Cookie"
+ContentSniffer.sniff.params type_arguments="string,string" nullable out unowned=false
+form_* skip=false
+header_parse_list type_arguments="string"
+header_parse_quality_list type_arguments="string"
+	.unacceptable out type_arguments="string"
+Message
+	.add_header_handler skip=false
+	.add_status_code_handler skip=false
+	.request_*#property skip
+	.response_*#property skip
+	.set_request.req_body type="uint8[]" array_length_idx=3
+MessageHeaders
+	.get_ranges.ranges out type="Soup.Range[]" array_length_idx=2
+Server
+	.new skip=false
+	.async_context type="GLib.MainContext"
+Session
+	.async_context type="GLib.MainContext"
+	.get_features type_arguments="weak Soup.SessionFeature"
+	.send_async.cancellable#parameter default=null
+Session*.new_with_options skip=false
+Socket
+	.async_context type="GLib.MainContext"
+	.new skip=false
+	.read.buffer type="uint8[]" array_length_idx=1
+	.read_until.buffer type="uint8[]" array_length_idx=1
+	.read_until.nread out
+	.write.buffer type="uint8[]" array_length_idx=1
+URI
+	.new_with_base skip
+	.set_query_from_fields skip=false
+uri_encode.escape_extra nullable
+// uri_host_*.* type="Soup.URI"
+ProxyURIResolverCallback.user_data skip
+xmlrpc_* skip=false
+// xmlrpc_build_method_call.params array array_length_idx=2
+xmlrpc_extract_method_response throws="Soup.XMLRPC.Fault"
+	.error skip
+	.type skip
+value_* skip=false
+ProxyURIResolver
+  .get_proxy_uri_async skip=false
+  .get_proxy_uri_async.callback owned scope="async"
+  .get_proxy_uri_async.async_context nullable
+  .get_proxy_uri_sync.proxy_uri out unowned=false
+
+// Not enough GIR information
+Buffer.data type="uint8[]" array_length_field="length"
+MessageBody.data type="uint8[]" array_length_field="length"
+xmlrpc_parse_method_response throws="Soup.XMLRPC.Fault"
+Date
+	.new_from_time_t.when type="time_t"
+	.to_time_t type="time_t"
+xmlrpc_extract_method_call sentinel="G_TYPE_INVALID"
+xmlrpc_extract_method_response sentinel="G_TYPE_INVALID"
+xmlrpc_request_new sentinel="G_TYPE_INVALID"
+xmlrpc_set_fault printf_format
+xmlrpc_set_response sentinel="G_TYPE_INVALID"
+xmlrpc_build_fault printf_format
+
+// Simplify memory management
+Buffer
+  .new deprecated_since="2.32" replacement="Buffer.take"
+MessageBody
+  .append deprecated_since="2.32" replacement="MessageBody.append_take"
\ No newline at end of file
diff --git a/m4/vapigen.m4 b/m4/vapigen.m4
new file mode 100644
index 0000000..7a0f1b8
--- /dev/null
+++ b/m4/vapigen.m4
@@ -0,0 +1,177 @@
+dnl vapigen.m4
+dnl
+dnl Copyright 2012 Evan Nemerson, Daniel Espinosa
+dnl
+dnl This library is free software; you can redistribute it and/or
+dnl modify it under the terms of the GNU Lesser General Public
+dnl License as published by the Free Software Foundation; either
+dnl version 2.1 of the License, or (at your option) any later version.
+dnl
+dnl This library is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+dnl Lesser General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU Lesser General Public
+dnl License along with this library; if not, write to the Free Software
+dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+
+# VAPIGEN_CHECK([VERSION], [API_VERSION], [FOUND-INTROSPECTION], [DEFAULT])
+# --------------------------------------
+# Check vapigen existence and version. GObject Introspection is required, then
+# set FOUND-INTROSPECTION to [yes] or use call GOBJECT_INTROSPECTION_CHECK or 
+# GOBJECT_INTROSPECTION_REQUIRE. This is an internal macro, use VAPIGEN_CHECK,
+# VAPIGEN_GI_CHECK or VAPIGEN_GI_REQUIRE.
+#
+# See http://live.gnome.org/Vala/UpstreamGuide for detailed documentation
+m4_define([_VAPIGEN_CHECK_INTERNAL],
+[
+  AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+  AC_REQUIRE([AM_PROG_VALAC])
+  AC_ARG_ENABLE([vala],
+    [AS_HELP_STRING([--enable-vala[=@<:@no/auto/yes@:>@]],[build Vala bindings @<:@default=]ifelse($4,,auto,$4)[@:>@])],,[
+      AS_IF([ test "x$4" = "x"], [
+          enable_vala=auto
+        ], [
+          enable_vala=$4
+        ])
+    ])
+	AS_IF([ test "x$enable_vala" = "xyes" -o "x$enable_vala" = "xauto"],
+		[
+			AS_IF([ test "x$3" != "xyes" -a "x$found_introspection" != "xyes"], [
+				AC_MSG_ERROR([Vala bindings require GObject Introspection])
+			])
+		], [
+			AS_IF([ test "x$enable_vala" != "no"],[
+					vapigen_pkg_found=no
+				],[
+				AC_MSG_ERROR([Invalid argument passed to --enable-vala, should be one of @<:@no/auto/yes@:>@])
+			])
+		])
+  AS_IF([ test "x$2" = "x"], [
+      vapigen_pkg_name=vapigen
+    ], [
+      vapigen_pkg_name=vapigen-$2
+    ])
+  AS_IF([ test "x$1" = "x"], [
+      vapigen_pkg="$vapigen_pkg_name"
+    ], [
+      vapigen_pkg="$vapigen_pkg_name >= $1"
+    ])
+  AS_IF([ test "x$enable_vala" = "xyes" -o "x$enable_vala" = "xauto"], [
+		AC_MSG_CHECKING([for vapigen $vapigen_pkg_name])
+		PKG_CHECK_EXISTS([ $vapigen_pkg ], [
+		        vapigen_pkg_found=yes
+		  ], [
+		        vapigen_pkg_found=no
+		        AC_MSG_RESULT([no])
+		        AC_MSG_NOTICE([Searching for $vapigen_pkg_name program...])
+		        AC_PATH_PROG(VAPIGEN, [$vapigen_pkg_name], [no])
+		        if test "x$VAPIGEN" = "xno"
+		        then
+		          check_prog=no
+		        else
+		          check_prog=yes
+		        fi
+		  ])
+    
+		AS_CASE([$vapigen_pkg_found],
+		  [yes], [
+		      VAPIGEN=`$PKG_CONFIG --variable=vapigen vapigen`
+		      VAPIGEN_MAKEFILE=`$PKG_CONFIG --variable=datadir vapigen`/vala/Makefile.vapigen
+		      VAPIDIR=`$PKG_CONFIG --variable=vapidir vapigen`
+		      AS_IF([ test "x$2" = "x"], [
+		          VAPIGEN_VAPIDIR=`$PKG_CONFIG --variable=vapidir vapigen`
+		        ], [
+		          VAPIGEN_VAPIDIR=`$PKG_CONFIG --variable=vapidir_versioned vapigen`
+		        ])
+		    ],
+		 [no], [
+		    AS_CASE([$check_prog],[no],[
+		        AC_MSG_ERROR([Can't locate $vapigen_pkg program])
+		      ], [yes], [
+		        AS_IF([ test "x$2" = "x"], [
+		            vala_pkg_name=libvala
+		          ], [
+		            vala_pkg_name=libvala-$2
+		          ])
+		        AS_IF([ test "x$1" = "x"], [
+		            vala_pkg="$vala_pkg_name"
+		          ], [
+		            vala_pkg="$vala_pkg_name >= $1"
+		          ])
+						AC_MSG_CHECKING([for $vala_pkg])
+		        PKG_CHECK_EXISTS([$vala_pkg], [
+		            VALA_DATADIR=`pkg-config $vala_pkg --variable=datadir`
+                VAPIDIR="$VALA_DATADIR/vala/vapi"
+                VAPIGEN_MAKEFILE="$VALA_DATADIR/vala/Makefile.vapigen"
+                AS_IF([ test "x$2" = "x"], [
+						      VAPIGEN_VAPIDIR=`$PKG_CONFIG --variable=vapidir vapigen`
+						    ], [
+						      VAPIGEN_VAPIDIR=`$PKG_CONFIG --variable=vapidir_versioned vapigen`
+						    ])
+                vapigen_pkg_found=yes
+		          ], [
+		            AS_CASE([$enable_vala], [yes], [
+		                AC_MSG_ERROR([$vala_pkg not found])
+		              ], [auto], [
+		                vapigen_pkg_found=no
+		              ])
+		          ])
+		     ])
+		  ])
+
+		AC_MSG_RESULT([$vapigen_pkg_found])
+
+		
+	])
+	AC_SUBST([VAPIGEN])
+	AC_SUBST([VAPIGEN_VAPIDIR])
+	AC_SUBST([VAPIDIR])
+	AC_SUBST([VAPIGEN_MAKEFILE])
+
+	AM_CONDITIONAL(ENABLE_VAPIGEN, test "x$vapigen_pkg_found" = "xyes")
+])
+
+dnl Check VAPIGEN
+# VAPIGEN_CHECK([VERSION], [API_VERSION], [FOUND-INTROSPECTION], [DEFAULT])
+# --------------------------------------
+# Check vapigen existence and version. Set FOUND-INTROSPECTION to [yes]
+# if you have detected GObject Introspection without GOBJECT_INTROSPECTION_CHECK
+# or GOBJECT_INTROSPECTION_REQUIRE macros.
+#
+# See http://live.gnome.org/Vala/UpstreamGuide for detailed documentation
+AC_DEFUN([VAPIGEN_CHECK],
+[
+  _VAPIGEN_CHECK_INTERNAL($1,$2,$3,$4)
+]
+)
+
+dnl usage:
+# VAPIGEN_GI_CHECK([VERSION], [API_VERSION], [DEFAULT])
+# --------------------------------------
+# Check vapigen existence and version. You must call GOBJECT_INTROSPECTION_CHECK
+# first in order to call this macro.
+#
+# See http://live.gnome.org/Vala/UpstreamGuide for detailed documentation
+AC_DEFUN([VAPIGEN_GI_CHECK],
+[
+  AC_REQUIRE([GOBJECT_INTROSPECTION_CHECK])
+  _VAPIGEN_CHECK_INTERNAL([$1],[$2],[$found_introspection],[$3])
+]
+)
+
+dnl usage:
+# VAPIGEN_GI_REQUIRE([VERSION], [API_VERSION], [DEFAULT])
+# --------------------------------------
+# Check vapigen existence and version. You must call GOBJECT_INTROSPECTION_REQUIRE
+# first in order to call this macro.
+#
+# See http://live.gnome.org/Vala/UpstreamGuide for detailed documentation
+AC_DEFUN([VAPIGEN_GI_REQUIRE],
+[
+  AC_REQUIRE([GOBJECT_INTROSPECTION_REQUIRE])
+	_VAPIGEN_CHECK_INTERNAL([$1],[$2],[$found_introspection],[$3])
+]
+)
+