Add conditionnal support of bindings version 2

Bindings version 2 will become legacy soon.
This patch allows their removal

Change-Id: Iecad3abd0ddd714e5d55c0b935be756a29d1ca37
Signed-off-by: Jose Bollo <jose.bollo@iot.bzh>

13 files changed, 185 insertions, 81 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 58870aa4..b1475e31 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -35,6 +35,7 @@ option(WITH_AFB_TRACE             "include monitoring trace"               ON)
 option(WITH_SUPERVISOR            "Activates installation of supervisor"   OFF)
 option(WITH_DBUS_TRANSPARENCY     "Allows API transparency over DBUS"      OFF)
 option(WITH_LEGACY_BINDING_V1     "Includes the legacy Binding API version 1" OFF)
+option(WITH_LEGACY_BINDING_V2     "Includes the legacy Binding API version 2" ON)
 option(WITH_LEGACY_BINDING_VDYN   "Includes the legacy Binding API version dynamic" OFF)
 
 if(INCLUDE_SUPERVISOR)
@@ -58,6 +59,7 @@ add_definitions(
   -DWITH_AFB_HOOK=$<BOOL:${WITH_AFB_HOOK}>
   -DWITH_AFB_TRACE=$<BOOL:${WITH_AFB_TRACE}>
   -DWITH_LEGACY_BINDING_V1=$<BOOL:${INCLUDE_LEGACY_BINDING_V1}>
+  -DWITH_LEGACY_BINDING_V2=$<BOOL:${WITH_LEGACY_BINDING_V2}>
   -DWITH_LEGACY_BINDING_VDYN=$<BOOL:${INCLUDE_LEGACY_BINDING_VDYN}>
   -DWITH_DBUS_TRANSPARENCY=$<BOOL:${INCLUDE_DBUS_TRANSPARENCY}>
   -DWITH_SUPERVISION=$<BOOL:${INCLUDE_SUPERVISOR}>
diff --git a/src/afb-api-so-v2.c b/src/afb-api-so-v2.c
index 71d51c04..a0399da1 100644
--- a/src/afb-api-so-v2.c
+++ b/src/afb-api-so-v2.c
@@ -15,6 +15,8 @@
  * limitations under the License.
  */
 
+#if WITH_LEGACY_BINDING_V2
+
 #define _GNU_SOURCE
 
 #include <stdlib.h>
@@ -221,3 +223,4 @@ int afb_api_so_v2_add(const char *path, void *handle, struct afb_apiset *declare
 	return -1;
 }
 
+#endif
diff --git a/src/afb-api-so-v2.h b/src/afb-api-so-v2.h
index 998fab58..9b4cb091 100644
--- a/src/afb-api-so-v2.h
+++ b/src/afb-api-so-v2.h
@@ -18,6 +18,8 @@
 
 #pragma once
 
+#if WITH_LEGACY_BINDING_V2
+
 struct afb_apiset;
 struct afb_binding_v2;
 struct afb_binding_data_v2;
@@ -29,3 +31,5 @@ extern int afb_api_so_v2_add_binding(const struct afb_binding_v2 *binding, void
 
 extern void afb_api_so_v2_process_call(const struct afb_binding_v2 *binding, struct afb_xreq *xreq);
 extern struct json_object *afb_api_so_v2_make_description_openAPIv3(const struct afb_binding_v2 *binding, const char *apiname);
+
+#endif
diff --git a/src/afb-api-so.c b/src/afb-api-so.c
index 11088b1c..3838380e 100644
--- a/src/afb-api-so.c
+++ b/src/afb-api-so.c
@@ -25,7 +25,6 @@
 #include <sys/stat.h>
 
 #include "afb-api-so.h"
-#include "afb-api-so-v2.h"
 #include "afb-api-so-v3.h"
 #include "verbose.h"
 #include "sig-monitor.h"
@@ -36,6 +35,9 @@
 #if WITH_LEGACY_BINDING_VDYN
 #   include "afb-api-so-vdyn.h"
 #endif
+#if WITH_LEGACY_BINDING_V2
+#   include "afb-api-so-v2.h"
+#endif
 
 struct safe_dlopen
 {
@@ -91,6 +93,7 @@ static int load_binding(const char *path, int force, struct afb_apiset *declare_
 	if (rc)
 		return 0; /* yes version 3 */
 
+#if WITH_LEGACY_BINDING_V2
 	/* try the version 2 */
 	rc = afb_api_so_v2_add(path, handle, declare_set, call_set);
 	if (rc < 0) {
@@ -99,6 +102,12 @@ static int load_binding(const char *path, int force, struct afb_apiset *declare_
 	}
 	if (rc)
 		return 0; /* yes version 2 */
+#else
+	if (dlsym(handle, "afbBindingV2")) {
+		WARNING("binding [%s]: version 2 not supported", path);
+		obsolete = 1;
+	}
+#endif
 
 #if WITH_LEGACY_BINDING_VDYN
 	/* try the version dyn */
diff --git a/src/afb-api-v3.c b/src/afb-api-v3.c
index 95727065..7b889ee8 100644
--- a/src/afb-api-v3.c
+++ b/src/afb-api-v3.c
@@ -44,7 +44,9 @@ struct afb_api_v3 {
 	int refcount;
 	int count;
 	struct afb_verb_v3 **verbs;
+#if WITH_LEGACY_BINDING_V2
 	const struct afb_verb_v2 *verbsv2;
+#endif
 	const struct afb_verb_v3 *verbsv3;
 	struct afb_export *export;
 	const char *info;
@@ -77,7 +79,9 @@ static struct afb_verb_v3 *search_dynamic_verb(struct afb_api_v3 *api, const cha
 void afb_api_v3_process_call(struct afb_api_v3 *api, struct afb_xreq *xreq)
 {
 	const struct afb_verb_v3 *verbsv3;
+#if WITH_LEGACY_BINDING_V2
 	const struct afb_verb_v2 *verbsv2;
+#endif
 	const char *name;
 
 	name = xreq->request.called_verb;
@@ -104,6 +108,7 @@ void afb_api_v3_process_call(struct afb_api_v3 *api, struct afb_xreq *xreq)
 		return;
 	}
 
+#if WITH_LEGACY_BINDING_V2
 	/* look in legacy set */
 	verbsv2 = api->verbsv2;
 	if (verbsv2) {
@@ -116,7 +121,7 @@ void afb_api_v3_process_call(struct afb_api_v3 *api, struct afb_xreq *xreq)
 			}
 		}
 	}
-
+#endif
 	afb_xreq_reply_unknown_verb(xreq);
 }
 
@@ -252,12 +257,14 @@ struct afb_export *afb_api_v3_export(struct afb_api_v3 *api)
 	return api->export;
 }
 
+#if WITH_LEGACY_BINDING_V2
 void afb_api_v3_set_verbs_v2(
 		struct afb_api_v3 *api,
 		const struct afb_verb_v2 *verbs)
 {
 	api->verbsv2 = verbs;
 }
+#endif
 
 void afb_api_v3_set_verbs_v3(
 		struct afb_api_v3 *api,
diff --git a/src/afb-api-v3.h b/src/afb-api-v3.h
index e666e783..73d6fba3 100644
--- a/src/afb-api-v3.h
+++ b/src/afb-api-v3.h
@@ -23,7 +23,6 @@ struct afb_api_v3;
 struct afb_api_x3;
 struct afb_auth;
 struct afb_req_x2;
-struct afb_verb_v2;
 struct afb_verb_v3;
 struct afb_binding_v3;
 struct afb_xreq;
@@ -57,10 +56,6 @@ extern void afb_api_v3_unref(struct afb_api_v3 *api);
 
 extern struct afb_export *afb_api_v3_export(struct afb_api_v3 *api);
 
-extern void afb_api_v3_set_verbs_v2(
-		struct afb_api_v3 *api,
-		const struct afb_verb_v2 *verbs);
-
 extern void afb_api_v3_set_verbs_v3(
 		struct afb_api_v3 *api,
 		const struct afb_verb_v3 *verbs);
@@ -83,3 +78,12 @@ extern int afb_api_v3_del_verb(
 extern void afb_api_v3_process_call(struct afb_api_v3 *api, struct afb_xreq *xreq);
 extern struct json_object *afb_api_v3_make_description_openAPIv3(struct afb_api_v3 *api, const char *apiname);
 
+#if WITH_LEGACY_BINDING_V2
+
+struct afb_verb_v2;
+
+extern void afb_api_v3_set_verbs_v2(
+		struct afb_api_v3 *api,
+		const struct afb_verb_v2 *verbs);
+
+#endif
\ No newline at end of file
diff --git a/src/afb-args.c b/src/afb-args.c
index 7adb7d6d..64f5cac1 100644
--- a/src/afb-args.c
+++ b/src/afb-args.c
@@ -381,7 +381,13 @@ static void printVersion(FILE * file)
 #else
 		"-"
 #endif
-		"VDYN +V2 +V3]\n"
+		"VDYN "
+#if WITH_LEGACY_BINDING_V2
+		"+"
+#else
+		"-"
+#endif
+		"V2 +V3]\n"
 		"\n",
 		AFB_VERSION
 	);
@@ -545,6 +551,7 @@ static int config_has_bool(struct json_object *config, int optid)
 		&& json_object_get_boolean(x);
 }
 
+__attribute__((unused))
 static int config_has_str(struct json_object *config, int optid, const char *val)
 {
 	int i, n;
diff --git a/src/afb-evt.c b/src/afb-evt.c
index 05d90961..0467bef1 100644
--- a/src/afb-evt.c
+++ b/src/afb-evt.c
@@ -698,6 +698,7 @@ int afb_evt_event_x2_unhooked_push(struct afb_event_x2 *eventid, struct json_obj
 	return 0;
 }
 
+#if WITH_LEGACY_BINDING_V1 || WITH_LEGACY_BINDING_V2
 struct afb_event_x1 afb_evt_event_from_evtid(struct afb_evtid *evtid)
 {
 	return evtid
@@ -708,6 +709,7 @@ struct afb_event_x1 afb_evt_event_from_evtid(struct afb_evtid *evtid)
 #endif
 		: (struct afb_event_x1){ .itf = NULL, .closure = NULL };
 }
+#endif
 
 void afb_evt_event_x2_unref(struct afb_event_x2 *eventid)
 {
diff --git a/src/afb-evt.h b/src/afb-evt.h
index 5ba6ce9b..4ccd8f48 100644
--- a/src/afb-evt.h
+++ b/src/afb-evt.h
@@ -75,7 +75,10 @@ extern int afb_evt_event_x2_remove_watch(struct afb_evt_listener *listener, stru
 
 extern struct afb_evtid *afb_evt_event_x2_to_evtid(struct afb_event_x2 *eventid);
 extern struct afb_event_x2 *afb_evt_event_x2_from_evtid(struct afb_evtid *evtid);
+
+#if WITH_LEGACY_BINDING_V1 || WITH_LEGACY_BINDING_V2
 extern struct afb_event_x1 afb_evt_event_from_evtid(struct afb_evtid *evtid);
+#endif
 
 #if WITH_AFB_HOOK
 extern struct afb_evtid *afb_evt_evtid_hooked_addref(struct afb_evtid *evtid);
diff --git a/src/afb-export.c b/src/afb-export.c
index d0cabf6e..8ebe8e06 100644
--- a/src/afb-export.c
+++ b/src/afb-export.c
@@ -36,7 +36,9 @@
 #if WITH_LEGACY_BINDING_V1
 #include "afb-api-so-v1.h"
 #endif
+#if WITH_LEGACY_BINDING_V2
 #include "afb-api-so-v2.h"
+#endif
 #include "afb-api-v3.h"
 #include "afb-common.h"
 #include "afb-cred.h"
@@ -68,7 +70,9 @@ enum afb_api_version
 #if WITH_LEGACY_BINDING_V1
 	Api_Version_1 = 1,
 #endif
+#if WITH_LEGACY_BINDING_V2
 	Api_Version_2 = 2,
+#endif
 	Api_Version_3 = 3
 };
 
@@ -265,11 +269,6 @@ static void vverbose_cb(struct afb_api_x3 *closure, int level, const char *file,
 	}
 }
 
-static void legacy_vverbose_v1_cb(struct afb_api_x3 *closure, int level, const char *file, int line, const char *fmt, va_list args)
-{
-	vverbose_cb(closure, level, file, line, NULL, fmt, args);
-}
-
 static struct afb_event_x2 *event_x2_make_cb(struct afb_api_x3 *closure, const char *name)
 {
 	struct afb_export *export = from_api_x3(closure);
@@ -285,12 +284,6 @@ static struct afb_event_x2 *event_x2_make_cb(struct afb_api_x3 *closure, const c
 	return afb_evt_event_x2_create2(export->api.apiname, name);
 }
 
-static struct afb_event_x1 legacy_event_x1_make_cb(struct afb_api_x3 *closure, const char *name)
-{
-	struct afb_event_x2 *event = event_x2_make_cb(closure, name);
-	return afb_evt_event_from_evtid(afb_evt_event_x2_to_evtid(event));
-}
-
 static int event_broadcast_cb(struct afb_api_x3 *closure, const char *name, struct json_object *object)
 {
 	size_t plen, nlen;
@@ -345,11 +338,6 @@ static int queue_job_cb(struct afb_api_x3 *closure, void (*callback)(int signum,
 	return jobs_queue(group, timeout, callback, argument);
 }
 
-static struct afb_req_x1 legacy_unstore_req_cb(struct afb_api_x3 *closure, struct afb_stored_req *sreq)
-{
-	return afb_xreq_unstore(sreq);
-}
-
 static int require_api_cb(struct afb_api_x3 *closure, const char *name, int initialized)
 {
 	struct afb_export *export = from_api_x3(closure);
@@ -421,6 +409,24 @@ static struct afb_api_x3 *api_new_api_cb(
 	return apiv3 ? to_api_x3(afb_api_v3_export(apiv3)) : NULL;
 }
 
+#if WITH_LEGACY_BINDING_V1 || WITH_LEGACY_BINDING_V2
+
+static void legacy_vverbose_v1_cb(struct afb_api_x3 *closure, int level, const char *file, int line, const char *fmt, va_list args)
+{
+	vverbose_cb(closure, level, file, line, NULL, fmt, args);
+}
+
+static struct afb_event_x1 legacy_event_x1_make_cb(struct afb_api_x3 *closure, const char *name)
+{
+	struct afb_event_x2 *event = event_x2_make_cb(closure, name);
+	return afb_evt_event_from_evtid(afb_evt_event_x2_to_evtid(event));
+}
+
+static struct afb_req_x1 legacy_unstore_req_cb(struct afb_api_x3 *closure, struct afb_stored_req *sreq)
+{
+	return afb_xreq_unstore(sreq);
+}
+
 static const struct afb_daemon_itf_x1 daemon_itf = {
 	.vverbose_v1 = legacy_vverbose_v1_cb,
 	.vverbose_v2 = vverbose_cb,
@@ -437,6 +443,7 @@ static const struct afb_daemon_itf_x1 daemon_itf = {
 	.add_alias = add_alias_cb,
 	.new_api = api_new_api_cb,
 };
+#endif
 
 #if WITH_AFB_HOOK
 static void hooked_vverbose_cb(struct afb_api_x3 *closure, int level, const char *file, int line, const char *function, const char *fmt, va_list args)
@@ -449,11 +456,6 @@ static void hooked_vverbose_cb(struct afb_api_x3 *closure, int level, const char
 	va_end(ap);
 }
 
-static void legacy_hooked_vverbose_v1_cb(struct afb_api_x3 *closure, int level, const char *file, int line, const char *fmt, va_list args)
-{
-	hooked_vverbose_cb(closure, level, file, line, NULL, fmt, args);
-}
-
 static struct afb_event_x2 *hooked_event_x2_make_cb(struct afb_api_x3 *closure, const char *name)
 {
 	struct afb_export *export = from_api_x3(closure);
@@ -462,15 +464,6 @@ static struct afb_event_x2 *hooked_event_x2_make_cb(struct afb_api_x3 *closure,
 	return r;
 }
 
-static struct afb_event_x1 legacy_hooked_event_x1_make_cb(struct afb_api_x3 *closure, const char *name)
-{
-	struct afb_event_x2 *event = hooked_event_x2_make_cb(closure, name);
-	struct afb_event_x1 e;
-	e.closure = event;
-	e.itf = event ? event->itf : NULL;
-	return e;
-}
-
 static int hooked_event_broadcast_cb(struct afb_api_x3 *closure, const char *name, struct json_object *object)
 {
 	int r;
@@ -534,13 +527,6 @@ static int hooked_queue_job_cb(struct afb_api_x3 *closure, void (*callback)(int
 	return afb_hook_api_queue_job(export, callback, argument, group, timeout, r);
 }
 
-static struct afb_req_x1 legacy_hooked_unstore_req_cb(struct afb_api_x3 *closure, struct afb_stored_req *sreq)
-{
-	struct afb_export *export = from_api_x3(closure);
-	afb_hook_api_legacy_unstore_req(export, sreq);
-	return legacy_unstore_req_cb(closure, sreq);
-}
-
 static int hooked_require_api_cb(struct afb_api_x3 *closure, const char *name, int initialized)
 {
 	int result;
@@ -573,6 +559,29 @@ static struct afb_api_x3 *hooked_api_new_api_cb(
 	return result;
 }
 
+#if WITH_LEGACY_BINDING_V1 || WITH_LEGACY_BINDING_V2
+
+static void legacy_hooked_vverbose_v1_cb(struct afb_api_x3 *closure, int level, const char *file, int line, const char *fmt, va_list args)
+{
+	hooked_vverbose_cb(closure, level, file, line, NULL, fmt, args);
+}
+
+static struct afb_event_x1 legacy_hooked_event_x1_make_cb(struct afb_api_x3 *closure, const char *name)
+{
+	struct afb_event_x2 *event = hooked_event_x2_make_cb(closure, name);
+	struct afb_event_x1 e;
+	e.closure = event;
+	e.itf = event ? event->itf : NULL;
+	return e;
+}
+
+static struct afb_req_x1 legacy_hooked_unstore_req_cb(struct afb_api_x3 *closure, struct afb_stored_req *sreq)
+{
+	struct afb_export *export = from_api_x3(closure);
+	afb_hook_api_legacy_unstore_req(export, sreq);
+	return legacy_unstore_req_cb(closure, sreq);
+}
+
 static const struct afb_daemon_itf_x1 hooked_daemon_itf = {
 	.vverbose_v1 = legacy_hooked_vverbose_v1_cb,
 	.vverbose_v2 = hooked_vverbose_cb,
@@ -591,6 +600,8 @@ static const struct afb_daemon_itf_x1 hooked_daemon_itf = {
 };
 #endif
 
+#endif
+
 /******************************************************************************
  ******************************************************************************
  ******************************************************************************
@@ -639,39 +650,41 @@ static int call_sync_x3(
 	return afb_calls_call_sync(export, api, verb, args, object, error, info);
 }
 
-static void legacy_call_v12(
+static void legacy_call_x3(
 		struct afb_api_x3 *apix3,
 		const char *api,
 		const char *verb,
 		struct json_object *args,
-		void (*callback)(void*, int, struct json_object*),
+		void (*callback)(void*, int, struct json_object*, struct afb_api_x3*),
 		void *closure)
 {
 	struct afb_export *export = from_api_x3(apix3);
-	afb_calls_legacy_call_v12(export, api, verb, args, callback, closure);
+	afb_calls_legacy_call_v3(export, api, verb, args, callback, closure);
 }
 
-static void legacy_call_x3(
+static int legacy_call_sync(
 		struct afb_api_x3 *apix3,
 		const char *api,
 		const char *verb,
 		struct json_object *args,
-		void (*callback)(void*, int, struct json_object*, struct afb_api_x3*),
-		void *closure)
+		struct json_object **result)
 {
 	struct afb_export *export = from_api_x3(apix3);
-	afb_calls_legacy_call_v3(export, api, verb, args, callback, closure);
+	return afb_calls_legacy_call_sync(export, api, verb, args, result);
 }
 
-static int legacy_call_sync(
+#if WITH_LEGACY_BINDING_V1 || WITH_LEGACY_BINDING_V2
+
+static void legacy_call_v12(
 		struct afb_api_x3 *apix3,
 		const char *api,
 		const char *verb,
 		struct json_object *args,
-		struct json_object **result)
+		void (*callback)(void*, int, struct json_object*),
+		void *closure)
 {
 	struct afb_export *export = from_api_x3(apix3);
-	return afb_calls_legacy_call_sync(export, api, verb, args, result);
+	afb_calls_legacy_call_v12(export, api, verb, args, callback, closure);
 }
 
 /* the interface for services */
@@ -679,6 +692,7 @@ static const struct afb_service_itf_x1 service_itf = {
 	.call = legacy_call_v12,
 	.call_sync = legacy_call_sync
 };
+#endif
 
 #if WITH_AFB_HOOK
 static void hooked_call_x3(
@@ -706,39 +720,41 @@ static int hooked_call_sync_x3(
 	return afb_calls_hooked_call_sync(export, api, verb, args, object, error, info);
 }
 
-static void legacy_hooked_call_v12(
+static void legacy_hooked_call_x3(
 		struct afb_api_x3 *apix3,
 		const char *api,
 		const char *verb,
 		struct json_object *args,
-		void (*callback)(void*, int, struct json_object*),
+		void (*callback)(void*, int, struct json_object*, struct afb_api_x3*),
 		void *closure)
 {
 	struct afb_export *export = from_api_x3(apix3);
-	afb_calls_legacy_hooked_call_v12(export, api, verb, args, callback, closure);
+	afb_calls_legacy_hooked_call_v3(export, api, verb, args, callback, closure);
 }
 
-static void legacy_hooked_call_x3(
+static int legacy_hooked_call_sync(
 		struct afb_api_x3 *apix3,
 		const char *api,
 		const char *verb,
 		struct json_object *args,
-		void (*callback)(void*, int, struct json_object*, struct afb_api_x3*),
-		void *closure)
+		struct json_object **result)
 {
 	struct afb_export *export = from_api_x3(apix3);
-	afb_calls_legacy_hooked_call_v3(export, api, verb, args, callback, closure);
+	return afb_calls_legacy_hooked_call_sync(export, api, verb, args, result);
 }
 
-static int legacy_hooked_call_sync(
+#if WITH_LEGACY_BINDING_V1 || WITH_LEGACY_BINDING_V2
+
+static void legacy_hooked_call_v12(
 		struct afb_api_x3 *apix3,
 		const char *api,
 		const char *verb,
 		struct json_object *args,
-		struct json_object **result)
+		void (*callback)(void*, int, struct json_object*),
+		void *closure)
 {
 	struct afb_export *export = from_api_x3(apix3);
-	return afb_calls_legacy_hooked_call_sync(export, api, verb, args, result);
+	afb_calls_legacy_hooked_call_v12(export, api, verb, args, callback, closure);
 }
 
 /* the interface for services */
@@ -748,6 +764,8 @@ static const struct afb_service_itf_x1 hooked_service_itf = {
 };
 #endif
 
+#endif
+
 /******************************************************************************
  ******************************************************************************
  ******************************************************************************
@@ -762,6 +780,7 @@ static int api_set_verbs_v2_cb(
 		struct afb_api_x3 *api,
 		const struct afb_verb_v2 *verbs)
 {
+#if WITH_LEGACY_BINDING_V2
 	struct afb_export *export = from_api_x3(api);
 
 	if (export->unsealed) {
@@ -770,6 +789,9 @@ static int api_set_verbs_v2_cb(
 	}
 
 	errno = EPERM;
+#else
+	errno = ECANCELED;
+#endif
 	return -1;
 }
 
@@ -1305,10 +1327,12 @@ static void set_interfaces(struct afb_export *export)
 		export->export.v1.daemon.itf = export->hookditf ? &hooked_daemon_itf : &daemon_itf;
 		break;
 #endif
+#if WITH_LEGACY_BINDING_V2
 	case Api_Version_2:
 		export->export.v2->daemon.itf = export->hookditf ? &hooked_daemon_itf : &daemon_itf;
 		export->export.v2->service.itf = export->hooksvc ? &hooked_service_itf : &service_itf;
 		break;
+#endif
 	}
 #else
 
@@ -1320,10 +1344,12 @@ static void set_interfaces(struct afb_export *export)
 		export->export.v1.daemon.itf = &daemon_itf;
 		break;
 #endif
+#if WITH_LEGACY_BINDING_V2
 	case Api_Version_2:
 		export->export.v2->daemon.itf = &daemon_itf;
 		export->export.v2->service.itf = &service_itf;
 		break;
+#endif
 	}
 
 #endif
@@ -1437,6 +1463,7 @@ struct afb_export *afb_export_create_v1(struct afb_apiset *declare_set,
 }
 #endif
 
+#if WITH_LEGACY_BINDING_V2
 struct afb_export *afb_export_create_v2(struct afb_apiset *declare_set,
 			struct afb_apiset *call_set,
 			const char *apiname,
@@ -1459,6 +1486,7 @@ struct afb_export *afb_export_create_v2(struct afb_apiset *declare_set,
 	}
 	return export;
 }
+#endif
 
 struct afb_export *afb_export_create_v3(struct afb_apiset *declare_set,
 			struct afb_apiset *call_set,
@@ -1526,6 +1554,7 @@ int afb_export_unshare_session(struct afb_export *export)
 	return 0;
 }
 
+#if WITH_LEGACY_BINDING_V1 || WITH_LEGACY_BINDING_V2
 int afb_export_handle_events_v12(struct afb_export *export, void (*on_event)(const char *event, struct json_object *object))
 {
 	/* check version */
@@ -1533,8 +1562,10 @@ int afb_export_handle_events_v12(struct afb_export *export, void (*on_event)(con
 #if WITH_LEGACY_BINDING_V1
 	case Api_Version_1:
 #endif
+#if WITH_LEGACY_BINDING_V2
 	case Api_Version_2:
 		break;
+#endif
 	default:
 		ERROR("invalid version 12 for API %s", export->api.apiname);
 		errno = EINVAL;
@@ -1544,6 +1575,7 @@ int afb_export_handle_events_v12(struct afb_export *export, void (*on_event)(con
 	export->on_any_event_v12 = on_event;
 	return ensure_listener(export);
 }
+#endif
 
 int afb_export_handle_events_v3(struct afb_export *export, void (*on_event)(struct afb_api_x3 *api, const char *event, struct json_object *object))
 {
@@ -1602,7 +1634,9 @@ void afb_export_logmask_set(struct afb_export *export, int mask)
 #if WITH_LEGACY_BINDING_V1
 	case Api_Version_1: export->export.v1.verbosity = verbosity_from_mask(mask); break;
 #endif
+#if WITH_LEGACY_BINDING_V2
 	case Api_Version_2: export->export.v2->verbosity = verbosity_from_mask(mask); break;
+#endif
 	}
 }
 
@@ -1655,9 +1689,11 @@ static void do_init(int sig, void *closure)
 					.closure = to_api_x3(export) }) : 0;
 			break;
 #endif
+#if WITH_LEGACY_BINDING_V2
 		case Api_Version_2:
 			rc = export->init.v2 ? export->init.v2() : 0;
 			break;
+#endif
 		case Api_Version_3:
 			rc = export->init.v3 ? export->init.v3(to_api_x3(export)) : 0;
 			break;
@@ -1690,11 +1726,14 @@ int afb_export_start(struct afb_export *export)
 	}
 
 	/* set event handling */
+#if WITH_LEGACY_BINDING_V1 || WITH_LEGACY_BINDING_V2
 	switch (export->version) {
 #if WITH_LEGACY_BINDING_V1
 	case Api_Version_1:
 #endif
+#if WITH_LEGACY_BINDING_V2
 	case Api_Version_2:
+#endif
 		if (export->on_any_event_v12) {
 			rc = afb_export_handle_events_v12(export, export->on_any_event_v12);
 			break;
@@ -1708,6 +1747,7 @@ int afb_export_start(struct afb_export *export)
 		ERROR("Can't set event handler for %s", export->api.apiname);
 		return -1;
 	}
+#endif
 
 #if WITH_AFB_HOOK
 	/* Starts the service */
@@ -1747,9 +1787,11 @@ static void api_call_cb(void *closure, struct afb_xreq *xreq)
 		afb_api_so_v1_process_call(export->desc.v1, xreq);
 		break;
 #endif
+#if WITH_LEGACY_BINDING_V2
 	case Api_Version_2:
 		afb_api_so_v2_process_call(export->desc.v2, xreq);
 		break;
+#endif
 	case Api_Version_3:
 		afb_api_v3_process_call(export->desc.v3, xreq);
 		break;
@@ -1770,9 +1812,11 @@ static struct json_object *api_describe_cb(void *closure)
 		result = afb_api_so_v1_make_description_openAPIv3(export->desc.v1, export->api.apiname);
 		break;
 #endif
+#if WITH_LEGACY_BINDING_V2
 	case Api_Version_2:
 		result = afb_api_so_v2_make_description_openAPIv3(export->desc.v2, export->api.apiname);
 		break;
+#endif
 	case Api_Version_3:
 		result = afb_api_v3_make_description_openAPIv3(export->desc.v3, export->api.apiname);
 		break;
diff --git a/src/afb-export.h b/src/afb-export.h
index cb65020a..c763c84c 100644
--- a/src/afb-export.h
+++ b/src/afb-export.h
@@ -24,8 +24,6 @@ struct afb_apiset;
 struct afb_context;
 struct afb_xreq;
 
-struct afb_binding_v2;
-struct afb_binding_data_v2;
 struct afb_api_v3;
 struct afb_api_x3;
 struct afb_event_x2;
@@ -39,15 +37,6 @@ extern struct afb_export *afb_export_create_none_for_path(
 				int (*creator)(void*, struct afb_api_x3*),
 				void *closure);
 
-extern struct afb_export *afb_export_create_v2(struct afb_apiset *declare_set,
-				struct afb_apiset *call_set,
-				const char *apiname,
-				const struct afb_binding_v2 *binding,
-				struct afb_binding_data_v2 *data,
-				int (*init)(),
-				void (*onevent)(const char*, struct json_object*),
-				const char* path);
-
 extern struct afb_export *afb_export_create_v3(struct afb_apiset *declare_set,
 				struct afb_apiset *call_set,
 				const char *apiname,
@@ -74,11 +63,6 @@ extern int afb_export_preinit_x3(
 				int (*preinit)(void *,struct afb_api_x3*),
 				void *closure);
 
-extern int afb_export_handle_events_v12(
-				struct afb_export *export,
-				void (*on_event)(const char *event, struct json_object *object));
-
-
 extern int afb_export_handle_events_v3(
 				struct afb_export *export,
 				void (*on_event)(struct afb_api_x3 *api, const char *event, struct json_object *object));
@@ -136,3 +120,26 @@ extern struct afb_binding_v1 *afb_export_register_v1(
 
 #endif
 
+#if WITH_LEGACY_BINDING_V2
+
+struct afb_binding_v2;
+struct afb_binding_data_v2;
+
+extern struct afb_export *afb_export_create_v2(struct afb_apiset *declare_set,
+				struct afb_apiset *call_set,
+				const char *apiname,
+				const struct afb_binding_v2 *binding,
+				struct afb_binding_data_v2 *data,
+				int (*init)(),
+				void (*onevent)(const char*, struct json_object*),
+				const char* path);
+
+#endif
+
+#if WITH_LEGACY_BINDING_V1 || WITH_LEGACY_BINDING_V2
+extern int afb_export_handle_events_v12(
+				struct afb_export *export,
+				void (*on_event)(const char *event, struct json_object *object));
+#endif
+
+
diff --git a/src/afb-xreq.c b/src/afb-xreq.c
index f4756a9f..8cc22c3f 100644
--- a/src/afb-xreq.c
+++ b/src/afb-xreq.c
@@ -722,6 +722,7 @@ int afb_xreq_legacy_subcall_sync(struct afb_xreq *xreq, const char *api, const c
 	return afb_req_x2_subcall_sync_legacy(xreq_to_req_x2(xreq), api, verb, args, result);
 }
 
+#if WITH_LEGACY_BINDING_V1
 static int xreq_session_check_apply_v1(struct afb_xreq *xreq, int sessionflags)
 {
 	int loa;
@@ -763,6 +764,7 @@ static int xreq_session_check_apply_v1(struct afb_xreq *xreq, int sessionflags)
 
 	return 0;
 }
+#endif
 
 static int xreq_session_check_apply_v2(struct afb_xreq *xreq, uint32_t sessionflags, const struct afb_auth *auth)
 {
@@ -800,6 +802,7 @@ static int xreq_session_check_apply_v2(struct afb_xreq *xreq, uint32_t sessionfl
 	return 0;
 }
 
+#if WITH_LEGACY_BINDING_V1
 void afb_xreq_call_verb_v1(struct afb_xreq *xreq, const struct afb_verb_desc_v1 *verb)
 {
 	if (!verb)
@@ -808,7 +811,9 @@ void afb_xreq_call_verb_v1(struct afb_xreq *xreq, const struct afb_verb_desc_v1
 		if (!xreq_session_check_apply_v1(xreq, verb->session))
 			verb->callback(xreq_to_req_x1(xreq));
 }
+#endif
 
+#if WITH_LEGACY_BINDING_V2
 void afb_xreq_call_verb_v2(struct afb_xreq *xreq, const struct afb_verb_v2 *verb)
 {
 	if (!verb)
@@ -817,6 +822,7 @@ void afb_xreq_call_verb_v2(struct afb_xreq *xreq, const struct afb_verb_v2 *verb
 		if (!xreq_session_check_apply_v2(xreq, verb->session, verb->auth))
 			verb->callback(xreq_to_req_x1(xreq));
 }
+#endif
 
 void afb_xreq_call_verb_v3(struct afb_xreq *xreq, const struct afb_verb_v3 *verb)
 {
diff --git a/src/afb-xreq.h b/src/afb-xreq.h
index da966a44..f1945a02 100644
--- a/src/afb-xreq.h
+++ b/src/afb-xreq.h
@@ -85,6 +85,7 @@ struct afb_xreq
 
 /* req wrappers for xreq */
 extern struct afb_req_x1 afb_xreq_unstore(struct afb_stored_req *sreq);
+
 extern void afb_xreq_addref(struct afb_xreq *xreq);
 extern void afb_xreq_unref(struct afb_xreq *xreq);
 extern void afb_xreq_unhooked_addref(struct afb_xreq *xreq);
@@ -154,8 +155,13 @@ extern void afb_xreq_init(struct afb_xreq *xreq, const struct afb_xreq_query_itf
 
 extern void afb_xreq_process(struct afb_xreq *xreq, struct afb_apiset *apiset);
 
+#if WITH_LEGACY_BINDING_V1
 extern void afb_xreq_call_verb_v1(struct afb_xreq *xreq, const struct afb_verb_desc_v1 *verb);
+#endif
+#if WITH_LEGACY_BINDING_V2
 extern void afb_xreq_call_verb_v2(struct afb_xreq *xreq, const struct afb_verb_v2 *verb);
+#endif
+
 extern void afb_xreq_call_verb_v3(struct afb_xreq *xreq, const struct afb_verb_v3 *verb);
 
 extern const char *xreq_on_behalf_cred_export(struct afb_xreq *xreq);