diff --git a/processor/foot.m4 b/processor/foot.m4
index d92d361..9924be0 100644
--- a/processor/foot.m4
+++ b/processor/foot.m4
@@ -121,7 +121,6 @@ dnl }}}
 EXPORTED_FUNCTION(`zval *xc_processor_restore_var(zval *dst, const xc_entry_var_t *src, zend_class_entry **index_to_ce TSRMLS_DC)') dnl {{{
 {
 	xc_processor_t processor;
-	size_t i;
 
 	memset(&processor, 0, sizeof(processor));
 	processor.handle_reference = src->have_references;
@@ -135,6 +134,7 @@ EXPORTED_FUNCTION(`zval *xc_processor_restore_var(zval *dst, const xc_entry_var_
 
 #ifdef ZEND_ENGINE_2
 	if (src->objects_count) {
+		zend_uint i;
 		processor.object_handles = emalloc(sizeof(*processor.object_handles) * src->objects_count);
 		for (i = 0; i < src->objects_count; ++i) {
 			zend_object *object = emalloc(sizeof(*object));
@@ -150,6 +150,7 @@ EXPORTED_FUNCTION(`zval *xc_processor_restore_var(zval *dst, const xc_entry_var_
 
 #ifdef ZEND_ENGINE_2
 	if (src->objects_count) {
+		zend_uint i;
 		for (i = 0; i < src->objects_count; ++i) {
 			zend_objects_store_del_ref_by_handle(processor.object_handles[i] TSRMLS_CC);
 		}
diff --git a/xcache.c b/xcache.c
index 9074e12..3cdc608 100644
--- a/xcache.c
+++ b/xcache.c
@@ -539,6 +539,7 @@ static zend_function_entry xcache_functions[] = /* {{{ */
 	PHP_FE(xcache_get_op_type,       arginfo_xcache_get_op_type)
 	PHP_FE(xcache_get_data_type,     arginfo_xcache_get_data_type)
 	PHP_FE(xcache_get_opcode,        arginfo_xcache_get_opcode)
+	PHP_FE(xcache_get_op_spec,       arginfo_xcache_get_op_spec)
 	PHP_FE(xcache_get_opcode_spec,   arginfo_xcache_get_opcode_spec)
 	PHP_FE(xcache_coredump,          arginfo_xcache_coredump)
 	PHP_FE(xcache_is_autoglobal,     arginfo_xcache_is_autoglobal)
diff --git a/xcache/xc_mutex.c b/xcache/xc_mutex.c
index 68dd5e0..c730593 100644
--- a/xcache/xc_mutex.c
+++ b/xcache/xc_mutex.c
@@ -247,6 +247,7 @@ size_t xc_mutex_size(void) /* {{{ */
 xc_mutex_t *xc_mutex_init(xc_mutex_t *const shared_mutex, const char *pathname, unsigned char want_inter_process) /* {{{ */
 {
 	xc_mutex_t *mutex = NULL;
+	(void) want_inter_process; /* may be unused */
 
 #ifndef HAVE_FORK
 	want_inter_process = 0;