+#ifndef CLIB_MARCH_VARIANT
+#define VLIB_DECLARE_INIT_FUNCTION(x, tag) \
+vlib_init_function_t * _VLIB_INIT_FUNCTION_SYMBOL (x, tag) = x; \
+static void __vlib_add_##tag##_function_##x (void) \
+ __attribute__((__constructor__)) ; \
+static _vlib_init_function_list_elt_t _vlib_init_function_##tag_##x; \
+static void __vlib_add_##tag##_function_##x (void) \
+{ \
+ vlib_main_t * vm = vlib_get_main(); \
+ _vlib_init_function_##tag_##x.next_init_function \
+ = vm->tag##_function_registrations; \
+ vm->tag##_function_registrations = &_vlib_init_function_##tag_##x; \
+ _vlib_init_function_##tag_##x.f = &x; \
+ _vlib_init_function_##tag_##x.name = #x; \
+} \
+static void __vlib_rm_##tag##_function_##x (void) \
+ __attribute__((__destructor__)) ; \
+static void __vlib_rm_##tag##_function_##x (void) \
+{ \
+ vlib_main_t * vm = vlib_get_main(); \
+ _vlib_init_function_list_elt_t *this, *prev; \
+ this = vm->tag##_function_registrations; \
+ if (this == 0) \
+ return; \
+ if (this->f == &x) \
+ { \
+ vm->tag##_function_registrations = this->next_init_function; \
+ return; \
+ } \
+ prev = this; \
+ this = this->next_init_function; \
+ while (this) \
+ { \
+ if (this->f == &x) \
+ { \
+ prev->next_init_function = \
+ this->next_init_function; \
+ return; \
+ } \
+ prev = this; \
+ this = this->next_init_function; \
+ } \
+} \
+static _vlib_init_function_list_elt_t _vlib_init_function_##tag_##x
+#else
+/* create unused pointer to silence compiler warnings and get whole
+ function optimized out */