Suppress `-Wunused-function`
If no gem was specified, it was warning because `init_mrbgems()` was not used.
ref:
MODIFY
src/state.c
src/state.c
@@ -77,11 +77,13 @@ mrb_open(void)
return mrb;
}
+#ifndef DISABLE_GEMS
static void
init_mrbgems(mrb_state *mrb, void *opaque)
{
mrb_init_mrbgems(mrb);
}
+#endif
MRB_API mrb_state*
mrb_open_allocf(mrb_allocf f, void *ud)

Suppress `-Wunused-function`

If no gem was specified, it was warning because `init_mrbgems()` was not used.

ref: #4250