I&#39;m using the latest cl-opengl, cffi, babel, alexandria and trivial-features, and I get the following errors when I try to run glut examples:<br><br>[3]&gt; (cl-glut-examples:gears)<br><br>*** - FFI::WRITE-MEMORY-AS: 5.0s0 cannot be converted to the foreign type SINGLE-FLOAT<br>
<br>[3]&gt; (cl-glut-examples:rb-robot)<br><br>*** - FFI::FOREIGN-CALL-OUT: 0.0s0 cannot be converted to the foreign type SINGLE-FLOAT<br><br>I&#39;ve tried several versions of CLisp, it happens on all of them.<br><br>