Generate test object files in a temporary directory instead of in-tree
Generate test object files in a temporary directory instead of in-tree

Closes #499

Co-authored-by: Sylvestre Ledru <dfe5674a19bebe444b5a82033c6cb6901df0ee07@debian.org>

eqrion/cbindgen,eqrion/cbindgen,eqrion/cbindgen