>>>>> "Iain" == Iain Buclaw <ibuclaw@ubuntu.com> writes: Ian> There is a directory gcc/d/zlib, but gcc already has a top-level zlib Ian> directory. Iain> Zlib there is the version released with the D Phobos library, it is Iain> slightly newer. But is harmless to remove. You could alternatively update the version in gcc. Tom