On Mon, Oct 3, 2011 at 11:11 AM, mrivera <wineforum-user@xxxxxxxxxx> wrote: > ./tools/winebuild/winebuild -m32 -w --def -o dlls/xinput1_3/libxinput.def --export ./dlls/xinput1_3/xinput1_3.spec I don't know if you were told this but winebuild tends not to work on Macs. I would try this method: ./configure make sudo make install However, Charles is correct, the version of bison is too old. One question: Are you building on an Intel or PowerPC system? James