Check old component before hiding it for a component switching. Ref: ticket #37 in assembla - Scribboo try to hide old component before switching to new one. But, old one was already removed. It cause an error. - This is fixed by checking old component if it is still existed before hiding it.

#!/bin/sh

aclocal
autoheader
libtoolize --automake --copy
automake --add-missing --copy
autoconf