Removed the text:
In some systems like Ubuntu, default shell has been replaced by Dash. The reconf script needs bash (as it uses popd and pushd). So if you encounter problems while executing the reconf script, you may edit it and replace /bin/sh by /bin/bash in the first line.
Because that is considered solved after this commit:
commit 2ca0d1f01eb307d265ff475d5fe0bddcd7ddd820 Author: simon <[email protected]> Date: Sat Dec 29 14:38:35 2007 +0900
* change the reconf shell to bash
--Beier 12:59, 24 November 2008 (PST)