Re: Autoconf 2.53: improved fix for problems with CONFIG_SHELL=bash

[Paul Eggert]

> From: Akim Demaille <address@hidden>
> Date: 21 Mar 2002 10:49:17 +0100

> | 2002-03-19  Paul Eggert  <address@hidden>
> | 
> |     * lib/m4sugar/m4sh.m4 (_AS_LINENO_PREPARE): Unset ENV and
> |     BASH_ENV when reinvoking the shell, to work around problems
> |     with installers who put "cd" commands in their environments.
> 
> Even if it does not solve the current issue, I'm in favor of it.

OK, I installed it; we can always uninstall it later, I suppose.

I noticed that we couldn't do a similar thing for zsh, though, as zsh
always consults $ZDOTDIR/.zshenv unless /etc/zshenv says not to.  At
least, that's what the man page says on Solaris 8.