bug#7812: 23.2; compilation-error-regexp-alist extremely unfriendly to customization interface

[Dave Abrahams]

On Thu, Jan 20, 2011 at 10:49 AM, Stefan Monnier
<monnier@iro.umontreal.ca> wrote:
>> Yes, but you *can* design the module so as to make it a non-issue.
>> Give people a customizable variable that is solely for their own use,
>> and give them a way to override the contents of the base alist, which
>> is not customizable but updated with the module.
>
> That's one option.  Another (which I prefer) is to use a defcustom
> that lets the user add-to-front, add-to-rear, and remove elements.
>
> Someone had proposed such a `diff-list' thingy for load-path at
> some point.  I really think we should try to get such a thing working.

More power to ya if you do!  However, this problem *can* be solved,
perhaps less-elegantly, but entirely within the `compile' library.

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com