On Wed, 06 Apr 2011 15:28:07 +0200 David Engster <deng@randomsample.de> wrote: 

DE> It seems like putting (require 'ert) into an eval-when-compile is not
DE> sufficient. You have to require it unconditionally.

DE> So maybe your first idea was The Right Thing To Do, meaning to use

DE> (require 'ert nil t)

DE> and then test for feature 'ert. Alternatively, you could use the current
DE> hack and put this require in there, too. But this is getting
DE> increasingly ugly...

See the attached patch, which just adds (require 'ert nil t) *in
addition* to the defmacro hack.  It seems to DTRT for me, let me know
what you think.

Ted