On Mon, 29 Feb 2016 09:33:23 +0100 Claude Krantz
> Dear Thomas,
> As far as I understand Hendriks analysis, there is indeed nothing upstream
> can do about this. He included the fvwm mailing list before his analysis
> that the bug is introduced in Debian.
> Thanks for pointing out that one can effectively disable the patch also by an
> undefine. While this may be technically interesting for the package
> suggesting that Debian useres should routinely recompile their software on
> is really beyond the scope of a binary distribution.
I have updated the package in Debian to the newest Fvwm 2.6.7 release
and in the process the offending patch is no longer being applied.
If you get a chance can you confirm that using the newest upstream
release fixes this issue.