Build option survey

[Darren Pilgrim]

Poul-Henning Kamp wrote:
> The build option survey is online again, now with all the new
> and improved build options which Ruslan has provided us with:
> 
> 	http://phk.freebsd.dk/misc/build_options/

If it's advised to use the same initial make env for building and 
installing, why perform the BuildWorld and InstallWorld tests in the survey? 
  Doesn't that pretty much guarantee something will break?