make release cross-platform: Malformed conditional (${MK_SENDMAIL} != "no")

[Angelo Turetta]

st41ker wrote:
>> First question (reality check): is it possible to build 7-CURRENT(amd64)
>> on 6-STABLE(i386)?
>>
>> If yes, do you know what may be the cause of the error I get after the
>> 'build world' phase? (please see attachment for make output)
> 
> http://romana.now.ie/writing/customfreebsdiso.html

Nice page, unfortunately doesn't answer any of my questions.

Angelo Turetta