Build system ideas/requirements

[Florian La Roche]

> If someone were to develop a tool that compared consecutive
> ./configure runs and reported major differences, that'd be cool.  
> I don't know how difficult that'd be though.  I suspect if it 
> were easy someone might have done it by now, but who knows.  ;o)


The log files might help with some of this. E.g. looking at changes
between different archs or if updating glibc could sometimes help.

greetings,

Florian La Roche