Re: [jamboost] make-NT rule in util/path.jam

From: Toon Knapen (toon.knapen_at_[hidden])
Date: 2004-08-20 05:24:23

Michael Stevens wrote:

>>And indeed, the if-branch is choosen when $(native) is empty. But
>>apparantly bjam ignores the return statement in the if-branch and
>>continues after the if-block and thus still fails because of the empty
>>argument to path.join.
> 
> This is correct. See jam_src/Jam.html. 
> 
> "Rules can return values ... .... Note that 'return' doesn't actually cause a 
> return, i.e., is a no-op unless it is the last statement of the last block 
> executed within rule body. "
> 

Thanks. I remember I read that but did not understand it well. Now I do 
however;-)

So how can I exit a function prematurely ? I guess there is no way to do 
it and thus need an else-branch.