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From: Vladimir Prus (ghost_at_[hidden])
Date: 2004-09-06 02:29:47

David Abrahams wrote:

> Vladimir Prus <ghost_at_[hidden]> writes:
>> Hi Toon,
>>> Whenever I use bjam on windows saying that path.join( elements + ) is
>>> called with an empty argument list from within make-NT in path.jam.
>>> Now I have seen that make-UNIX first tests if the argument is not empty
>>> before continuing, could I add the same test to make-NT ?
>>> (I have reported this while Vladimir was on vacation but thought to post
>>> it again because Vladimir probably missed it)
>> Thanks for the reminder. Looking at the stack trace in your original
>> email, I think the problem is somewhere else -- we should not be calling
>> path.make with empty string.
> Maybe you should change the signature of make-Unix so that you are
> more likely to see the problem.

Changing the signature won't help, since the rule is called with empty
string as the only argument, not with zero arguments ;-) That is,

l = "" ;
make-UNIX $(l) ;

won't be caught by signature check. But I've modified the function body to
check for empty arguments and committed the change.

- Volodya


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