Re: [Boost-build] Generating random number string in b2

Subject: Re: [Boost-build] Generating random number string in b2
From: Edward Diener (eldiener_at_[hidden])
Date: 2016-10-10 17:11:35

On 10/10/2016 2:47 PM, Steven Watanabe wrote:
> AMDG
>
> On 10/10/2016 12:24 PM, Edward Diener wrote:
>> On 10/10/2016 11:38 AM, Steven Watanabe wrote:
>>> <snip>
>>> The usual method is to use a counter.
>>> .target-id = 0 ;
>>> rule get-next-id ( )
>>> {
>>>   .target-id = [ CALC $(.target-id) + 1 ] ;
>>>   return $(.target-id) ;
>>> }
>>
>> Thanks, Steve. Works beautifully. I had thought along these lines but
>> did not know when and how often a variable such as .target-id gets
>> initially set. I assume it gets set each time the jam file it is in gets
>> "loaded", but I am not sure when this happens in the Boost Build system.
>>
>
> Every module is loaded once, the
> first time it's needed.

Sensible and good to know. Thanks !

>
> In Christ,
> Steven Watanabe