sudo port upgrade installed

[Neil]

On 29 Nov 2008, at 19:43, Frank J. R. Hanstick wrote:

> Hello,
>
> Frank
>
> On Nov 29, 2008, at 2:46 PM, Neil wrote:
>
>>
>> On 29 Nov 2008, at 16:46, Frank J. R. Hanstick wrote:
>>
>>> I think preventing usage during an upgrade process would be far  
>>> superior to using and having links severed during usage..
>>>
>>
>> Okay, so I'm upgrading gcc43, going from 4.3.1 to 4.3.2 (current).   
>> It's going to take 2 hours say.  You find it superior that MacPorts  
>> should (somehow) stop me from using gcc 4.3.1 to perhaps write a  
>> couple hello-world sized test cases while it's compiling gcc 4.3.2  
>> instead of just compiling 4.3.2 elsewhere, and then swapping them  
>> out when it's done?
>>
>> Kindly permit me to draw you an analogy:  You want to buy a new  
>> car.  The search for a new car will take 3 weeks.  You find it  
>> superior that I take away your current car while you're shopping  
>> for the new car, instead of letting you use your current car up  
>> until you find a new car, and then swapping them?
>>
> 	And I will give you an even better example.  Your compilation is 30  
> seconds from finished and the links to gcc are lost, then what?  You  
> prefer to have your compilation crash?  Your analogy is MBE.  The  
> car you have is not linked to one being upgraded.  It would be like  
> your current car suddenly quitting while your are driving it in the  
> middle of the freeway because the new model is now ready.  Get a  
> better analogy.

If your compilation is going to take that long, then it wouldn't  
finish under either scenario; so there is nothing to lose.  But if  
your compilation is 30 seconds shorter, then under your scenario is  
fails, and under the current scenario it doesn't.

-N.