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From: Alexey Pakhunov (alexeypa_at_[hidden])
Date: 2005-09-16 13:18:47

Vladimir Prus wrote:

> Can you send them all now? I'll still review and commit them one-by-one but ti
> will help me to see the next step.

Actually I posted them as 'the big patch.' See

Things you are interested in all are in msvc.jam:

>>> 5. new configure rule

rule init
rule configure
rule configure-really

>>> 6. "configure all" syntax

rule configure

>>> 7. "version registration" framework

rule register-configuration
autodetection code

This will be enough for review purposes. Meanwhile, I'll prepare and
post the patches.

>>This is the state when a toolset configuration is detected (by
>>autodetection code) but 'toolset.using' for this configuration wasn't
>>yet called.
> And:
> 1. How a toolset can get in this state? After
> configure gcc : all ;
> ?

Autodetection code is called when a module is imported. It puts all
detected configurations to an instance of 'configurations' class
(.versions). Some time later 'toolset.using' is called. Any of the
following in any combinations:

# configure all detected configurations from .versions
using msvc : all ;

# configure 8.0 if it was detected or try to create a new configuration
# with default parameters for 8.0
using msvc : 8.0 ;

# configure default configuration
using msvc : default ;

# configure default configuration
using msvc ;

# patch parameters of 8.0 and configure it with new parameters
using msvc : 8.0 : "C:\\Program Files\\Microsoft Visual Studio

Resume: 'registered' configuration is simply saved configuration that
has been detected. It will be really configured only when
'toolset.using' will be called.

> 2. What can I do with toolset in that state? Can I request such toolset on
> command line? Say:
> bjam toolset=gcc-4.20

You can do nothing until you call 'toolset.using'.

> 3. I'd expect toolset.using to be called for all invocations of "configure".
> Do you mean "configure with explicit version"?

Sorry, I didn't understand. Can you explain a bit more?

Best regards/Venlig hilsen,
Alexey Pakhunov.


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