[Scons-dev] Ability to send callback for setting an Environment() variable..

[Bill Deegan]

If you set any env['XYZ'], a builder could set up a call back function to
get called when the value is changed.
So for example.
The tool sets env['CC'],  in the Environment() initialization, then the
user sets it explicitly.
The builder could have a function which would be called when it is set,
which would allow the builder to reconfigure the tool and/or other related
env variables.

-Bill

On Sat, Sep 3, 2016 at 11:32 PM, William Blevins <wblevins001 at gmail.com>
wrote:

> Bill,
>
> You mean set CC to the directory rather than the gcc compiler? I'm not
> sure I understand your question.
>
> V/R,
> William
>
> On Thu, Sep 1, 2016 at 4:47 PM, Bill Deegan <bill at baddogconsulting.com>
> wrote:
>
>> Greetings,
>>
>> Here's what I"m thinking.
>>
>> env['CC'] = '/my/path/to/custom/gcc/version'
>>
>> Would then call a method specified in the gcc tool.
>> This would allow (minimally) SCons to set the compiler version correctly.
>> For example:
>> env['GCCVERSION']='5.0.0'
>>
>> Thoughts?
>>
>> -Bill
>>
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>>
>
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