[Scons-users] Questions about tool selection

[Bill Deegan]

Andrew,

When you say "whatever I do to evict sunlink needs to be backported to at
least one stable release.", do you mean a release of your software, or an
older version of SCons?
Which version of SCons are you using now?
Could you use the scons-local distribution?

-Bill


On Wed, Jun 12, 2013 at 11:02 AM, Andrew C. Morrow <
andrew.c.morrow at gmail.com> wrote:


>

> Thanks Bill -

>

> I guess I really have several issues: one practical, the rest theoretical.

> Lets leave the theoretical ones alone for now...

>

> The practical one, as you may have guessed, is how to get sunlink out of

> the default tools. Certainly I could exactly enumerate the tools I need.

> However, the current Environment setup in this project uses

> tools=['default']. I'm very reluctant to change that, because the

> application of 'default' causes a large number of changes to the

> Environment, and whatever I do to evict sunlink needs to be backported to

> at least one stable release. So I'd like to make the removal of sunlink as

> surgical as possible and not make any other unknown changes to the

> Environment as a result of changing from 'default' to an explicit list. At

> least not right now.

>

> One thought that occurred to me overnight was that if I could somehow get

> a list of what tools 'default' expanded to before constructing the

> Environment, then I could filter sunlink out of that list:

>

> env = Environment(tools=[tool for tool in MagicallyGetWhatDefaultMeans()

> if tool not in ['sunlink']] + [my, custom, tool, list])

>

> Any thoughts on how I might do this? It looks like SCons.Tool.tool_list

> might be the way to go, but that appears to be an internal API, and to

> invoke it I need to know what env['PLATFORM'] evaluates to, but I don't yet

> have an Environment. I suppose I could create a dummy Environment, and use

> its PLATFORM value to call tool_list. But I'd still be concerned about

> invoking the internal API. Any thoughts on this?

>

> Thanks,

> Andrew

>

>

>

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