[Scons-dev] New symlink copy support

[William Blevins]

Is SCons option "--duplicate=DUPLICATE" used to control Variant copying
behavior?  Seems that SCons already has functionality equivalent to CCopy
that could utilized for Copy.

V/R,
William


On Tue, Jul 29, 2014 at 7:27 PM, William Blevins <wblevins001 at gmail.com>
wrote:

> I can't foresee any situation where global switch will be useful, but
>> it may be worthy to set one. I hope our goal is to to have intelligent
>> and fast build system, not the one creeping with options. So if we can
>> make automatic defaults that work fast thanks to symlinks where this
>> is supported without breaking former logic - I am all +1.
>
>
> I personally think a global switch would be very convenient if you don't
> like the default behavior.
>
> Options are fine if they are handled like "scons --debug=<items>" so the
> options are well categorized.  I agree that a lot of base level options can
> be scary though.
>
> It may not break previous logic, but it may not have the desired effect.
>  The difference is subtle, but could be even harder to troubleshoot.
>
> I do think the original effort should have been to do this in the first
> place.  I didn't know it existed until after the changes had been
> discussed, reviewed, and merged.
>
> V/R,
> William
>
>
> On Tue, Jul 29, 2014 at 12:51 PM, anatoly techtonik <techtonik at gmail.com>
> wrote:
>
>> On Mon, Jul 28, 2014 at 6:25 PM, Kenny, Jason L <jason.l.kenny at intel.com>
>> wrote:
>> > Anatoly,
>> >
>> > What is your take on the CCopy behavior in Parts. I believe this
>> addresses the issue you are concern over. The logic be default is to do a
>> hard-soft-copy which is to say make a hard link, else symlink, else full
>> copy.
>>
>> My take is that's the way to go if we are making this Copy logic
>> implicit. If there is a fallback mechanism then there won't be any
>> issues.
>>
>> > The code allow the user to explicitly set the "copy" logic for the
>> whole build and allow a given copy to be set to have exact semantics the
>> user wants independent of what the whole build is set to.
>>
>> I can't foresee any situation where global switch will be useful, but
>> it may be worthy to set one. I hope our goal is to to have intelligent
>> and fast build system, not the one creeping with options. So if we can
>> make automatic defaults that work fast thanks to symlinks where this
>> is supported without breaking former logic - I am all +1.
>> _______________________________________________
>> Scons-dev mailing list
>> Scons-dev at scons.org
>> http://two.pairlist.net/mailman/listinfo/scons-dev
>>
>
>
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