[Scons-users] Is their a way to build directly from the .sconsign.dblite file on an incremental build?

[Bill Deegan]

Don,

If your scripts are taking a long time (perhaps post the output from
--debug=time), it's possible they are doing something unwise and could be
improved.

-Bill


On Mon, Oct 5, 2020 at 12:22 PM Don Baldwin <donb at qti.qualcomm.com> wrote:

> Thanks Bill.  We’re aware of that option, and we do make use of that.  I
> was just looking for some additional optimizations to skip the actual
> parsing of the SConstruct files (which, in our builds, takes a significant
> amount of time).
>
>
>
> Matt, thanks for the heads up on the ninja script generation tool.  We
> will definitely look into that further.
>
>
>
> Thanks,
>
> Don
>
>
>
> *From:* Scons-users <scons-users-bounces at scons.org> * On Behalf Of *Bill
> Deegan
> *Sent:* Monday, October 5, 2020 12:08 PM
> *To:* SCons users mailing list <scons-users at scons.org>
> *Subject:* [EXT] Re: [Scons-users] Is their a way to build directly from
> the .sconsign.dblite file on an incremental build?
>
>
>
> Don,
>
>
>
> No you can't build with only a .sconsign.dblite.
>
>
>
> But you can instruct SCons to not scan for implicit dependencies and just
> use those which are stored in the .sconsign.dblite.
>
> --implicit-deps-unchanged should do it.
>
> Take a look at the manpage.
>
>
>
>
>
> On Mon, Oct 5, 2020 at 11:55 AM Don Baldwin <donb at qti.qualcomm.com> wrote:
>
> Hi,
>
>
>
> Is there an option for skipping the normal SConstruct file processing on
> an incremental build and just building directly from the saved
> .sconsign.dblite file from the previous build?
>
>
>
> The goal here is to provide an option for doing very fast incremental
> builds is the developer knows ahead of time that no dependencies have
> changed.
>
>
>
> Thanks,
>
> Don Baldwin
>
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