[swift-users] REPL failed

[Dmitri Gribenko]

On Thu, Dec 10, 2015 at 9:59 AM, Daniel Dunbar <daniel_dunbar at apple.com> wrote:
> Actually, I am retracting this suggestion in favor of what I think is a better one:
>
> What if we change the build process to build up a "composed package" as part of the regular build. We would clear this at the start of each build, and then build up the installed compiler + libraries + package manager as each project completed its build (basically just using the same install logic into a side location).
>
> This has a number of benefits:
>
>  - At the end of the build, we have a "build/<config>/bin" directory which has a functioning compiler.
>  - Each project in the chain can use the composed build to work with. So for example, the package manager can build with the compiler + xctest as they are expected to look in a package. This would reduce some complexity in our build process, and be more maintainable.
>  - This solution scales better if/when we add more projects.
>  - This solution also lets the build easily sub in an "prebuilt package" into the build process (it just means pointing at a different composed package).
>
> Thoughts?

My concern is that copying files around will significantly increase
the build time for everyone because of I/O.  Debug builds of Swift are
quite large (> 700 Mb IIRC).

Dmitri

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