Re: [boost] [cmake] Minimum viable cmakeification for Boost

Subject: Re: [boost] [cmake] Minimum viable cmakeification for Boost
From: Peter Dimov (lists_at_[hidden])
Date: 2017-06-20 19:38:07

paul wrote:

> My OS is a large-scale build, which does not use a single build system.

Good. I don't have an OS, so I can't relate.

> > Reproducible here refers to you get a bug report about build number 
> > 49121, but you're already on 56192 internally. You need to be able to 
> > rewind back to 49121. The entire state of the project is a unit, you 
> > can't treat dependencies as their own separate kingdoms which you build, 
> > "install", and forget about.
>
> If the dependencies are different between build 49121 and 56192, I 
> would've update CI scripts in the repo with the different requirements. 
> Otherwise the CI has no idea how to build it correctly. When I rollback to 
> 49121, I just use the CI scripts for that commit.

It's not entirely clear to me how just using the CI scripts for that commit 
would give you the build for that commit. The point of the install model is 
that the build of the project doesn't rebuild the dependencies, it uses the 
prebuilt ones.