Re: [boost] Boost CMake update

Subject: Re: [boost] Boost CMake update
From: Peter Dimov (lists_at_[hidden])
Date: 2017-10-04 22:08:01

paul wrote:

> But you are requiring that X 1.64 only to use Y 1.64. If we want it that 
> once its built, it keeps using the same version, we can have 
> `bcm_auto_export` to always generate the `find_dependency` with an `EXACT` 
> argument using the version Y it is built with.

You're right, this is exactly what we need to do.

Since in the superproject case find_package is overridden to do nothing, 
there's no need to version-lock it. People who install a library separately 
would presumably know what they're doing.