Hi Robert,

On Fri, Sep 1, 2017 at 9:21 PM, Robert Dailey <rcdailey.li...@gmail.com>
wrote:

>
> One problem I thought of with the former (one big target.cmake with
> all import targets in there) is that if you only ask for a subset of
> components in find_package(), you will still get all of them since all
> imports are defined in a single file.


In my project I have a bunch of components and do one exported target per
component
exactly by the mentioned reason -- user didn't ask for others...


> Does this go against any design
> principles?


As far as I know, there are no clear design principles :) (yet, at least
nowadays) -- at least doing
a lot of CMake projects since 2009, I've never seen an explicit list of
them %)
IMHO, there is a lack of "official guildelines" (or it is really hard to
search for 'em)

Assuming this really happens, are there any negative side
> effects?
>

I could see the impact on build time only in this case... and for me the
most obvious is increasing
time to process the lists (which is for some reasons really slow on
Windows, at least in our
build farm which uses vargant and VirtualBox images)
(but I don't have any particular numbers, cuz never implemented the first
approach)




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