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Subject: Re: [boost] [cmake] Pull request announcement
From: Roger Leigh (rleigh_at_[hidden])
Date: 2018-09-18 15:51:27

On 18/09/18 16:43, Zach Laine via Boost wrote:
> On Tue, Sep 18, 2018 at 10:39 AM Alexander Grund via Boost <
> boost_at_[hidden]> wrote:
>>>> E.g. "yap", "hana" and "callable_traits" each try to create a target
>>>> "check".
>>> What's wrong with that (not upset, just curious)?
>> They conflict with each other. Targets need to have unique names.
> Ah, of course, thanks. Do you have a preferred way to address this?
> F.ex., I only care about the "check" target in independent builds of Yap,
> mainly for Yap-only Travis CI. I could always turn it on conditional on a
> CI configuration variable I cold define.

One possibility:

if(NOT TARGET check)
   create_custom_target(check DEPENDS foo-check)
   add_dependencies(check foo-check)

The top-level CMakeLists.txt would need to define an empty check target
up front which the else() case will add the local check target to.


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