Date: Thu, 14 Mar 2019 18:50:43 +0100 From: =?UTF-8?B?VMSzbA==?= Coosemans <tijl@FreeBSD.org> To: Adam Weinberger <adamw@adamw.org> Cc: Koichiro Iwao <meta@freebsd.org>, ports@freebsd.org Subject: Re: loose dependency Message-ID: <20190314185043.4e566819@kalimero.tijl.coosemans.org> In-Reply-To: <CAP7rwcgv0TGpkKcUQcGw_Vv-ONe%2BemXk9BWzR_dg%2BgUN2vGTPA@mail.gmail.com> References: <20190314.134014.2127053084940820202.hrs@allbsd.org> <20190314061242.ixvtakqiel4aa4r3@icepick.vmeta.jp> <20190314062217.3wx3h2hp74mo3zja@icepick.vmeta.jp> <20190314.165018.2032001534188262193.hrs@allbsd.org> <20190314100939.lsbmlua5hps5mdia@icepick.vmeta.jp> <20190314143330.2cc6bc8d@kalimero.tijl.coosemans.org> <20190314164134.nvafkejhmljsacep@icepick.vmeta.jp> <CAP7rwcgv0TGpkKcUQcGw_Vv-ONe%2BemXk9BWzR_dg%2BgUN2vGTPA@mail.gmail.com>
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On Thu, 14 Mar 2019 11:20:09 -0600 Adam Weinberger <adamw@adamw.org>
wrote:
> On Thu, Mar 14, 2019 at 10:41 AM Koichiro Iwao <meta@freebsd.org> wrote:
>> On Thu, Mar 14, 2019 at 02:33:30PM +0100, T=C4=B3l Coosemans wrote: =20
>>> Like hrs already said: since this is a build dependency you can just
>>> write:
>>>
>>> BUILD_DEPENDS=3D convert:graphics/ImageMagick6
>>>
>>> This does not install ImageMagick6 if 7 is installed. It will only
>>> install 6 if convert does not exist. It is a loose dependency. =20
>>
>> I understand now. This is what I wanted. Perfect!
>> =20
>>> This is not the case for RUN_DEPENDS because dependencies in a package
>>> are currently specified using package names (including version). They
>>> would have to be specified using features where multiple packages can
>>> then provide a feature. =20
>>
>> That's good to know. I'd been thinking the only difference between RUN_
>> and BUILD_DEPENDS is when the dependency is checked. =20
>=20
> This makes building from ports behave differently from pkg. Please,
> just make an OPTIONS_SINGLE for it, and default it to the current
> version (7), not the old version.
You mean building from ports versus poudriere? Poudriere would always
select ImageMagick6 with the BUILD_DEPENDS line above, but that's fine.
Options aren't a good interface for this because the user can select an
option that conflicts with the installed version. It's not really a
port option but a system-wide option. If this needs to be configurable
for poudriere then an entry should be added to bsd.default-versions.mk.
Then the BUILD_DEPENDS line above can become:
BUILD_DEPENDS=3D convert:graphics/ImageMagick${IMAGEMAGICK_DEFAULT}
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