Date: Sat, 04 Jun 2022 07:23:26 -0700 From: Chris <portmaster@bsdforge.com> To: Stefan Esser <se@freebsd.org> Cc: freebsd-ports <ports@freebsd.org>, koobs@freebsd.org, python <python@freebsd.org>, Tatsuki Makino <tatsuki_makino@hotmail.com> Subject: Re: unknown flavor py37 Message-ID: <e03638ba4abc7d3d3d5d192094ba6542@bsdforge.com> In-Reply-To: <6e363656-99b1-b0a0-846e-954738a0febc@FreeBSD.org> References: <2A99B1E9-BAEC-463D-B933-1ED5F09763E5@cs.huji.ac.il> <E6710DAA-21D2-49DE-B3B8-ED379CBA3948@FreeBSD.org> <73DBCA36-27D4-4BF0-9D04-D859316D0C8E@cs.huji.ac.il> <PSAPR03MB563975478E1D3D2A3EE77DDCFAD99@PSAPR03MB5639.apcprd03.prod.outlook.com> <dda51a029296d966bdf9fe34318687a0@bsdforge.com> <350ac74130b6aa98eaed716a3b5e9679@bsdforge.com> <PSAPR03MB5639A140A1B66ABD509470D1FAA19@PSAPR03MB5639.apcprd03.prod.outlook.com> <97e227bf-09f9-c563-6626-9354c49fca64@FreeBSD.org> <6e363656-99b1-b0a0-846e-954738a0febc@FreeBSD.org>
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--=_30a5ef478ac436e8374fc0893e0e785b Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; format=flowed On 2022-06-04 04:40, Stefan Esser wrote: > Am 04.06.22 um 01:02 schrieb Kubilay Kocak: >> BUILD_ALL_PYTHON_FLAVORS was implemented in the reverse of what it should >> have >> been (DONT_BUILD_ALL_PYTHON_FLAVORS or other). >> >> It was implemented ostensibly as a convenience for poudriere, such that the >> default was for poudriere *not* build all possible supported Python package >> flavours. > > This has bothered me for a long time, too. And it is a problem not only > for the Python ports. > > IMHO there should have been FLAVORS (covering all availble flavors) and > e.g. DEFAULT_FLAVORS meant to contain the subset selected for official > packages. > > But there should not have been a limit on what flavor is available when > building a port (as long as the selected port can work with that flavor). > >> The net effect however, was/is: >> >> 1) The burden implicitly shifted to everyone else needing to opt into >> BUILD_ALL_PYTHON_FLAVORS, when the default ought to have been a port builds >> any >> supported, available or installed Python version, derived as the >> intersection >> of the ports USES=python:<version-spec>, DEFAULT_VERSION value, and what a >> user >> has installed, if any any. > > I could live with an ALL_FLAVORS variable to generally list all flavors > for all flavored ports (often identical to FLAVORS). Then FLAVORS could > keep its role of controlling the selection for the package builders, and > ALL_FLAVORS could be used to identify valid flavors for all other purposes. > >> 2) It forced ports to depend on and match, *exactly*, the <version-spec> of >> all >> of their dependencies, otherwise causing "bulk -a" errors [1], even when >> ports >> supported Python versions were a *superset* of their underlying dependents >> supported versions. This resulted in Python ports <version-specs> being >> incorrectly updated [1], limiting user choice of Python version support, >> reversing a goal and progress the Python team has had to more correctly, >> completely and declaratively, and eventually automatically, specify >> supported >> Python versions. >> >> 3) A substantial reduction in the UX, and increase in the support overhead, >> for >> Python packaging and use on FreeBSD, examples being the "errors" above. >> >> What needs to happen from here: >> >> - The BUILD_ALL_PYTHON_FLAVORS option needs to go away. Before that can >> happen... > > Yes, and as explained above, I'd really like to have FLAVORS always cover > all supported flavors, and a new macro like DEFAULT_FLAVORS (or any other > name that is then used by the package builders) for the selection provided > as packages. > >> - Poudriere needs the ability to only build a single flavor package (not >> all >> flavors) without requiring the ports default to be only one. This might >> take >> the form of some notion of 'default flavor' (derived from default_version), >> or >> something else. > > I thought that this was already the case? > > At least when building a port on the base system ... (I do not use poudriere > except for pre-commit testing of port changes, but I'm still affected by the > FLAVOR issues.) IMHO you really hit the target here in your reply, Stephan. As a maintainer I have found FLAVORS in it's current state to be as frustrating as helpful. Thanks for your thorough evaluation of this Kubilay. 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