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2020-09-21 09:08:10 <maerwald> upgrade to 3.2.0.0
2020-09-21 09:08:33 <cpressey> [exa]: In fact I don't, that could easily be the problem.
2020-09-21 09:09:50 <[exa]> debian says it has 3.0.0.0-3 which might be the same... You may just use the binary distribution of cabal from their website, or get one using ghcpu
2020-09-21 09:09:55 <[exa]> *ghcup
2020-09-21 09:10:03 × worc3131 quits (~quassel@2a02:c7f:c026:9500:7d0b:65d0:38a4:4786) (Remote host closed the connection)
2020-09-21 09:10:10 → heatsink joins (~heatsink@107-136-5-69.lightspeed.sntcca.sbcglobal.net)
2020-09-21 09:10:32 <[exa]> a common observation here is that ghc/cabal versions from $distro's package manager usually suck
2020-09-21 09:10:59 <maerwald> there's also https://launchpad.net/~hvr/+archive/ubuntu/ghc but it lacks ghc-8.10
2020-09-21 09:11:02 <cpressey> maerwald: This is the version it gave me when I did "cabal install cabal-install" on (I think) Friday. I'll try upgrading again and see if it goes all the way to 3.2 this time.
2020-09-21 09:11:18 × psut quits (~psutcliff@2a00:801:44a:a00b:20c3:c64:eb15:73a2) (Quit: Leaving)
2020-09-21 09:11:18 → worc3131 joins (~quassel@2a02:c7f:c026:9500:7d0b:65d0:38a4:4786)
2020-09-21 09:11:27 <maerwald> ah no, it has 8.10
2020-09-21 09:11:40 <maerwald> cpressey: cabal install cabal-install doesn't work very well
2020-09-21 09:11:41 <int-e> cpressey: the newer cabal-install should pick up the most recent cabal-install ;-)
2020-09-21 09:12:11 <merijn> You might need to "cabal update" first :p
2020-09-21 09:12:13 <maerwald> int-e: that depends on your GHC version, not cabal-install
2020-09-21 09:12:14 <int-e> maerwald: it turns out that cabal-install 3.2 cannot be built with cabal-install<2.2
2020-09-21 09:12:27 <maerwald> well, then both
2020-09-21 09:12:35 <cpressey> [exa]: Is it absolutely required to list all modules in the cabalfile? In development, I sometimes add/remove modules, and it would be nice to not have to remember to update the cabalfile too
2020-09-21 09:13:10 <maerwald> cpressey: you can use cabal-fmt to auto-expand modules https://oleg.fi/gists/posts/2019-08-11-cabal-fmt.html
2020-09-21 09:13:14 <merijn> cpressey: Also, why did you still have 1.24? :o THat's ancient
2020-09-21 09:13:46 <phadej> merijn: some people use distributions' package managers, and their repositories ;)
2020-09-21 09:13:46 <cpressey> merijn: because I'm running Ubuntu 18.04 LTS and was still using the version in their package repository.
2020-09-21 09:13:58 <phadej> but does 18.04 has that old cabal-install
2020-09-21 09:13:59 <merijn> cpressey: Short answer: Yes. Long answer: Yes, because the cabal file is supposed to *define* what goes into a source distribution and doing that sorta thing implicitly is...a bad idea
2020-09-21 09:14:07 <int-e> phadej: yes
2020-09-21 09:14:08 <phadej> that's wiked
2020-09-21 09:14:09 <merijn> cpressey: Wow, that's depressing
2020-09-21 09:14:19 × heatsink quits (~heatsink@107-136-5-69.lightspeed.sntcca.sbcglobal.net) (Ping timeout: 246 seconds)
2020-09-21 09:14:27 <int-e> phadej: 18.04 was released very shortly after cabal-install 2.0.0.0
2020-09-21 09:14:37 <int-e> phadej: presumably it was frozen then.
2020-09-21 09:14:39 <merijn> cpressey: 1.24 is probably at least 4-6 years out of date by now :o
2020-09-21 09:14:51 <[exa]> cpressey: well it sometimes picks the unlisted modules correctly for me, but I have no idea about the precise reason why it works
2020-09-21 09:15:00 <merijn> [exa]: It doesn't
2020-09-21 09:15:02 <maerwald> merijn: that's what LTS means
2020-09-21 09:15:04 <maerwald> lol
2020-09-21 09:15:13 <merijn> [exa]: However, GHC looks for imports independent of cabal
2020-09-21 09:15:15 <cpressey> Well, not listing the modules in the cabalfile probably explains my problem, anyway. Thanks all.
2020-09-21 09:15:30 <merijn> [exa]: So, even if files aren't listed, GHC may find them
2020-09-21 09:16:06 <[exa]> o good
2020-09-21 09:16:12 <int-e> phadej: Or hmm. Am I off by a year? Anyway, 1.24 wasn't ancient yet then :P
2020-09-21 09:16:13 <[exa]> makes sense, thanks
2020-09-21 09:16:42 → pfurla joins (~pfurla@ool-182ed2e2.dyn.optonline.net)
2020-09-21 09:16:45 <int-e> phadej: and your 4-6 years are definitely closer to 3.
2020-09-21 09:16:52 <merijn> int-e: That was mine
2020-09-21 09:16:57 → boxscape joins (577bcb23@gateway/web/cgi-irc/kiwiirc.com/ip.87.123.203.35)
2020-09-21 09:17:08 <merijn> Although, admittedly I may have been using the source version
2020-09-21 09:17:10 <int-e> ah. oops I did it again...
2020-09-21 09:17:35 <merijn> I just recall switching to new-build early on in the Haskell part of my phd codebase and I moved on from 1.24 really shortly after that :p
2020-09-21 09:17:45 <phadej> 20.04 is using 2.4.0.0
2020-09-21 09:17:52 <phadej> though there definitely was 3.0 and 3.2
2020-09-21 09:18:01 <boxscape> was curious how the constraints package implements Gcd so I took a look and... https://hackage.haskell.org/package/constraints-0.12/docs/src/Data.Constraint.Nat.html#Gcd
2020-09-21 09:18:02 <boxscape> that doesn't look right? Am I missing something or is it just not fully implemented?
2020-09-21 09:18:06 <merijn> int-e: Perhaps it's just academic trauma induced time dilation that makes feel like it was 6 years :p
2020-09-21 09:18:06 <phadej> and **worse**, they have ghc-8.8
2020-09-21 09:18:12 <phadej> which cabal-install-2.4 doesn't support
2020-09-21 09:18:17 <phadej> they = Ubuntu
2020-09-21 09:18:29 <merijn> lol
2020-09-21 09:18:35 <int-e> merijn: FWIW, I was surprised as well... it feels longer.
2020-09-21 09:18:38 <merijn> Linux packaging, yay!
2020-09-21 09:18:41 <phadej> or now
2020-09-21 09:18:48 <phadej> s/now/no
2020-09-21 09:18:54 <phadej> it's 8.8.1+dfsg1+is+8.6.5
2020-09-21 09:19:01 <phadej> which is :)(:
2020-09-21 09:19:19 <int-e> phadej: still usable for bootstrapping a real ghc.
2020-09-21 09:19:38 <phadej> feels like it's common that distribution packages don't really are up to date with where HAskell goes
2020-09-21 09:19:44 → kuribas joins (~user@ptr-25vy0i9m1chs7zs38i7.18120a2.ip6.access.telenet.be)
2020-09-21 09:19:44 <phadej> int-e: to bootstrap 9.0 you need 8.8.1
2020-09-21 09:19:47 <phadej> that one is really 8.6.5
2020-09-21 09:19:50 <phadej> so no luck.
2020-09-21 09:19:55 → borne joins (~fritjof@200116b864f88900f00953f5fedbeb5e.dip.versatel-1u1.de)
2020-09-21 09:19:59 <tomsmeding> boxscape: not to speak about Lcm, Div and Mod
2020-09-21 09:20:03 <int-e> phadej: 9.0 isn't released
2020-09-21 09:20:12 <phadej> int-e: I hope it's matter of weeks now.
2020-09-21 09:20:14 <boxscape> tomsmeding right
2020-09-21 09:20:46 <maerwald> int-e: 9.0.1-alpha1 is
2020-09-21 09:20:48 <tomsmeding> boxscape: does it actually _work_, somehow in a way that we don't understand? or is it actually unimplemented
2020-09-21 09:20:58 <tomsmeding> work as in "test it"
2020-09-21 09:21:06 <boxscape> I haven't actually tried to be honest but I guess I should, and I will right now
2020-09-21 09:21:07 <phadej> ghc "support" windows are too short for ubuntu :(
2020-09-21 09:21:34 → Cadair1 joins (~Cadair@185.204.1.185)
2020-09-21 09:21:54 <maerwald> boxscape: try to be honest next time
2020-09-21 09:22:17 <boxscape> but I was honest this time too :(
2020-09-21 09:22:34 <boxscape> it doesn't work, by the way - Gcd 4 2 is not reduced
2020-09-21 09:22:39 <tomsmeding> heh
2020-09-21 09:22:41 <phadej> maerwald: there is no 9.0.1-alpha1, is there?
2020-09-21 09:22:54 <maerwald> https://downloads.haskell.org/~ghc/9.0.1-alpha1/
2020-09-21 09:23:15 <tomsmeding> boxscape: file a bug report :)
2020-09-21 09:23:47 <boxscape> I suppose I will, or maybe a PR if I can figure out how it should work
2020-09-21 09:25:09 <merijn> hah
2020-09-21 09:25:32 <merijn> Next thing you know you'll be handed commit access and responsible for maintaining it ;)
2020-09-21 09:25:38 <boxscape> oh boy
2020-09-21 09:25:43 <int-e> phadej: hmm if you release 2 major versions per year and you support the 2 latest major versions for bootstrapping...
2020-09-21 09:25:48 <boxscape> I am not at all qualified to handle the constraints package :)
2020-09-21 09:25:48 <tomsmeding> unlikely for this particular package I think
2020-09-21 09:25:56 <phadej> maerwald: there isn't tag in repository
2020-09-21 09:26:02 <int-e> ...that's not a very generous time frame
2020-09-21 09:26:04 <phadej> maerwald: so I have no idea what that directory is about
2020-09-21 09:26:23 <phadej> maerwald: also it wasn't announced, and according to ben, if something weren't announced it doesn't exist.
2020-09-21 09:26:29 <maerwald> phadej: I don't know either, but it works fine :p
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