Thanks, there seems to be dependency issues: cabal install --allow-newer=base -j3 cabal-install Resolving dependencies... In order, the following would be installed: deepseq-1.3.0.2 (latest: 1.4.0.0) (new version) bytestring-0.10.4.1 (new version) containers-0.5.6.2 (reinstall) changes: deepseq-1.4.0.0 -> 1.3.0.2 pretty-1.1.2.0 (new version) text-1.2.0.3 (reinstall) changes: bytestring-0.10.6.0 -> 0.10.4.1, deepseq-1.4.0.0 -> 1.3.0.2 parsec-3.1.7 (reinstall) changes: bytestring-0.10.6.0 -> 0.10.4.1 network-uri-2.6.0.1 (new package) time-1.4.2 (latest: 1.5.0.1) (new version) random-1.1 (reinstall) changes: time-1.5.0.1 -> 1.4.2 unix-2.7.1.0 (reinstall) changes: bytestring-0.10.6.0 -> 0.10.4.1, time-1.5.0.1 -> 1.4.2 directory-1.2.1.0 (new version) network-2.6.0.2 (new package) HTTP-4000.2.19 (new package) process-1.2.1.0 (reinstall) changes: deepseq-1.4.0.0 -> 1.3.0.2, directory-1.2.1.1 -> 1.2.1.0 Cabal-1.20.0.3 (new version) zlib-0.5.4.2 (new package) cabal-install-1.20.0.6 (new package) cabal: The following packages are likely to be broken by the reinstalls: semigroups-0.16.0.1 void-0.7 contravariant-1.2.0.1 semigroupoids-4.2 bifunctors-4.2 comonad-4.2.2 parallel-3.2.0.6 hscolour-1.20.3 hpc-0.6.0.2 ghc-7.10.0.20141222 hoopl-3.10.0.2 hastache-0.6.1 haskeline-0.7.2.0 cereal-0.4.1.0 monad-par-extras-0.3.3 binary-0.7.2.3 bin-package-db-0.0.0.0 Cabal-1.22.0.0 attoparsec-0.12.1.2 abstract-deque-0.3 Glob-0.7.5 scientific-0.3.3.3 polyparse-1.11 cpphs-1.18.6 haskell-src-exts-1.16.0.1 hashable-1.2.3.1 unordered-containers-0.2.5.1 blaze-builder-0.3.3.4 MonadRandom-0.3.0.1 extra-1.0 cmdargs-0.10.12 directory-1.2.1.1 ansi-terminal-0.6.2.1 ansi-wl-pprint-0.6.7.1 Use --force-reinstalls if you want to install anyway. On Thu, Jan 1, 2015 at 1:34 PM, Johan Tibell wrote:

Try

cabal install --allow-newer=base -j3 cabal-install

Once GHC 7.10 is out we might make another Cabal 1.20 release to bump the upper bound on the base dependency if 1.20 is indeed compatible with the latest base.

On Thu, Jan 1, 2015 at 12:08 PM, George Colpitts < george.colpitts@gmail.com> wrote:

...

​$ ​ cabal update Downloading the latest package list from hackage.haskell.org Note: *there is a new version of cabal-install available.* To upgrade, run: cabal install cabal-install bash-3.2$ *cabal install -j3 cabal-install * *​...​*

*Resolving dependencies...cabal: Could not resolve dependencies:* trying: cabal-install-1.20.0.6 (user goal) trying: base-4.8.0.0/installed-779... (dependency of cabal-install-1.20.0.6) next goal: process (dependency of cabal-install-1.20.0.6) rejecting: process-1.2.1.0/installed-2db... (conflict: unix==2.7.1.0, process => unix==2.7.1.0/installed-4ae...) trying: process-1.2.1.0 next goal: directory (dependency of cabal-install-1.20.0.6) rejecting: directory-1.2.1.1/installed-b08... (conflict: directory => time==1.5.0.1/installed-c23..., cabal-install => time>=1.1 && <1.5) rejecting: directory-1.2.1.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.5 && <4.8) rejecting: directory-1.2.0.1, 1.2.0.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.7) rejecting: directory-1.1.0.2 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.6) rejecting: directory-1.1.0.1 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.5) rejecting: directory-1.1.0.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.4) rejecting: directory-1.0.1.2, 1.0.1.1, 1.0.1.0, 1.0.0.3, 1.0.0.0 (conflict: process => directory>=1.1 && <1.3) Dependency tree exhaustively searched.

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Thanks but that doesn't seem to work either: cabal install --allow-newer=base --allow-newer=bytestring,deepseq -j3 cabal-install Resolving dependencies... cabal: Could not resolve dependencies: trying: cabal-install-1.20.0.6 (user goal) trying: base-4.8.0.0/installed-779... (dependency of cabal-install-1.20.0.6) next goal: process (dependency of cabal-install-1.20.0.6) rejecting: process-1.2.1.0/installed-2db... (conflict: unix==2.7.1.0, process => unix==2.7.1.0/installed-4ae...) trying: process-1.2.1.0 next goal: directory (dependency of cabal-install-1.20.0.6) rejecting: directory-1.2.1.1/installed-b08... (conflict: directory => time==1.5.0.1/installed-c23..., cabal-install => time>=1.1 && <1.5) rejecting: directory-1.2.1.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.5 && <4.8) rejecting: directory-1.2.0.1, 1.2.0.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.7) rejecting: directory-1.1.0.2 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.6) rejecting: directory-1.1.0.1 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.5) rejecting: directory-1.1.0.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.4) rejecting: directory-1.0.1.2, 1.0.1.1, 1.0.1.0, 1.0.0.3, 1.0.0.0 (conflict: process => directory>=1.1 && <1.3) Dependency tree exhaustively searched. On Thu, Jan 1, 2015 at 2:15 PM, Mikhail Glushenkov < the.dead.shall.rise@gmail.com> wrote:

Hi,

On 1 January 2015 at 19:00, George Colpitts wrote:

...

Thanks, there seems to be dependency issues:

Try also adding '--allow-newer=bytestring,deepseq'.

however still fails to install but now due to problems with cabal itself [76 of 76] Compiling Main ( /var/folders/9b/rh4y2gy92hgdb6ktv4df1jv00000gn/T/Cabal-1.20.0.3-62215/Cabal-1.20.0.3/dist/setup/setup.hs, /var/folders/9b/rh4y2gy92hgdb6ktv4df1jv00000gn/T/Cabal-1.20.0.3-62215/Cabal-1.20.0.3/dist/setup/Main.o ) Linking /var/folders/9b/rh4y2gy92hgdb6ktv4df1jv00000gn/T/Cabal-1.20.0.3-62215/Cabal-1.20.0.3/dist/setup/setup ... Configuring Cabal-1.20.0.3... Building Cabal-1.20.0.3... Preprocessing library Cabal-1.20.0.3... on the commandline: Warning: -package-name is deprecated: Use -this-package-key instead ghc: ghc no longer supports single-file style package databases (dist/package.conf.inplace) use 'ghc-pkg init' to create the database with the correct format. Updating documentation index /Users/gcolpitts/Library/Haskell/share/doc/index.html cabal: Error: some packages failed to install: Cabal-1.20.0.3 failed during the building phase. The exception was: ExitFailure 1 cabal-install-1.20.0.6 depends on Cabal-1.20.0.3 which failed to install. On Thu, Jan 1, 2015 at 2:34 PM, George Colpitts wrote:

following solves dependency problems, added a few more packages, thanks!

cabal install --allow-newer=base,bytestring,deepseq,unix,process,time,random -j3 cabal-install

On Thu, Jan 1, 2015 at 2:27 PM, George Colpitts

...

wrote:

...

Thanks but that doesn't seem to work either:

cabal install --allow-newer=base --allow-newer=bytestring,deepseq -j3 cabal-install Resolving dependencies... cabal: Could not resolve dependencies: trying: cabal-install-1.20.0.6 (user goal) trying: base-4.8.0.0/installed-779... (dependency of cabal-install-1.20.0.6) next goal: process (dependency of cabal-install-1.20.0.6) rejecting: process-1.2.1.0/installed-2db... (conflict: unix==2.7.1.0, process => unix==2.7.1.0/installed-4ae...) trying: process-1.2.1.0 next goal: directory (dependency of cabal-install-1.20.0.6) rejecting: directory-1.2.1.1/installed-b08... (conflict: directory => time==1.5.0.1/installed-c23..., cabal-install => time>=1.1 && <1.5) rejecting: directory-1.2.1.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.5 && <4.8) rejecting: directory-1.2.0.1, 1.2.0.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.7) rejecting: directory-1.1.0.2 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.6) rejecting: directory-1.1.0.1 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.5) rejecting: directory-1.1.0.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.4) rejecting: directory-1.0.1.2, 1.0.1.1, 1.0.1.0, 1.0.0.3, 1.0.0.0 (conflict: process => directory>=1.1 && <1.3) Dependency tree exhaustively searched.

On Thu, Jan 1, 2015 at 2:15 PM, Mikhail Glushenkov < the.dead.shall.rise@gmail.com> wrote:

...

Hi,

On 1 January 2015 at 19:00, George Colpitts wrote:

...

Thanks, there seems to be dependency issues:

Try also adding '--allow-newer=bytestring,deepseq'.

I still have 7.8.3 but it doesn't seem to want to build the latest cabal: ghc --version The Glorious Glasgow Haskell Compilation System, version 7.8.3 bash-3.2$ cabal install cabal-install Resolving dependencies... Configuring cabal-install-1.20.0.6... Building cabal-install-1.20.0.6... Installed cabal-install-1.20.0.6 Updating documentation index /Users/gcolpitts/Library/Haskell/share/doc/index.html On Thu, Jan 1, 2015 at 2:54 PM, Edward Z. Yang wrote:

If you still have your old GHC around, it will be much better to compile the newest cabal-install using the *old GHC*, and then use that copy to bootstrap a copy of the newest cabal-install.

Edward

Excerpts from George Colpitts's message of 2015-01-01 12:08:44 -0500:

...

​$ ​ cabal update Downloading the latest package list from hackage.haskell.org Note: *there is a new version of cabal-install available.* To upgrade, run: cabal install cabal-install bash-3.2$ *cabal install -j3 cabal-install * *​...​*

*Resolving dependencies...cabal: Could not resolve dependencies:* trying: cabal-install-1.20.0.6 (user goal) trying: base-4.8.0.0/installed-779... (dependency of cabal-install-1.20.0.6) next goal: process (dependency of cabal-install-1.20.0.6) rejecting: process-1.2.1.0/installed-2db... (conflict: unix==2.7.1.0, process => unix==2.7.1.0/installed-4ae...) trying: process-1.2.1.0 next goal: directory (dependency of cabal-install-1.20.0.6) rejecting: directory-1.2.1.1/installed-b08... (conflict: directory => time==1.5.0.1/installed-c23..., cabal-install => time>=1.1 && <1.5) rejecting: directory-1.2.1.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.5 && <4.8) rejecting: directory-1.2.0.1, 1.2.0.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.7) rejecting: directory-1.1.0.2 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.6) rejecting: directory-1.1.0.1 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.5) rejecting: directory-1.1.0.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.4) rejecting: directory-1.0.1.2, 1.0.1.1, 1.0.1.0, 1.0.0.3, 1.0.0.0 (conflict: process => directory>=1.1 && <1.3) Dependency tree exhaustively searched.

Thanks, I seem to have got that to work On Thu, Jan 1, 2015 at 3:37 PM, Edward Z. Yang wrote:

Oh, because Cabal HQ hasn't cut a release yet.

Try installing out of Git. https://github.com/haskell/cabal/

Edward

Excerpts from George Colpitts's message of 2015-01-01 14:23:50 -0500:

...

I still have 7.8.3 but it doesn't seem to want to build the latest cabal:

ghc --version The Glorious Glasgow Haskell Compilation System, version 7.8.3 bash-3.2$ cabal install cabal-install Resolving dependencies... Configuring cabal-install-1.20.0.6... Building cabal-install-1.20.0.6... Installed cabal-install-1.20.0.6 Updating documentation index /Users/gcolpitts/Library/Haskell/share/doc/index.html

On Thu, Jan 1, 2015 at 2:54 PM, Edward Z. Yang wrote:

...

If you still have your old GHC around, it will be much better to compile the newest cabal-install using the *old GHC*, and then use that copy to bootstrap a copy of the newest cabal-install.

Edward

Excerpts from George Colpitts's message of 2015-01-01 12:08:44 -0500:

...

​$ ​ cabal update Downloading the latest package list from hackage.haskell.org Note: *there is a new version of cabal-install available.* To upgrade, run: cabal install cabal-install bash-3.2$ *cabal install -j3 cabal-install * *​...​*

*Resolving dependencies...cabal: Could not resolve dependencies:* trying: cabal-install-1.20.0.6 (user goal) trying: base-4.8.0.0/installed-779... (dependency of cabal-install-1.20.0.6) next goal: process (dependency of cabal-install-1.20.0.6) rejecting: process-1.2.1.0/installed-2db... (conflict: unix==2.7.1.0, process => unix==2.7.1.0/installed-4ae...) trying: process-1.2.1.0 next goal: directory (dependency of cabal-install-1.20.0.6) rejecting: directory-1.2.1.1/installed-b08... (conflict: directory => time==1.5.0.1/installed-c23..., cabal-install => time>=1.1 && <1.5) rejecting: directory-1.2.1.0 (conflict: base== 4.8.0.0/installed-779..., directory => base>=4.5 && <4.8) rejecting: directory-1.2.0.1, 1.2.0.0 (conflict: base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.7) rejecting: directory-1.1.0.2 (conflict: base== 4.8.0.0/installed-779..., directory => base>=4.2 && <4.6) rejecting: directory-1.1.0.1 (conflict: base== 4.8.0.0/installed-779..., directory => base>=4.2 && <4.5) rejecting: directory-1.1.0.0 (conflict: base== 4.8.0.0/installed-779..., directory => base>=4.2 && <4.4) rejecting: directory-1.0.1.2, 1.0.1.1, 1.0.1.0, 1.0.0.3, 1.0.0.0 (conflict: process => directory>=1.1 && <1.3) Dependency tree exhaustively searched.