在过去的几天里，我一直在努力让正确安装感到高兴，虽然我发现不仅要解决cabal install happy错误（通过安装happy-1.19和apt-get添加/opt/happy/1.19.3/bin到PATH）具有挑战性，但现在它会贯穿源代码直到它到达ProduceCode(15 /18) 并且似乎进入了一个无限循环。Ctrl+C当整个系统变得无响应时，它会累积内存，直到我点击或关闭电源。
我想我记得这对 GHC-HEAD 根本不是问题，但我不想使用 head，因为它似乎每隔几天更新一次，需要我不断地重建我的包，除非我有什么技巧不知道从 迁移head到head+1。
$ ghc -v
Glasgow Haskell Compiler, Version 7.8.2, stage 2 booted by GHC version 7.4.1
Using binary package database: /opt/ghc/7.8.2/lib/ghc-7.8.2/package.conf.d/package.cache
Using binary package database: /home/house/.ghc/x86_64-linux-7.8.2/package.conf.d/package.cache
package oeis-0.3.5-26e4c8a4e89d20dbd9e2d89ad4774bd0 is unusable due to missing or recursive dependencies:
HTTP-4000.2.12-2793df5d0fb675f1a42bc04cfdf74851
hiding package Cabal-1.18.1.3 to avoid conflict with later version Cabal-1.20.0
hiding package Cabal-1.19.2 to avoid conflict with later version Cabal-1.20.0
wired-in package ghc-prim mapped to ghc-prim-0.3.1.0-948744e1f99cc8bcc7c7d3ba60c7c2d8
wired-in package integer-gmp mapped to integer-gmp-0.5.1.0-dc47f6b546fc171f67a7f7d311684a99
wired-in package base mapped to base-4.7.0.0-018311399e3b6350d5be3a16b144df9b
wired-in package rts mapped to builtin_rts
wired-in package template-haskell mapped to template-haskell-2.9.0.0-dcc8c210fb02937e104bc1784d7b0f06
wired-in package dph-seq not found.
wired-in package dph-par not found.
Hsc static flags:
*** Deleting temp files:
Deleting:
*** Deleting temp dirs:
Deleting:
ghc: no input files
Usage: For basic information, try the `--help' option.
$ cabal --version
cabal-install version 1.20.0.0
using version 1.20.0 of the Cabal library