问题描述
在 cabal install ihaskell 我阅读
$ b $进行安装b
今天早上我升级到 ghc-7.8.4 和 cabal-1.22 和I我正在使用一个简单的 git clone 从github仓库下载iHaskell。
它有几个库的定位困难。
/ usr / bin / ld：无法找到-lHStransformers-compat-0.4.0.3-ghc7.8.4
/ usr / bin / ld：无法找到-lHSmtl-2.1.3.1-ghc7.8.4
/ usr / bin / ld：找不到-lHStagged-0.7.3-ghc7.8.4
/ usr / bin / ld：找不到-lHStext-1.2.0.4-ghc7.8.4
/ usr / bin / ld：找不到-lHSvector-0.10.12.2-ghc7.8.4
/ usr / bin / ld：无法找到-lHSunordered-containers-0.2.5.1-ghc7.8.4
/ usr / bin / ld：找不到-lHSsyb-0.4.4-ghc7.8.4
/ usr / bin / ld：找不到-lHSmtl -2.1.3.1-ghc7.8.4
/ usr / bin / ld：找不到-lHSdlist-0.7.1-ghc7.8.4
/ usr / bin / ld：找不到-lHSattoparsec-0.12.1.3 -ghc7.8.4
/ usr / bin / ld：找不到-lHSscientific-0.3.3.7-ghc7.8.4
/ usr / bin / ld：找不到-lHShashable-1.2.3.1-ghc7.8.4
不幸的是，我可以验证其中一些存在。
me @ ubuntu：〜/ Downloads / IHaskell $ cabal install mtl
正在解析依赖项...
所有请求的软件包已经安装：
mtl-2.2.1
如果您想重新安装，请使用--reinstall
ld 似乎更像是一个C ++错误，而不是Haskell错误，但我不知道如何处理。
在StackOverflow上，并在Github上发布了几个问题，我知道我对cabal的符号链接已经过期。出于某种原因，即使在我下载并安装了版本22之后，它也指向了版本16。
$ b
After much difficulty with cabal install ihaskell I read
This morning I upgraded to ghc-7.8.4 and cabal-1.22 and I am downloading iHaskell from the github repository using a simple git clone.
It is having difficulting locating several libraries.
/usr/bin/ld: cannot find -lHStransformers-compat-0.4.0.3-ghc7.8.4
/usr/bin/ld: cannot find -lHSmtl-2.1.3.1-ghc7.8.4
/usr/bin/ld: cannot find -lHStagged-0.7.3-ghc7.8.4
/usr/bin/ld: cannot find -lHStext-1.2.0.4-ghc7.8.4
/usr/bin/ld: cannot find -lHSvector-0.10.12.2-ghc7.8.4
/usr/bin/ld: cannot find -lHSunordered-containers-0.2.5.1-ghc7.8.4
/usr/bin/ld: cannot find -lHSsyb-0.4.4-ghc7.8.4
/usr/bin/ld: cannot find -lHSmtl-2.1.3.1-ghc7.8.4
/usr/bin/ld: cannot find -lHSdlist-0.7.1-ghc7.8.4
/usr/bin/ld: cannot find -lHSattoparsec-0.12.1.3-ghc7.8.4
/usr/bin/ld: cannot find -lHSscientific-0.3.3.7-ghc7.8.4
/usr/bin/ld: cannot find -lHShashable-1.2.3.1-ghc7.8.4
Unfortunately I can verify some of these are present.
me@ubuntu:~/Downloads/IHaskell$ cabal install mtl
Resolving dependencies...
All the requested packages are already installed:
mtl-2.2.1
Use --reinstall if you want to reinstall anyway
ld seems to be more of a C++ error than a Haskell error but I don't know how to deal.
After reading on StackOverflow and posting several issues on Github, I learned that my symlink to cabal was out of date. For some reason it pointed to version 16 even after I downloaded and installed version 22.
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