我試圖用Haskell Stack建立the code from PCPH。但是,我收到有關Cabal未找到happy
的錯誤。我有安裝alex
和happy
雖然(他們在/usr/bin
)。Stack/Cabal找不到快樂
setup-Simple-Cabal-1.22.5.0-ghc-7.10.3: The program 'happy' is required but it
could not be found
-- While building package parconc-examples-0.4.3 using:
這裏就是棧認爲我PATH
是:
$ stack exec bash
$ echo $PATH | tr : '\n'
/home/steshaw/Projects/parconc-examples/.stack-work/install/x86_64-linux/lts-4.2/7.10.3/bin
/home/steshaw/Projects/shelly/dotfiles/.stack/snapshots/x86_64-linux/lts-4.2/7.10.3/bin
/home/steshaw/Projects/shelly/dotfiles/.stack/programs/x86_64-linux/ghc-7.10.3/bin
/home/steshaw/.nix-profile/bin
/home/steshaw/.nix-profile/sbin
/usr/local/sbin
/usr/local/bin
/home/steshaw/Projects/shelly/bin
/usr/local/sbin
/usr/local/bin
/usr/sbin
/usr/bin
/sbin
/bin
/usr/games
/usr/local/games
/snap/bin
下面是從stack path
輸出:
stack-root: /home/steshaw/Projects/shelly/dotfiles/.stack
project-root: /home/steshaw/Projects/parconc-examples
config-location: /home/steshaw/Projects/parconc-examples/stack.yaml
bin-path: /home/steshaw/Projects/shelly/dotfiles/.stack/snapshots/x86_64-linux/lts-4.2/7.10.3/bin:/home/steshaw/Projects/shelly/dotfiles/.stack/programs/x86_64-linux/ghc-7.10.3/bin:/home/steshaw/.nix-profile/bin:/home/steshaw/.nix-profile/sbin:/usr/local/sbin:/usr/local/bin:/home/steshaw/Projects/shelly/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
programs: /home/steshaw/Projects/shelly/dotfiles/.stack/programs/x86_64-linux
compiler-exe: /home/steshaw/Projects/shelly/dotfiles/.stack/programs/x86_64-linux/ghc-7.10.3/bin/ghc
compiler-bin: /home/steshaw/Projects/shelly/dotfiles/.stack/programs/x86_64-linux/ghc-7.10.3/bin
local-bin: /home/steshaw/.local/bin
extra-include-dirs:
extra-library-dirs:
snapshot-pkg-db: /home/steshaw/Projects/shelly/dotfiles/.stack/snapshots/x86_64-linux/lts-4.2/7.10.3/pkgdb
local-pkg-db: /home/steshaw/Projects/parconc-examples/.stack-work/install/x86_64-linux/lts-4.2/7.10.3/pkgdb
global-pkg-db: /home/steshaw/Projects/shelly/dotfiles/.stack/programs/x86_64-linux/ghc-7.10.3/lib/ghc-7.10.3/package.conf.d
ghc-package-path: /home/steshaw/Projects/parconc-examples/.stack-work/install/x86_64-linux/lts-4.2/7.10.3/pkgdb:/home/steshaw/Projects/shelly/dotfiles/.stack/snapshots/x86_64-linux/lts-4.2/7.10.3/pkgdb:/home/steshaw/Projects/shelly/dotfiles/.stack/programs/x86_64-linux/ghc-7.10.3/lib/ghc-7.10.3/package.conf.d
snapshot-install-root: /home/steshaw/Projects/shelly/dotfiles/.stack/snapshots/x86_64-linux/lts-4.2/7.10.3
local-install-root: /home/steshaw/Projects/parconc-examples/.stack-work/install/x86_64-linux/lts-4.2/7.10.3
snapshot-doc-root: /home/steshaw/Projects/shelly/dotfiles/.stack/snapshots/x86_64-linux/lts-4.2/7.10.3/doc
local-doc-root: /home/steshaw/Projects/parconc-examples/.stack-work/install/x86_64-linux/lts-4.2/7.10.3/doc
dist-dir: .stack-work/dist/x86_64-linux/Cabal-1.22.5.0
local-hpc-root: /home/steshaw/Projects/parconc-examples/.stack-work/install/x86_64-linux/lts-4.2/7.10.3/hpc
local-bin-path: /home/steshaw/.local/bin
ghc-paths: /home/steshaw/Projects/shelly/dotfiles/.stack/programs/x86_64-linux
這裏是快樂的版本,堆棧發現我的路徑:
$ stack exec -- happy -V
Happy Version 1.19.5 Copyright (c) 1993-1996 Andy Gill, Simon Marlow (c) 1997-2005 Simon Marlow
Happy is a Yacc for Haskell, and comes with ABSOLUTELY NO WARRANTY.
This program is free software; you can redistribute it and/or modify
it under the terms given in the file 'LICENSE' distributed with
the Happy sources.
我在Ubuntu 16.04.1 LTS(x86_64)上。
你可以給我們'堆棧exec'的輸出echo $ path「'? – epsilonhalbe
該命令不太正常,但讓我試一試 –
我認爲這是不正確的 - 你開始一個bash,因此你從全局和本地bash配置加載的東西。但我檢查了 - 有一個「堆棧路徑」命令,應該列出有趣的東西。 – epsilonhalbe