我正尝试在ubuntu上使用nix,并使用XMonad作为我的窗口管理器。我在一台使用nixOS的主机上运行得很好,但我还有另一台设备还没有为nixOS做好准备。在Ubuntu之上的nix在那里工作得很好,但是xmonad找不到有贡献的库。
安装了相关的软件包:
$ nix-env -q | grep xmonad
xmonad-0.13
xmonad-contrib-0.13
xmonad-extras-0.12.1但是重新编译我的xmonad.hs,它找不到contrib库:
$ xmonad --recompile
Error detected while loading xmonad configuration file: /home/martyn/.xmonad/xmonad.hs
xmonad.hs:32:1: error:
Failed to load interface for ‘XMonad.Layout.NoBorders’
Use -v to see a list of the files searched for.
...
Please check the file for errors.安装了相关文件:
$ ls /nix/store/*xmonad-contrib*/lib/**/NoBorders*
/nix/store/4xrrwsm6362xkn9jn1b17kd891kv9z3a-xmonad-contrib-0.13/lib/ghc-8.0.2/xmonad-contrib-0.13/XMonad/Actions/NoBorders.dyn_hi
/nix/store/4xrrwsm6362xkn9jn1b17kd891kv9z3a-xmonad-contrib-0.13/lib/ghc-8.0.2/xmonad-contrib-0.13/XMonad/Actions/NoBorders.hi
/nix/store/4xrrwsm6362xkn9jn1b17kd891kv9z3a-xmonad-contrib-0.13/lib/ghc-8.0.2/xmonad-contrib-0.13/XMonad/Layout/NoBorders.dyn_hi
/nix/store/4xrrwsm6362xkn9jn1b17kd891kv9z3a-xmonad-contrib-0.13/lib/ghc-8.0.2/xmonad-contrib-0.13/XMonad/Layout/NoBorders.hi通过将xmonad-contrib添加到我的nixpkgs config.nix中,我已经将这些库添加到ghc包注册表中:
$ cat ~/.config/nixpkgs/config.nix
with (import <nixpkgs> {});
{
packageOverrides = pkgs: with pkgs; {
myHaskellEnv = pkgs.haskellPackages.ghcWithPackages (haskellPackages: with haskellPackages; [ xmonad-contrib ]);
};
}
$ nix-env -iA nixpkgs.myHaskellEnv
$ ghc-pkg list | grep xmonad
xmonad-0.13
xmonad-contrib-0.13
$这样,这个ghc(i)就能很好地工作:
$ /nix/store/7mkxsq7ydqcgnjbs59v1v47wfxpwrav5-ghc-8.0.2-with-packages/bin/ghc ~/.xmonad/xmonad.hs
[1 of 1] Compiling Main ( /home/martyn/.xmonad/xmonad.hs, /home/martyn/.xmonad/xmonad.o ) [flags changed]
Linking /home/martyn/.xmonad/xmonad ...但即使是该目录中的xmonad版本也无法找到库:
$ /nix/store/7mkxsq7ydqcgnjbs59v1v47wfxpwrav5-ghc-8.0.2-with-packages/bin/xmonad --recompile
Error detected while loading xmonad configuration file: /home/martyn/.xmonad/xmonad.hs
xmonad.hs:32:1: error:
Failed to load interface for ‘XMonad.Layout.NoBorders’
Use -v to see a list of the files searched for.我可以像上面那样使用ghc进行编译,并手动将输出移到~/.xmonad/xmonad-x86_64-linux,然后运行它来解决这个问题。但这有点老生常谈,当然不应该是必要的?
发布于 2017-06-28 02:51:19
一位朋友在线下为我解决了这个问题,我在这里为其他有同样问题的人重现了这个问题。
本质上,我们需要使用xmonad和包,并列出包,而不是ghc和包。
为了实现这一点,我们提供了我们自己的xmonad,从~/.nixpkgs/config.nix中引用
{
packageOverrides = pkgs_: with pkgs_; {
xmonad = import ./xmonad { nixpkgs = pkgs_; };
};
}并这样填写~/.nixpkgs/xmonad/default.nix:
{ nixpkgs ? import <nixpkgs> {} }:
nixpkgs.xmonad-with-packages.override {
packages = hPkgs: with hPkgs; [ xmonad-contrib ];
}它安装了一个xmonad,它知道在哪里可以找到它的库,一切都很好!
https://stackoverflow.com/questions/44778404
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