[Nix-dev] Building 32bit java on 64bit system

[Vladimír Čunát]

On 10/31/2013 01:51 AM, shacka wrote:
> I don't need to have both in my $PATH, I just need 32bit version to get
> installed in order to run third-party binary that is 32bit.
>
> I'm getting the following error when trying to run the command you provided:
>
>      error: attribute `pkgsi686Linux' in selection path `pkgsi686Linux'
> not found

I don't understand why it says that. The attribute *is* there in current 
master -- it has been there for very long time, and the command itself 
works for me.

> (I must say I'm a little confused with notion of attributes, is there
> any good description describing them available?)

In nixpkgs we don't have just packages, but many other things (e.g. 
functions), as it's written in a full language (called nix). Things in 
there are denoted by these attribute names. They have to be unique, but 
e.g. can "be hierarchical". You can find details in the nix manual 
http://hydra.nixos.org/job/nix/trunk/tarball/latest/download-by-type/doc/manual


Vlada


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