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John Ericson 5eaea6cee0 cross stdenv: let build package's build deps resolve to native packages

This fixes the "sliding window" principle:
  0. Run packages:       build = native;  host = foreign; target = foreign;
  1. Build packages:     build = native;  host = native;  target = foreign;
  2. Vanilla packages:   build = native;  host = native;  target = native;
  3. Vanilla packages:   build = native;  host = native;  target = native;
  n+3. ...

Each stage's build dependencies are resolved against the previous stage,
and the "foreigns" are shifted accordingly. Vanilla packages alone are
built against themsevles, since there are no more "foreign"s to shift away.

Before, build packages' build dependencies were resolved against
themselves:
  0. Run packages:       build = native;  host = foreign; target = foreign;
  1. Build packages:     build = native;  host = native;  target = foreign;
  2. Build packages:     build = native;  host = native;  target = foreign;
  n+2. ...

This is wrong because that principle is violated by the target
platform staying foreign.

This will change the hashes of many build packages and run packages, but
that is OK. This is an unavoidable cost of fixing cross compiling.

The cross compilation docs have been updated to reflect this fix.

2017-02-05 12:01:53 -05:00

.github

CONTRIBUTING.md: switch to a link that actually works

2016-11-24 10:01:16 +01:00

doc

cross stdenv: let build package's build deps resolve to native packages

2017-02-05 12:01:53 -05:00

lib

pidgin-xmpp-receipts: init at 0.7

2017-01-31 09:33:30 +01:00

maintainers

Add a script to get failures for hydra eval /cc @globin

2017-01-28 22:29:15 +01:00

nixos

Merge #22309 : vim: allow building with gtk3

2017-01-31 09:41:24 +01:00

pkgs

cross stdenv: let build package's build deps resolve to native packages

2017-02-05 12:01:53 -05:00

.editorconfig

Do not trim trailing whitespace in patch files

2017-01-12 23:44:26 +01:00

.gitignore

kde5: consolidate packages into desktops/kde-5

2016-03-01 10:36:00 -06:00

.mention-bot

include me in mention bot for darwin

2016-12-09 21:19:32 +01:00

.travis.yml

travis: also evaluate nixpkgs-unstable

2016-12-15 22:43:14 +01:00

.version

unstable is now 17.03

2016-09-02 08:47:21 +02:00

COPYING

Time passing by

2017-01-01 21:35:52 +01:00

default.nix

Separate fix-point from config importing hacks and other impurities

2016-07-14 14:33:23 -07:00

README.md

README: Update to 16.09

2016-10-04 17:45:24 +02:00

README.md

Nixpkgs is a collection of packages for the Nix package manager. It is periodically built and tested by the hydra build daemon as so-called channels. To get channel information via git, add nixpkgs-channels as a remote:

% git remote add channels git://github.com/NixOS/nixpkgs-channels.git

For stability and maximum binary package support, it is recommended to maintain custom changes on top of one of the channels, e.g. nixos-16.09 for the latest release and nixos-unstable for the latest successful build of master:

% git remote update channels
% git rebase channels/nixos-16.09

For pull-requests, please rebase onto nixpkgs master.

NixOS linux distribution source code is located inside nixos/ folder.

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