pkgs/test/top-level/default.nix

   1 { lib, pkgs, ... }:
   2 let
   3   nixpkgsFun = import ../../top-level;
   4 in
   5 lib.recurseIntoAttrs {
   6   platformEquality =
   7     let
   8       configsLocal = [
   9         # crossSystem is implicitly set to localSystem.
  10         {
  11           localSystem = { system = "x86_64-linux"; };
  12         }
  13         {
  14           localSystem = { system = "aarch64-linux"; };
  15           crossSystem = null;
  16         }
  17         # Both systems explicitly set to the same string.
  18         {
  19           localSystem = { system = "x86_64-linux"; };
  20           crossSystem = { system = "x86_64-linux"; };
  21         }
  22         # Vendor and ABI inferred from system double.
  23         {
  24           localSystem = { system = "aarch64-linux"; };
  25           crossSystem = { config = "aarch64-unknown-linux-gnu"; };
  26         }
  27       ];
  28       configsCross = [
  29         # GNU is inferred from double, but config explicitly requests musl.
  30         {
  31           localSystem = { system = "aarch64-linux"; };
  32           crossSystem = { config = "aarch64-unknown-linux-musl"; };
  33         }
  34         # Cross-compile from AArch64 to x86-64.
  35         {
  36           localSystem = { system = "aarch64-linux"; };
  37           crossSystem = { system = "x86_64-unknown-linux-gnu"; };
  38         }
  39       ];
  40
  41       pkgsLocal = map nixpkgsFun configsLocal;
  42       pkgsCross = map nixpkgsFun configsCross;
  43     in
  44     assert lib.all (p: p.buildPlatform == p.hostPlatform) pkgsLocal;
  45     assert lib.all (p: p.buildPlatform != p.hostPlatform) pkgsCross;
  46     pkgs.emptyFile;
  47 }