Add 'nixpkgs/' from commit 'abf060725d7614bd3b9f96764262dfbc2f9c2199'

git-subtree-dir: nixpkgs
git-subtree-mainline: 4e31070265257dc67d120c27e0f75c2344fdfa9a
git-subtree-split: abf060725d7614bd3b9f96764262dfbc2f9c2199

1 files changed, 25 insertions, 0 deletions

diff --git a/nixpkgs/pkgs/stdenv/custom/default.nix b/nixpkgs/pkgs/stdenv/custom/default.nix
new file mode 100644
index 000000000000..e86face95195
--- /dev/null
+++ b/nixpkgs/pkgs/stdenv/custom/default.nix
@@ -0,0 +1,25 @@
+{ lib
+, localSystem, crossSystem, config, overlays
+}:
+
+assert crossSystem == localSystem;
+
+let
+  bootStages = import ../. {
+    inherit lib localSystem crossSystem overlays;
+    # Remove config.replaceStdenv to ensure termination.
+    config = builtins.removeAttrs config [ "replaceStdenv" ];
+  };
+
+in bootStages ++ [
+
+  # Additional stage, built using custom stdenv
+  (vanillaPackages: {
+    inherit config overlays;
+    stdenv =
+      assert vanillaPackages.hostPlatform == localSystem;
+      assert vanillaPackages.targetPlatform == localSystem;
+      config.replaceStdenv { pkgs = vanillaPackages; };
+  })
+
+]