python: add python.pythonOnBuildForHost

1 files changed, 5 insertions, 2 deletions

diff --git a/pkgs/development/interpreters/python/passthrufun.nix b/pkgs/development/interpreters/python/passthrufun.nix
index 867027e3841c9..6cb906be0a51e 100644
--- a/pkgs/development/interpreters/python/passthrufun.nix
+++ b/pkgs/development/interpreters/python/passthrufun.nix
@@ -67,6 +67,8 @@
       overrides = packageOverrides;
       python = self;
     });
+  pythonOnBuildForHost_overridden =
+    pythonOnBuildForHost.override { inherit packageOverrides; self = pythonOnBuildForHost_overridden; };
 in rec {
     isPy27 = pythonVersion == "2.7";
     isPy37 = pythonVersion == "3.7";
@@ -89,9 +91,10 @@ in rec {
     pythonAtLeast = lib.versionAtLeast pythonVersion;
     pythonOlder = lib.versionOlder pythonVersion;
     inherit hasDistutilsCxxPatch;
-    # TODO: rename to pythonOnBuild
+    # TODO: deprecate
     # Not done immediately because its likely used outside Nixpkgs.
-    pythonForBuild = pythonOnBuildForHost.override { inherit packageOverrides; self = pythonForBuild; };
+    pythonForBuild = pythonOnBuildForHost_overridden;
+    pythonOnBuildForHost = pythonOnBuildForHost_overridden;
 
     tests = callPackage ./tests.nix {
       python = self;