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-rw-r--r--pkgs/development/interpreters/python/cpython/default.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkgs/development/interpreters/python/cpython/default.nix b/pkgs/development/interpreters/python/cpython/default.nix
index 07f8a7d3c1b7..d469032e13b2 100644
--- a/pkgs/development/interpreters/python/cpython/default.nix
+++ b/pkgs/development/interpreters/python/cpython/default.nix
@@ -377,6 +377,9 @@ in with passthru; stdenv.mkDerivation {
   '' + optionalString stdenv.isDarwin ''
     # Override the auto-detection in setup.py, which assumes a universal build
     export PYTHON_DECIMAL_WITH_MACHINE=${if stdenv.isAarch64 then "uint128" else "x64"}
+  '' + optionalString (stdenv.isDarwin && x11Support && pythonAtLeast "3.11") ''
+    export TCLTK_LIBS="-L${tcl}/lib -L${tk}/lib -l${tcl.libPrefix} -l${tk.libPrefix}"
+    export TCLTK_CFLAGS="-I${tcl}/include -I${tk}/include"
   '' + optionalString (isPy3k && pythonOlder "3.7") ''
     # Determinism: The interpreter is patched to write null timestamps when compiling Python files
     #   so Python doesn't try to update the bytecode when seeing frozen timestamps in Nix's store.