From 5a60ff8315b67c0d95540329deb207b75c58cfbd Mon Sep 17 00:00:00 2001
From: Randy Eckenrode <randy@largeandhighquality.com>
Date: Sat, 7 Sep 2024 22:01:39 -0400
Subject: [PATCH] libxml2: build with the bootstrap stdenv on Darwin

Using the bootstrap stdenv avoids an infinite recursion from xcbuild
depending on libxml2 depending on xcrun from xcbuild, which is
propagated by the non-bootstrap stdenv.
---
 pkgs/top-level/all-packages.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4f3b647767f8..e822d46ec9e1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -21800,6 +21800,13 @@ with pkgs;
 
   libxml2 = callPackage ../development/libraries/libxml2 {
     python = python3;
+    stdenv =
+      # libxml2 is a dependency of xcbuild. Avoid an infinite recursion by using a bootstrap stdenv
+      # that does not propagate xcrun.
+      if stdenv.hostPlatform.isDarwin then
+        darwin.bootstrapStdenv
+      else
+        stdenv;
   };
 
   libxml2Python = let