From 738cc1a199d941d8f333529324c6cb0b2bc2920f Mon Sep 17 00:00:00 2001
From: "Alexander V. Nikolaev" <avnick@gmail.com>
Date: Tue, 14 Oct 2025 17:53:02 +0300
Subject: [PATCH] perl: Fix bootstrap loop in case of cross-compilation

Signed-off-by: Alexander V. Nikolaev <avn@avnik.info>
---
 pkgs/development/interpreters/perl/interpreter.nix | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/interpreters/perl/interpreter.nix b/pkgs/development/interpreters/perl/interpreter.nix
index 0de0d9c6cdb7..9255a3d6d9fb 100644
--- a/pkgs/development/interpreters/perl/interpreter.nix
+++ b/pkgs/development/interpreters/perl/interpreter.nix
@@ -166,10 +166,14 @@ stdenv.mkDerivation (
     configureScript = lib.optionalString (!crossCompiling) "${stdenv.shell} ./Configure";
 
     # !canExecute cross uses miniperl which doesn't have this
-    postConfigure = lib.optionalString (!crossCompiling && stdenv.cc.targetPrefix != "") ''
-      substituteInPlace Makefile \
-        --replace-fail "AR = ar" "AR = ${stdenv.cc.targetPrefix}ar"
-    '';
+    postConfigure =
+      lib.optionalString (!crossCompiling && stdenv.cc.targetPrefix != "") ''
+        substituteInPlace Makefile \
+          --replace-fail "AR = ar" "AR = ${stdenv.cc.targetPrefix}ar"
+      ''
+      + lib.optionalString crossCompiling ''
+        substituteInPlace miniperl_top --replace-fail '-I$top/lib' '-I$top/cpan/JSON-PP/lib -I$top/cpan/CPAN-Meta-YAML/lib -I$top/lib'
+      '';
 
     dontAddStaticConfigureFlags = true;