From 36834a04957af8ce830e7994eb00080bcc5a2f90 Mon Sep 17 00:00:00 2001
From: volth <volth@webmaster.ms>
Date: Thu, 11 Oct 2018 22:45:44 +0000
Subject: [PATCH] perlPackages.LWP: fix cross-compilation

---
 pkgs/top-level/perl-packages.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index ff7d672da36..0034db8864c 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -8854,6 +8854,10 @@ let
       sha256 = "dda2578d7b32152c4afce834761a61d117de286c705a9f7972c7ac6032ca5953";
     };
     propagatedBuildInputs = [ FileListing HTMLParser HTTPCookies HTTPDaemon HTTPNegotiate NetHTTP TryTiny WWWRobotRules ];
+    # support cross-compilation by avoiding using `has_module` which does not work in miniperl (it requires B native module)
+    postPatch = stdenv.lib.optionalString (stdenv.buildPlatform != stdenv.hostPlatform) ''
+      substituteInPlace Makefile.PL --replace 'if has_module' 'if 0; #'
+    '';
     meta = with stdenv.lib; {
       description = "The World-Wide Web library for Perl";
       license = with licenses; [ artistic1 gpl1Plus ];