From 136f528bbb67d69d4c660685236640c344808360 Mon Sep 17 00:00:00 2001
From: Ben Wolsieffer <benwolsieffer@gmail.com>
Date: Thu, 15 Aug 2019 22:38:20 -0400
Subject: [PATCH] perlPackages.FCGI: fix cross build

---
 pkgs/top-level/perl-packages.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 9ff9045600be..193becfc6345 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -6196,6 +6196,9 @@ let
       url = mirror://cpan/authors/id/E/ET/ETHER/FCGI-0.78.tar.gz;
       sha256 = "1cxavhzg4gyw4gl9kirpbdimjr8gk1rjc3pqs3xrnh1gjybld5xa";
     };
+    postPatch = stdenv.lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
+      sed -i '/use IO::File/d' Makefile.PL
+    '';
   };
 
   FCGIClient = buildPerlModule {