From 021322883bab5377bead38c10b1e049217c4c405 Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Sun, 17 Nov 2019 22:29:44 -0500
Subject: [PATCH] valgrind: Add perl as a native build input

The changes in #67548 broke cross-compilation not for valgrind, but for
software relying on valgrind at build-time.
---
 pkgs/development/tools/analysis/valgrind/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/tools/analysis/valgrind/default.nix b/pkgs/development/tools/analysis/valgrind/default.nix
index b5abff94c796..8e2db5caab1b 100644
--- a/pkgs/development/tools/analysis/valgrind/default.nix
+++ b/pkgs/development/tools/analysis/valgrind/default.nix
@@ -16,6 +16,9 @@ stdenv.mkDerivation rec {
   # Perl is needed for `callgrind_{annotate,control}'.
   buildInputs = [ gdb perl ]  ++ stdenv.lib.optionals (stdenv.isDarwin) [ bootstrap_cmds xnu ];
 
+  # Perl is also a native build input.
+  nativeBuildInputs = [ perl ];
+
   enableParallelBuilding = true;
   separateDebugInfo = stdenv.isLinux;