From 5d2f5e374f405953998286be66a0caf88aa8ab1c Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Sat, 29 Jul 2017 19:26:59 +0200
Subject: [PATCH] verilator: build with current flex

---
 pkgs/applications/science/electronics/verilator/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/science/electronics/verilator/default.nix b/pkgs/applications/science/electronics/verilator/default.nix
index ed4a430198a..31c2d4f6475 100644
--- a/pkgs/applications/science/electronics/verilator/default.nix
+++ b/pkgs/applications/science/electronics/verilator/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, perl, flex_2_6_1, bison }:
+{ stdenv, fetchurl, perl, flex, bison }:
 
 stdenv.mkDerivation rec {
   name    = "verilator-${version}";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   enableParallelBuilding = true;
-  buildInputs = [ perl flex_2_6_1 bison ];
+  buildInputs = [ perl flex bison ];
 
   postInstall = ''
     sed -i -e '3a\#!/usr/bin/env perl' -e '1,3d' $out/bin/{verilator,verilator_coverage,verilator_profcfunc}