From c7ebdc8123d4765d3543a9345cb448ada81eac6d Mon Sep 17 00:00:00 2001
From: yangm2 <yangm2@users.noreply.github.com>
Date: Tue, 12 Jan 2021 20:15:10 -0800
Subject: [PATCH] verilator: 4.100 -> 4.108

Co-authored-by: Austin Seipp <aseipp@pobox.com>
Signed-off-by: Austin Seipp <aseipp@pobox.com>
---
 .../science/electronics/verilator/default.nix     | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/pkgs/applications/science/electronics/verilator/default.nix b/pkgs/applications/science/electronics/verilator/default.nix
index 27423e753080..fe988642c01e 100644
--- a/pkgs/applications/science/electronics/verilator/default.nix
+++ b/pkgs/applications/science/electronics/verilator/default.nix
@@ -1,24 +1,31 @@
 { lib, stdenv, fetchurl
-, perl, flex, bison
+, perl, flex, bison, python3
 }:
 
 stdenv.mkDerivation rec {
   pname = "verilator";
-  version = "4.100";
+  version = "4.108";
 
   src = fetchurl {
     url    = "https://www.veripool.org/ftp/${pname}-${version}.tgz";
-    sha256 = "0vg1gk1hqlnz74gfpf57588758myxvhqzi37yl4vqjcq40r83nr2";
+    sha256 = "00i7am41w9v4smhl64z7s95wdb55f684y89mc0hbc07j1ggc33lf";
   };
 
   enableParallelBuilding = true;
   buildInputs = [ perl ];
-  nativeBuildInputs = [ flex bison ];
+  nativeBuildInputs = [ flex bison python3 ];
 
   # these tests need some interpreter paths patched early on...
+  # see https://github.com/NixOS/nix/issues/1205
   doCheck = false;
   checkTarget = "test";
 
+  postPatch = ''
+    patchShebangs \
+      src/flexfix \
+      src/vlcovgen
+  '';
+
   meta = with lib; {
     description = "Fast and robust (System)Verilog simulator/compiler";
     homepage    = "https://www.veripool.org/wiki/verilator";