From ecce13ef4460ad63b72b685f8eda9b23d61dae39 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Sat, 26 Jan 2019 12:22:51 -0600
Subject: [PATCH] bison: 3.2.4 -> 3.3

https://lists.gnu.org/archive/html/bison-announce/2019-01/msg00002.html
---
 pkgs/development/tools/parsing/bison/3.x.nix | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/tools/parsing/bison/3.x.nix b/pkgs/development/tools/parsing/bison/3.x.nix
index 3d5f09b7bc3e..72c465b3a72b 100644
--- a/pkgs/development/tools/parsing/bison/3.x.nix
+++ b/pkgs/development/tools/parsing/bison/3.x.nix
@@ -1,15 +1,14 @@
 { stdenv, fetchurl, m4, perl, help2man }:
 
 stdenv.mkDerivation rec {
-  name = "bison-3.2.4";
+  pname = "bison";
+  version = "3.3";
 
   src = fetchurl {
-    url = "mirror://gnu/bison/${name}.tar.gz";
-    sha256 = "16n7xs3sa1rlhs8y8zg4gi2s2kbkz8d69w3xp935wjykk0i3wryb";
+    url = "mirror://gnu/${pname}/${pname}-${version}.tar.gz";
+    sha256 = "1z8fjyn5gmlf97zdq88hpdf2njxg830bhrhylq25dq5dzxzzpspx";
   };
 
-  patches = []; # remove on another rebuild
-
   nativeBuildInputs = [ m4 perl ] ++ stdenv.lib.optional stdenv.isSunOS help2man;
   propagatedBuildInputs = [ m4 ];