From 281f0f457602b4087cf38d8c3ff15728919fb10f Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Wed, 20 Oct 2021 23:09:30 +0100
Subject: [PATCH] ruby_2_7, ruby_3_0: use latest bison, not outdated bison_3_5

Upstream ported to latest bison starting frun ruby-2.7.
While at it use latest autoconf-2.70 as well.
---
 pkgs/top-level/all-packages.nix | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fc6fa973a14f..29f38e5448ed 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13503,8 +13503,6 @@ with pkgs;
   inherit (callPackage ../development/interpreters/ruby {
     inherit (darwin) libiconv libobjc libunwind;
     inherit (darwin.apple_sdk.frameworks) Foundation;
-    autoreconfHook = buildPackages.autoreconfHook269;
-    bison = buildPackages.bison_3_5;
   })
     ruby_2_7
     ruby_3_0;
@@ -13950,15 +13948,6 @@ with pkgs;
 
   bison = callPackage ../development/tools/parsing/bison { };
 
-  # Ruby fails to build with current bison
-  bison_3_5 = bison.overrideAttrs (oldAttrs: rec {
-    version = "3.5.4";
-    src = fetchurl {
-      url = "mirror://gnu/${oldAttrs.pname}/${oldAttrs.pname}-${version}.tar.gz";
-      sha256 = "0a2cbrqh7mgx2dwf5qm10v68iakv1i0dqh9di4x5aqxsz96ibpf0";
-    };
-  });
-
   bisoncpp = callPackage ../development/tools/parsing/bisonc++ { };
 
   black = with python3Packages; toPythonApplication black;