From a6151294db89c8409965eb3e3d70ccced60aabed Mon Sep 17 00:00:00 2001
From: Luflosi <luflosi@luflosi.de>
Date: Tue, 8 Nov 2022 10:49:14 +0100
Subject: [PATCH] yosys: 0.22 -> 0.23

https://github.com/YosysHQ/yosys/releases/tag/yosys-0.23
The protobuf backend was removed in https://github.com/YosysHQ/yosys/pull/3508.
---
 pkgs/development/compilers/yosys/default.nix | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/pkgs/development/compilers/yosys/default.nix b/pkgs/development/compilers/yosys/default.nix
index 34c76b48384e..62bd8b15d1ad 100644
--- a/pkgs/development/compilers/yosys/default.nix
+++ b/pkgs/development/compilers/yosys/default.nix
@@ -8,7 +8,6 @@
 , libffi
 , makeWrapper
 , pkg-config
-, protobuf
 , python3
 , readline
 , symlinkJoin
@@ -72,13 +71,13 @@ let
 
 in stdenv.mkDerivation rec {
   pname   = "yosys";
-  version = "0.22";
+  version = "0.23";
 
   src = fetchFromGitHub {
     owner = "YosysHQ";
     repo  = "yosys";
     rev   = "${pname}-${version}";
-    hash  = "sha256-us4GiulqkzcwD2iuNXB5eTd3iqgUdvj9Nd2p/9TJerQ=";
+    hash  = "sha256-mOakdXhSij8k4Eo7RwpKjd59IkNjw31NNFDJtL6Adgo=";
   };
 
   enableParallelBuilding = true;
@@ -87,14 +86,13 @@ in stdenv.mkDerivation rec {
     tcl
     readline
     libffi
-    protobuf
     zlib
     (python3.withPackages (pp: with pp; [
       click
     ]))
   ];
 
-  makeFlags = [ "ENABLE_PROTOBUF=1" "PREFIX=${placeholder "out"}"];
+  makeFlags = [ "PREFIX=${placeholder "out"}"];
 
   patches = [
     ./plugin-search-dirs.patch
@@ -116,9 +114,6 @@ in stdenv.mkDerivation rec {
     make config-${if stdenv.cc.isClang or false then "clang" else "gcc"}
     echo 'ABCEXTERNAL = ${abc-verifier}/bin/abc' >> Makefile.conf
 
-    # we have to do this ourselves for some reason...
-    (cd misc && ${protobuf}/bin/protoc --cpp_out ../backends/protobuf/ ./yosys.proto)
-
     if ! grep -q "ABCREV = ${shortAbcRev}" Makefile; then
       echo "ERROR: yosys isn't compatible with the provided abc (${shortAbcRev}), failing."
       exit 1