From 183b4ff83345175ab5c0a45fd054d8b14ecb1a7b Mon Sep 17 00:00:00 2001
From: Luna Nova <git@lunnova.dev>
Date: Wed, 26 Oct 2022 20:00:47 -0700
Subject: [PATCH] antlr4_x.runtime.cpp: fix build error due to sourceRoot
 missing source prefix

Fixes https://github.com/NixOS/nixpkgs/issues/197985

Patch from @NickCao https://github.com/NixOS/nixpkgs/issues/197985#issuecomment-1292843789
---
 pkgs/development/tools/parsing/antlr/4.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/tools/parsing/antlr/4.nix b/pkgs/development/tools/parsing/antlr/4.nix
index 85938153862c..8753bb834de5 100644
--- a/pkgs/development/tools/parsing/antlr/4.nix
+++ b/pkgs/development/tools/parsing/antlr/4.nix
@@ -77,7 +77,7 @@ let
         pname = "antlr-runtime-cpp";
         inherit version;
         src = source;
-        sourceRoot = "runtime/Cpp";
+        sourceRoot = "source/runtime/Cpp";
 
         outputs = [ "out" "dev" "doc" ];