From 8ee65f821acf1853024e36722fe3cdcaa7b16b29 Mon Sep 17 00:00:00 2001
From: Aaron Jheng <wentworth@outlook.com>
Date: Tue, 14 Oct 2025 14:43:46 +0800
Subject: [PATCH] antlr4_11.runtime.cpp: fix build

---
 .../antlr/4.11.runtime.cpp.cmake.patch        | 20 +++++++++++++++++++
 pkgs/development/tools/parsing/antlr/4.nix    |  3 +++
 2 files changed, 23 insertions(+)
 create mode 100644 pkgs/development/tools/parsing/antlr/4.11.runtime.cpp.cmake.patch

diff --git a/pkgs/development/tools/parsing/antlr/4.11.runtime.cpp.cmake.patch b/pkgs/development/tools/parsing/antlr/4.11.runtime.cpp.cmake.patch
new file mode 100644
index 000000000000..6c40a1bf9633
--- /dev/null
+++ b/pkgs/development/tools/parsing/antlr/4.11.runtime.cpp.cmake.patch
@@ -0,0 +1,20 @@
+diff --git a/runtime/Cpp/CMakeLists.txt b/runtime/Cpp/CMakeLists.txt
+index df621b11d..c20b92170 100644
+--- a/runtime/Cpp/CMakeLists.txt
++++ b/runtime/Cpp/CMakeLists.txt
+@@ -39,15 +39,10 @@ project(LIBANTLR4)
+ if(CMAKE_VERSION VERSION_EQUAL "3.0.0" OR
+    CMAKE_VERSION VERSION_GREATER "3.0.0")
+   CMAKE_POLICY(SET CMP0026 NEW)
+-  CMAKE_POLICY(SET CMP0054 OLD)
+-  CMAKE_POLICY(SET CMP0045 OLD)
+-  CMAKE_POLICY(SET CMP0042 OLD)
+ endif()
+ 
+ if(CMAKE_VERSION VERSION_EQUAL "3.3.0" OR
+    CMAKE_VERSION VERSION_GREATER "3.3.0")
+-  CMAKE_POLICY(SET CMP0059 OLD)
+-  CMAKE_POLICY(SET CMP0054 OLD)
+ endif()
+ 
+ if(APPLE)
diff --git a/pkgs/development/tools/parsing/antlr/4.nix b/pkgs/development/tools/parsing/antlr/4.nix
index a3519c641534..6398c8eed341 100644
--- a/pkgs/development/tools/parsing/antlr/4.nix
+++ b/pkgs/development/tools/parsing/antlr/4.nix
@@ -172,6 +172,9 @@ in
         # not available in a sandboxed build.
         (lib.cmakeBool "ANTLR_BUILD_CPP_TESTS" false)
       ];
+      extraPatches = [
+        ./4.11.runtime.cpp.cmake.patch
+      ];
     }).antlr;
 
   antlr4_10 =