From 590dac2b3b9e75f82f433f382b6a06856e12d378 Mon Sep 17 00:00:00 2001
From: Anders Kaseorg <andersk@mit.edu>
Date: Mon, 26 Jan 2026 15:44:18 -0800
Subject: [PATCH] gtest: Add optional abseil-cpp support

or-tools 9.15 will require gtest built with abseil-cpp, but abseil-cpp
itself requires gtest built without abseil-cpp to avoid infinite
recursion, so make it configurable (defaulting to false to reduce
rebuilds).

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
---
 pkgs/by-name/gt/gtest/package.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/gt/gtest/package.nix b/pkgs/by-name/gt/gtest/package.nix
index c31700e6e8a2..f49c4439ddfd 100644
--- a/pkgs/by-name/gt/gtest/package.nix
+++ b/pkgs/by-name/gt/gtest/package.nix
@@ -4,6 +4,9 @@
   fetchFromGitHub,
   cmake,
   ninja,
+  withAbseil ? false,
+  abseil-cpp,
+  re2,
   # Enable C++17 support
   #     https://github.com/google/googletest/issues/3081
   # Projects that require a higher standard can override this package.
@@ -47,6 +50,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     cmake
     ninja
+  ]
+  ++ lib.optionals withAbseil [
+    abseil-cpp
+    re2
   ];
 
   cmakeFlags = [
@@ -54,7 +61,8 @@ stdenv.mkDerivation rec {
   ]
   ++ lib.optionals (cxx_standard != null) [
     "-DCMAKE_CXX_STANDARD=${cxx_standard}"
-  ];
+  ]
+  ++ lib.optional withAbseil "-DGTEST_HAS_ABSL=ON";
 
   meta = {
     description = "Google's framework for writing C++ tests";