From ef9c4d81698cc8617b6f3de4f01fac2d6f97f884 Mon Sep 17 00:00:00 2001
From: Marie Ramlow <marie@marie.cologne>
Date: Wed, 30 Sep 2026 16:18:21 +0200
Subject: [PATCH] perfetto: build with '-std=c++20'

abseil-cpp is built with C++20, perfetto must use the same version.

Fixes: https://github.com/NixOS/nixpkgs/issues/568538
---
 pkgs/by-name/pe/perfetto/package.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/by-name/pe/perfetto/package.nix b/pkgs/by-name/pe/perfetto/package.nix
index aa82a2789216..59f26d555ebf 100644
--- a/pkgs/by-name/pe/perfetto/package.nix
+++ b/pkgs/by-name/pe/perfetto/package.nix
@@ -80,6 +80,7 @@ let
   toGnFlags = lib.mapAttrsToList (name: value: "${name}=${toGnValue value}");
 
   commonGnFlags = {
+    extra_cxxflags = "-std=c++20";
     is_debug = false;
     is_system_compiler = true;
     is_clang = stdenv.cc.isClang;