From 5e496546441d15060a841b8e1e9e4435a9bd519f Mon Sep 17 00:00:00 2001
From: Randy Eckenrode <randy@largeandhighquality.com>
Date: Wed, 10 Jul 2024 23:48:28 -0400
Subject: [PATCH] rav1e: work around build failure with Rust 1.79

---
 pkgs/by-name/ra/rav1e/package.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/by-name/ra/rav1e/package.nix b/pkgs/by-name/ra/rav1e/package.nix
index b90dd2d56a61..2c8f99ef4cac 100644
--- a/pkgs/by-name/ra/rav1e/package.nix
+++ b/pkgs/by-name/ra/rav1e/package.nix
@@ -45,6 +45,8 @@ rustPlatform.buildRustPackage rec {
   # and linking it with cctools ld64.
   postPatch = lib.optionalString (stdenv.isDarwin && stdenv.isx86_64) ''
     substituteInPlace build.rs --replace-fail '.arg("-x")' '.arg("-S")'
+    # Thin LTO doesn’t appear to work with Rust 1.79. rav1e fail to build when building fern.
+    substituteInPlace Cargo.toml --replace-fail 'lto = "thin"' 'lto = "fat"'
   '';
 
   checkType = "debug";