From f371dcaa4e7e8769c66164006247016cf274dd67 Mon Sep 17 00:00:00 2001
From: Michael Davis <mcarsondavis@gmail.com>
Date: Mon, 7 Oct 2024 10:25:08 -0400
Subject: [PATCH] flake: Include --cfg tokio_unstable in Rust flags

The flake sets `RUSTFLAGS` and that overwrites the setting in
`.cargo/config.toml`. We need to add the `--cfg tokio_unstable` flag to
enable integration tests to run when called from the devShell.
---
 flake.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index c7e4fdce5..aabb6c70c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -114,7 +114,7 @@
         if pkgs.stdenv.isLinux
         then pkgs.stdenv
         else pkgs.clangStdenv;
-      rustFlagsEnv = pkgs.lib.optionalString stdenv.isLinux "-C link-arg=-fuse-ld=lld -C target-cpu=native -Clink-arg=-Wl,--no-rosegment";
+      rustFlagsEnv = pkgs.lib.optionalString stdenv.isLinux "-C link-arg=-fuse-ld=lld -C target-cpu=native -Clink-arg=-Wl,--no-rosegment --cfg tokio_unstable";
       rustToolchain = pkgs.pkgsBuildHost.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
       craneLibMSRV = (crane.mkLib pkgs).overrideToolchain rustToolchain;
       craneLibStable = (crane.mkLib pkgs).overrideToolchain pkgs.pkgsBuildHost.rust-bin.stable.latest.default;