Build Nix with the GC disabled in hydra

Make sure that it still compiles as it's easy to accidentally break one
of the `#if` guarded clauses

1 files changed, 2 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
index 5127ee2a3..4ba3f04b0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -420,6 +420,8 @@
         buildCross = nixpkgs.lib.genAttrs crossSystems (crossSystem:
           nixpkgs.lib.genAttrs ["x86_64-linux"] (system: self.packages.${system}."nix-${crossSystem}"));
 
+        buildNoGc = nixpkgs.lib.genAttrs systems (system: self.packages.${system}.nix.overrideAttrs (a: { configureFlags = (a.configureFlags or []) ++ ["--enable-gc=no"];}));
+
         # Perl bindings for various platforms.
         perlBindings = nixpkgs.lib.genAttrs systems (system: self.packages.${system}.nix.perl-bindings);