From 7de53a4d66c71d9b5f22662f7bd473d055aa1c1f Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Tue, 6 Sep 2022 16:41:58 +0200
Subject: Force disable pkg-config for libsodum-sys and libzstd-sys

---
 nix/compile.nix | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/nix/compile.nix b/nix/compile.nix
index 5707ed41..450b6398 100644
--- a/nix/compile.nix
+++ b/nix/compile.nix
@@ -118,6 +118,10 @@ let
      But we want to ship these additional features when we release Garage.
      In the end, we chose to exclude all features from debug builds while putting (all of) them in the release builds.
      Currently, the only feature of Garage is kubernetes-discovery from the garage_rpc crate.
+
+     [5] We don't want libsodium-sys and zstd-sys to try to use pkgconfig to build against a system library.
+     However the features to do so get activated for some reason (due to a bug in cargo2nix?),
+     so disable them manually here.
     */
     (pkgs.rustBuilder.rustLib.makeOverride {
       name = "garage";
@@ -183,6 +187,20 @@ let
       name = "k2v-client";
       overrideAttrs = drv: { /* [1] */ setBuildEnv = (buildEnv drv); };
     })
+
+    (pkgs.rustBuilder.rustLib.makeOverride {
+      name = "libsodium-sys";
+      overrideArgs = old: {
+        features = [ ]; /* [5] */
+      };
+    })
+
+    (pkgs.rustBuilder.rustLib.makeOverride {
+      name = "zstd-sys";
+      overrideArgs = old: {
+        features = [ ]; /* [5] */
+      };
+    })
   ];
 
   packageFun = import ../Cargo.nix;
-- 
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