From 31e8b2d0699f1a90b25aeb7c39cf1e8561ffa8e4 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Thu, 29 Aug 2019 21:33:10 -0500
Subject: [PATCH 1/2] xbps: 0.56 -> 0.57

---
 pkgs/tools/package-management/xbps/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/package-management/xbps/default.nix b/pkgs/tools/package-management/xbps/default.nix
index 5954ca4959b..f85f7988827 100644
--- a/pkgs/tools/package-management/xbps/default.nix
+++ b/pkgs/tools/package-management/xbps/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "xbps";
-  version = "0.56";
+  version = "0.57";
 
   src = fetchFromGitHub {
     owner = "void-linux";
     repo = "xbps";
     rev = version;
-    sha256 = "0hqvq6fq62l5sgm4fy3zb0ks889d21mqz4f4my3iifs6c9f50na2";
+    sha256 = "1aaa0h265lx85hmcvg7zpg7iiq6dzzlyxqazn1s387ss709i5gxn";
   };
 
   nativeBuildInputs = [ pkgconfig which ];

From 2e808509f01865e86568c107d20c0d4f8fa6ab1e Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Wed, 4 Sep 2019 20:45:18 -0500
Subject: [PATCH 2/2] xbps: fix build w/glibc, disable errors due to unused
 fread result

---
 pkgs/tools/package-management/xbps/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/tools/package-management/xbps/default.nix b/pkgs/tools/package-management/xbps/default.nix
index f85f7988827..f83a1498825 100644
--- a/pkgs/tools/package-management/xbps/default.nix
+++ b/pkgs/tools/package-management/xbps/default.nix
@@ -17,6 +17,8 @@ stdenv.mkDerivation rec {
 
   patches = [ ./cert-paths.patch ];
 
+  NIX_CFLAGS_COMPILE = [ "-Wno-error=unused-result" ];
+
   postPatch = ''
     # fix unprefixed ranlib (needed on cross)
     substituteInPlace lib/Makefile \