From d46cfd2ff087816697f46d69f9f795ff878301c5 Mon Sep 17 00:00:00 2001
From: volth <volth@webmaster.ms>
Date: Sat, 11 Aug 2018 13:58:06 +0000
Subject: [PATCH] libvirt: fix dlopen("libjansson.so.4")

---
 pkgs/development/libraries/libvirt/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/libvirt/default.nix b/pkgs/development/libraries/libvirt/default.nix
index 63f11daad28..14db7d6a1c4 100644
--- a/pkgs/development/libraries/libvirt/default.nix
+++ b/pkgs/development/libraries/libvirt/default.nix
@@ -59,6 +59,10 @@ in stdenv.mkDerivation rec {
     substituteInPlace src/lxc/lxc_conf.c \
       --replace 'lxc_path,' '"/run/libvirt/nix-emulators/libvirt_lxc",'
 
+    [ -f ${jansson}/lib/libjansson.so.4 ] || exit 1
+    substituteInPlace src/util/virjsoncompat.c \
+      --replace '"libjansson.so.4"' '"${jansson}/lib/libjansson.so.4"'
+
     patchShebangs . # fixes /usr/bin/python references
   '';