* Apply a patch to propagate the --force flag in the legacy drbdadm to

  drbdsetup.  Otherwise "drbdadm primary --force" won't work as
  expected (the kernel will say "State change failed: Need access to
  UpToDate data").

svn path=/nixpkgs/trunk/; revision=30195

1 files changed, 4 insertions, 2 deletions

diff --git a/pkgs/os-specific/linux/drbd/default.nix b/pkgs/os-specific/linux/drbd/default.nix
index 40821a6e489a2..7129b685eb907 100644
--- a/pkgs/os-specific/linux/drbd/default.nix
+++ b/pkgs/os-specific/linux/drbd/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, flex, udev }:
+{ stdenv, fetchurl, flex, udev, perl }:
 
 assert stdenv.isLinux;
 
@@ -10,7 +10,9 @@ stdenv.mkDerivation rec {
     sha256 = "096njwxjpwvnl259gxq6cr6n0r6ba0h5aryvgk05hqi95jx927vg";
   };
 
-  buildInputs = [ flex ];
+  patches = [ ./pass-force.patch ];
+
+  buildInputs = [ flex perl ];
 
   configureFlags = "--without-distro --without-pacemaker --localstatedir=/var --sysconfdir=/etc";