cryptsetup: Allow to build with Python support.

This again is only optional to avoid too much dependencies when bootstrapping
small systems or when constrained to RAM disks of lower size. It is needed for
blivet as well, which will override the option in its dependency list.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

1 files changed, 9 insertions, 3 deletions

diff --git a/pkgs/os-specific/linux/cryptsetup/default.nix b/pkgs/os-specific/linux/cryptsetup/default.nix
index 6d612f8cdbd..0eb4be30284 100644
--- a/pkgs/os-specific/linux/cryptsetup/default.nix
+++ b/pkgs/os-specific/linux/cryptsetup/default.nix
@@ -1,4 +1,8 @@
-{ stdenv, fetchurl, devicemapper, libgcrypt, libuuid, pkgconfig, popt }:
+{ stdenv, fetchurl, devicemapper, libgcrypt, libuuid, pkgconfig, popt
+, enablePython ? false, python ? null
+}:
+
+assert enablePython -> python != null;
 
 stdenv.mkDerivation rec {
   name = "cryptsetup-1.5.1";
@@ -8,9 +12,11 @@ stdenv.mkDerivation rec {
     sha256 = "0dib3nw6ifd7d7hr9k4iyaha3hz0pkzairqa38l3fndkr9w3zlhn";
   };
 
-  configureFlags = "--enable-cryptsetup-reencrypt";
+  configureFlags = [ "--enable-cryptsetup-reencrypt" ]
+                ++ stdenv.lib.optional enablePython "--enable-python";
 
-  buildInputs = [ devicemapper libgcrypt libuuid pkgconfig popt ];
+  buildInputs = [ devicemapper libgcrypt libuuid pkgconfig popt ]
+             ++ stdenv.lib.optional enablePython python;
 
   meta = {
     homepage = http://code.google.com/p/cryptsetup/;