ipxe: 20141124 -> 20160831 (#18938)

HTTPS support is enabled

pkgs/tools/misc/ipxe/default.nix

@@ -1,23 +1,21 @@
-{ stdenv, fetchgit, perl, cdrkit, syslinux }:
+{ stdenv, fetchgit, perl, cdrkit, syslinux, xz, openssl }:
 
 let
-  date = "20141124";
-  rev = "5cbdc41778622c07429e00f5aee383b575532bf0";
+  date = "20160831";
+  rev = "827dd1bfee67daa683935ce65316f7e0f057fe1c";
 in
 
 stdenv.mkDerivation {
   name = "ipxe-${date}-${builtins.substring 0 7 rev}";
 
-  buildInputs = [ perl cdrkit syslinux ];
+  buildInputs = [ perl cdrkit syslinux xz openssl ];
 
   src = fetchgit {
     url = git://git.ipxe.org/ipxe.git;
-    sha256 = "0wiy3kag6x8a2a71pc9za9izmac8gdz90vaqp2mwgih6p2lz01zq";
+    sha256 = "11w8b0vln3skfn8r1cvzngslz12njdkwmnacyq3qffb96k2dn2ww";
     inherit rev;
   };
 
-  preConfigure = "cd src";
-
   # not possible due to assembler code
   hardeningDisable = [ "pic" "stackprotector" ];
 
@@ -28,9 +26,15 @@ stdenv.mkDerivation {
       "ISOLINUX_BIN_LIST=${syslinux}/share/syslinux/isolinux.bin"
     ];
 
-  installPhase =
-    ''
-      mkdir $out
+
+  configurePhase = ''
+    echo "#define  DOWNLOAD_PROTO_HTTPS" >> src/config/general.h
+  '';
+
+  preBuild = "cd src";
+
+  installPhase = ''
+    mkdir -p $out
     cp bin/ipxe.dsk bin/ipxe.usb bin/ipxe.iso bin/ipxe.lkrn bin/undionly.kpxe $out
   '';