uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/servers/dns/nsd/default.nix

@@ -0,0 +1,66 @@
+{ lib, stdenv, fetchurl, libevent, openssl, nixosTests
+, bind8Stats       ? false
+, checking         ? false
+, ipv6             ? true
+, mmap             ? false
+, minimalResponses ? true
+, nsec3            ? true
+, ratelimit        ? false
+, recvmmsg         ? false
+, rootServer       ? false
+, rrtypes          ? false
+, zoneStats        ? false
+
+, configFile ? "/etc/nsd/nsd.conf"
+}:
+
+stdenv.mkDerivation rec {
+  pname = "nsd";
+  version = "4.4.0";
+
+  src = fetchurl {
+    url = "https://www.nlnetlabs.nl/downloads/${pname}/${pname}-${version}.tar.gz";
+    sha256 = "sha256-z81v3Zk0TKWn73wpQMJBvO9HH8MlK6PcvUxX4GOOiDY=";
+  };
+
+  prePatch = ''
+    substituteInPlace nsd-control-setup.sh.in --replace openssl ${openssl}/bin/openssl
+  '';
+
+  buildInputs = [ libevent openssl ];
+
+  configureFlags =
+    let edf = c: o: if c then ["--enable-${o}"] else ["--disable-${o}"];
+     in edf bind8Stats       "bind8-stats"
+     ++ edf checking         "checking"
+     ++ edf ipv6             "ipv6"
+     ++ edf mmap             "mmap"
+     ++ edf minimalResponses "minimal-responses"
+     ++ edf nsec3            "nsec3"
+     ++ edf ratelimit        "ratelimit"
+     ++ edf recvmmsg         "recvmmsg"
+     ++ edf rootServer       "root-server"
+     ++ edf rrtypes          "draft-rrtypes"
+     ++ edf zoneStats        "zone-stats"
+     ++ [ "--with-ssl=${openssl.dev}"
+          "--with-libevent=${libevent.dev}"
+          "--with-nsd_conf_file=${configFile}"
+          "--with-configdir=etc/nsd"
+        ];
+
+  patchPhase = ''
+    sed 's@$(INSTALL_DATA) nsd.conf.sample $(DESTDIR)$(nsdconfigfile).sample@@g' -i Makefile.in
+  '';
+
+  passthru.tests = {
+    inherit (nixosTests) nsd;
+  };
+
+  meta = with lib; {
+    homepage = "http://www.nlnetlabs.nl";
+    description = "Authoritative only, high performance, simple and open source name server";
+    license = licenses.bsd3;
+    platforms = platforms.unix;
+    maintainers = [ maintainers.hrdinka ];
+  };
+}