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/tools/networking/ntp/default.nix

@@ -0,0 +1,45 @@
+{ stdenv, lib, fetchurl, openssl, perl, pps-tools, libcap }:
+
+stdenv.mkDerivation rec {
+  pname = "ntp";
+  version = "4.2.8p15";
+
+  src = fetchurl {
+    url = "https://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-${lib.versions.majorMinor version}/ntp-${version}.tar.gz";
+    sha256 = "06cwhimm71safmwvp6nhxp6hvxsg62whnbgbgiflsqb8mgg40n7n";
+  };
+
+  patches = [
+    # From https://patchwork.openembedded.org/patch/180019/
+    ./glibc-2.34-fix.patch
+  ];
+
+  configureFlags = [
+    "--sysconfdir=/etc"
+    "--localstatedir=/var"
+    "--with-openssl-libdir=${lib.getLib openssl}/lib"
+    "--with-openssl-incdir=${openssl.dev}/include"
+    "--enable-ignore-dns-errors"
+    "--with-yielding-select=yes"
+  ] ++ lib.optional stdenv.isLinux "--enable-linuxcaps";
+
+  buildInputs = [ openssl perl ]
+    ++ lib.optionals stdenv.isLinux [ pps-tools libcap ];
+
+  hardeningEnable = [ "pie" ];
+
+  postInstall = ''
+    rm -rf $out/share/doc
+  '';
+
+  meta = with lib; {
+    homepage = "http://www.ntp.org/";
+    description = "An implementation of the Network Time Protocol";
+    license = {
+      # very close to isc and bsd2
+      url = "https://www.eecis.udel.edu/~mills/ntp/html/copyright.html";
+    };
+    maintainers = with maintainers; [ eelco thoughtpolice ];
+    platforms = platforms.unix;
+  };
+}