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/inputmethods/skk/skk-dicts/default.nix

@@ -0,0 +1,80 @@
+{ lib, stdenv, fetchurl, buildPackages, libiconv, skktools }:
+
+let
+  # kana to kanji
+  small = fetchurl {
+    url = "https://raw.githubusercontent.com/skk-dev/dict/8b35d07a7d2044d48b063d2774d9f9d00bb7cb48/SKK-JISYO.S";
+    sha256 = "11cjrc8m99hj4xpl2nvzxanlswpapi92vmgk9d6yimdz0jidb6cq";
+  };
+  medium = fetchurl {
+    url = "https://raw.githubusercontent.com/skk-dev/dict/8b35d07a7d2044d48b063d2774d9f9d00bb7cb48/SKK-JISYO.M";
+    sha256 = "0pwjp9qjmn9sq6zc0k6632l7dc2dbjn45585ibckvvl9iwfqqxdp";
+  };
+  large = fetchurl {
+    url = "https://raw.githubusercontent.com/skk-dev/dict/8b35d07a7d2044d48b063d2774d9f9d00bb7cb48/SKK-JISYO.L";
+    sha256 = "0ps0a7sbkryd6hxvphq14i7g5wci4gvr0vraac8ia2ww67a2xbyc";
+  };
+
+  # english to japanese
+  edict = fetchurl {
+    url = "https://raw.githubusercontent.com/skk-dev/dict/8b35d07a7d2044d48b063d2774d9f9d00bb7cb48/SKK-JISYO.edict";
+    sha256 = "1vrwnq0vvjn61nijbln6wfinqg93802d2a8d4ad82n692v83b1li";
+  };
+  # misc
+  assoc = fetchurl {
+    url = "https://raw.githubusercontent.com/skk-dev/dict/8b35d07a7d2044d48b063d2774d9f9d00bb7cb48/SKK-JISYO.assoc";
+    sha256 = "1smcbyv6srrhnpl7ic9nqds9nz3g2dgqngmhzkrdlwmvcpvakp1v";
+  };
+
+  iconvBin = if stdenv.isDarwin then libiconv else  buildPackages.stdenv.cc.libc;
+in
+
+stdenv.mkDerivation {
+  pname = "skk-dicts-unstable";
+  version = "2020-03-24";
+  srcs = [ small medium large edict assoc ];
+  nativeBuildInputs = [ skktools ] ++ lib.optional stdenv.isDarwin libiconv;
+
+  strictDeps = true;
+
+  dontUnpack = true;
+
+  installPhase = ''
+    function dictname() {
+      src=$1
+      name=$(basename $src)          # remove dir name
+      dict=$(echo $name | cut -b34-) # remove sha256 prefix
+      echo $dict
+    }
+    mkdir -p $out/share
+
+    for src in $srcs; do
+      dst=$out/share/$(dictname $src)
+      echo ";;; -*- coding: utf-8 -*-" > $dst  # libskk requires this on the first line
+      ${lib.getBin iconvBin}/bin/iconv \
+        -f EUC-JP -t UTF-8 $src | skkdic-expr2 >> $dst
+    done
+
+    # combine .L .edict and .assoc for convenience
+    dst=$out/share/SKK-JISYO.combined
+    echo ";;; -*- coding: utf-8 -*-" > $dst
+    skkdic-expr2 \
+      $out/share/$(dictname ${large}) + \
+      $out/share/$(dictname ${edict}) + \
+      $out/share/$(dictname ${assoc}) >> $dst
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "A collection of standard SKK dictionaries";
+    longDescription = ''
+      This package provides a collection of standard kana-to-kanji
+      dictionaries for the SKK Japanese input method.
+    '';
+    homepage = "https://github.com/skk-dev/dict";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ yuriaisaka ];
+    platforms = platforms.all;
+  };
+}