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/development/tools/misc/sloccount/default.nix

@@ -0,0 +1,73 @@
+{ fetchurl, lib, stdenv, perl, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "sloccount";
+  version = "2.26";
+
+  src = fetchurl {
+    url = "https://www.dwheeler.com/${pname}/${pname}-${version}.tar.gz";
+    sha256 = "0ayiwfjdh1946asah861ah9269s5xkc8p5fv1wnxs9znyaxs4zzs";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ perl ];
+
+  # Make sure the Flex-generated files are newer than the `.l' files, so that
+  # Flex isn't needed to recompile them.
+  patchPhase = ''
+    for file in *
+    do
+      if grep -q /usr/bin/perl "$file"
+      then
+          echo "patching \`$file'..."
+          substituteInPlace "$file" --replace \
+            "/usr/bin/perl" "${perl}/bin/perl"
+      fi
+    done
+
+    for file in *.l
+    do
+      touch "$(echo $file | sed -es'/\.l$/.c/g')"
+    done
+  '';
+
+  makeFlags = [ "PREFIX=$(out)" "CC=${stdenv.cc.targetPrefix}cc" ];
+
+  doCheck = true;
+  checkPhase = ''HOME="$TMPDIR" PATH="$PWD:$PATH" make test'';
+
+  preInstall = ''
+    mkdir -p "$out/bin"
+    mkdir -p "$out/share/man/man1"
+    mkdir -p "$out/share/doc"
+  '';
+
+  postInstall = ''
+    for w in "$out/bin"/*; do
+      isScript "$w" || continue
+      wrapProgram "$w" --prefix PATH : "$out/bin"
+    done
+    '';
+
+  meta = {
+    description = "Set of tools for counting physical Source Lines of Code (SLOC)";
+
+    longDescription = ''
+      This is the home page of "SLOCCount", a set of tools for
+      counting physical Source Lines of Code (SLOC) in a large number
+      of languages of a potentially large set of programs.  This suite
+      of tools was used in my papers More than a Gigabuck: Estimating
+      GNU/Linux's Size and Estimating Linux's Size to measure the SLOC
+      of entire GNU/Linux distributions, and my essay Linux Kernel
+      2.6: It's Worth More!  Others have measured Debian GNU/Linux and
+      the Perl CPAN library using this tool suite.
+    '';
+
+    license = lib.licenses.gpl2Plus;
+
+    homepage = "https://www.dwheeler.com/sloccount/";
+
+    maintainers = [ ];
+    platforms = lib.platforms.all;
+  };
+}