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/libraries/libsixel/default.nix

@@ -0,0 +1,47 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, meson
+, ninja
+, gdk-pixbuf
+, gd
+, libjpeg
+, pkg-config
+}:
+stdenv.mkDerivation rec {
+  pname = "libsixel";
+  version = "1.10.3";
+
+  src = fetchFromGitHub {
+    owner = "libsixel";
+    repo = "libsixel";
+    rev = "v${version}";
+    sha256 = "1nny4295ipy4ajcxmmh04c796hcds0y7z7rv3qd17mj70y8j0r2d";
+  };
+
+  buildInputs = [
+    gdk-pixbuf gd
+  ];
+
+  nativeBuildInputs = [
+    meson ninja pkg-config
+  ];
+
+  doCheck = true;
+
+  mesonFlags = [
+    "-Dtests=enabled"
+    # build system seems to be broken here, it still seems to handle jpeg
+    # through some other ways.
+    "-Djpeg=disabled"
+    "-Dpng=disabled"
+  ];
+
+  meta = with lib; {
+    description = "The SIXEL library for console graphics, and converter programs";
+    homepage = "https://github.com/libsixel/libsixel";
+    maintainers = with maintainers; [ vrthra ];
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}