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/os-specific/linux/jfbview/default.nix

@@ -0,0 +1,73 @@
+{ lib, stdenv, fetchFromGitHub
+, freetype, harfbuzz, jbig2dec, libjpeg, libX11, mupdf_1_17, ncurses, openjpeg
+, openssl
+
+, imageSupport ? true, imlib2 ? null }:
+
+let
+  package = if imageSupport
+    then "jfbview"
+    else "jfbpdf";
+  binaries = if imageSupport
+    then [ "jfbview" "jpdfcat" "jpdfgrep" ] # all require imlib2
+    else [ "jfbpdf" ]; # does not
+in
+
+stdenv.mkDerivation rec {
+  pname = package;
+  version = "0.5.7";
+
+  src = fetchFromGitHub {
+    repo = "JFBView";
+    owner = "jichu4n";
+    rev = version;
+    sha256 = "0ppns49hnmp04zdjw6wc28v0yvz31rkzvd5ylcj7arikx20llpxf";
+  };
+
+  postPatch = ''
+    substituteInPlace main.cpp \
+      --replace "<stropts.h>" "<sys/ioctl.h>"
+  '';
+
+  hardeningDisable = [ "format" ];
+
+  buildInputs = [
+    freetype harfbuzz jbig2dec libjpeg libX11 mupdf_1_17 ncurses openjpeg
+    openssl
+  ] ++ lib.optionals imageSupport [
+    imlib2
+  ];
+
+  configurePhase = ''
+    # Hack. Probing (`ldconfig -p`) fails with ‘cannot execute binary file’.
+    # Overriding `OPENJP2 =` later works, but makes build output misleading:
+    substituteInPlace Makefile --replace "ldconfig -p" "echo libopenjp2"
+
+    make config.mk
+  '';
+
+  buildFlags = binaries;
+  enableParallelBuilding = true;
+
+  installPhase = ''
+    mkdir -p $out/bin
+    install ${toString binaries} $out/bin
+  '';
+
+  meta = with lib; {
+    description = "PDF and image viewer for the Linux framebuffer";
+    longDescription = ''
+      A very fast PDF and image viewer for the Linux framebuffer with some
+      advanced and unique features, including:
+      - Reads PDFs (MuPDF) and common image formats (Imlib2)
+      - Supports arbitrary zoom (10% - 1000%) and rotation
+      - Table of Contents (TOC) viewer for PDF documents
+      - Multi-threaded rendering on multi-core machines
+      - Asynchronous background rendering of the next page
+      - Customizable multi-threaded caching
+    '';
+    homepage = "https://seasonofcode.com/pages/jfbview.html";
+    license = licenses.asl20;
+    platforms = platforms.linux;
+  };
+}