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/applications/video/mythtv/default.nix

@@ -0,0 +1,42 @@
+{ lib, mkDerivation, fetchFromGitHub, which, qtbase, qtwebkit, qtscript, xlibsWrapper
+, libpulseaudio, fftwSinglePrec , lame, zlib, libGLU, libGL, alsa-lib, freetype
+, perl, pkg-config , libsamplerate, libbluray, lzo, libX11, libXv, libXrandr, libXvMC, libXinerama, libXxf86vm
+, libXmu , yasm, libuuid, taglib, libtool, autoconf, automake, file, exiv2, linuxHeaders
+}:
+
+mkDerivation rec {
+  pname = "mythtv";
+  version = "31.0";
+
+  src = fetchFromGitHub {
+    owner = "MythTV";
+    repo = "mythtv";
+    rev = "v${version}";
+    sha256 = "092w5kvc1gjz6jd2lk2jhcazasz2h3xh0i5iq80k8x3znyp4i6v5";
+  };
+
+  patches = [
+    # Disables OS detection used while checking if enforce_wshadow should be disabled.
+    ./disable-os-detection.patch
+  ];
+
+  setSourceRoot = "sourceRoot=$(echo */mythtv)";
+
+  buildInputs = [
+    freetype qtbase qtwebkit qtscript lame zlib xlibsWrapper libGLU libGL
+    perl libsamplerate libbluray lzo alsa-lib libpulseaudio fftwSinglePrec libX11 libXv libXrandr libXvMC
+    libXmu libXinerama libXxf86vm libXmu libuuid taglib exiv2
+  ];
+  nativeBuildInputs = [ pkg-config which yasm libtool autoconf automake file ];
+
+  configureFlags =
+    [ "--dvb-path=${linuxHeaders}/include" ];
+
+  meta = with lib; {
+    homepage = "https://www.mythtv.org/";
+    description = "Open Source DVR";
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.titanous ];
+  };
+}

pkgs/applications/video/mythtv/disable-os-detection.patch

@@ -0,0 +1,31 @@
+--- a/configure	2020-07-21 20:50:58.653989766 +0200
++++ b/configure	2020-07-21 20:52:21.236610586 +0200
+@@ -6537,17 +6537,17 @@
+                 }
+ 
+ enable enforce_wshadow
+-case $target_os in
+-    android)
+-        disable enforce_wshadow
+-        ;;
+-    linux)
+-        . /etc/os-release
+-        if test $ID = "centos"; then
+-            disable enforce_wshadow
+-        fi
+-        ;;
+-esac
++#case $target_os in
++#    android)
++#        disable enforce_wshadow
++#        ;;
++#    linux)
++#        . /etc/os-release
++#        if test $ID = "centos"; then
++#            disable enforce_wshadow
++#        fi
++#        ;;
++#esac
+ 
+ if $(pkg-config --exists Qt5WebKit) || $(pkg-config --exists QtWebKit) ; then
+     enable qtwebkit