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/mp4v2/default.nix

@@ -0,0 +1,46 @@
+{ stdenv, lib, fetchFromGitHub, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "mp4v2";
+  version = "4.1.3";
+
+  src = fetchFromGitHub {
+    # 2020-06-20: THE current upstream, maintained and used in distros fork.
+    owner = "TechSmith";
+    repo = "mp4v2";
+    rev = "Release-ThirdParty-MP4v2-${version}";
+    sha256 = "053a0lgy819sbz92cfkq0vmkn2ky39bva554pj4ypky1j6vs04fv";
+  };
+
+  patches = [
+    (fetchurl {
+      # 2020-06-19: NOTE: # Fix build with C++11
+      # Close when https://github.com/TechSmith/mp4v2/pull/36 merged/closed.
+      url = "https://raw.githubusercontent.com/archlinux/svntogit-packages/203f5a72bc97ffe089b424c47b07dd9eaea35713/trunk/libmp4v2-c++11.patch";
+      sha256 = "0sbn0il7lmk77yrjyb4f0a3z3h8gsmdkscvz5n9hmrrrhrwf672w";
+    })
+  ] ++ lib.optionals stdenv.cc.isClang [
+    # unbreak build with Clang≥6 (C++14 by default). Based on https://reviews.freebsd.org/rP458678
+    ./fix-build-clang.patch
+  ];
+
+  NIX_CFLAGS_COMPILE = [ "-Wno-error=narrowing" ];
+
+  # `faac' expects `mp4.h'.
+  postInstall = "ln -s mp4v2/mp4v2.h $out/include/mp4.h";
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Provides functions to read, create, and modify mp4 files";
+    longDescription = ''
+      MP4v2 library provides an API to work with mp4 files
+      as defined by ISO-IEC:14496-1:2001 MPEG-4 Systems.
+      This container format is derived from Apple's QuickTime format.
+    '';
+    homepage = "https://github.com/TechSmith/mp4v2";
+    maintainers = [ lib.maintainers.Anton-Latukha ];
+    platforms = lib.platforms.unix;
+    license = lib.licenses.mpl11;
+  };
+}

pkgs/development/libraries/mp4v2/fix-build-clang.patch

@@ -0,0 +1,13 @@
+diff --git a/src/mp4.cpp b/src/mp4.cpp
+index c2a7238..9bb3e38 100644
+--- a/src/mp4.cpp
++++ b/src/mp4.cpp
+@@ -870,7 +870,7 @@ MP4FileHandle MP4ReadProvider( const char* fileName, const MP4FileProvider* file
+         }
+ 
+         catch (...) {
+-            return MP4_INVALID_TRACK_ID;
++            return NULL;
+         }
+     }
+