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/mailcore2/default.nix

@@ -0,0 +1,59 @@
+{ stdenv, lib, fetchFromGitHub, cmake, libetpan, icu, cyrus_sasl, libctemplate
+, libuchardet, pkg-config, glib, html-tidy, libxml2, libuuid, openssl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "mailcore2";
+
+  version = "0.6.4";
+
+  src = fetchFromGitHub {
+    owner  = "MailCore";
+    repo   = "mailcore2";
+    rev    = version;
+    sha256 = "0a69q11z194fdfwyazjyyylx57sqs9j4lz7jwh5qcws8syqgb23z";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [
+    libetpan icu cyrus_sasl libctemplate libuchardet glib
+    html-tidy libxml2 libuuid openssl
+  ];
+
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+       --replace " icule iculx" "" \
+       --replace "tidy/tidy.h" "tidy.h" \
+       --replace "/usr/include/tidy" "${html-tidy}/include" \
+       --replace "/usr/include/libxml2" "${libxml2.dev}/include/libxml2"
+    substituteInPlace src/core/basetypes/MCHTMLCleaner.cpp \
+      --replace buffio.h tidybuffio.h
+  '';
+
+  cmakeFlags = [
+    "-DBUILD_SHARED_LIBS=ON"
+  ];
+
+  installPhase = ''
+    mkdir $out
+    cp -r src/include $out
+
+    mkdir $out/lib
+    cp src/libMailCore.so $out/lib
+  '';
+
+  doCheck = true;
+  checkPhase = ''
+    (
+      cd unittest
+      LD_LIBRARY_PATH="$(cd ../src; pwd)" TZ=PST8PDT ./unittestcpp ../../unittest/data
+    )
+  '';
+
+  meta = with lib; {
+    description = "A simple and asynchronous API to work with e-mail protocols IMAP, POP and SMTP";
+    homepage    = "http://libmailcore.com";
+    license     = licenses.bsd3;
+    maintainers = with maintainers; [ cstrahan ];
+  };
+}