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/vmime/default.nix

@@ -0,0 +1,31 @@
+{lib, stdenv, fetchFromGitHub
+, gsasl, gnutls, pkg-config, cmake, zlib, libtasn1, libgcrypt, gtk3
+# this will not work on non-nixos systems
+, sendmailPath ? "/run/wrappers/bin/sendmail"
+}:
+
+stdenv.mkDerivation rec {
+  pname = "vmime";
+  version = "0.9.2";
+  src = fetchFromGitHub {
+    owner = "kisli";
+    repo = "vmime";
+    rev = "v${version}";
+    sha256 = "1304n50ny2av8bagjpgz55ag0nd7m313akm9bb73abjn6h5nzacv";
+  };
+
+  buildInputs = [ gsasl gnutls zlib libtasn1 libgcrypt gtk3 ];
+  nativeBuildInputs = [ pkg-config cmake ];
+
+  cmakeFlags = [
+    "-DVMIME_SENDMAIL_PATH=${sendmailPath}"
+  ];
+
+  meta = {
+    homepage = "https://www.vmime.org/";
+    description = "Free mail library for C++";
+    license = lib.licenses.gpl3;
+    maintainers = with lib.maintainers; [viric];
+    platforms = with lib.platforms; linux;
+  };
+}