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/tools/networking/s6-networking/default.nix

@@ -0,0 +1,65 @@
+{ lib, skawarePackages
+
+# Whether to build the TLS/SSL tools and what library to use
+# acceptable values: "bearssl", "libressl", false
+, sslSupport ? "bearssl" , libressl, bearssl
+}:
+
+with skawarePackages;
+let
+  sslSupportEnabled = sslSupport != false;
+  sslLibs = {
+    libressl = libressl;
+    bearssl = bearssl;
+  };
+
+in
+assert sslSupportEnabled -> sslLibs ? ${sslSupport};
+
+
+buildPackage {
+  pname = "s6-networking";
+  version = "2.5.1.0";
+  sha256 = "0hgzj68bk17r1gr32ld1dm5s1x1a5x8ac03klykhfbasx8gwa1r5";
+
+  description = "A suite of small networking utilities for Unix systems";
+
+  outputs = [ "bin" "lib" "dev" "doc" "out" ];
+
+  # TODO: nsss support
+  configureFlags = [
+    "--libdir=\${lib}/lib"
+    "--libexecdir=\${lib}/libexec"
+    "--dynlibdir=\${lib}/lib"
+    "--bindir=\${bin}/bin"
+    "--includedir=\${dev}/include"
+    "--with-sysdeps=${skalibs.lib}/lib/skalibs/sysdeps"
+    "--with-include=${skalibs.dev}/include"
+    "--with-include=${execline.dev}/include"
+    "--with-include=${s6.dev}/include"
+    "--with-include=${s6-dns.dev}/include"
+    "--with-lib=${skalibs.lib}/lib"
+    "--with-lib=${execline.lib}/lib"
+    "--with-lib=${s6.out}/lib"
+    "--with-lib=${s6-dns.lib}/lib"
+    "--with-dynlib=${skalibs.lib}/lib"
+    "--with-dynlib=${execline.lib}/lib"
+    "--with-dynlib=${s6.out}/lib"
+    "--with-dynlib=${s6-dns.lib}/lib"
+  ]
+  ++ (lib.optionals sslSupportEnabled [
+       "--enable-ssl=${sslSupport}"
+       "--with-include=${lib.getDev sslLibs.${sslSupport}}/include"
+       "--with-lib=${lib.getLib sslLibs.${sslSupport}}/lib"
+       "--with-dynlib=${lib.getLib sslLibs.${sslSupport}}/lib"
+     ]);
+
+  postInstall = ''
+    # remove all s6 executables from build directory
+    rm $(find -name "s6-*" -type f -mindepth 1 -maxdepth 1 -executable)
+    rm libs6net.* libstls.* libs6tls.* libsbearssl.*
+
+    mv doc $doc/share/doc/s6-networking/html
+  '';
+
+}