Merge staging into closure-size

The most complex problems were from dealing with switches reverted in
the meantime (gcc5, gmp6, ncurses6).
It's likely that darwin is (still) broken nontrivially.

pkgs/development/web/nodejs/default.nix

@@ -7,7 +7,7 @@
 assert stdenv.system != "armv5tel-linux";
 
 let
-  version = "4.1.0";
+  version = "4.2.2";
 
   deps = {
     inherit openssl zlib libuv;
@@ -31,7 +31,7 @@ in stdenv.mkDerivation {
 
   src = fetchurl {
     url = "http://nodejs.org/dist/v${version}/node-v${version}.tar.gz";
-    sha256 = "453005f64ee529f7dcf1237eb27ee2fa2415c49f5c9e7463e8b71fba61c5b408";
+    sha256 = "1c8c45b39fg2mz1c88jl0q0yhpxixdr25rpmpfskdd1m6hshkrq0";
   };
 
   configureFlags = concatMap sharedConfigureFlags (builtins.attrNames deps) ++ [ "--without-dtrace" ];

pkgs/development/web/nodejs/v0_10.nix

@@ -56,6 +56,13 @@ in stdenv.mkDerivation {
 
   enableParallelBuilding = true;
 
+  postFixup = ''
+    pushd $out/lib/node_modules/npm/node_modules/node-gyp
+    patch -p2 < ${./no-xcode.patch}
+    popd
+    sed -i 's/raise.*No Xcode or CLT version detected.*/version = "7.0.0"/' $out/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/xcode_emulation.py
+  '';
+
   passthru.interpreterName = "nodejs-0.10";
 
   meta = {