Merge branch 'master' into staging

* master: (125 commits)
  scummvm: fix eval
  tinycc: 0.9.27pre-20171016 -> 0.9.27
  Update terraform provider versions
  vscode: 1.18.1 -> 1.19.0
  linux: 4.14.6 -> 4.14.7
  scummvm: 1.9.0 -> 2.0.0
  cmst: 2017.03.18 -> 2017.09.19
  albert: 0.14.7 -> 0.14.14
  obs-studio: fix vlc plugin
  ffmpeg, ffmpeg-full: 3.4 -> 3.4.1
  uchiwa: 0.26.3 -> 1.1.0
  linux-testing: 4.15-rc3 -> 4.15-rc4
  steam: override nss, nspr, fixes #32781
  ponyc: 0.20.0 -> 0.21.0
  pythonPackages.pwntools: disable tests
  gnome3.gnome-tweak-tool: 3.26.3 → 3.26.4
  vim-rhubarb: init at 2017-06-28
  atom: depend on libsecret
  nvidia-settings: Make sure binary can find libXv.so
  backblaze-b2: 0.6.2 -> 1.1.0
  ...

pkgs/build-support/cc-wrapper/default.nix

@@ -44,7 +44,7 @@ let
   # The wrapper scripts use 'cat' and 'grep', so we may need coreutils.
   coreutils_bin = if nativeTools then "" else getBin coreutils;
 
-  default_cxx_stdlib_compile=optionalString (targetPlatform.isLinux && !(cc.isGNU or false))
+  default_cxx_stdlib_compile = optionalString (targetPlatform.isLinux && !(cc.isGNU or false) && !nativeTools)
     "-isystem $(echo -n ${cc.gcc}/include/c++/*) -isystem $(echo -n ${cc.gcc}/include/c++/*)/$(${cc.gcc}/bin/gcc -dumpmachine)";
 
   dashlessTarget = stdenv.lib.replaceStrings ["-"] ["_"] targetPlatform.config;