Merge pull request #56744 from matthewbauer/macos-10-12

Update macOS to 10.12

pkgs/tools/archivers/gnutar/default.nix

@@ -13,6 +13,7 @@ stdenv.mkDerivation rec {
   configureFlags = stdenv.lib.optionals stdenv.isDarwin [
     "gt_cv_func_CFPreferencesCopyAppValue=no"
     "gt_cv_func_CFLocaleCopyCurrent=no"
+    "gt_cv_func_CFLocaleCopyPreferredLanguages=no"
   ];
 
   # gnutar tries to call into gettext between `fork` and `exec`,

pkgs/tools/archivers/p7zip/default.nix

@@ -37,6 +37,8 @@ stdenv.mkDerivation rec {
 
   setupHook = ./setup-hook.sh;
 
+  NIX_CFLAGS_COMPILE = "-Wno-error=c++11-narrowing";
+
   meta = {
     homepage = http://p7zip.sourceforge.net/;
     description = "A port of the 7-zip archiver";