Merge #244996: gnutar: pull missing libintl dependency on Darwin

...into staging

pkgs/tools/archivers/gnutar/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoreconfHook, acl }:
+{ lib, stdenv, fetchurl, autoreconfHook, acl, libintl }:
 
 # Note: this package is used for bootstrapping fetchurl, and thus
 # cannot use fetchpatch! All mutable patches (generated by GitHub or
@@ -31,7 +31,12 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "info" ];
 
   nativeBuildInputs = lib.optional stdenv.isDarwin autoreconfHook;
-  buildInputs = lib.optional stdenv.isLinux acl;
+  # Add libintl on Darwin specifically as it fails to link (or skip)
+  # NLS on it's own:
+  #  "_libintl_textdomain", referenced from:
+  #    _main in tar.o
+  #  ld: symbol(s) not found for architecture x86_64
+  buildInputs = lib.optional stdenv.isLinux acl ++ lib.optional stdenv.isDarwin libintl;
 
   # May have some issues with root compilation because the bootstrap tool
   # cannot be used as a login shell for now.