Merge pull request #150637 from thefloweringash/help2man-nls

help2man: restore nls support on darwin, make nls explicit

pkgs/development/tools/misc/help2man/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, perlPackages, gettext }:
+{ lib, stdenv, fetchurl, perlPackages, gettext, libintl }:
 
 # Note: this package is used for bootstrapping fetchurl, and thus
 # cannot use fetchpatch! All mutable patches (generated by GitHub or
@@ -17,7 +17,11 @@ stdenv.mkDerivation rec {
   strictDeps = true;
 
   nativeBuildInputs = [ gettext perlPackages.perl perlPackages.LocaleGettext ];
-  buildInputs = [ perlPackages.LocaleGettext ];
+  buildInputs = [ perlPackages.LocaleGettext libintl ];
+
+  configureFlags = [
+    "--enable-nls"
+  ];
 
   doCheck = false;                                # target `check' is missing