Re: gt_INTL_MACOSX not defined by gettext.m4

[Bruno Haible]

As a workaround, until the next gettext release, I would suggest that
  - you continue to use gettextize
  - but additionally you run the command
      gnulib-tool --copy-file m4/intlmacosx.m4 gnulib/m4/intlmacosx.m4

Bruno