Let me sync the gnulib module 'gettext' with the infrastructure from gettext 0.20.
2019-05-09 Bruno Haible <br...@clisp.org> gettext: Update to gettext 0.20. * modules/gettext (Files): Remove m4/codeset.m4, m4/fcntl-o.m4, m4/glibc2.m4, m4/glibc21.m4, m4/intdiv0.m4, m4/intl.m4, m4/intldir.m4, m4/intmax.m4, m4/inttypes_h.m4, m4/inttypes-pri.m4, m4/lcmessage.m4, m4/lock.m4, m4/longlong.m4, m4/printf-posix.m4, m4/size_max.m4, m4/stdint_h.m4, m4/threadlib.m4, m4/uintmax_t.m4, m4/visibility.m4, m4/wchar_t.m4, m4/wint_t.m4, m4/xsize.m4. Add m4/host-cpu-c-abi.m4. (configure.ac): Request infrastructure compatible with gettext 0.20. * m4/glibc2.m4: Remove file. * m4/intdiv0.m4: Remove file. * m4/intl.m4: Remove file. * m4/intldir.m4: Remove file. * m4/intmax.m4: Remove file. * m4/printf-posix.m4: Remove file. * m4/uintmax_t.m4: Remove file. * m4/gettext.m4: Update from gettext 0.20. * m4/po.m4: Likewise.