-dnl Copyright © 2019 Nick Bowler
+dnl Copyright © 2019-2020 Nick Bowler
dnl
dnl Based on original work Copyright © 1999-2013 Jiri (George) Lebl.
dnl
AM_INIT_AUTOMAKE([-Wall subdir-objects dist-xz])
AM_SILENT_RULES([yes])
+DX_AUTOMAKE_COMPAT
AC_PROG_CC
AC_PROG_CXX