This turns off maintainer mode build rules in tarballs.
Works in conjunction with autogen.sh --enable-maintainer-mode
AC_PREREQ([2.57])
AC_INIT([VideoProto], [2.3.0], [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg])
AM_INIT_AUTOMAKE([foreign dist-bzip2])
+AM_MAINTAINER_MODE
# Require xorg-macros: XORG_CHANGELOG
m4_ifndef([XORG_MACROS_VERSION], [AC_FATAL([must install xorg-macros 1.2 or later before running autoconf/autogen])])