Add AC_CONFIG_MACRO_DIR([m4])

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>
Regenerate build scripts

autoconf (GNU Autoconf) 2.69
autoheader (GNU Autoconf) 2.69
automake (GNU automake) 1.13.4
aclocal (GNU automake) 1.13.4
autopoint (GNU gettext-tools) 0.18.2
libtoolize (GNU libtool) 2.4.2

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>
Update config.sub to the latest version

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>