AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
-AM_INIT_AUTOMAKE([1.15 -Wall -Wno-extra-portability])
+AM_INIT_AUTOMAKE([1.16 -Wall -Wno-extra-portability])
# Package default C compiler flags.
dnl This must be before LT_INIT and AC_PROG_CC.