+dnl define some stuff required for --fullversion
+AC_DEFINE_UNQUOTED(VERSION_CONFIGURE_ARGS, "$ac_configure_args", [configure arguments])
+AC_DEFINE_UNQUOTED(VERSION_CC, "$CC", [CC used])
+AC_DEFINE_UNQUOTED(VERSION_CFLAGS, "$OPT_CFLAGS $ARCH_CFLAGS $CPPFLAGS", [CFLAGS used])
+
+