+AC_ARG_ENABLE(rtti,
+ AS_HELP_STRING([--disable-rtti],
+ [Disable RTTI in glog]))
+AM_CONDITIONAL(DISABLE_RTTI, test x"$enable_rtti" = x"no")
+if test x"$enable_rtti" = x"no"; then
+ AC_DEFINE(DISABLE_RTTI, 1, [define if glog doesn't use RTTI])
+fi
+