hello what is "m4_pattern_allow" ?? how to use it ?? I am installing patch of acl-2.2.49.tar.gz but it gives me error stating -- "line 1650 :AC_CONFIG_MACRO:m4" line 1650 : use m4_pattern_allow" thankx _________________________________________________________________ New Windows 7: Find the right PC for you. Learn more. http://windows.microsoft.com/shop_______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf