note 84501 added to install.unix.apache2

I was installing php5.2.6 on linux system this command works fine ./configure --with-apxs2=/usr/local/apache2/bin/apxs --with-mysql When I was compiling with make, the below output error is displayed. /home/sabbarapuj/Downloads/php-5.2.6/ext/libxml/libxml.c:536: `va_list' undeclared (first use in this function) /home/sabbarapuj/Downloads/php-5.2.6/ext/libxml/libxml.c:536: parse error before `args' /home/sabbarapuj/Downloads/php-5.2.6/ext/libxml/libxml.c:537: `args' undeclared (first use in this function) /home/sabbarapuj/Downloads/php-5.2.6/ext/libxml/libxml.c: In function `php_libxml_error_handler': /home/sabbarapuj/Downloads/php-5.2.6/ext/libxml/libxml.c:551: `va_list' undeclared (first use in this function) /home/sabbarapuj/Downloads/php-5.2.6/ext/libxml/libxml.c:551: parse error before `args' /home/sabbarapuj/Downloads/php-5.2.6/ext/libxml/libxml.c:552: `args' undeclared (first use in this function) make: *** [ext/libxml/libxml.lo] Error 1 could you please tell me how to fix this error? ---- Server IP: 217.174.223.124 Probable Submitter: 192.93.163.1 ---- Manual Page -- http://www.php.net/manual/en/install.unix.apache2.php Edit -- https://master.php.net/note/edit/84501 Del: integrated -- https://master.php.net/note/delete/84501/integrated Del: useless -- https://master.php.net/note/delete/84501/useless Del: bad code -- https://master.php.net/note/delete/84501/bad+code Del: spam -- https://master.php.net/note/delete/84501/spam Del: non-english -- https://master.php.net/note/delete/84501/non-english Del: in docs -- https://master.php.net/note/delete/84501/in+docs Del: other reasons-- https://master.php.net/note/delete/84501 Reject -- https://master.php.net/note/reject/84501 Search -- https://master.php.net/manage/user-notes.php