parsekit-0.1 (alpha) Compile Error

Hi all, I'm not able to compile parsekit on Linux (Fedora, Linux version 2.4.22-1.2174.nptl (bhcompile@tweety.devel.redhat.com) (gcc version 3.2.3 20030422 (Red Hat Linux 3.2.3-6)). Here is what I receive on screen: could someone give me an help? Thanx in advance regards Sergio [root@opm php-4.3.6]# make gcc -Iext/parsekit/ -I/home/sergio/software/php-4.3.6/ext/parsekit/ -DPHP_ATOM_INC -I/home/sergio/software/php-4.3.6/include -I/home/sergio/software/php-4.3.6/main - I/home/sergio/software/php-4.3.6 -I/home/sergio/software/php-4.3.6/Zend -I/home/sergio/software/php-4.3.6/ext/xml/expat -I/home/sergio/software/php-4.3.6/TSRM -O3 - D_FILE_OFFSET_BITS=64 -c /home/sergio/software/php-4.3.6/ext/parsekit/parsekit.c -o ext/parsekit/parsekit.o && echo > ext/parsekit/parsekit.lo In file included from /home/sergio/software/php-4.3.6/ext/parsekit/parsekit.c:28: /home/sergio/software/php-4.3.6/ext/parsekit/php_parsekit.h:71: error: `ZEND_OVERLOADED_FUNCTION_TEMPORARY' undeclared here (not in a function) /home/sergio/software/php-4.3.6/ext/parsekit/php_parsekit.h:71: error: initializer element is not constant /home/sergio/software/php-4.3.6/ext/parsekit/php_parsekit.h:71: error: (near initialization for `php_parsekit_function_types[4].val') ... ... /home/sergio/software/php-4.3.6/ext/parsekit/parsekit.c:757: warning: data definition has no type or storage class /home/sergio/software/php-4.3.6/ext/parsekit/parsekit.c:759: error: syntax error before "return" make: *** [ext/parsekit/parsekit.lo] Error 1 [root@opm php-4.3.6]#