Compiling PHP 4.0.5 on Tru64

Hi all! I'm having problems compiling PHP 4.0.5 on Tru64, and was hoping that someone could help me. Here's the info: OS: OSF1 bob V5.0 1094 alpha COMPILER: gcc version 2.9-gnupro-99r1 COMPILER: Compaq C V6.1-020 on Compaq Tru64 UNIX V5.0A (Rev.1094) MAKE: GNU Make version 3.79 PHP: php-4.0.5 And here's the compile-error: Making all in Zend make[1]: Entering directory `/usr/users/stone/dl/php-4.0.5/Zend' /bin/sh /home/stone/dl/php-4.0.5/libtool --silent --mode=compile gcc -DHAVE_CONF IG_H -I. -I. -I../main -DOSF1 -DUSE_HSREGEX -DUSE_EXPAT -DSUPPORT_UTF8 -DXML_B YTE_ORDER=12 -g -O2 -c zend_operators.c zend_operators.c: In function `multi_convert_to_long_ex': zend_operators.c:525: parse error before `zval' zend_operators.c: In function `multi_convert_to_double_ex': zend_operators.c:540: parse error before `zval' zend_operators.c: In function `multi_convert_to_string_ex': zend_operators.c:555: parse error before `zval' make[1]: *** [zend_operators.lo] Error 1 make[1]: Leaving directory `/usr/users/stone/dl/php-4.0.5/Zend' make: *** [all-recursive] Error 1 Would really appreciate any assistance on this matter. Thanks in advance! //Daniel