make: GNU Make version 3.79
cc: Compaq C V6.1-020 on Compaq Tru64 UNIX V5.0A (Rev. 1094)

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_CONFIG_H -I. -I. -I../main   -DOSF1 -DUSE_HSREGEX -DUSE_EXPAT -DSUPPORT_UTF8 -DXML_BYTE_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