This is an SMP machine. 

Making all in .
make[1]: Entering directory `/home/httpd/html/august/php4-200006131145'
/bin/sh /home/httpd/html/august/php4-200006131145/libtool --silent --mode=compile gcc -DHAVE_CONFIG_H -I. -I/home/httpd/html/august/php4-200006131145/ -I/home/httpd/html/august/php4-200006131145 -I/usr/include/apache -I/home/httpd/html/august/php4-200006131145/Zend -I/home/httpd/html/august/php4-200006131145 -I/home/httpd/html/august/php4-200006131145/ext/mysql/libmysql   -g -O2  -c main.c
main.c: In function `php_message_handler_for_zend':
main.c:573: `ZMSG_ENABLE_TRACK_VARS' undeclared (first use in this function)
main.c:573: (Each undeclared identifier is reported only once
main.c:573: for each function it appears in.)
main.c:576: warning: unreachable code at beginning of switch statement
main.c: In function `php_module_startup':
main.c:852: warning: assignment from incompatible pointer type
main.c:900: structure has no member named `short_tags'
main.c:901: structure has no member named `asp_tags'
main.c:902: structure has no member named `allow_call_time_pass_reference'
make[1]: *** [main.lo] Error 1
make[1]: Leaving directory `/home/httpd/html/august/php4-200006131145'
make: *** [all-recursive] Error 1
[root@dhp0314 php4-200006131145]# cat do-conf 
./configure --disable-xml --enable-sysvsem --enable-sysvshm --without-gdb -disable-rpath --with-mysql --with-apxs=/usr/sbin/apxs --disable-debug --with-config-file-path=/etc/httpd/conf --enable-rule=EAPI