During a make, the following is reported;

make[3]: Entering directory `/root/php-4.0RC1/ext/standard'
gcc -DHAVE_CONFIG_H -I. -I/root/php-4.0RC1/ext/standard -I../.. -I../../Zend -I/root/php-4.0RC1 -I/root/apac
he_1.3.12/src/include -I/root/apache_1.3.12/src/os/unix -I/usr/local/mysql/include -I/root/php-4.0RC1/ext/xm
l/expat/xmltok -I/root/php-4.0RC1/ext/xml/expat/xmlparse  -DXML_BYTE_ORDER=12 -D_REENTRANT -g -O2 -Wall  -c
basic_functions.c && touch basic_functions.lo
basic_functions.c:324: `php_if_dl' undeclared here (not in a function)
basic_functions.c:324: initializer element for `basic_functions[201].handler' is not constant
basic_functions.c: In function `php_info_basic':
basic_functions.c:708: warning: implicit declaration of function `php_info_dl'
make[3]: *** [basic_functions.lo] Error 1
make[3]: Leaving directory `/root/php-4.0RC1/ext/standard'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/root/php-4.0RC1/ext/standard'
make[1]: *** [all] Error 1
make[1]: Leaving directory `/root/php-4.0RC1/ext'
make: *** [all-recursive] Error 1