Help with Install

Hi, I am trying to intall php4, I get configure to run, then most of make runs until it get to apache then it crashes: Making all in apache make[2]: Entering directory `/root/downloads/php-4.0.2/sapi/apache' make[3]: Entering directory `/root/downloads/php-4.0.2/sapi/apache' gcc -I. -I/root/downloads/php-4.0.2/sapi/apache -I/root/downloads/php-4.0.2 -I/root/downloads/php-4.0.2/main -I/temp/apache_1.3.12/src/include -I/temp/apache_1.3.12/src/os/unix -I/root/downloads/php-4.0.2/Zend -I/root/downloads/php-4.0.2 -I/usr/include/mysql -I/root/downloads/php-4.0.2/ext/xml/expat/xmltok -I/root/downloads/php-4.0.2/ext/xml/expat/xmlparse -I/temp/apache_1.3.12/src/include -I/temp/apache_1.3.12/src/os/unix -DXML_BYTE_ORDER=12 -g -O2 -c sapi_apache.c && touch sapi_apache.lo In file included from /temp/apache_1.3.12/src/include/ap_config.h:116, from /temp/apache_1.3.12/src/include/httpd.h:71, from sapi_apache.c:32: /temp/apache_1.3.12/src/os/unix/os.h:122: conflicting types for `dlerror' /usr/include/dlfcn.h:67: previous declaration of `dlerror' make[3]: *** [sapi_apache.lo] Error 1 make[3]: Leaving directory `/root/downloads/php-4.0.2/sapi/apache' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/root/downloads/php-4.0.2/sapi/apache' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/root/downloads/php-4.0.2/sapi' make: *** [all-recursive] Error 1 Help please.