Installing PHP4 with Apache - with error log.

Hi all... I am trying to install Apache with PHP4 support but I am not having much luck. The PHP manual installation instructions are specific to PHP3. This is the error I'm getting.... ar cr libstandard.a mod_env.o mod_log_config.o mod_mime.o mod_negotiation.o mod_status.o mod_include.o mod_autoindex.o mod_dir.o mod_cgi.o mod_asis.o mod_imap.o mod_actions.o mod_userdir.o mod_alias.o mod_access.o mod_auth.o mod_setenvif.o ranlib libstandard.a <=== src/modules/standard ===> src/modules/libphp4.a /bin/sh: cd: libphp4.a: Not a directory make[3]: *** [all] Error 1 make[2]: *** [subdirs] Error 1 make[2]: Leaving directory `/usr/local/apache/src' make[1]: *** [build-std] Error 2 make[1]: Leaving directory `/usr/local/apache' make: *** [build] Error 2