[Webdev] module question

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Hi, i have a quick question about installing php and perl modules for
apache1.3.12. I am obiviously doing something wrong but i dont know what
, here's what im doing:

Firstly, I install mod_perl-1.24 with the following:
tar xzvf mod_perl-1.24.tar.gz
cd mod_perl-1.24
perl Makefile.PL APACHE_SRC=../apache_1.3.12/src DO_HTTPD=1 USE_APACI=1
EVERYTHING=1
make && make test && make install
 cd ../apache_1.3.12
 make install
And then added the following to httpd.conf:
Alias   /perl/  /home/httpd/perl/
and
PerlModule Apache::Registry
<Location /perl>
       SetHandler perl-script
       PerlHandler Apache::Registry
       Options ExecCGI
       allow from all
       PerlSendHeader On
</Location>

This works great and i can run my .pl's tests and 'httpd -l' lists
mod_perl.c in the output list.

Secondly, i install php4 with the following:
tar xzvf php-4.0.1pl2.tar.gz
cd apache_1.3.12
./configure --prefix=/www
 cd ../php-4.0.1pl2
./configure --with-mysql --with-apache=../apache_1.3.12
--enable-track-vars
make
make install
cd ../apache_1.3.x
./configure --activate-module=src/modules/php4/libphp4.a
 make
 make install
cd ../php-4.0.1pl2
cp php.ini-dist /usr/local/lib/php.ini
Edited httpd.conf added:
Alias   /php/   /home/httpd/php/
and
AddType application/x-httpd-php .php
AddType application/x-httpd-php-source .phps

This also works great, and php test files also work. BUT here is where
my problem is: 'httpd -l' lists mod_php4.c in the output list of
installed modules. But now my previous installation of perl and its
traces from the httpd binary have been lost. Is there something i can do
to tell the php installation not to overwrite the perl installation ? or
what am i doing wrong ?? ie i want perl and php supported in the same
httpd binary but at the moment it only lets me do one or the other.
Sorry bout the lenght, Thanks

Regards.