I have tested Embperl successfully
perl5.004_04
perl5.005_03
perl5.6.0
perl5.6.1
perl5.8.5
apache_1.3.0 - apache_1.3.31, apache 2.0.50
apache_ssl (Ben SSL)
Stronghold 2.2
Stronghold 2.4.1
Apache_1.3.x with mod_ssl 2.x.x
I know from other people that it works on many other UNIX systems
perl5.005
perl5.8.x
apache_1.3.0 - apache_1.3.31
perl5.004_02 (binary distribution, only Offline Mode)
perl5.005_02 + apache_1.3.6