Apache 1.3.29.0.1-3 Installation failed

["B. Liu" <bl246@hermes.cam.ac.uk>]

I updated apache from stable to unstable 1.3.29.0.1-3, and failed to
install ths unstable version. The error message is:

Setting up apache (1.3.29.0.1-3) ...
Error: libphp4.so does not have a corresponding .info file.
Error: the above error list does not permit a safe use of modules-config.
Please refer to the documentation on how to fix it or report it to
Debian Apache Maling List <debian-apache@lists.debian.org> if in doubt
on how to proceed
dpkg: error processing apache (--configure):
 subprocess post-installation script returned error exit status 1
Setting up libapache-mod-perl (1.29.0.1-3) ...
Error: libphp4.so does not have a corresponding .info file.
Error: the above error list does not permit a safe use of modules-config.
Please refer to the documentation on how to fix it or report it to
Debian Apache Maling List <debian-apache@lists.debian.org> if in doubt
on how to proceed
dpkg: error processing libapache-mod-perl (--configure):
 subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of apache-perl:
 apache-perl depends on libapache-mod-perl (>= 1.29.0.1-3); however:
  Package libapache-mod-perl is not configured yet.
 apache-perl depends on libapache-mod-perl (<< 1.30); however:
  Package libapache-mod-perl is not configured yet.
dpkg: error processing apache-perl (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 apache
 libapache-mod-perl
 apache-perl

regards

Bin