Command line: 

root@rtp-vm001:/home/jbrehm/php# pbuilder build --basetgz /var/cache/pbuilder/base-i386.tgz php5_5.2.5-3.dsc --build-results /home/jbrehm/php --debbuildopts "-d" --http-proxy ht
tp://proxy/

Errors:

dpkg-source: extracting php5 in php5-5.2.5
dpkg-source: unpacking php5_5.2.5.orig.tar.gz
dpkg-source: applying ./php5_5.2.5-3.diff.gz
 -> Building the package
dpkg-parsechangelog: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
debian: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
dpkg-buildpackage: source package is php5
dpkg-parsechangelog: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
debian: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
dpkg-buildpackage: source version is 5.2.5-3
dpkg-parsechangelog: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
debian: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
dpkg-buildpackage: source changed by Sean Finney <seanius@debian.org>
dpkg-architecture: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
dpkg-architecture: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
dpkg-buildpackage: host architecture i386
dpkg-buildpackage: source version without epoch 5.2.5-3
dpkg-checkbuilddeps: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
dpkg-architecture: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
dpkg-architecture: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
dpkg-architecture: warning: no utmp entry available and LOGNAME not defined; using uid of process (1234)
dpkg-checkbuilddeps: Unmet build dependencies: libdb4.6-dev libgmp3-dev libsasl2-dev quilt
dpkg-buildpackage: Build dependencies/conflicts unsatisfied; aborting.
dpkg-buildpackage: (Use -d flag to override.)
pbuilder: Failed autobuilding of package
 -> Aborting with an error
 -> unmounting dev/pts filesystem
 -> unmounting proc filesystem
 -> cleaning the build env
    -> removing directory /var/cache/pbuilder/build//30916 and its subdirectories
root@rtp-vm001:/home/jbrehm/php#