--enable-so fixed it for me :)

I had the same problem with almost the same configuration as sean.blaes@hifi it.com

./configure --disable-libxml --disable-xml --disable-xmlreader --disable-xmlwriter --disable-dom --disable-simplexml --without-pear --with-gd --with-zlib-dir --with-jpeg-dir --disable-cgi --with-apxs2=/usr/local/apache2/bin/apxs --enable-so

Thanks