"sudo apt-get install libopenh323-dev" was run on Ubuntu 7.0 box
asterisk-1.4.18.1 was fetched via svn
/usr/src/asterisk/configure runs but reports I do not meet dependencies

configure:27553: checking if OpenH323 version 1.18.0 is compatible with chan_h323
configure:27560: result: yes
configure:27567: checking OpenH323 build option
configure:27614: result: opt
configure:27624: checking OpenH323 installation validity
configure:27666: g++ -o conftest -g -O2  -I/usr/share/openh323/include   conftest.cpp  -lopenh323 -L/usr/share/pwlib -lldap -llber
-lldap_r -lpthread -lsasl2 -lssl -lcrypto -lexpat -lresolv -ldl -lpt -lpt >&5
/usr/lib/gcc/i486-linux-gnu/4.1.3/../../../../lib/libopenh323.so: undefined reference to `PSafeObject::PSafeObject()'
collect2: ld returned 1 exit status
configure:27672: $? = 1