After this change of configure.ac
http://cool.haxx.se/cvs.cgi/curl/configure.ac.diff?r1=1.388&r2=1.389

curl builds on ubuntu 9.04 out of nightly source tarballs 20090206 and
20090208 configured --with-ssl=/usr/local/ssl are not linked against the
ssl version installed in /usr/local/ssl. The are linked against openssl
in /usr

curl --version:

curl 7.19.4-20090208 (i686-pc-linux-gnu) libcurl/7.19.4-20090208
OpenSSL/0.9.8g zlib/1.2.3.3 libidn/1.13
Received on 2009-02-08