Hello,<br><br>I&#39;m trying to install an application that uses libpqxx-2.6.9 on a   RHEL5.1 server, but I&#39;m not having much luck. It seems like redhat has brought the Fedora problems reported in this thread:<br><br><a href="http://pgfoundry.org/pipermail/libpqxx-general/2007-September/000011.html">
http://pgfoundry.org/pipermail/libpqxx-general/2007-September/000011.html</a><br><br>To their enterprise distribution. Since redhat doesn&#39;t provide any pre-built libpqxx packages, I need to compile and install it myself, but when linking to an application (for example, doing a &#39;make check&#39;), I get this error:
<br><br>test001.o: In function `pqxx::internal::PQAlloc&lt;pqxx::internal::result_data&gt;::freemem()&#39;: /root/downloads/libpqxx-2.6.9/test/../include/pqxx/result.hxx:65: undefined reference to `pqxx::internal::freemem_result_data(pqxx::internal::result_data*)&#39; /root/downloads/libpqxx-
2.6.9/test/../include/pqxx/result.hxx:65: undefined reference to `pqxx::internal::freemem_result_data(pqxx::internal::result_data*)&#39;<br>collect2: ld returned 1 exit status<br><br>So, it looks like that function isn&#39;t defined.. but when looking at 
result.o, I see this:<br><br>[root@solatis4 src]# objdump -t ./result.o | grep freemem_result_data<br>0000000000000f80 g     F .text  000000000000002c .hidden _ZN4pqxx8internal19freemem_result_dataEPNS0_11result_dataE<br>
[root@solatis4 src]#<br><br>So, as far as i can see,&nbsp;there&nbsp;is&nbsp;a&nbsp;function&nbsp;defined&nbsp;there that matches the parameters,&nbsp;so&nbsp;I&nbsp;have&nbsp;*no*&nbsp;idea&nbsp;why&nbsp;the&nbsp;linking&nbsp;doesn&#39;t&nbsp;work.&nbsp;I&nbsp;tried&nbsp;building&nbsp;the&nbsp;latest&nbsp;trunk&nbsp;version&nbsp;of&nbsp;pqxx,&nbsp;but&nbsp;that&nbsp;doesn&#39;t&nbsp;compile.
<br> <br>Anyone has any suggestions on what to do, and/or how to fix this ?<br clear="all"><br>Thanks in advance!<br><br>Regards,<br><br>Leon Mergen