Excerpts from Carlos Quiros Campos's message of Mon Nov 23 14:46:56 +0100 2009:
  

Hi,

I have the following error while making kde base runtime 4.3.3:

[ 10%] Generating nie.h, nie.cpp
(Soprano::Redland::BackendPlugin) creating model of type "hashes" with 
options "hash-type='memory',contexts='yes'"
onto2vocabularyclass: symbol lookup error: 
/usr/lib/redland/librdf_storage_mysql.so: undefined symbol: 
librdf_storage_register_factory
make[2]: *** [nepomuk/strigibackend/nie.h] Error 127
make[1]: *** [nepomuk/strigibackend/CMakeFiles/sopranobackend.dir/all] 
Error 2
make: *** [all] Error 2
    

This is caused by a redland bug, which is fixed by SVN r15171 from
http://svn.librdf.org/repository/librdf/trunk. Your distro should
probably backport that if they're using redland 1.0.9.

HTH,
Ingmar