Excerpts from Piyush P Kurur's message of Mo Aug 31 14:48:03 +0200 2009:
complaint was that they are not in the correct format. So I guess the following needs to be done.
1) Add libpoppler as a dependency to latex
you are right about this.
2) recompile libpoppler with latest gcc which ever it is.
this is what I don't understand: you write "they are not in the correct format" - who is they? which program complains? It's possibly the issue that's come up on the forums: if you get something like: --- This is TeX, Version .... Fatal format file error; I'm stymied --- then you need to run 'updmap --all' (as the user you get this error with). Alternatively, you can delete the user's local texlive generated formats 'rm ~/.texlive/texmf-var/web2c/*.fmt' (then the system-wide generated formats will be used, and they do get regenerated automatically on upgrade).