library problems with -CURRENT

[Lars Engels]

Hi all!

I just upgraded my 5.4-PRERELEASE notebook to -CURRENT.
Compilation and installation went fine, but when I try to start firefox,
gkrellm and even portupgrade I get the following error message:
/libexec/ld-elf.so.1: /usr/lib/libpthread.so.1: Undefined symbol
"i386_get_gsbase"

Is there something i have not spotted in UPDATING? 

System:  FreeBSD 6.0-CURRENT #5: Wed Apr 20 23:21:11 CEST 2005

TIA,

Lars