hi, ( after reading http://groups.google.fr/group/comp.lang.ruby/browse_thread/thread/01b329d581fd1944 ) I tried to compile ruby-1.8.6-p368 for bfin-uclinux , but i got an Erreur: /usr/bfin-uclinux/ruby/ruby-1.8.6-p368/ruby.c:196: undefined reference to `_mblen' collect2: ld returned 1 exit status make[1]: *** [ruby] Erreur 1 Thanks