Oracle 10gR2 Installation Linking Problem

Greetings, OUI stalls with an error during the Linking Oracle step. Configuration is Intel Xeon Dual Core with a Linux 64 bits and Oracle 10gR2 Enterprise for x86_64 platforms here is the fragment of my installActions log (sorry, most in french) : INFO: /usr/bin/ld: skipping incompatible /home/oracle/product/10.2.0/db _1/lib//libctxs10.a when searching for