>Build the src.rpm on your own system using "rpm --rebuild". The results won't require glibc 2.7. Thanks for your time and help Gordon. I rebuild it on centos 5.5, it works like a charm :D Step1:download nasm src.rpm from official site Step2:install ghostscript/texinfo from yum Step3:rpm -I --momd5 nasm src.rpm Step4:rpmbuild -bb nasm.spec NamoBhagavan Max Haann