Xen And Libc

i want install xen 64 bit

take this error :

---> Package xen-libs.i386 0:3.0.3-64.el5_2.1 set to be updated
--> Finished Dependency Resolution
Error: Missing Dependency: libutil.so.1()(64bit) is needed by package xen
Error: Missing Dependency: libz.so.1()(64bit) is needed by package xen
Error: Missing Dependency: libpthread.so.0()(64bit) is needed by package xen-libs
Error: Missing Dependency: libc.so.6(GLIBC_2.3.4)(64bit) is needed by package xen
Error: Missing Dependency: libz.so.1()(64bit) is needed by package xen-libs
Error: Missing Dependency: libpthread.so.0()(64bit) is needed by package xen
Error: Missing Dependency: libgnutls.so.13()(64bit) is needed by package xen
Error: Missing Dependency: libpthread.so.0(GLIBC_2.2.5)(64bit) is needed by package xen-libs
Error: Missing Dependency: libutil.so.1(GLIBC_2.2.5)(64bit) is needed by package xen
Error: Missing Dependency: libSDL-1.2.so.0()(64bit) is needed by package xen
Error: Missing Dependency: libcrypto.so.6()(64bit) is needed by package xen
Error: Missing Dependency: libc.so.6(GLIBC_2.3)(64bit) is needed by package xen
Error: Missing Dependency: librt.so.1()(64bit) is needed by package xen
Error: Missing Dependency: libc.so.6(GLIBC_2.4)(64bit) is needed by package xen
Error: Missing Dependency: librt.so.1(GLIBC_2.2.5)(64bit) is needed by package xen
Error: Missing Dependency: libc.so.6()(64bit) is needed by package xen-libs
Error: Missing Dependency: libc.so.6(GLIBC_2.2.5)(64bit) is needed by package xen-libs
Error: Missing Dependency: libpthread.so.0(GLIBC_2.2.5)(64bit) is needed by package xen
Error: Missing Dependency: libc.so.6(GLIBC_2.3)(64bit) is needed by package xen-libs
Error: Missing Dependency: libncurses.so.5()(64bit) is needed by package xen
Error: Missing Dependency: libpthread.so.0(GLIBC_2.3.2)(64bit) is needed by package xen-libs
Error: Missing Dependency: libgnutls.so.13(GNUTLS_1_3)(64bit) is needed by package xen
Error: Missing Dependency: libc.so.6()(64bit) is needed by package xen
Error: Missing Dependency: libc.so.6(GLIBC_2.2.5)(64bit) is needed by package xen
Error: Missing Dependency: libm.so.6()(64bit) is needed by package xen

i using of this tutorials : [url]