silc dependencies?

[Craig Hall]

Having problems installing on 64-bit Oracle Enterprise Linux 5.3 (A RedHat
variant)
Linux localhost 2.6.18-128.1.14.0.1.el5 #1 SMP Tue Jun 16 19:44:55 EDT 2009
x86_64 x86_64 x86_64 GNU/Linux

where do I find the "*silc*' dependencies?

=======================

[root at otm ~]# yum install pidgin
Loaded plugins: security
Setting up Install Process
Parsing package install arguments
Resolving Dependencies
--> Running transaction check
---> Package pidgin.x86_64 0:2.6.1-0.el5 set to be updated
--> Processing Dependency: libpurple = 2.6.1 for package: pidgin
--> Processing Dependency: perl(Purple) for package: pidgin
--> Processing Dependency: libpurple.so.0()(64bit) for package: pidgin
--> Processing Dependency: libgtkspell.so.0()(64bit) for package: pidgin
--> Running transaction check
---> Package libpurple.x86_64 0:2.6.1-0.el5 set to be updated
--> Processing Dependency: cyrus-sasl-md5 for package: libpurple
--> Processing Dependency: libsilc-1.0.so.2()(64bit) for package: libpurple
--> Processing Dependency: libsilcclient-1.0.so.1()(64bit) for package:
libpurple
---> Package gtkspell.x86_64 0:2.0.11-2.1 set to be updated
--> Running transaction check
---> Package cyrus-sasl-md5.x86_64 0:2.1.22-4 set to be updated
---> Package libpurple.x86_64 0:2.6.1-0.el5 set to be updated
--> Processing Dependency: libsilc-1.0.so.2()(64bit) for package: libpurple
--> Processing Dependency: libsilcclient-1.0.so.1()(64bit) for package:
libpurple
--> Finished Dependency Resolution
libpurple-2.6.1-0.el5.x86_64 from pidgin has depsolving problems
  --> Missing Dependency: libsilcclient-1.0.so.1()(64bit) is needed by
package libpurple-2.6.1-0.el5.x86_64 (pidgin)
libpurple-2.6.1-0.el5.x86_64 from pidgin has depsolving problems
  --> Missing Dependency: libsilc-1.0.so.2()(64bit) is needed by package
libpurple-2.6.1-0.el5.x86_64 (pidgin)
Error: Missing Dependency: libsilcclient-1.0.so.1()(64bit) is needed by
package libpurple-2.6.1-0.el5.x86_64 (pidgin)
Error: Missing Dependency: libsilc-1.0.so.2()(64bit) is needed by package
libpurple-2.6.1-0.el5.x86_64 (pidgin)
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