Environment is Prefix Portage on SUSE 10 Enterprise SP1. Emerge of mit-krb5 fails with: emerge mit-krb5 ... emerge: there are no ebuilds to satisfy ">=sys-libs/glibc-2.6". (dependency required by "sys-libs/e2fsprogs-libs-1.41.4" [ebuild]) (dependency required by "app-crypt/mit-krb5-1.6.3-r5" [ebuild]) (dependency required by "mit-krb5" [argument]) In an older Prefix Portage tree, dated 2009-03-13, it is however possible to emerge mit-krb5. The version that gets emerged in that tree is 1.6.3-r4.
conditionalised glibc dependency for prefix, thanks!