the readdir64_r() implementation has a bug that causes subversion give strange error messages like: svn: Can't read directory '.': Address family not supported by protocol this is exactly the same as bug #217612 except that apr now uses readdir64_r() instead of readdir_r().
Created attachment 164054 [details, diff] 40_all_uClibc-svn-r19846-readdir64_r.patch patch from svn r19846 which should solve the issue.
Created attachment 164056 [details, diff] 40_all_uClibc-svn-r19846-readdir64_r.patch rebased patch that actually applies
queued in patchset http://sources.gentoo.org/gentoo/src/patchsets/uclibc/0.9.28.3/40_all_uClibc-svn-r19846-readdir64_r.patch?rev=1.1