When built with --enable-static-nss, gethostbyname2() and functions that call 
it like getaddrinfo() will only do dns lookups and not try /etc/hosts like
gethostbyname() will.

__nss_lookup_function() for gethostbyname2() will try _nss_dns_gethostbyname2_r,
but not _nss_files_gethostbyname2_r.

I'm using an old 2.2.x version, but it appears missing in the code for 2.3.5 as
well.

Below patch will fix the problem:

--- old/nss/function.def 2002-02-21 16:57:50 -05:00
+++ new/nss/function.def 2005-11-22 15:40:48 -05:00
@@ -37,6 +37,7 @@
 DEFINE_ENT (files, host)
 DEFINE_GETBY (files, host, addr)
 DEFINE_GETBY (files, host, name)
+DEFINE_GETBY (files, host, name2)
 DEFINE_GET (files, hostton)
 DEFINE_GET (files, ntohost)
 DEFINE_GETBY (dns, host, addr)

------- Additional Comment #1 From Ulrich Drepper 2005-11-25 16:42 -------

Although it should not matter since static NSS is only meant for initial porting
I added the change.