Relevant BUGIDs:

Relevant BUGIDs:

Purpose of commit: bugfix

Commit summary:
---------------

This makes Linux-PAM compile able with uClibc or on embedded systems
without full libc/libnsl.

2009-06-29  Thorsten Kukuk  <kukuk@thkukuk.de>

        * modules/pam_unix/yppasswd_xdr.c: Remove unnecessary header files.

        * modules/pam_unix/support.c (_unix_getpwnam): Only compile in NIS
        support if all necessary functions exist.

        * modules/pam_unix/pam_unix_passwd.c (getNISserver): Add debug
        option, handle correct if OS has no NIS support.

        * modules/pam_access/pam_access.c (netgroup_match): Check if
        yp_get_default_domain and innetgr are available at compile time.

        * configure.in: Check for functions: innetgr, getdomainname
        check for headers: rpcsvc/ypclnt.h, rpcsvc/yp_prot.h.