xhost: Changes to 'master'

[Alan Coopersmith]

 configure.ac |    5 +++++
 1 file changed, 5 insertions(+)

New commits:
commit f224c62b89e484ef2fff8499d329e9aeae1c3529
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Fri Dec 27 11:01:35 2013 -0800

    Add AC_USE_SYSTEM_EXTENSIONS to expose non-standard extensions
    
    Required on Solaris to expose definitions in system headers that
    are not defined in the XPG standards now that xtrans 1.3 defines
    _XOPEN_SOURCE to 600 on Solaris.
    
    Fixes build failures:
    In file included from /usr/include/rpc/rpcb_clnt.h:34:0,
                     from /usr/include/rpc/rpc.h:49,
                     from xhost.c:98:
    /usr/include/rpc/rpcb_prot.h:159:3: error: unknown type name ‘u_int’
    /usr/include/rpc/rpcb_prot.h:195:3: error: unknown type name ‘u_int’
    /usr/include/rpc/rpcb_prot.h:223:2: error: unknown type name ‘u_int’
    /usr/include/rpc/rpcb_prot.h:476:1: error: unknown type name ‘u_int’
    /usr/include/rpc/rpcb_prot.h:489:1: error: unknown type name ‘u_int’
    
    xhost.c: In function ‘change_host’:
    xhost.c:554:11: error: ‘INET6_ADDRSTRLEN’ undeclared (first use in this function)
    xhost.c:554:11: note: each undeclared identifier is reported only once for each function it appears in
    
    xhost.c: In function ‘get_hostname’:
    xhost.c:665:23: error: ‘NI_MAXHOST’ undeclared (first use in this function)
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
    Reviewed-by: Daniel Stone <daniel at fooishbar.org>