1 dnl bsd_sockets.m4--which socket libraries do we need?
4 dnl $Id: bsd_sockets.m4,v 1.10 2005/04/26 19:14:07 shadow Exp $
6 dnl Hacked on by Rob Earhart to not just toss stuff in LIBS
7 dnl It now puts everything required for sockets into LIB_SOCKET
9 AC_DEFUN([CMU_SOCKETS], [
12 AC_CHECK_FUNC(connect, :,
13 AC_CHECK_LIB(nsl, gethostbyname,
14 LIB_SOCKET="-lnsl $LIB_SOCKET")
15 AC_CHECK_LIB(socket, connect,
16 LIB_SOCKET="-lsocket $LIB_SOCKET")
18 LIBS="$LIB_SOCKET $save_LIBS"
19 AC_CHECK_FUNC(res_search, :,
20 LIBS="-lresolv $LIB_SOCKET $save_LIBS"
22 #include <sys/types.h>
23 #include <netinet/in.h>
24 #include <arpa/nameser.h>
25 #ifdef HAVE_ARPA_NAMESER_COMPAT_H
26 #include <arpa/nameser_compat.h>
28 #include <resolv.h>]],[[
29 const char host[12]="openafs.org";
31 res_search( host, C_IN, T_MX, (u_char *)&ans, sizeof(ans));
33 ]], LIB_SOCKET="-lresolv $LIB_SOCKET")
35 LIBS="$LIB_SOCKET $save_LIBS"
36 AC_CHECK_FUNCS(dn_expand dns_lookup)