mpack-1.6-4/cmulocal/bsd_sockets.m4

dnl bsd_sockets.m4--which socket libraries do we need? 
dnl Derrick Brashear
dnl from Zephyr
dnl $Id: bsd_sockets.m4,v 1.8 2002/05/25 19:57:41 leg Exp $

dnl Hacked on by Rob Earhart to not just toss stuff in LIBS
dnl It now puts everything required for sockets into LIB_SOCKET

AC_DEFUN(CMU_SOCKETS, [
        save_LIBS="$LIBS"
        LIB_SOCKET=""
        AC_CHECK_FUNC(connect, :,
                AC_CHECK_LIB(nsl, gethostbyname,
                             LIB_SOCKET="-lnsl $LIB_SOCKET")
                AC_CHECK_LIB(socket, connect,
                             LIB_SOCKET="-lsocket $LIB_SOCKET")
        )
        LIBS="$LIB_SOCKET $save_LIBS"
        AC_CHECK_FUNC(res_search, :,
                AC_CHECK_LIB(resolv, res_search,
                              LIB_SOCKET="-lresolv $LIB_SOCKET") 
        )
        LIBS="$LIB_SOCKET $save_LIBS"
        AC_CHECK_FUNCS(dn_expand dns_lookup)
        LIBS="$save_LIBS"
        AC_SUBST(LIB_SOCKET)
        ])
1	dnl bsd_sockets.m4--which socket libraries do we need?
2	dnl Derrick Brashear
3	dnl from Zephyr
4	dnl $Id: bsd_sockets.m4,v 1.8 2002/05/25 19:57:41 leg Exp $
5
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
8
9	AC_DEFUN(CMU_SOCKETS, [
10	save_LIBS="$LIBS"
11	LIB_SOCKET=""
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 $LIB_SOCKET")
17	)
18	LIBS="$LIB_SOCKET $save_LIBS"
19	AC_CHECK_FUNC(res_search, :,
20	AC_CHECK_LIB(resolv, res_search,
21	LIB_SOCKET="-lresolv $LIB_SOCKET")
22	)
23	LIBS="$LIB_SOCKET $save_LIBS"
24	AC_CHECK_FUNCS(dn_expand dns_lookup)
25	LIBS="$save_LIBS"
26	AC_SUBST(LIB_SOCKET)
27	])