2 dnl Copyright (C) 2008, 2010-2020 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
9 dnl Where are getservent(), setservent(), endservent(), getservbyname(),
10 dnl getservbyport() defined?
11 dnl Where are getprotoent(), setprotoent(), endprotoent(), getprotobyname(),
12 dnl getprotobynumber() defined?
13 dnl - On Solaris < 11.4, they are in libsocket. Ignore libxnet.
14 dnl - On Haiku, they are in libnetwork.
15 dnl - On BeOS, they are in libnet.
16 dnl - On native Windows, they are in ws2_32.dll.
17 dnl - Otherwise they are in libc.
18 AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H
21 AC_SEARCH_LIBS([getservbyname], [socket network net],
22 [if test "$ac_cv_search_getservbyname" != "none required"; then
23 SERVENT_LIB="$ac_cv_search_getservbyname"
26 if test -z "$SERVENT_LIB"; then
27 AC_CHECK_FUNCS([getservbyname], , [
28 AC_CACHE_CHECK([for getservbyname in winsock2.h and -lws2_32],
29 [gl_cv_w32_getservbyname],
30 [gl_cv_w32_getservbyname=no
36 #ifdef HAVE_WINSOCK2_H
41 [[getservbyname(NULL,NULL);]])],
42 [gl_cv_w32_getservbyname=yes])
45 if test "$gl_cv_w32_getservbyname" = "yes"; then
46 SERVENT_LIB="-lws2_32"
50 AC_SUBST([SERVENT_LIB])