1 # canon-host.m4 serial 3
2 dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
3 dnl This file is free software, distributed under the terms of the GNU
4 dnl General Public License. As a special exception to the GNU General
5 dnl Public License, this file may be distributed as part of a program
6 dnl that contains a configuration script generated by Autoconf, under
7 dnl the same distribution terms as the rest of that program.
9 AC_DEFUN([gl_CANON_HOST],
11 dnl Prerequisites of lib/canon-host.c.
12 AC_CHECK_HEADERS_ONCE(unistd.h)
13 AC_CHECK_HEADERS(netdb.h sys/socket.h netinet/in.h arpa/inet.h)
15 dnl Add any libraries as early as possible.
16 dnl In particular, inet_ntoa needs -lnsl at least on Solaris 2.5.1,
17 dnl so we have to add -lnsl to LIBS before checking for that function.
18 AC_SEARCH_LIBS(gethostbyname, [inet nsl])
20 dnl These come from -lnsl on Solaris 2.5.1.
21 AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)