1 # canon-host.m4 serial 5
2 dnl Copyright (C) 2002, 2003, 2004 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.
7 AC_DEFUN([gl_CANON_HOST],
9 dnl Prerequisites of lib/canon-host.c.
10 AC_CHECK_HEADERS_ONCE(unistd.h)
11 AC_CHECK_HEADERS(netdb.h sys/socket.h netinet/in.h arpa/inet.h)
13 dnl Add any libraries as early as possible.
14 dnl In particular, inet_ntoa needs -lnsl at least on Solaris 2.5.1,
15 dnl so we have to add -lnsl to LIBS before checking for that function.
16 AC_SEARCH_LIBS(gethostbyname, [inet nsl])
18 dnl These come from -lnsl on Solaris 2.5.1.
19 AC_CHECK_FUNCS(getaddrinfo gethostbyname gethostbyaddr inet_ntoa)