# configure.in - input to autoconf
#  
#  This file is
#    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
#
#  It is part of adns, which is
#    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
#    Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
#  
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2, or (at your option)
#  any later version.
#  
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#  
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software Foundation,
#  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 

AC_INIT([adns], [1.0-lyskom-server])
AC_CONFIG_HEADERS([src/config.h])
AM_INIT_AUTOMAKE([adns], [1.0])

AC_PROG_CC
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PATH_PROG([AR], [ar], [notfound], [$PATH$PATH_SEPARATOR/usr/ccs/bin])
AC_ARG_VAR([AR], [ar program to use])
[if test "$AR" = "notfound"; then]
    AC_MSG_ERROR([cannot find ``ar''])
[fi]

AC_CHECK_FUNCS(poll)
ADNS_C_GETFUNC(socket,socket)
ADNS_C_GETFUNC(inet_ntoa,nsl)

AC_MSG_CHECKING(for INADDR_LOOPBACK)
AC_CACHE_VAL(adns_cv_decl_inaddrloopback,[
 AC_TRY_COMPILE([
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
 ],[
  INADDR_LOOPBACK;
 ],
 adns_cv_decl_inaddrloopback=yes,
 adns_cv_decl_inaddrloopback=no)])
if test "$adns_cv_decl_inaddrloopback" = yes; then
 AC_MSG_RESULT(found)
else
 AC_MSG_RESULT([not in standard headers, urgh...])
 AC_CHECK_HEADER(rpc/types.h,[
  AC_DEFINE(HAVEUSE_RPCTYPES_H)
 ],[
  AC_MSG_ERROR([cannot find INADDR_LOOPBACK or rpc/types.h])
 ])
fi

ADNS_C_GETFUNC(inet_aton,resolv,[
 LIBS="-lresolv $LIBS";
 AC_MSG_WARN([inet_aton is in libresolv, urgh.  Must use -lresolv.])
])

AC_C_INLINE

ADNS_C_GCCATTRIB
AC_CHECK_HEADERS(sys/select.h)

AC_SUBST(WARNS)

if test "${GCC-no}" = yes; then
	WARNS="-Wall -Wmissing-prototypes -Wwrite-strings -Wstrict-prototypes -Wcast-qual -Wpointer-arith"
else
	WARNS=
fi

AH_VERBATIM([LYSKOM_ADNS_EVERYTHING],
[/* Include poll.h. */
#ifdef HAVE_POLL
#include <sys/poll.h>
#else
/* kludge it up */
struct pollfd { int fd; short events; short revents; };
#define POLLIN  1
#define POLLPRI 2
#define POLLOUT 4
#endif

/* GNU C attributes. */
#ifndef FUNCATTR
#ifdef HAVE_GNUC25_ATTRIB
#define FUNCATTR(x) __attribute__(x)
#else
#define FUNCATTR(x)
#endif
#endif

/* GNU C printf formats, or null. */
#ifndef ATTRPRINTF
#ifdef HAVE_GNUC25_PRINTFFORMAT
#define ATTRPRINTF(si,tc) format(printf,si,tc)
#else
#define ATTRPRINTF(si,tc)
#endif
#endif
#ifndef PRINTFFORMAT
#define PRINTFFORMAT(si,tc) FUNCATTR((ATTRPRINTF(si,tc)))
#endif

/* GNU C nonreturning functions, or null. */
#ifndef ATTRNORETURN
#ifdef HAVE_GNUC25_NORETURN
#define ATTRNORETURN noreturn
#else
#define ATTRNORETURN
#endif
#endif
#ifndef NONRETURNING
#define NONRETURNING FUNCATTR((ATTRNORETURN))
#endif

/* Combination of both the above. */
#ifndef NONRETURNPRINTFFORMAT
#define NONRETURNPRINTFFORMAT(si,tc) FUNCATTR((ATTRPRINTF(si,tc),ATTRNORETURN))
#endif

/* GNU C constant functions, or null. */
#ifndef ATTRCONST
#ifdef HAVE_GNUC25_CONST
#define ATTRCONST const
#else
#define ATTRCONST
#endif
#endif
#ifndef CONSTANT
#define CONSTANT FUNCATTR((ATTRCONST))
#endif

#ifdef HAVEUSE_RPCTYPES_H
#include <rpc/types.h>
#endif

#include <sys/types.h>

#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
])

AC_OUTPUT(Makefile src/Makefile client/Makefile)