dnl Process this file with autoconf 2.x to produce a configure script.
AC_REVISION([$Id$])
AC_PREREQ(2.12)dnl                  Minimum Autoconf version required.
AC_INIT(gnuserv.c)
AC_CONFIG_HEADER(config.h)
AC_PROG_CC
AC_PROG_INSTALL
AC_C_CONST
AC_ARG_WITH_RESOLV
AC_ARG_ENABLE_XAUTH

AC_HEADER_STDC
AC_CHECK_HEADERS(string.h unistd.h)
AC_CHECK_HEADERS(sys/types.h sys/select.h sys/socket.h sys/time.h)
AC_CHECK_HEADERS(libintl.h sys/un.h)
AC_CHECK_HEADERS(sgtty.h bsd/sgtty.h)

dnl From xemacs-21.2.43/configure.in
dnl check for Unix98 socklen_t
AC_MSG_CHECKING(for socklen_t)
AC_TRY_COMPILE([
#include <sys/socket.h>
socklen_t x;
],[],[AC_MSG_RESULT(yes)],[
AC_TRY_COMPILE([
#include <sys/socket.h>
int accept (int, struct sockaddr *, size_t *);
],[],[
AC_MSG_RESULT(size_t)
AC_DEFINE(socklen_t,size_t)], [
AC_MSG_RESULT(int)
AC_DEFINE(socklen_t,int)])])

AC_CHECK_SIZEOF(long, 32)

AC_HAVE_XAUTH
AC_CHECK_LIB(socket, socket)
AC_CHECK_LIB(nsl, inet_ntoa)
AC_CHECK_LIB(intl, gettext)
AC_USE_RESOLV

AC_CHECK_FUNCS(getcwd memcmp)

AC_ARG_ENABLE(internet-domain-sockets,
	[  --disable-internet-domain-sockets
                          Do not use Internet domain sockets])

if test "$enable_internet_domain_sockets" != "no" ; then
AC_MSG_CHECKING([for internet-domain sockets])
AC_EGREP_CPP([yes],[
#include <sys/socket.h>
#ifdef AF_INET
yes
#endif
],
  [AC_DEFINE(HAVE_INTERNET_DOMAIN_SOCKETS)
   AC_MSG_RESULT(yes)],
  [AC_MSG_RESULT(no)])
fi

AC_ARG_ENABLE(internet-unix-sockets,
	[  --disable-unix-domain-sockets
                          Do not use Unix domain sockets])

if test "$enable_unix_domain_sockets" != "no" ; then
AC_MSG_CHECKING([for unix-domain sockets])
AC_EGREP_CPP(yes,[
#include <sys/socket.h>
#ifdef AF_UNIX
yes
#endif
],
  [AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
   AC_MSG_RESULT(yes)],
  [AC_MSG_RESULT(no)])
fi

AC_ARG_ENABLE(sysv-ipc,
	[  --disable-sysv-ipc
                          Do not use SYSV IPC])

if test "$enable_sysv_ipc" != "no" ; then
AC_CHECK_FUNCS(msgget,[AC_DEFINE(HAVE_SYSVIPC)])
fi

AC_OUTPUT(Makefile)