dnl process this file with GNU autoconf to produce a configure script.
dnl
dnl jmason 23 dec 94 -- fixed union wait and sys_errlist checks
dnl Patrick Powell Fri Jul  7 21:08:48 PDT 1995
dnl $Id: configure.in,v 2.2 1997/02/05 22:35:25 papowell Exp $
dnl  Original version from PLP4.0 Release

AC_INIT(Makefile.in)
AC_CONFIG_AUX_DIR(.)
AC_CANONICAL_SYSTEM
AC_CONFIG_HEADER(config.h)
AC_PREFIX_DEFAULT(/usr/local)
AC_SUBST(INSTALL)
AC_SUBST(INSTALL_MAN)
AC_SUBST(SHELL)
AC_SUBST(CPP)
AC_SUBST(CFLAGS)
AC_SUBST(LDCC)


dnl ----------------------------------------------------------------------------
dnl -----------   C compiler checks    -----------------------------------------
AC_PROG_CC

if test $ac_cv_prog_gcc = yes; then
cat >conftest.c <<EOF
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
yes;
#endif
EOF
   if ${CC-cc} -E conftest.c | egrep yes >/dev/null 2>&1; then
       gcc -v
               echo "WARNING: gcc -O (version 2.4.5 and below) produces incorrect code"
               echo "  for lpd.c and other large routines."
               CFLAGS="`echo ${CFLAGS} | sed s/-O//`"
       fi;
       CFLAGS="${CFLAGS} -Wall"
       echo "using CFLAGS=${CFLAGS}"
fi;

dnl ----------------------------------------------------------------------------
dnl ------------   OS Checks  --------------------------------------------------
AC_ISC_POSIX
AC_MINIX
AC_AIX

changequote(, )dnl
version=`echo $target_os | sed -e 's/[^0-9][^0-9]*//' -e 's/\.//g'`
changequote([, ])dnl
echo "Target is $target, arch $target_cpu, os $target_os, version $version"
AC_DEFINE_UNQUOTED(ARCHITECTURE,"$target_cpu")

LDCC="$CC"
checklibs=
case $target_os in
        bsdi* )
               LDCC=shlicc
               ;;
        unicos* )
               checklibs=no
               ;;
        irix6* )
               checklibs=no
               AC_DEFINE_UNQUOTED(IRIX,$version)
               LIBS="$LIBS -lcurses"
               ;;
        irix5* )
               AC_DEFINE(HAVE_BROKEN_TIOCEXCL)
               AC_DEFINE(SVR4)
               AC_DEFINE_UNQUOTED(IRIX,$version)
               LIBS="$LIBS -lcurses"
               checklibs=no
               ;;
        irix* )
               AC_DEFINE_UNQUOTED(IRIX,$version)
               LIBS="$LIBS -ltermcap"
               checklibs=no
               ;;
       solaris* )
               AC_DEFINE(SVR4)
               AC_DEFINE_UNQUOTED(SOLARIS,$version)
               ;;
       hpux* )
               AC_DEFINE(_HPUX_SOURCE)
               CFLAGS="$CFLAGS -D_HPUX_SOURCE=1"
               AC_DEFINE_UNQUOTED(HPUX,$version)
               ;;
       sunos* )
               AC_DEFINE_UNQUOTED(SUNOS,$version)
               ;;
esac

dnl if egrep _HPUX_SOURCE /usr/include/sys/types.h > /dev/null 2>&1 ; then
dnl     # HP/UX support (kludgety kludge!)
dnl     AC_DEFINE(_HPUX_SOURCE)
dnl     CFLAGS="$CFLAGS -D_HPUX_SOURCE=1"
dnl fi

dnl these must be before anything that links.


dnl check to see if we suppress probing for libraries
dnl this is done by using the checklibs variable

if test -z "$checklibs"; then

       dnl BSDI uses this for setproctitle
       AC_CHECK_LIB(util, setproctitle, [LIBS="$LIBS -lutil"])

       dnl A/UX uses this...
       AC_CHECK_LIB(posix, getpwent, [LIBS="$LIBS -lposix"])

       dnl use old-style shared libs if we have 'em.
       AC_CHECK_LIB(socket_s, socket, [LIBS="$LIBS -lsocket_s"; have_socket=1], ,-lnsl)
       if test -z "$have_socket"; then
               AC_CHECK_LIB(socket, socket, [LIBS="$LIBS -lsocket"], , -lnsl)
       fi

       AC_CHECK_LIB(nsl_s, gethostbyaddr, [LIBS="$LIBS -lnsl_s"; have_nsl=1])
       if test -z "$have_nsl"; then
               AC_CHECK_LIB(nsl, gethostbyaddr, [LIBS="$LIBS -lnsl"])
       fi

       AC_CHECK_LIB(net_s, gethostbyaddr, [LIBS="$LIBS -lnet_s"; have_net=1])
       if test -z "$have_net"; then
               AC_CHECK_LIB(net, gethostbyaddr, [LIBS="$LIBS -lnet"])
       fi

       dnl IRIX 4 uses these... NIS calls, shared C lib
       AC_CHECK_LIB(sun, getpwnam, [LIBS="$LIBS -lsun"])
       AC_CHECK_LIB(c_s, atoi, [LIBS="$LIBS -lc_s"])

       dnl Kerberos V
       AC_CHECK_LIB(krb5, krb5_init_context,
               [LIBS="$LIBS -lkrb5 -lcrypto -lcom_err"], , -lcrypto -lcom_err)

       dnl this should solve problems of missing termlib, termcap
       dnl libraries.  Note that there may be some conflicts if both
       dnl termcap and termlib are both included, but this is not
       dnl supposed to be the case - only one will get resolved
       TERMLIB=
       AC_CHECK_LIB(termlib, tgetent, [LIBS="$LIBS -ltermlib"; TERMLIB=yes])
       if test -z "$TERMLIB" ; then
       AC_CHECK_LIB(termcap, tgetent, [LIBS="$LIBS -ltermcap"; TERMLIB=yes])
       fi;
       if test -z "$TERMLIB" ; then
       AC_CHECK_LIB(curses, tgetent, [LIBS="$LIBS -lcurses"; TERMLIB=yes])
       fi;
fi
dnl **** end library checks

AC_C_CONST
AC_C_INLINE

AC_HEADER_STDC
AC_HEADER_DIRENT
AC_HEADER_SYS_WAIT
AC_HEADER_TIME

dnl typedefs:
AC_TYPE_SIGNAL
AC_TYPE_UID_T
AC_TYPE_SIZE_T
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T

dnl ----------------------------------------------------------------------------
dnl headers:

AC_CHECK_HEADERS(sys/types.h)
AC_CHECK_HEADERS(a.out.h a_out.h aouthdr.h ar.h arpa/inet.h arpa/nameser.h)
AC_CHECK_HEADERS(assert.h com_err.h compat.h ctype.h curses.h dirent.h)
AC_CHECK_HEADERS(errno.h exechdr.h fcntl.h filehdr.h grp.h krb5.h)
AC_CHECK_HEADERS(limits.h locale.h machine/vmparam.h malloc.h memory.h ndir.h)
AC_CHECK_HEADERS(netdb.h netinet/in.h nlist.h pwd.h reloc.h resolv.h)
AC_CHECK_HEADERS(setjmp.h sgs.h sgtty.h signal.h stab.h stdarg.h)
AC_CHECK_HEADERS(stdio.h stdlib.h string.h strings.h sys/dir.h sys/exec.h)
AC_CHECK_HEADERS(sys/exechdr.h sys/fcntl.h sys/file.h sys/ioctl.h sys/loader.h)
AC_CHECK_HEADERS(sys/mount.h sys/ndir.h sys/param.h sys/pstat.h sys/resource.h)
AC_CHECK_HEADERS(sys/select.h sys/socket.h sys/stat.h sys/statfs.h sys/statvfs.h)
AC_CHECK_HEADERS(sys/syslog.h sys/systeminfo.h sys/termio.h sys/time.h sys/ttold.h)
AC_CHECK_HEADERS(sys/ttycom.h sys/utsname.h sys/vfs.h sys/wait.h syslog.h)
AC_CHECK_HEADERS(term.h termcap.h termio.h termios.h time.h unistd.h)
AC_CHECK_HEADERS(utsname.h varargs.h vmparam.h)

dnl ----------------------------------------------------------------------------
dnl function checks:

AC_CHECK_FUNCS(cfsetispeed fcntl flock gethostbyname2 getdtablesize)
AC_CHECK_FUNCS(gethostname getrlimit inet_aton inet_ntop inet_pton)
AC_CHECK_FUNCS(innetgr killpg lockf mkstemp)
AC_CHECK_FUNCS(mktemp openlog seteuid setpgid setproctitle)
AC_CHECK_FUNCS(setresuid setreuid setsid sigaction)
AC_CHECK_FUNCS(sigprocmask sigsetjmp socketpair strcasecmp)
AC_CHECK_FUNCS(strchr strdup strerror strncasecmp sysinfo)
AC_CHECK_FUNCS(tcflush tcsetattr uname wait3 waitpid)

if test ! "$ac_cv_func_setreuid" = yes -a ! "$ac_cv_func_seteuid" = yes -a ! "$ac_cv_func_setresuid" = yes; then
       echo "WARNING: missing setreuid(), seteuid(), and setresuid()"
fi

AC_FUNC_VFORK
AC_FUNC_VPRINTF


dnl ----------------------------------------------------------------------------

AC_MSG_CHECKING(how to manipulate tty attributes)
AC_CACHE_VAL(ac_cv_struct_term,
[

if test "$ac_cv_header_termios_h" = yes; then
       ac_cv_struct_term=termios
fi
if test "$ac_cv_header_sys_termios_h" = yes; then
       ac_cv_struct_term=termios
fi

dnl test to see if we need to compile
if test -z "$ac_cv_struct_term" ; then
AC_TRY_COMPILE([
#ifdef HAVE_TERMIO_H
#include <termio.h>
#endif
#ifdef HAVE_SYS_TERMIO_H
#include <sys/termio.h>
#endif],[struct termio t;t.c_iflag = 0],
ac_cv_struct_term=termio)
fi

dnl now you have determined if you have termio
if test -z "$ac_cv_struct_term" ; then
   AC_TRY_COMPILE([#include <sgtty.h>],[
   struct sgttyb s;s.sg_flags = 0],
   ac_cv_struct_term=sgttyb)
fi
if test -z "$ac_cv_struct_term" ; then
       ac_cv_struct_term=UNDEFINED
fi
])
AC_MSG_RESULT(using $ac_cv_struct_term)

if test "$ac_cv_struct_term" = "sgttyb"; then
       AC_DEFINE(USE_SGTTYB)
       AC_DEFINE(USE_STTY,SGTTYB)
fi
if test "$ac_cv_struct_term" = "termio"; then
       AC_DEFINE(USE_TERMIO)
       AC_DEFINE(USE_STTY,TERMIO)
fi
if test "$ac_cv_struct_term" = "termios"; then
       AC_DEFINE(USE_TERMIOS)
       AC_DEFINE(USE_STTY,TERMIOS)
fi

dnl ----------------------------------------------------------------------------

AC_MSG_CHECKING(checking for struct exec)
AC_CACHE_VAL(ac_cv_struct_exec,
[
ac_cv_struct_exec=no
if test "$ac_cv_header_a_out_h" != no ; then
 AC_TRY_COMPILE([
#include <sys/types.h>
#include <a.out.h>],[struct exec b; b.a_text = 0],
       ac_cv_struct_exec=yes, ac_cv_struct_exec=no )
fi
])
AC_MSG_RESULT($ac_cv_struct_exec)
if test $ac_cv_struct_exec = yes; then
 AC_DEFINE(HAVE_STRUCT_EXEC)
fi

dnl ----------------------------------------------------------------------------

AC_MSG_CHECKING(how to get filesystem free space)

AC_CACHE_VAL(ac_cv_struct_fstype,
[
fstype=

dnl do this check if statvfs is a valid function
if test "$ac_cv_func_statvfs" != no ; then              #{
 AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/param.h>
#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_STATFS_H
# include <sys/statfs.h>
#endif

#ifdef HAVE_SYS_MOUNT_H
# include <sys/mount.h>
#endif
#ifdef HAVE_SYS_VFS_H
# include <sys/vfs.h>
#endif],[struct statvfs s; statvfs ("/", &s); return(s.f_bavail+s.f_bsize)],
 fstype=statvfs)
fi                                                      #}

dnl do these checks if statfs is a valid function

if test "$ac_cv_func_statfs" != no ; then               #{
 if test -z "$fstype" ; then                           #{
   AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/param.h>
#ifdef HAVE_SYS_STATFS_H
# include <sys/statfs.h>
#endif

#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
# include <sys/mount.h>
#endif
#ifdef HAVE_SYS_VFS_H
# include <sys/vfs.h>
#endif],[struct fs_data s; return(s.fd_bfree+s.fd_bsize)],
   fstype=Ultrix-statfs)
 fi                                                    #}

 if test -z "$fstype" ; then                           #{
   AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/param.h>
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif],[struct statfs s; return(s.f_bavail+s.f_bsize)],
   fstype=statfs)
 fi                                                    # }

 if test -z "$fstype" ; then                           # {
   AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/param.h>
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif],[struct statfs s; return(s.f_bfree+s.f_bsize)],
   fstype=SVR3-statfs)
 fi                                                    # }
fi                                                      # }

if test -z "$fstype" ; then
   echo "cannot find a valid statfs-like structure!"
       fstype=UNKNOWN
fi

ac_cv_struct_fstype=$fstype

])

AC_MSG_RESULT(using $ac_cv_struct_fstype)

if test "$ac_cv_struct_fstype" = SVR3-statfs; then
       AC_DEFINE(USE_STATFS_TYPE,SVR3_STATFS)
fi
if test "$ac_cv_struct_fstype" = Ultrix-statfs; then
       AC_DEFINE(USE_STATFS_TYPE,ULTRIX_STATFS)
fi
if test "$ac_cv_struct_fstype" = statfs; then
       AC_DEFINE(USE_STATFS_TYPE,STATFS)
fi
if test "$ac_cv_struct_fstype" = statvfs; then
       AC_DEFINE(USE_STATFS_TYPE,STATVFS)
fi

dnl ----------------------------------------------------------------------------
dnl
AC_MSG_CHECKING(for errno declaration)
AC_CACHE_VAL(ac_cv_decl_errno,
[AC_TRY_COMPILE([#include <errno.h>
#include <stdio.h>],[printf("%d",errno);],
       ac_cv_decl_errno=yes, ac_cv_decl_errno=no)
])
AC_MSG_RESULT($ac_cv_decl_errno)
if test $ac_cv_decl_errno = yes; then
       AC_DEFINE(HAVE_ERRNO_DECL)
fi;

AC_MSG_CHECKING(for sys_nerr)
AC_CACHE_VAL(ac_cv_decl_sys_nerr,
[AC_TRY_LINK(,[extern int sys_nerr; return (sys_nerr);],
       ac_cv_decl_sys_nerr=yes, ac_cv_decl_sys_nerr=no)
])
AC_MSG_RESULT($ac_cv_decl_sys_nerr)
if test $ac_cv_decl_sys_nerr = yes; then
       AC_DEFINE(HAVE_SYS_NERR)
fi;

AC_MSG_CHECKING(for sys_nerr declaration)
AC_CACHE_VAL(ac_cv_decl_sys_nerr_def,
[AC_TRY_COMPILE([
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif],[printf("%d",sys_nerr);],
ac_cv_decl_sys_nerr_def=yes, ac_cv_decl_sys_nerr_def=no)
])
AC_MSG_RESULT($ac_cv_decl_sys_nerr_def)
if test $ac_cv_decl_sys_nerr_def = yes; then
   AC_DEFINE(HAVE_SYS_NERR_DEF)
fi

AC_MSG_CHECKING(for sys_errlist array)
AC_CACHE_VAL(ac_cv_decl_sys_errlist,
[AC_TRY_LINK(,[extern char *sys_errlist[];
       sys_errlist[0];],
       ac_cv_decl_sys_errlist=yes, ac_cv_decl_sys_errlist=no)
])
AC_MSG_RESULT($ac_cv_decl_sys_errlist)
if test $ac_cv_decl_sys_errlist = yes; then
       AC_DEFINE(HAVE_SYS_ERRLIST)
fi

AC_MSG_CHECKING(for sys_errlist declaration)
AC_CACHE_VAL(ac_cv_decl_sys_errlist_def,
[AC_TRY_COMPILE([
#include <stdio.h>
#include <errno.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif],[printf("%s",sys_errlist[0]);],
ac_cv_decl_sys_errlist_def=yes, ac_cv_decl_sys_errlist_def=no)
])
AC_MSG_RESULT($ac_cv_decl_sys_errlist_def)
if test $ac_cv_decl_sys_errlist_def = yes; then
   AC_DEFINE(HAVE_SYS_ERRLIST_DEF)
fi


AC_MSG_CHECKING(for setproctitle declaration)
AC_CACHE_VAL(ac_cv_decl_setproctitle_def,
[AC_TRY_COMPILE([
#include <stdio.h>
#include <errno.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif],[printf("%s",setproctitle);],
ac_cv_decl_setproctitle_def=yes, ac_cv_decl_setproctitle_def=no)
])
AC_MSG_RESULT($ac_cv_decl_setproctitle_def)
if test $ac_cv_decl_setproctitle_def = yes; then
   AC_DEFINE(HAVE_SETPROCTITLE_DEF)
fi


dnl ----------------------------------------------------------------------------
dnl sys_siglist array (list of signals)

AC_MSG_CHECKING(for sys_siglist array)
AC_CACHE_VAL(ac_cv_decl_sys_siglist,
[AC_TRY_LINK(,[extern char *sys_siglist[]; printf("%s",sys_siglist[0]);],
       ac_cv_decl_sys_siglist=yes, ac_cv_decl_sys_siglist=no)
])
AC_MSG_RESULT($ac_cv_decl_sys_siglist)
if test $ac_cv_decl_sys_siglist = yes; then
       AC_DEFINE(HAVE_SYS_SIGLIST)
fi

AC_MSG_CHECKING(for sys_siglist declaration)
AC_CACHE_VAL(ac_cv_decl_sys_siglist_def,
[AC_TRY_COMPILE([
#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <signal.h>],[printf("%s",sys_siglist[0]);],
ac_cv_decl_sys_siglist_def=yes, ac_cv_decl_sys_siglist_def=no)
])
AC_MSG_RESULT($ac_cv_decl_sys_siglist_def)
if test $ac_cv_decl_sys_siglist_def = yes; then
   AC_DEFINE(HAVE_SYS_SIGLIST_DEF)
fi

dnl ----------------------------------------------------------------------------
dnl check to see if you have getpgrp(0) or getpgrp()
dnl
dnl POSIX `getpgrp(void)'  define HAVE_GETPGRP_0
dnl BSD   `getpgrp(int)' - takes 0 as argument
dnl                        define HAVE_GETPGRP_0 0

dnl check to see if you have getpgrp(0) or getpgrp()

AC_MSG_CHECKING(for getprgp() or getpgrp(0) form)
AC_CACHE_VAL(ac_cv_func_getpgrp_0,
[AC_TRY_COMPILE([
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif],[getpgrp(0);],
ac_cv_func_getpgrp_0=getpgrp_0, ac_cv_func_getpgrp_0=getpgrp)
])
AC_MSG_RESULT($ac_cv_func_getpgrp_0)
if test "$ac_cv_func_getpgrp_0" = getpgrp_0; then
AC_DEFINE(HAVE_GETPGRP_0,0)
else
AC_DEFINE(HAVE_GETPGRP_0,)
fi

dnl ----------------------------------------------------------------------------
dnl check to see if you have setpgrp(n,m) or setpgrp()

AC_MSG_CHECKING(for setprgp form)
AC_CACHE_VAL(ac_cv_func_setpgrp_0,
[AC_TRY_COMPILE([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
],[setpgrp(0,0);],
       ac_cv_func_setpgrp_0=setpgrp_0, ac_cv_func_setpgrp_0=setpgrp)
])
AC_MSG_RESULT($ac_cv_func_setpgrp_0)
if test $ac_cv_func_setpgrp_0 = setpgrp_0; then
       AC_DEFINE(HAVE_SETPGRP_0)
fi

dnl ----------------------------------------------------------------------------
dnl just for (really) backwards compatibility
dnl we really try not to use union wait -- it's heinously unportable.
dnl nicked this check from Tcl as well. ;)
dnl
dnl The check below checks whether <sys/wait.h> defines the type
dnl "union wait" correctly.  It's needed because of weirdness in
dnl HP-UX where "union wait" is defined in both the BSD and SYS-V
dnl environments.  Checking the usability of WIFEXITED seems to do
dnl the trick.

AC_MSG_CHECKING(for obsolete union wait compatibility)
AC_CACHE_VAL(ac_cv_unionwait,
[
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/wait.h>], [union wait x;WIFEXITED(x);],
ac_cv_unionwait=yes, ac_cv_unionwait=no)
])
AC_MSG_RESULT($ac_cv_unionwait)
if test $ac_cv_unionwait = yes; then
       AC_DEFINE(HAVE_UNION_WAIT)
fi

dnl ----------------------------------------------------------------------------
dnl Would you believe the gethostname declarations are broken on some machines
dnl ----------------------------------------------------------------------------
AC_MSG_CHECKING(for gethostname declaration)
AC_CACHE_VAL(ac_cv_decl_gethostname_def,
[AC_TRY_COMPILE([
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif],[printf("%d",gethostname);],
ac_cv_decl_gethostname_def=yes, ac_cv_decl_gethostname_def=no)
])
AC_MSG_RESULT($ac_cv_decl_gethostname_def)
if test $ac_cv_decl_gethostname_def = yes; then
   AC_DEFINE(HAVE_GETHOSTNAME_DEF)
fi


dnl ----------------------------------------------------------------------------
dnl tgetstr definitions are missing
dnl ----------------------------------------------------------------------------
AC_MSG_CHECKING(for tgetstr declaration)
AC_CACHE_VAL(ac_cv_decl_tgetstr_def,
[AC_TRY_COMPILE([
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_TERM_H
#include <term.h>
#endif],[printf("%d",tgetstr);],
ac_cv_decl_tgetstr_def=yes, ac_cv_decl_tgetstr_def=no)
if test $ac_cv_decl_tgetstr_def != yes; then
       AC_TRY_COMPILE([
       #ifdef HAVE_STDIO_H
       #include <stdio.h>
       #endif
       #ifdef HAVE_STDLIB_H
       #include <stdlib.h>
       #endif
       #ifdef HAVE_UNISTD_H
       #include <unistd.h>
       #endif
       #ifdef HAVE_CURSES_H
       #include <curses.h>
       #endif],[printf("%d",tgetstr);],
       ac_cv_decl_tgetstr_def=yes, ac_cv_decl_tgetstr_def=no)
fi
])
AC_MSG_RESULT($ac_cv_decl_tgetstr_def)
if test $ac_cv_decl_tgetstr_def = yes; then
   AC_DEFINE(HAVE_TGETSTR_DEF)
fi


dnl ----------------------------------------------------------------------------
dnl innetgr() declarations missing
dnl ----------------------------------------------------------------------------
AC_MSG_CHECKING(for innetgr declaration)
AC_CACHE_VAL(ac_cv_decl_innetgr_def,
[AC_TRY_COMPILE([
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif],[printf("%d",innetgr);],
ac_cv_decl_innetgr_def=yes, ac_cv_decl_innetgr_def=no)
])
AC_MSG_RESULT($ac_cv_decl_innetgr_def)
if test $ac_cv_decl_innetgr_def = yes; then
   AC_DEFINE(HAVE_INNETGR_DEF)
fi


dnl ----------------------------------------------------------------------------
dnl openlog() declarations missing
dnl ----------------------------------------------------------------------------
AC_MSG_CHECKING(for openlog declaration)
AC_CACHE_VAL(ac_cv_decl_openlog_def,
[AC_TRY_COMPILE([
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#endif
#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#endif],[printf("%d",openlog);],
ac_cv_decl_openlog_def=yes, ac_cv_decl_openlog_def=no)
])
AC_MSG_RESULT($ac_cv_decl_openlog_def)
if test $ac_cv_decl_openlog_def = yes; then
   AC_DEFINE(HAVE_OPENLOG_DEF)
fi

dnl ----------------------------------------------------------------------------
dnl IPV6 - check for structure declarations
dnl ----------------------------------------------------------------------------

AC_MSG_CHECKING(for struct in6_addr declaration)
AC_CACHE_VAL(ac_cv_decl_in6_addr_def,
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>],[struct in6_addr v;],
ac_cv_decl_in6_addr_def=yes, ac_cv_decl_in6_addr_def=no)
])
AC_MSG_RESULT($ac_cv_decl_in6_addr_def)
if test $ac_cv_decl_in6_addr_def = yes; then
   AC_DEFINE(IN6_ADDR)
fi


AC_MSG_CHECKING(for struct in_addr6 declaration (LINUX))
AC_CACHE_VAL(ac_cv_decl_in_addr6_def,
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>],[struct in_addr6 v;],
ac_cv_decl_in_addr6_def=yes, ac_cv_decl_in_addr6_def=no)
])
AC_MSG_RESULT($ac_cv_decl_in_addr6_def)
if test "$ac_cv_decl_in_addr6_def" = yes; then
   AC_DEFINE(IN_ADDR6)
fi

dnl ----------------------------------------------------------------------------
dnl struct stat can have a st_mtime_nsec field
dnl ----------------------------------------------------------------------------


AC_MSG_CHECKING(for struct stat has mtimespec.ts_nsec or mtimespec.ts_nsec)
AC_CACHE_VAL(ac_cv_decl_st_mtime_nsec_def,
[AC_TRY_COMPILE([
#include <sys/types.h>
#if defined(HAVE_SYS_TIME_H)
#include <sys/time.h>
#endif
#include <sys/stat.h>],[struct stat statb; statb.st_mtimespec.ts_nsec;],
ac_cv_decl_st_mtime_nsec_def=st_mtimespec.ts_nsec)
])

if test -z "$ac_cv_decl_st_mtime_nsec_def" ; then #{
AC_TRY_COMPILE([
#include <sys/types.h>
#if defined(HAVE_SYS_TIME_H)
#include <sys/time.h>
#endif
#include <sys/stat.h>],[struct stat statb; statb.st_mtime_nsec;],
ac_cv_decl_st_mtime_nsec_def=st_mtime_nsec )
fi #}


if test -z "$ac_cv_decl_st_mtime_nsec_def" ; then #{
AC_TRY_COMPILE([
#include <sys/types.h>
#if defined(HAVE_SYS_TIME_H)
#include <sys/time.h>
#endif
#include <sys/stat.h>],[struct stat statb; statb.st_mtim.tv_nsec;],
ac_cv_decl_st_mtime_nsec_def=st_mtim.tv_nsec )
fi #}

if test -z "$ac_cv_decl_st_mtime_nsec_def"; then
ac_cv_decl_st_mtime_nsec_def=no
fi

AC_MSG_RESULT($ac_cv_decl_st_mtime_nsec_def)
if test ! "$ac_cv_decl_st_mtime_nsec_def" = no; then
   AC_DEFINE_UNQUOTED(ST_MTIME_NSEC,$ac_cv_decl_st_mtime_nsec_def)
fi

dnl ----------------------------------------------------------------------------
dnl make stuff:


AC_PROG_INSTALL
AC_CHECK_PROG(INSTALL_MAN,auxman,auxman,[$INSTALL -m 644])

AC_PROG_RANLIB
AC_PROG_MAKE_SET

dnl ----------------- force this to be Bourne Shell for now ---------------
AC_MSG_CHECKING(for shell)
SHELL=/bin/sh
AC_MSG_RESULT(using $SHELL (FORCED))

dnl ----------------- GCC Compilation ----------------------------------
AC_OUTPUT(Makefile src/Makefile man/Makefile
Makefile.bsd src/Makefile.bsd man/Makefile.bsd )

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