dnl Process this file with autoconf to produce a configure script.
AC_INIT(server/server.c)

if test ! -d h; then mkdir h; fi
if test ! -d h/zephyr; then mkdir h/zephyr; fi

dnl Command-line option to enable Athena paths.
AC_ARG_ENABLE(athena,
	      [  --enable-athena         Use Athena defaults],
	      [hesiod=yes
	       kerberos=yes
	       if test "${prefix}" = "NONE"; then prefix=/usr/athena; fi
	       datadir=${datadir-'$(prefix)/lib/zephyr'}
	       confdir=${confdir-'/etc/athena/zephyr'}
	       sbindir=${sbindir-'$(exec_prefix)/etc'}
	       lsbindir=${lsbindir-'/etc/athena'}
	       COMPILE_ET=compile_et
	       MK_CMDS=mk_cmds
	       CPPFLAGS="${CPPFLAGS} -I/usr/athena/include"
	       LDFLAGS="${LDFLAGS} -L/usr/athena/lib"
	       INITPROGS=${lsbindir}/zinit],
	      [datadir=${datadir-'$(prefix)/share/zephyr'}
	       confdir=${confdir-'$(prefix)/etc/zephyr'}
	       sbindir=${sbindir-'$(exec_prefix)/sbin'}
	       lsbindir=${lsbindir-'$(exec_prefix)/sbin'}
	       SUPPORT_LIBS="et ss"
	       ET_LDFLAGS='-L$(BUILDTOP)/lib/et'
	       ETDEP='$(BUILDTOP)/lib/et/libcom_err.a'
	       SS_LDFLAGS='-L$(BUILDTOP)/lib/ss'
	       SSDEP='$(BUILDTOP)/lib/ss/libss.a'
	       COMPILE_ET='$(BUILDTOP)/lib/et/compile_et'
	       MK_CMDS='$(BUILDTOP)/lib/ss/mk_cmds'
	       INITPROGS=true
	       if test ! -d h/ss; then mkdir h/ss; fi
	       cp ${srcdir}/lib/et/com_err.h h
	       cp ${srcdir}/lib/ss/*.h h/ss])

AC_SUBST(confdir)
AC_SUBST(datadir)
AC_SUBST(sbindir)
AC_SUBST(lsbindir)
AC_SUBST(SUPPORT_LIBS)
AC_SUBST(ET_LDFLAGS)
AC_SUBST(ETDEP)
AC_SUBST(SS_LDFLAGS)
AC_SUBST(SSDEP)
AC_SUBST(COMPILE_ET)
AC_SUBST(MK_CMDS)
AC_SUBST(INITPROGS)

AC_CANONICAL_SYSTEM
AC_DEFINE_UNQUOTED(MACHINE_TYPE, "$host")

dnl Command-line option to enable Hesiod support
AC_ARG_WITH(hesiod,
	    [  --with-hesiod=PREFIX    Compile with Hesiod support],
	    [hesiod="$withval"], [hesiod=${hesiod-no}])

dnl Command-line option to enable Kerberos support
AC_ARG_WITH(krb4,
	    [  --with-krb4=PREFIX      Compile with Kerberos 4 support],
	    [kerberos="$withval"], [kerberos=${kerberos-no}])

dnl Checks for programs.
AC_PROG_CC
AC_PROG_YACC
AC_PROG_LEX
AC_PROG_INSTALL
AC_PROG_RANLIB

AC_MSG_CHECKING(location of temporary directory)
if test -d /var/tmp; then
	found_tmp=/var/tmp/
elif test -d /usr/tmp; then
	found_tmp=/usr/tmp/
else
	found_tmp=/tmp/
fi
AC_DEFINE_UNQUOTED(FOUND_TMP, "${found_tmp}")
AC_MSG_RESULT(${found_tmp})

dnl Checks for header files.
AC_PATH_XTRA
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h paths.h termios.h sgtty.h unistd.h libgen.h malloc.h)
AC_CHECK_HEADERS(sys/filio.h sys/ioctl.h sys/time.h sys/file.h sys/utsname.h)
AC_CHECK_HEADERS(sys/select.h sys/msgbuf.h sys/cdefs.h)

if test "$no_x" != "yes"; then
	XCLIENTS=xzwrite
	ZWGC_LIBX11=-lX11
fi
AC_SUBST(XCLIENTS)
AC_SUBST(ZWGC_LIBX11)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_SIGNAL
AC_TYPE_UID_T
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_MSG_CHECKING(for 32-bit integer type)
if test "$ac_cv_sizeof_long" = 4; then
	int32=long
elif test "$ac_cv_sizeof_int" = 4; then
	int32=int
elif test "$ac_cv_sizeof_short" = 4; then
	int32=short
else
	AC_WARN([Can't find 32-bit type, using long])
	int32=long
fi
AC_DEFINE_UNQUOTED(ZEPHYR_INT32, ${int32})
AC_MSG_RESULT(${int32})

AC_CHECK_LIB(w, wslen)
AC_CHECK_LIB(dl, dlopen)

# If we can't find connect, try looking in -lsocket and -lnsl.  The
# Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
# libsocket.so which has a bad implementation of gethostbyname (it
# only looks in /etc/hosts), so we only look for -lsocket if we need
# it.
AC_CHECK_FUNC(connect, :, [AC_CHECK_LIB(socket, socket)
			   AC_CHECK_LIB(nsl, gethostbyname)])

# Hesiod needs -lresolv on Sun systems for res_send.
if test "$hesiod" != "no"; then
	AC_CHECK_LIB(44bsd, strerror)
	AC_CHECK_LIB(resolv, res_send)
fi

AC_CHECK_LIB(curses, tgetstr, [TLIB=-lcurses], [TLIB=-ltermcap])
AC_CHECK_LIB(gen, regcmp, [RLIB=-lgen])
AC_CHECK_LIB(src, srcsrpy, [SLIB=-lsrc; AC_DEFINE(HAVE_SRC)])
AC_SUBST(TLIB)
AC_SUBST(RLIB)
AC_SUBST(SLIB)

if test "$hesiod" != "no"; then
	if test "$hesiod" != "yes"; then
		CPPFLAGS="${CPPFLAGS} -I${hesiod}/include"
		LDFLAGS="${LDFLAGS} -L${hesiod}/lib"
	fi
	AC_DEFINE(ZEPHYR_USES_HESIOD)
	AC_CHECK_LIB(hesiod, hes_resolve, LIBS="-lhesiod ${LIBS}",
		     [AC_CHECK_FUNC(hes_resolve),,
		      AC_ERROR(Hesiod library not found)])
fi

if test "$kerberos" != "no"; then
	if test "$kerberos" != "yes"; then
		CPPFLAGS="${CPPFLAGS} -I${kerberos}/include"
		LDFLAGS="${LDFLAGS} -L${kerberos}/lib"
	fi
	AC_DEFINE(ZEPHYR_USES_KERBEROS)
	AC_CHECK_LIB(krb, krb_mk_req,,
		     [AC_ERROR(Kerberos library not found)], -ldes)
	LIBS="-lkrb -ldes ${LIBS}"
else
	AC_WARN(compiling without Kerberos support; Zephyr will be insecure.)
fi

dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_VPRINTF
ZEPHYR_FUNC_REGCOMP
AC_CHECK_FUNCS(putenv re_comp strchr memcpy memmove waitpid getlogin)
AC_CHECK_FUNCS(strerror random lrand48 gethostid krb_get_err_text krb_log)

AC_CONFIG_HEADER(h/config.h h/zephyr/zephyr.h)
AC_OUTPUT(Makefile clients/Makefile clients/syslogd/Makefile
	  clients/xzwrite/Makefile clients/zaway/Makefile clients/zctl/Makefile
	  clients/zleave/Makefile clients/zlocate/Makefile
	  clients/zmailnotify/Makefile clients/znol/Makefile
	  clients/zpopnotify/Makefile clients/zshutdown_notify/Makefile
	  clients/zstat/Makefile clients/zwgc/Makefile clients/zwrite/Makefile
	  lib/Makefile lib/dyn/Makefile lib/et/Makefile lib/ss/Makefile
	  lib/zephyr/Makefile server/Makefile zhm/Makefile
	  clients/xzwrite/XZwrite clients/zwgc/zephyr.vars)