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

test -d h || mkdir h
test -d h/zephyr || mkdir h/zephyr

test -z "$lbindir" && lbindir='${bindir}'
test -z "$lsbindir" && lsbindir='${sbindir}'
AC_SUBST(lbindir)
AC_SUBST(lsbindir)

AC_CANONICAL_SYSTEM
AC_DEFINE_UNQUOTED(MACHINE_TYPE, "$host")

dnl Checks for programs.
AC_PROG_CC
AC_PROG_YACC
AC_PROG_LEX
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_PROG_LIBTOOL

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 malloc.h term.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 krb5_err.h termcap.h)

if test "$no_x" != "yes"; then
	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)

AC_SEARCH_LIBS(gethostbyname, nsl)
AC_SEARCH_LIBS(socket, socket)

# 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)
	AC_CHECK_LIB(resolv, __res_send)
fi

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

ATHENA_KRB4

AC_ARG_WITH(krb5,
	    [  --with-krb5=PREFIX      Use Kerberos 5],
	    [krb5="$withval"], [krb5=no])
if test "$krb5" != no; then
   AC_SEARCH_LIBS(gethostbyname, nsl)
   AC_SEARCH_LIBS(socket, socket)
   AC_CHECK_LIB(gen, compile)
   if test "$krb5" != yes; then
      PATH="$PATH:$krb5/bin"
   fi
   AC_CHECK_PROG(krb5config, krb5-config,yes)
   if test "$krb5config" == yes; then
      CPPFLAGS="$CPPFLAGS $(krb5-config --cflags krb5)"
      KRB5_LIBS="$(krb5-config --libs krb5)"
   else
      if test "$krb5" != yes; then
      	 CPPFLAGS="$CPPFLAGS -I$krb5/include"
      	 LDFLAGS="$LDFLAGS -L$krb5/lib"
      fi
      AC_CHECK_LIB(krb5, krb5_init_context, :,
	           [AC_MSG_ERROR(Kerberos 5 libraries not found)],
		   -lk5crypto -lcom_err)
      KRB5_LIBS="-lkrb5 -l5crypto -lcom_err"
   fi
   AC_DEFINE(HAVE_KRB5)
fi
AC_SUBST(KRB5_LIBS)

ATHENA_KRB5
ATHENA_HESIOD
ATHENA_REGEXP
ATHENA_UTIL_COM_ERR
ATHENA_UTIL_SS
LIBS="$KRB5_LIBS $KRB4_LIBS $HESIOD_LIBS $LIBS"

dnl Checks for library functions.
AC_CHECK_FUNC(res_send, :, AC_CHECK_LIB(resolv, res_send))
AC_CHECK_LIB(cares, ares_init,
		    [ARES_LIBS="-lcares"
		    AC_DEFINE(HAVE_ARES)],
		    [AC_MSG_ERROR(libcares not found)])
AC_SUBST(ARES_LIBS)
		    
AC_PROG_GCC_TRADITIONAL
AC_FUNC_VPRINTF
AC_FUNC_GETPGRP
AC_FUNC_SETPGRP
AC_CHECK_FUNCS(putenv strchr memcpy memmove waitpid getlogin strerror random)
AC_CHECK_FUNCS(lrand48 gethostid getsid getpgid krb_get_err_text krb_log)
AC_CHECK_FUNCS(krb5_free_data krb5_c_make_checksum krb5_cc_set_default_name)
AC_CHECK_FUNCS(krb5_crypto_init krb5_c_decrypt)

AC_MSG_CHECKING(for krb5_auth_con_getauthenticator taking double pointer)
AC_CACHE_VAL(ac_cv_krb5_auth_con_getauthenticator_takes_double_pointer, [
local_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="${CPPFLAGS} ${KRB5_INC_FLAGS}"
AC_TRY_COMPILE(
[#define socklen_t int
#define ssize_t int
#include <krb5.h>
krb5_error_code
krb5_auth_con_getauthenticator(krb5_context context,
                           krb5_auth_context auth_context,
                           krb5_authenticator *authenticator);],
[krb5_error_code foo = krb5_auth_con_getauthenticator(0, 0, 0);],
ac_cv_krb5_auth_con_getauthenticator_takes_double_pointer=no,
ac_cv_krb5_auth_con_getauthenticator_takes_double_pointer=yes)
])
CPPFLAGS="${local_save_CPPFLAGS}"
if test "$ac_cv_krb5_auth_con_getauthenticator_takes_double_pointer" = yes; then
        AC_DEFINE(KRB5_AUTH_CON_GETAUTHENTICATOR_TAKES_DOUBLE_POINTER)dnl
fi
AC_MSG_RESULT($ac_cv_krb5_auth_con_getauthenticator_takes_double_pointer)

AC_MSG_CHECKING(for enc_part2 in struct krb5_ticket)
AC_CACHE_VAL(ac_cv_have_krb5_ticket_enc_part2, [
local_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="${CPPFLAGS} ${KRB5_INC_FLAGS}"
AC_TRY_COMPILE(
[#include <krb5.h>], [krb5_ticket _tkt; _tkt.enc_part2;],
ac_cv_have_krb5_ticket_enc_part2=yes,
ac_cv_have_krb5_ticket_enc_part2=no)
])
CPPFLAGS="${local_save_CPPFLAGS}"
if test "$ac_cv_have_krb5_ticket_enc_part2" = yes; then
	AC_DEFINE(HAVE_KRB5_TICKET_ENC_PART2)dnl
fi
AC_MSG_RESULT($ac_cv_have_krb5_ticket_enc_part2)

AC_MSG_CHECKING(for enctype in struct krb5_keyblock)
AC_CACHE_VAL(ac_cv_have_krb5_creds_keyblock_enctype, [
local_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="${CPPFLAGS} ${KRB5_INC_FLAGS}"
AC_TRY_COMPILE(
[#include <krb5.h>], [krb5_creds _creds; _creds.keyblock.enctype;],
ac_cv_have_krb5_creds_keyblock_enctype=yes,
ac_cv_have_krb5_creds_keyblock_enctype=no)
])
CPPFLAGS="${local_save_CPPFLAGS}"
if test "$ac_cv_have_krb5_creds_keyblock_enctype" = yes; then
	AC_DEFINE(HAVE_KRB5_CREDS_KEYBLOCK_ENCTYPE)dnl
fi
AC_MSG_RESULT($ac_cv_have_krb5_creds_keyblock_enctype)

AC_ARG_ENABLE(cmu-zwgcplus,
[  --enable-cmu-zwgcplus   enable CMU zwgcplus extensions],[
if test "$enableval" = "yes"; then
        AC_DEFINE(CMU_ZWGCPLUS,1)
fi
])

AC_ARG_ENABLE(cmu-zctl-punt,
[  --enable-cmu-zctl-punt  enable CMU zctl punt extensions],[
if test "$enableval" = "yes"; then
        AC_DEFINE(CMU_ZCTL_PUNT,1)
fi
])

AC_ARG_ENABLE(cmu-hm-flush-restrict,
[  --enable-cmu-hm-flush-restrict   enable CMU zctl hm flush restriction],[
if test "$enableval" = "yes"; then
        AC_DEFINE(HM_FLUSH_RESTRICT,1)
fi
])

AC_ARG_ENABLE(cmu-opstaff-locate-self,
[  --enable-cmu-opstaff-locate-self enable CMU opstaff locate-self ability],[
if test "$enableval" = "yes"; then
        AC_DEFINE(OPSTAFF_LOCATE_SELF,1)
fi
])

AC_CONFIG_HEADER(h/config.h)
AC_OUTPUT(Makefile clients/Makefile clients/zaway/Makefile
          clients/zctl/Makefile clients/zleave/Makefile
          clients/zlocate/Makefile clients/znol/Makefile
          clients/zshutdown_notify/Makefile clients/zstat/Makefile
          clients/zwrite/Makefile lib/Makefile libdyn/Makefile
          server/Makefile zhm/Makefile zwgc/Makefile)