path: root/usr.bin/sudo/configure.in

dnl
dnl Process this file with GNU autoconf to produce a configure script.
dnl $Sudo: configure.in,v 1.383 2003/04/13 19:48:15 millert Exp $
dnl
dnl Copyright (c) 1994-1996,1998-2003 Todd C. Miller <Todd.Miller@courtesan.com>
dnl
AC_INIT(sudo, 1.6.7p5)
AC_CONFIG_HEADER(config.h pathnames.h)
dnl
dnl This won't work before AC_INIT()
dnl
AC_MSG_NOTICE([Configuring Sudo version 1.6.7p5])
dnl
dnl Variables that get substituted in the Makefile and man pages
dnl
AC_SUBST(CFLAGS)dnl
AC_SUBST(PROGS)dnl
AC_SUBST(CPPFLAGS)dnl
AC_SUBST(LDFLAGS)dnl
AC_SUBST(SUDO_LDFLAGS)dnl
AC_SUBST(LIBS)dnl
AC_SUBST(SUDO_LIBS)dnl
AC_SUBST(NET_LIBS)dnl
AC_SUBST(AFS_LIBS)dnl
AC_SUBST(OSDEFS)dnl
AC_SUBST(AUTH_OBJS)dnl
AC_SUBST(MANTYPE)dnl
AC_SUBST(MAN_POSTINSTALL)dnl
AC_SUBST(SUDOERS_MODE)dnl
AC_SUBST(SUDOERS_UID)dnl
AC_SUBST(SUDOERS_GID)dnl
AC_SUBST(DEV)
AC_SUBST(mansectsu)
AC_SUBST(mansectform)
AC_SUBST(mansrcdir)
dnl
dnl Variables that get substituted in docs (not overridden by environment)
dnl
AC_SUBST(timedir)dnl initial value from SUDO_TIMEDIR
AC_SUBST(timeout)
AC_SUBST(password_timeout)
AC_SUBST(sudo_umask)
AC_SUBST(passprompt)
AC_SUBST(long_otp_prompt)
AC_SUBST(lecture)
AC_SUBST(logfac)
AC_SUBST(goodpri)
AC_SUBST(badpri)
AC_SUBST(loglen)
AC_SUBST(ignore_dot)
AC_SUBST(mail_no_user)
AC_SUBST(mail_no_host)
AC_SUBST(mail_no_perms)
AC_SUBST(mailto)
AC_SUBST(mailsub)
AC_SUBST(badpass_message)
AC_SUBST(fqdn)
AC_SUBST(runas_default)
AC_SUBST(env_editor)
AC_SUBST(passwd_tries)
AC_SUBST(tty_tickets)
AC_SUBST(insults)
dnl
dnl Initial values for above
dnl
timeout=5
password_timeout=5
sudo_umask=0022
passprompt="Password:"
long_otp_prompt=off
lecture=on
logfac=local2
goodpri=notice
badpri=alert
loglen=80
ignore_dot=off
mail_no_user=on
mail_no_host=off
mail_no_perms=off
mailto=root
mailsub='*** SECURITY information for %h ***'
badpass_message='Sorry, try again.'
fqdn=off
runas_default=root
env_editor=off
passwd_tries=3
tty_tickets=off
insults=off
dnl
dnl Initial values for Makefile variables listed above
dnl May be overridden by environment variables..
dnl
PROGS="sudo visudo"
test -n "$MANTYPE" || MANTYPE="man"
test -n "$mansrcdir" || mansrcdir="."
test -n "$SUDOERS_MODE" || SUDOERS_MODE=0440
test -n "$SUDOERS_UID" || SUDOERS_UID=0
test -n "$SUDOERS_GID" || SUDOERS_GID=0
DEV="#"

dnl
dnl Other vaiables
dnl
CHECKSHADOW=true
CHECKSIA=true

dnl
dnl Override default configure dirs...
dnl
test "$mandir" = '${prefix}/man' && mandir='$(prefix)/man'
test "$bindir" = '${exec_prefix}/bin' && bindir='$(exec_prefix)/bin'
test "$sbindir" = '${exec_prefix}/sbin' && sbindir='$(exec_prefix)/sbin'
test "$sysconfdir" = '${prefix}/etc' -a X"$with_stow" != X"yes" && sysconfdir='/etc'

dnl
dnl Deprecated --with options (these all warn or generate an error)
dnl

AC_ARG_WITH(otp-only, [  --with-otp-only         deprecated],
[case $with_otp_only in
    yes)	with_passwd=no
		AC_DEFINE(WITHOUT_PASSWD, 1, [Define to avoid using the passwd/shadow file for authentication.])
		AC_MSG_NOTICE([--with-otp-only option deprecated, treating as --without-passwd])
		;;
esac])

AC_ARG_WITH(alertmail, [  --with-alertmail        deprecated],
[case $with_alertmail in
    *)		with_mailto="$with_alertmail"
		AC_MSG_NOTICE([--with-alertmail option deprecated, treating as --mailto])
		;;
esac])

dnl
dnl Options for --with
dnl

AC_ARG_WITH(CC, [  --with-CC               C compiler to use],
[case $with_CC in
    yes)	AC_MSG_ERROR(["must give --with-CC an argument."])
		;;
    no)		AC_MSG_ERROR(["illegal argument: --without-CC."])
		;;
    *)		CC=$with_CC
		;;
esac])

AC_ARG_WITH(rpath, [  --with-rpath            pass -R flag in addition to -L for lib paths],
[case $with_rpath in
    yes)	;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-rpath does not take an argument."])
		;;
esac])

AC_ARG_WITH(blibpath, [  --with-blibpath[=PATH]  pass -blibpath flag to ld for additional lib paths],
[case $with_blibpath in
    yes)	;;
    no)		;;
    *)		AC_MSG_NOTICE([will pass -blibpath:${with_blibpath} to the loader.])
		;;
esac])

AC_ARG_WITH(incpath, [  --with-incpath          additional places to look for include files],
[case $with_incpath in  
    yes)	AC_MSG_ERROR(["must give --with-incpath an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-incpath not supported."])
		;;
    *)		AC_MSG_NOTICE([Adding ${with_incpath} to CPPFLAGS])
		for i in ${with_incpath}; do
		    CPPFLAGS="${CPPFLAGS} -I${i}"
		done
		;;
esac])

AC_ARG_WITH(libpath, [  --with-libpath          additional places to look for libraries],
[case $with_libpath in  
    yes)	AC_MSG_ERROR(["must give --with-libpath an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-libpath not supported."])
		;;
    *)		AC_MSG_NOTICE([Adding ${with_libpath} to LDFLAGS])
		;;
esac])

AC_ARG_WITH(libraries, [  --with-libraries        additional libraries to link with],
[case $with_libraries in  
    yes)	AC_MSG_ERROR(["must give --with-libraries an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-libraries not supported."])
		;;
    *)		AC_MSG_NOTICE([Adding ${with_libraries} to LIBS])
		;;
esac])

AC_ARG_WITH(devel, [  --with-devel            add development options],
[case $with_devel in  
    yes)	AC_MSG_NOTICE([Setting up for development: -Wall, flex, yacc])
		PROGS="${PROGS} testsudoers"
		OSDEFS="${OSDEFS} -DSUDO_DEVEL"
		DEV=""
		;;
    no)		;;
    *)		AC_MSG_WARN([Ignoring unknown argument to --with-devel: $with_devel])
		;;
esac])

AC_ARG_WITH(efence, [  --with-efence           link with -lefence for malloc() debugging],
[case $with_efence in  
    yes)	AC_MSG_NOTICE([Sudo will link with -lefence (Electric Fence)])
		LIBS="${LIBS} -lefence"
		if test -f /usr/local/lib/libefence.a; then
		    with_libpath="${with_libpath} /usr/local/lib"
		fi
		;;
    no)		;;
    *)		AC_MSG_WARN([Ignoring unknown argument to --with-efence: $with_efence])
		;;
esac])

AC_ARG_WITH(csops, [  --with-csops            add CSOps standard options],
[case $with_csops in  
    yes)	AC_MSG_NOTICE([Adding CSOps standard options])
		CHECKSIA=false
		with_ignore_dot=yes
		insults=on
		with_classic_insults=yes
		with_csops_insults=yes
		with_env_editor=yes
		test -n "$mansectsu" || mansectsu=8
		test -n "$mansectform" || mansectform=5
		;;
    no)		;;
    *)		AC_MSG_WARN([Ignoring unknown argument to --with-csops: $with_csops])
		;;
esac])

AC_ARG_WITH(passwd, [  --without-passwd        don't use passwd/shadow file for authentication],
[case $with_passwd in
    yes)	;;
    no)		AC_DEFINE(WITHOUT_PASSWD)
		AC_MSG_CHECKING(whether to use shadow/passwd file authentication)
		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_ERROR(["Sorry, --with-passwd does not take an argument."])
		;;
esac])

AC_ARG_WITH(skey, [  --with-skey[=DIR]       enable S/Key support ],
[case $with_skey in
    no)		with_skey="";;
    *)		if test -n "$with_opie"; then
		    AC_MSG_ERROR(["cannot use both S/Key and OPIE"])
		fi
    		AC_DEFINE(HAVE_SKEY, 1, [Define if you use S/Key.])
		AC_MSG_CHECKING(whether to try S/Key authentication)
		AC_MSG_RESULT(yes)
		AUTH_OBJS="${AUTH_OBJS} rfc1938.o"
		;;
esac])

AC_ARG_WITH(opie, [  --with-opie[=DIR]       enable OPIE support ],
[case $with_opie in
    no)		with_opie="";;
    *)		if test -n "$with_skey"; then
		    AC_MSG_ERROR(["cannot use both S/Key and OPIE"])
		fi
		AC_DEFINE(HAVE_OPIE, 1, [Define if you use NRL OPIE.])
		AC_MSG_CHECKING(whether to try NRL OPIE authentication)
		AC_MSG_RESULT(yes)
		AUTH_OBJS="${AUTH_OBJS} rfc1938.o"
		;;
esac])

AC_ARG_WITH(long-otp-prompt, [  --with-long-otp-prompt  use a two line OTP (skey/opie) prompt],
[case $with_long_otp_prompt in
    yes)	AC_DEFINE(LONG_OTP_PROMPT, 1, [Define if you want a two line OTP (S/Key or OPIE) prompt.])
		AC_MSG_CHECKING(whether to use a two line prompt for OTP authentication)
		AC_MSG_RESULT(yes)
		long_otp_prompt=on
		;;
    no)		long_otp_prompt=off
		;;
    *)		AC_MSG_ERROR(["--with-long-otp-prompt does not take an argument."])
		;;
esac])

AC_ARG_WITH(SecurID, [  --with-SecurID[[=DIR]]    enable SecurID support],
[case $with_SecurID in
    no)		with_SecurID="";;
    *)		AC_DEFINE(HAVE_SECURID, 1, [Define if you use SecurID.])
		AC_MSG_CHECKING(whether to use SecurID for authentication)
		AC_MSG_RESULT(yes)
		with_passwd=no
		;;
esac])

AC_ARG_WITH(fwtk, [  --with-fwtk[[=DIR]]       enable FWTK AuthSRV support],
[case $with_fwtk in
    no)		with_fwtk="";;
    *)		AC_DEFINE(HAVE_FWTK, 1, [Define if you use the FWTK authsrv daemon.])
		AC_MSG_CHECKING(whether to use FWTK AuthSRV for authentication)
		AC_MSG_RESULT(yes)
		with_passwd=no
		AUTH_OBJS="fwtk.o"
		;;
esac])

AC_ARG_WITH(kerb4, [  --with-kerb4[[=DIR]]      enable Kerberos IV support],
[case $with_kerb4 in
    no)		with_kerb4="";;
    *)		AC_MSG_CHECKING(whether to try kerberos IV authentication)
		AC_MSG_RESULT(yes)
		;;
esac])

AC_ARG_WITH(kerb5, [  --with-kerb5[[=DIR]]      enable Kerberos V support],
[case $with_kerb5 in
    no)		with_kerb5="";;
    *)		AC_MSG_CHECKING(whether to try Kerberos V authentication)
		AC_MSG_RESULT(yes)
		;;
esac])

AC_ARG_WITH(authenticate, [  --with-authenticate     enable AIX general authentication support],
[case $with_authenticate in
    yes)	AC_DEFINE(HAVE_AUTHENTICATE, 1, [Define if you use AIX general authentication.])
		AC_MSG_CHECKING(whether to use AIX general authentication)
		AC_MSG_RESULT(yes)
		with_passwd=no
		AUTH_OBJS="aix_auth.o"
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-authenticate does not take an argument."])
		;;
esac])

AC_ARG_WITH(pam, [  --with-pam              enable PAM support],
[case $with_pam in
    yes)	AC_DEFINE(HAVE_PAM, 1, [Define if you use PAM.])
		AC_MSG_CHECKING(whether to use PAM authentication)
		AC_MSG_RESULT(yes)
		with_passwd=no
		AUTH_OBJS="pam.o"
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-pam does not take an argument."])
		;;
esac])

AC_ARG_WITH(AFS, [  --with-AFS              enable AFS support],
[case $with_AFS in
    yes)	AC_DEFINE(HAVE_AFS, 1, [Define if you use AFS.])
		AC_MSG_CHECKING(whether to try AFS (kerberos) authentication)
		AC_MSG_RESULT(yes)
		AUTH_OBJS="${AUTH_OBJS} afs.o"
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-AFS does not take an argument."])
		;;
esac])

AC_ARG_WITH(DCE, [  --with-DCE              enable DCE support],
[case $with_DCE in
    yes)	AC_DEFINE(HAVE_DCE, 1, [Define if you use OSF DCE.])
		AC_MSG_CHECKING(whether to try DCE (kerberos) authentication)
		AC_MSG_RESULT(yes)
		AUTH_OBJS="${AUTH_OBJS} dce.o"
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-DCE does not take an argument."])
		;;
esac])

AC_ARG_WITH(logincap, [  --with-logincap         enable BSD login class support],
[case $with_logincap in
    yes|no)	;;
    *)		AC_MSG_ERROR(["--with-logincap does not take an argument."])
		;;
esac])

AC_ARG_WITH(bsdauth, [  --with-bsdauth          enable BSD authentication support],
[case $with_bsdauth in
    yes)	with_logincap=yes
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-bsdauth does not take an argument."])
		;;
esac])

AC_MSG_CHECKING(whether to lecture users the first time they run sudo)
AC_ARG_WITH(lecture, [  --without-lecture       don't print lecture for first-time sudoer],
[case $with_lecture in  
    yes|short)	lecture=on
		;;
    no|none)	lecture=off
		;;
    *)		AC_MSG_ERROR(["unknown argument to --with-lecture: $with_lecture"])
		;;
esac])
if test "$lecture" = "on"; then
    AC_MSG_RESULT(yes)
else
    AC_DEFINE(NO_LECTURE, 1, [Define if you don't want users to get the lecture the first they user sudo.])
    AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING(whether sudo should log via syslog or to a file by default)
AC_ARG_WITH(logging, [  --with-logging          log via syslog, file, or both],
[case $with_logging in  
    yes)	AC_MSG_ERROR(["must give --with-logging an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-logging not supported."])
		;;
    syslog)	AC_DEFINE(LOGGING, SLOG_SYSLOG, [Define to SLOG_SYSLOG, SLOG_FILE, or SLOG_BOTH.])
		AC_MSG_RESULT(syslog)
		;;
    file)	AC_DEFINE(LOGGING, SLOG_FILE)
		AC_MSG_RESULT(file)
		;;
    both)	AC_DEFINE(LOGGING, SLOG_BOTH)
		AC_MSG_RESULT(both)
		;;
    *)		AC_MSG_ERROR(["unknown argument to --with-logging: $with_logging"])
		;;
esac], [AC_DEFINE(LOGGING, SLOG_SYSLOG) AC_MSG_RESULT(syslog)])

AC_MSG_CHECKING(which syslog facility sudo should log with)
AC_ARG_WITH(logfac, [  --with-logfac           syslog facility to log with (default is "local2")],
[case $with_logfac in  
    yes)	AC_MSG_ERROR(["must give --with-logfac an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-logfac not supported."])
		;;
    authpriv|auth|daemon|user|local0|local1|local2|local3|local4|local5|local6|local7)		logfac=$with_logfac
		;;
    *)		AC_MSG_ERROR(["$with_logfac is not a supported syslog facility."])
		;;
esac])
AC_DEFINE_UNQUOTED(LOGFAC, "$logfac", [The syslog facility sudo will use.])
AC_MSG_RESULT($logfac)

AC_MSG_CHECKING(at which syslog priority to log commands)
AC_ARG_WITH(goodpri, [  --with-goodpri          syslog priority for commands (def is "notice")],
[case $with_goodpri in  
    yes)	AC_MSG_ERROR(["must give --with-goodpri an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-goodpri not supported."])
		;;
    alert|crit|debug|emerg|err|info|notice|warning)
		goodpri=$with_goodpri
		;;
    *)		AC_MSG_ERROR(["$with_goodpri is not a supported syslog priority."])
		;;
esac])
AC_DEFINE_UNQUOTED(PRI_SUCCESS, "$goodpri", [The syslog priority sudo will use for successful attempts.])
AC_MSG_RESULT($goodpri)

AC_MSG_CHECKING(at which syslog priority to log failures)
AC_ARG_WITH(badpri, [  --with-badpri           syslog priority for failures (def is "alert")],
[case $with_badpri in  
    yes)	AC_MSG_ERROR(["must give --with-badpri an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-badpri not supported."])
		;;
    alert|crit|debug|emerg|err|info|notice|warning)
		badpri=$with_badpri
		;;
    *)		AC_MSG_ERROR([$with_badpri is not a supported syslog priority.])
		;;
esac])
AC_DEFINE_UNQUOTED(PRI_FAILURE, "$badpri", [The syslog priority sudo will use for unsuccessful attempts/errors.])
AC_MSG_RESULT($badpri)

AC_ARG_WITH(logpath, [  --with-logpath          path to the sudo log file],
[case $with_logpath in  
    yes)	AC_MSG_ERROR(["must give --with-logpath an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-logpath not supported."])
		;;
esac])

AC_MSG_CHECKING(how long a line in the log file should be)
AC_ARG_WITH(loglen, [  --with-loglen           maximum length of a log file line (default is 80)],
[case $with_loglen in  
    yes)	AC_MSG_ERROR(["must give --with-loglen an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-loglen not supported."])
		;;
    [[0-9]]*)	loglen=$with_loglen
		;;
    *)		AC_MSG_ERROR(["you must enter a number, not $with_loglen"])
		;;
esac])
AC_DEFINE_UNQUOTED(MAXLOGFILELEN, $loglen, [The max number of chars per log file line (for line wrapping).])
AC_MSG_RESULT($loglen)

AC_MSG_CHECKING(whether sudo should ignore '.' or '' in \$PATH)
AC_ARG_WITH(ignore-dot, [  --with-ignore-dot       ignore '.' in the PATH],
[case $with_ignore_dot in  
    yes)	ignore_dot=on
		;;
    no)		ignore_dot=off
		;;
    *)		AC_MSG_ERROR(["--with-ignore-dot does not take an argument."])
		;;
esac])
if test "$ignore_dot" = "on"; then
    AC_DEFINE(IGNORE_DOT_PATH, 1, [Define if you want to ignore '.' and empty \$PATH elements])
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING(whether to send mail when a user is not in sudoers)
AC_ARG_WITH(mail-if-no-user, [  --without-mail-if-no-user do not send mail if user not in sudoers],
[case $with_mail_if_no_user in  
    yes)	mail_no_user=on
		;;
    no)		mail_no_user=off
		;;
    *)		AC_MSG_ERROR(["--with-mail-if-no-user does not take an argument."])
		;;
esac])
if test "$mail_no_user" = "on"; then
    AC_DEFINE(SEND_MAIL_WHEN_NO_USER, 1, [Define to send mail when the user is not in the sudoers file.])
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING(whether to send mail when user listed but not for this host)
AC_ARG_WITH(mail-if-no-host, [  --with-mail-if-no-host  send mail if user in sudoers but not for this host],
[case $with_mail_if_no_host in  
    yes)	mail_no_host=on
		;;
    no)		mail_no_host=off
		;;
    *)		AC_MSG_ERROR(["--with-mail-if-no-host does not take an argument."])
		;;
esac])
if test "$mail_no_host" = "on"; then
    AC_DEFINE(SEND_MAIL_WHEN_NO_HOST, 1, [Define to send mail when the user is not allowed to run sudo on this host.])
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING(whether to send mail when a user tries a disallowed command)
AC_ARG_WITH(mail-if-noperms, [  --with-mail-if-noperms  send mail if user not allowed to run command],
[case $with_mail_if_noperms in  
    yes)	mail_noperms=on
		;;
    no)		mail_noperms=off
		;;
    *)		AC_MSG_ERROR(["--with-mail-if-noperms does not take an argument."])
		;;
esac])
if test "$mail_noperms" = "on"; then
    AC_DEFINE(SEND_MAIL_WHEN_NOT_OK, 1, [Define to send mail when the user is not allowed to run a command.])
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING(who should get the mail that sudo sends)
AC_ARG_WITH(mailto, [  --with-mailto           who should get sudo mail (default is "root")],
[case $with_mailto in  
    yes)	AC_MSG_ERROR(["must give --with-mailto an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-mailto not supported."])
		;;
    *)		mailto=$with_mailto
		;;
esac])
AC_DEFINE_UNQUOTED(MAILTO, "$mailto", [The user or email address that sudo mail is sent to.])
AC_MSG_RESULT([$mailto])

AC_ARG_WITH(mailsubject, [  --with-mailsubject      subject of sudo mail],
[case $with_mailsubject in  
    yes)	AC_MSG_ERROR(["must give --with-mailsubject an argument."])
		;;
    no)		AC_MSG_WARN([Sorry, --without-mailsubject not supported.])
		;;
    *)		mailsub="$with_mailsubject"
		AC_MSG_CHECKING(sudo mail subject)
		AC_MSG_RESULT([Using alert mail subject: $mailsub])
		;;
esac])
AC_DEFINE_UNQUOTED(MAILSUBJECT, "$mailsub", [The subject of the mail sent by sudo to the MAILTO user/address.])

AC_MSG_CHECKING(for bad password prompt)
AC_ARG_WITH(passprompt, [  --with-passprompt       default password prompt],
[case $with_passprompt in  
    yes)	AC_MSG_ERROR(["must give --with-passprompt an argument."])
		;;
    no)		AC_MSG_WARN([Sorry, --without-passprompt not supported.])
		;;
    *)		passprompt="$with_passprompt"
esac])
AC_MSG_RESULT($passprompt)
AC_DEFINE_UNQUOTED(PASSPROMPT, "$passprompt", [The default password prompt.])

AC_MSG_CHECKING(for bad password message)
AC_ARG_WITH(badpass-message, [  --with-badpass-message  message the user sees when the password is wrong],
[case $with_badpass_message in  
    yes)	AC_MSG_ERROR(["Must give --with-badpass-message an argument."])
		;;
    no)		AC_MSG_WARN([Sorry, --without-badpass-message not supported.])
		;;
    *)		badpass_message="$with_badpass_message"
		;;
esac])
AC_DEFINE_UNQUOTED(INCORRECT_PASSWORD, "$badpass_message", [The message given when a bad password is entered.])
AC_MSG_RESULT([$badpass_message])

AC_MSG_CHECKING(whether to expect fully qualified hosts in sudoers)
AC_ARG_WITH(fqdn, [  --with-fqdn             expect fully qualified hosts in sudoers],
[case $with_fqdn in  
    yes)	fqdn=on
		;;
    no)		fqdn=off
		;;
    *)		AC_MSG_ERROR(["--with-fqdn does not take an argument."])
		;;
esac])
if test "$fqdn" = "on"; then
    AC_DEFINE(FQDN, 1, [Define if you want to require fully qualified hosts in sudoers.])
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
fi

AC_ARG_WITH(timedir, [  --with-timedir          path to the sudo timestamp dir],
[case $with_timedir in  
    yes)	AC_MSG_ERROR(["must give --with-timedir an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-timedir not supported."])
		;;
esac])

AC_ARG_WITH(sendmail, [  --with-sendmail=path    set path to sendmail
  --without-sendmail      do not send mail at all],
[case $with_sendmail in  
    yes)	with_sendmail=""
		;;
    no)		;;
    *)		SUDO_DEFINE_UNQUOTED(_PATH_SUDO_SENDMAIL, "$with_sendmail")
		;;
esac])

AC_ARG_WITH(sudoers-mode, [  --with-sudoers-mode     mode of sudoers file (defaults to 0440)],
[case $with_sudoers_mode in  
    yes)	AC_MSG_ERROR(["must give --with-sudoers-mode an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-sudoers-mode not supported."])
		;;
    [[1-9]]*)	SUDOERS_MODE=0${with_sudoers_mode}
		;;
    0*)		SUDOERS_MODE=$with_sudoers_mode
		;;
    *)		AC_MSG_ERROR(["you must use an octal mode, not a name."])
		;;
esac])

AC_ARG_WITH(sudoers-uid, [  --with-sudoers-uid      uid that owns sudoers file (defaults to 0)],
[case $with_sudoers_uid in  
    yes)	AC_MSG_ERROR(["must give --with-sudoers-uid an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-sudoers-uid not supported."])
		;;
    [[0-9]]*)	SUDOERS_UID=$with_sudoers_uid
		;;
    *)		AC_MSG_ERROR(["you must use an unsigned numeric uid, not a name."])
		;;
esac])

AC_ARG_WITH(sudoers-gid, [  --with-sudoers-gid      gid that owns sudoers file (defaults to 0)],
[case $with_sudoers_gid in  
    yes)	AC_MSG_ERROR(["must give --with-sudoers-gid an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-sudoers-gid not supported."])
		;;
    [[0-9]]*)	SUDOERS_GID=$with_sudoers_gid
		;;
    *)		AC_MSG_ERROR(["you must use an unsigned numeric gid, not a name."])
		;;
esac])

AC_MSG_CHECKING(for umask programs should be run with)
AC_ARG_WITH(umask, [  --with-umask            umask with which the prog should run (default is 022)
  --without-umask         Preserves the umask of the user invoking sudo.],
[case $with_umask in  
    yes)	AC_MSG_ERROR(["must give --with-umask an argument."])
		;;
    no)		sudo_umask=0777
		;;
    [[0-9]]*)	sudo_umask=$with_umask
		;;
    *)		AC_MSG_ERROR(["you must enter a numeric mask."])
		;;
esac])
AC_DEFINE_UNQUOTED(SUDO_UMASK, $sudo_umask, [The umask that the root-run prog should use.])
if test "$sudo_umask" = "0777"; then
    AC_MSG_RESULT(user)
else
    AC_MSG_RESULT($sudo_umask)
fi

AC_MSG_CHECKING(for default user to run commands as)
AC_ARG_WITH(runas-default, [  --with-runas-default    User to run commands as (default is "root")],
[case $with_runas_default in  
    yes)	AC_MSG_ERROR(["must give --with-runas-default an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-runas-default not supported."])
		;;
    *)		runas_default="$with_runas_default"
		;;
esac])
AC_DEFINE_UNQUOTED(RUNAS_DEFAULT, "$runas_default", [The user sudo should run commands as by default.])
AC_MSG_RESULT([$runas_default])

AC_ARG_WITH(exempt, [  --with-exempt=group     no passwd needed for users in this group],
[case $with_exempt in  
    yes)	AC_MSG_ERROR(["must give --with-exempt an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-exempt not supported."])
		;;
    *)		AC_DEFINE_UNQUOTED(EXEMPTGROUP, "$with_exempt", [If defined, users in this group need not enter a passwd (ie "sudo").])
		AC_MSG_CHECKING(for group to be exempt from password)
		AC_MSG_RESULT([$with_exempt])
		;;
esac])

AC_MSG_CHECKING(for editor that visudo should use)
AC_ARG_WITH(editor, [  --with-editor=path      Default editor for visudo (defaults to vi)],
[case $with_editor in  
    yes)	AC_MSG_ERROR(["must give --with-editor an argument."])
		;;
    no)		AC_MSG_ERROR(["--without-editor not supported."])
		;;
    *)		AC_DEFINE_UNQUOTED(EDITOR, "$with_editor", [A colon-separated list of pathnames to be used as the editor for visudo.])
		AC_MSG_RESULT([$with_editor])
		;;
esac], [AC_DEFINE(EDITOR, _PATH_VI) AC_MSG_RESULT(vi)])

AC_MSG_CHECKING(whether to obey EDITOR and VISUAL environment variables)
AC_ARG_WITH(env-editor, [  --with-env-editor       Use the environment variable EDITOR for visudo],
[case $with_env_editor in  
    yes)	env_editor=on
		;;
    no)		env_editor=off
		;;
    *)		AC_MSG_ERROR(["--with-env-editor does not take an argument."])
		;;
esac])
if test "$env_editor" = "on"; then
    AC_DEFINE(ENV_EDITOR, 1, [Define if you want visudo to honor the EDITOR and VISUAL env variables.])
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING(number of tries a user gets to enter their password)
AC_ARG_WITH(passwd-tries, [  --with-passwd-tries     number of tries to enter password (default is 3)],
[case $with_passwd_tries in  
    yes)	;;
    no)		AC_MSG_ERROR(["--without-editor not supported."])
		;;
    [[1-9]]*)	passwd_tries=$with_passwd_tries
		;;
    *)		AC_MSG_ERROR(["you must enter the numer of tries, > 0"])
		;;
esac])
AC_DEFINE_UNQUOTED(TRIES_FOR_PASSWORD, $passwd_tries, [The number of tries a user gets to enter their password.])
AC_MSG_RESULT($passwd_tries)

AC_MSG_CHECKING(time in minutes after which sudo will ask for a password again)
AC_ARG_WITH(timeout, [  --with-timeout          minutes before sudo asks for passwd again (def is 5 minutes)],
[case $with_timeout in  
    yes)	;;
    no)		timeout=0
		;;
    [[0-9]]*)	timeout=$with_timeout
		;;
    *)		AC_MSG_ERROR(["you must enter the numer of minutes."])
		;;
esac])
AC_DEFINE_UNQUOTED(TIMEOUT, $timeout, [The number of minutes before sudo asks for a password again.])
AC_MSG_RESULT($timeout)

AC_MSG_CHECKING(time in minutes after the password prompt will time out)
AC_ARG_WITH(password-timeout, [  --with-password-timeout passwd prompt timeout in minutes (default is 5 minutes)],
[case $with_password_timeout in  
    yes)	;;
    no)		password_timeout=0
		;;
    [[0-9]]*)	password_timeout=$with_password_timeout
		;;
    *)		AC_MSG_ERROR(["you must enter the numer of minutes."])
		;;
esac])
AC_DEFINE_UNQUOTED(PASSWORD_TIMEOUT, $password_timeout, [The passwd prompt timeout (in minutes).])
AC_MSG_RESULT($password_timeout)

AC_ARG_WITH(execv, [  --with-execv            use execv() instead of execvp()],
[case $with_execv in  
    yes)	AC_MSG_CHECKING(whether to use execvp or execv)
		AC_MSG_RESULT(execv)
		AC_DEFINE(USE_EXECV, 1, [Define if you wish to use execv() instead of execvp() when running programs.])
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-execv does not take an argument."])
		;;
esac])

AC_MSG_CHECKING(whether to use per-tty ticket files)
AC_ARG_WITH(tty-tickets, [  --with-tty-tickets      use a different ticket file for each tty],
[case $with_tty_tickets in  
    yes)	tty_tickets=on
		;;
    no)		tty_tickets=off
		;;
    *)		AC_MSG_ERROR(["--with-tty-tickets does not take an argument."])
		;;
esac])
if test "$tty_tickets" = "on"; then
    AC_DEFINE(USE_TTY_TICKETS, 1, [Define if you want a different ticket file for each tty.])
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING(whether to include insults)
AC_ARG_WITH(insults, [  --with-insults          insult the user for entering an incorrect password],
[case $with_insults in  
    yes)	insults=on
		with_classic_insults=yes
		with_csops_insults=yes
		;;
    no)		insults=off
		;;
    *)		AC_MSG_ERROR(["--with-insults does not take an argument."])
		;;
esac])
if test "$insults" = "on"; then
    AC_DEFINE(USE_INSULTS, 1, [Define if you want to insult the user for entering an incorrect password.])
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
fi

AC_ARG_WITH(all-insults, [  --with-all-insults      include all the sudo insult sets],
[case $with_all_insults in  
    yes)	with_classic_insults=yes
		with_csops_insults=yes
		with_hal_insults=yes
		with_goons_insults=yes
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-all-insults does not take an argument."])
		;;
esac])

AC_ARG_WITH(classic-insults, [  --with-classic-insults  include the insults from the "classic" sudo],
[case $with_classic_insults in  
    yes)	AC_DEFINE(CLASSIC_INSULTS, 1, [Define if you want the insults from the "classic" version sudo.])
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-classic-insults does not take an argument."])
		;;
esac])

AC_ARG_WITH(csops-insults, [  --with-csops-insults    include CSOps insults],
[case $with_csops_insults in  
    yes)	AC_DEFINE(CSOPS_INSULTS, 1, [Define if you want insults culled from the twisted minds of CSOps.])
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-csops-insults does not take an argument."])
		;;
esac])

AC_ARG_WITH(hal-insults, [  --with-hal-insults      include 2001-like insults],
[case $with_hal_insults in  
    yes)	AC_DEFINE(HAL_INSULTS, 1, [Define if you want 2001-like insults.])
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-hal-insults does not take an argument."])
		;;
esac])

AC_ARG_WITH(goons-insults, [  --with-goons-insults    include the insults from the "Goon Show"],
[case $with_goons_insults in  
    yes)	AC_DEFINE(GOONS_INSULTS, 1, [Define if you want insults from the "Goon Show".])
		;;
    no)		;;
    *)		AC_MSG_ERROR(["--with-goons-insults does not take an argument."])
		;;
esac])

dnl include all insult sets on one line
if test "$insults" = "on"; then
    AC_MSG_CHECKING(which insult sets to include)
    i=""
    test "$with_goons_insults" = "yes" && i="goons ${i}"
    test "$with_hal_insults" = "yes" && i="hal ${i}"
    test "$with_csops_insults" = "yes" && i="csops ${i}"
    test "$with_classic_insults" = "yes" && i="classic ${i}"
    AC_MSG_RESULT([$i])
fi

AC_MSG_CHECKING(whether to override the user's path)
AC_ARG_WITH(secure-path, [  --with-secure-path      override the user's path with a built-in one],
[case $with_secure_path in  
    yes)	AC_DEFINE_UNQUOTED(SECURE_PATH, "/bin:/usr/ucb:/usr/bin:/usr/sbin:/sbin:/usr/etc:/etc", [Define to override the user's path with a built-in one.])
		AC_MSG_RESULT([:/usr/ucb:/usr/bin:/usr/sbin:/sbin:/usr/etc:/etc])
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		AC_DEFINE_UNQUOTED(SECURE_PATH, "$with_secure_path")
		AC_MSG_RESULT([$with_secure_path])
		;;
esac], AC_MSG_RESULT(no))

AC_MSG_CHECKING(whether to get ip addresses from the network interfaces)
AC_ARG_WITH(interfaces, [  --without-interfaces    don't try to read the ip addr of ether interfaces],
[case $with_interfaces in  
    yes)	AC_MSG_RESULT(yes)
		;;
    no)		AC_DEFINE(STUB_LOAD_INTERFACES, 1, [Define if the code in interfaces.c does not compile for you.])
		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_ERROR(["--with-interfaces does not take an argument."])
		;;
esac], AC_MSG_RESULT(yes))

AC_MSG_CHECKING(whether stow should be used)
AC_ARG_WITH(stow, [  --with-stow             properly handle GNU stow packaging],
[case $with_stow in
    yes)	AC_MSG_RESULT(yes)
		AC_DEFINE(USE_STOW, 1, [Define if you use stow packaging.])
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_ERROR(["--with-stow does not take an argument."])
		;;
esac], AC_MSG_RESULT(no))

dnl
dnl Options for --enable
dnl

AC_MSG_CHECKING(whether to do user authentication by default)
AC_ARG_ENABLE(authentication,
[  --disable-authentication
                          Do not require authentication by default],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(yes)
		;;
    no)		AC_MSG_RESULT(no)
		AC_DEFINE(NO_AUTHENTICATION, 1, [Define if you don't want sudo to prompt for a password by default.])
		;;
    *)		AC_MSG_RESULT(no)
    		AC_MSG_WARN([Ignoring unknown argument to --enable-authentication: $enableval])
		;;
  esac
], AC_MSG_RESULT(yes))

AC_MSG_CHECKING(whether to disable running the mailer as root)
AC_ARG_ENABLE(root-mailer,
[  --disable-root-mailer   Don't run the mailer as root, run as the user],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(no)
		;;
    no)		AC_MSG_RESULT(yes)
		AC_DEFINE(NO_ROOT_MAILER, 1, [Define to avoid runing the mailer as root.])
		;;
    *)		AC_MSG_RESULT(no)
    		AC_MSG_WARN([Ignoring unknown argument to --enable-root-mailer: $enableval])
		;;
  esac
], AC_MSG_RESULT(no))

AC_ARG_ENABLE(setreuid,
[  --disable-setreuid      Don't try to use the setreuid() function],
[ case "$enableval" in
    no)		SKIP_SETREUID=yes
		;;
    *)		;;
  esac
])

AC_ARG_ENABLE(setresuid,
[  --disable-setresuid      Don't try to use the setresuid() function],
[ case "$enableval" in
    no)		SKIP_SETRESUID=yes
		;;
    *)		;;
  esac
])

AC_MSG_CHECKING(whether to disable use of POSIX saved ids)
AC_ARG_ENABLE(saved-ids,
[  --disable-saved-ids     Don't try to use POSIX saved ids],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(no)
		;;
    no)		AC_MSG_RESULT(yes)
		AC_DEFINE(NO_SAVED_IDS, 1, [Define to avoid using POSIX saved ids.])
		;;
    *)		AC_MSG_RESULT(no)
    		AC_MSG_WARN([Ignoring unknown argument to --enable-saved-ids: $enableval])
		;;
  esac
], AC_MSG_RESULT(no))

AC_MSG_CHECKING(whether to disable shadow password support)
AC_ARG_ENABLE(shadow,
[  --disable-shadow        Never use shadow passwords],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(no)
		;;
    no)		AC_MSG_RESULT(yes)
		CHECKSHADOW="false"
		;;
    *)		AC_MSG_RESULT(no)
    		AC_MSG_WARN([Ignoring unknown argument to --enable-shadow: $enableval])
		;;
  esac
], AC_MSG_RESULT(no))

AC_MSG_CHECKING(whether root should be allowed to use sudo)
AC_ARG_ENABLE(root-sudo,
[  --disable-root-sudo     Don't allow root to run sudo],
[ case "$enableval" in  
    yes)	AC_MSG_RESULT(yes)
		;;
    no)		AC_DEFINE(NO_ROOT_SUDO, 1, [Define if root should not be allowed to use sudo.])
		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_ERROR(["--enable-root-sudo does not take an argument."])
		;;
  esac
], AC_MSG_RESULT(yes))

AC_MSG_CHECKING(whether to log the hostname in the log file)
AC_ARG_ENABLE(log-host,
[  --enable-log-host       Log the hostname in the log file],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(yes)
		AC_DEFINE(HOST_IN_LOG, 1, [Define if you want the hostname to be entered into the log file.])
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_RESULT(no)
    		AC_MSG_WARN([Ignoring unknown argument to --enable-log-host: $enableval])
		;;
  esac
], AC_MSG_RESULT(no))

AC_MSG_CHECKING(whether to invoke a shell if sudo is given no arguments)
AC_ARG_ENABLE(noargs-shell,
[  --enable-noargs-shell   If sudo is given no arguments run a shell],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(yes)
		AC_DEFINE(SHELL_IF_NO_ARGS, 1, [Define if you want sudo to start a shell if given no arguments.])
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_RESULT(no)
    		AC_MSG_WARN([Ignoring unknown argument to --enable-noargs-shell: $enableval])
		;;
  esac
], AC_MSG_RESULT(no))

AC_MSG_CHECKING(whether to set \$HOME to target user in shell mode)
AC_ARG_ENABLE(shell-sets-home,
[  --enable-shell-sets-home
                          set $HOME to target user in shell mode],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(yes)
		AC_DEFINE(SHELL_SETS_HOME, 1, [Define if you want sudo to set $HOME in shell mode.])
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_RESULT(no)
    		AC_MSG_WARN([Ignoring unknown argument to --enable-shell-sets-home: $enableval])
		;;
  esac
], AC_MSG_RESULT(no))

AC_MSG_CHECKING(whether to disable 'command not found' messages)
AC_ARG_ENABLE(path_info,
[  --disable-path-info     Print 'command not allowed' not 'command not found'],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(no)
		;;
    no)		AC_MSG_RESULT(yes)
		AC_DEFINE(DONT_LEAK_PATH_INFO, 1, [Define if you want sudo to display "command not allowed" instead of "command not found" when a command cannot be found.])
		;;
    *)		AC_MSG_RESULT(no)
		AC_MSG_WARN([Ignoring unknown argument to --enable-path-info: $enableval])
		;;
  esac
], AC_MSG_RESULT(no))

dnl
dnl If we don't have egrep we can't do anything...
dnl
AC_CHECK_PROG(EGREPPROG, egrep, egrep, )
if test -z "$EGREPPROG"; then
    AC_MSG_ERROR([Sorry, configure requires egrep to run.])
fi

dnl
dnl Prevent configure from adding the -g flag unless in devel mode
dnl
if test "$with_devel" != "yes"; then
    ac_cv_prog_cc_g=no
fi

dnl
dnl C compiler checks
dnl XXX - the cross-compiler check gets false positives so we override it
dnl
AC_ISC_POSIX
ac_cv_prog_cc_cross="no"
cross_compiling="no"
AC_PROG_CC_STDC
ac_cv_prog_cc_cross="no"
cross_compiling="no"
AC_PROG_CPP

dnl
dnl It is now safe to modify CFLAGS and CPPFLAGS
dnl
if test "$with_devel" = "yes" -a -n "$GCC"; then
    CFLAGS="${CFLAGS} -Wall"
fi

dnl
dnl Find programs we use
dnl
AC_CHECK_PROG(UNAMEPROG, uname, uname, )
AC_CHECK_PROG(TRPROG, tr, tr, )
AC_CHECK_PROG(SEDPROG, sed, sed, )
AC_CHECK_PROG(NROFFPROG, nroff, nroff, )
if test -z "$NROFFPROG"; then
    MANTYPE="cat"
    mansrcdir='$(srcdir)'
fi

dnl
dnl What kind of beastie are we being run on?
dnl Barf if config.cache was generated on another host.
dnl
AC_CANONICAL_HOST
if test -n "$sudo_cv_prev_host"; then
    if test "$sudo_cv_prev_host" != "$host"; then
	AC_MSG_ERROR([config.cache was created on a different host; remove it and re-run configure.])
    else
	AC_MSG_CHECKING(previous host type)
	AC_CACHE_VAL(sudo_cv_prev_host, sudo_cv_prev_host="$host")
	AC_MSG_RESULT([$sudo_cv_prev_host])
    fi
else
    # this will produce no output since there is no cached value
    AC_CACHE_VAL(sudo_cv_prev_host, sudo_cv_prev_host="$host")
fi

dnl
dnl We want to be able to differentiate between different rev's
dnl
if test -n "$host_os"; then
    OS=`echo $host_os | sed 's/[[0-9]].*//'`
    OSREV=`echo $host_os | sed 's/^[[^0-9]]*\([[0-9]][[0-9]]*\).*$/\1/'`
else
    OS="unknown"
    OSREV=0
fi

case "$host" in
    *-*-sunos4*)
		# getcwd(3) opens a pipe to getpwd(1)!?!
		BROKEN_GETCWD=1

		# system headers lack prototypes but gcc helps...
		if test -n "$GCC"; then
		    CPPFLAGS="${CPPFLAGS} -D__USE_FIXED_PROTOTYPES__"
		fi

		# check for password adjunct functions (shadow passwords)
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_FUNCS(getpwanam issecure, , [break])
		    AH_TEMPLATE([HAVE_GETPWANAM], [Define if you have the `getpwanam' function. (SunOS 4.x shadow passwords)])
		    AH_TEMPLATE([HAVE_ISSECURE], [Define if you have the `issecure' function. (SunOS 4.x check for shadow enabled)])
		    CHECKSHADOW="false"
		fi
		;;
    *-*-solaris2*)
		# To get the crypt(3) prototype (so we pass -Wall)
		CPPFLAGS="${CPPFLAGS} -D__EXTENSIONS__"
		# AFS support needs -lucb
		if test "$with_AFS" = "yes"; then
		    AFS_LIBS="-lc -lucb"
		fi
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		test -n "$with_rpath" || with_rpath=yes
		;;
    *-*-aix*)
		# To get all prototypes (so we pass -Wall)
		CPPFLAGS="${CPPFLAGS} -D_XOPEN_EXTENDED_SOURCE"
		SUDO_DEFINE(_ALL_SOURCE)
		SUDO_LDFLAGS="${SUDO_LDFLAGS} -Wl,-bI:\$(srcdir)/aixcrypt.exp"
		if test X"$with_blibpath" != X"no"; then
		    AC_MSG_CHECKING([if linker accepts -Wl,-blibpath])
		    O_LDFLAGS="$LDFLAGS"
		    LDFLAGS="$LDFLAGS -Wl,-blibpath:/usr/lib:/lib"
		    AC_TRY_LINK([], [], [
			if test -n "$with_blibpath" -a "$with_blibpath" != "yes"; then
			    blibpath="$with_blibpath"
			elif test -n "$GCC"; then
			    blibpath="/usr/lib:/lib:/usr/local/lib"
			else
			    blibpath="/usr/lib:/lib"
			fi
			AC_MSG_RESULT(yes)
		    ], [AC_MSG_RESULT(no)])
		fi
		LDFLAGS="$O_LDFLAGS"
		;;
    *-*-hiuxmpp*)
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(sec, getprpwnam, AC_DEFINE(HAVE_GETPRPWNAM) [SUDO_LIBS="${SUDO_LIBS} -lsec"; LIBS="${LIBS} -lsec"; SECUREWARE=1], AC_CHECK_LIB(security, getprpwnam, AC_DEFINE(HAVE_GETPRPWNAM) [SUDO_LIBS="${SUDO_LIBS} -lsecurity"; LIBS="${LIBS} -lsecurity"; SECUREWARE=1]))
		    CHECKSHADOW="false"
		fi
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
    *-*-hpux1[[0-9]]*)
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(sec, getprpwnam, AC_DEFINE(HAVE_GETPRPWNAM) AC_CHECK_LIB(sec, iscomsec, AC_DEFINE(HAVE_ISCOMSEC, 1, [Define if you have the `iscomsec' function. (HP-UX >= 10.x check for shadow enabled)])) [SUDO_LIBS="${SUDO_LIBS} -lsec"; LIBS="${LIBS} -lsec"; SECUREWARE=1])
		    CHECKSHADOW="false"
		fi

		# AFS support needs -lBSD
		if test "$with_AFS" = "yes"; then
		    AFS_LIBS="-lc -lBSD"
		fi
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
    *-*-hpux9*)
		AC_DEFINE(BROKEN_SYSLOG, 1, [Define if the `syslog' function returns a non-zero int to denote failure.])

		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_FUNCS(getspwuid)
		    AH_TEMPLATE([HAVE_GETSPWUID], [Define if you have the `getspwuid' function. (HP-UX <= 9.X shadow passwords)])
		    CHECKSHADOW="false"
		fi

		# DCE support (requires ANSI C compiler)
		if test "$with_DCE" = "yes"; then
		    # order of libs in 9.X is important. -lc_r must be last
		    SUDO_LIBS="${SUDO_LIBS} -ldce -lM -lc_r"
		    LIBS="${LIBS} -ldce -lM -lc_r"
		    CPPFLAGS="${CPPFLAGS} -D_REENTRANT -I/usr/include/reentrant"
		fi

		# AFS support needs -lBSD
		if test "$with_AFS" = "yes"; then
		    AFS_LIBS="-lc -lBSD"
		fi
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
    *-*-hpux*)
		AC_DEFINE(BROKEN_SYSLOG)

		# Not sure if setuid binaries are safe in < 9.x
		if test -n "$GCC"; then
		    SUDO_LDFLAGS="${SUDO_LDFLAGS} -static"
		else
		    SUDO_LDFLAGS="${SUDO_LDFLAGS} -Wl,-a,archive"
		fi

		# AFS support needs -lBSD
		if test "$with_AFS" = "yes"; then
		    AFS_LIBS="-lc -lBSD"
		fi
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
    *-dec-osf*)
		# ignore envariables wrt dynamic lib path
		SUDO_LDFLAGS="${SUDO_LDFLAGS} -Wl,-no_library_replacement"

		AC_MSG_CHECKING(whether to disable sia support on Digital UNIX)
		AC_ARG_ENABLE(sia,
		[  --disable-sia           Never use SIA on Digital UNIX],
		[ case "$enableval" in
		    yes)	AC_MSG_RESULT(no)
				;;
		    no)		AC_MSG_RESULT(yes)
				CHECKSIA=false
				;;
		    *)		AC_MSG_RESULT(no)
				AC_MSG_WARN([Ignoring unknown argument to --enable-sia: $enableval])
				;;
		  esac
		], AC_MSG_RESULT(no))

		# use SIA by default, if we have it, else SecureWare
		# unless overridden on the command line
		if test "$CHECKSIA" = "true"; then
		    AC_CHECK_FUNC(sia_ses_init, [AC_DEFINE(HAVE_SIA, 1, [Define if you use SIA.])] [
		    if test -n "$with_skey" -o -n "$with_opie" -o -n "$with_otp_only" -o -n "$with_long_otp_prompt" -o -n "$with_SecurID" -o -n "$with_fwtk" -o -n "$with_kerb4" -o -n "$with_kerb5" -o -n "$with_pam" -o -n "$with_AFS" -o -n "$with_DCE"; then
			AC_MSG_ERROR(["you cannot mix SIA and other authentication schemes.  You can turn off SIA support via the --disable-sia option"])
		    fi]; CHECKSHADOW=false)
		fi
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(security, getprpwnam, SECUREWARE=1)
		    CHECKSHADOW="false"
		fi

		if test -n "$SECUREWARE"; then
		    AC_DEFINE(HAVE_GETPRPWNAM, 1, [Define if you have the `getprpwnam' function.  (SecureWare-style shadow passwords)])
		    # -ldb includes bogus versions of snprintf/vsnprintf
		    AC_CHECK_FUNCS(snprintf, , [NEED_SNPRINTF=1])
		    AC_CHECK_FUNCS(vsnprintf, , [NEED_SNPRINTF=1])
		    # 4.x and higher need -ldb too...
		    AC_CHECK_LIB(db, dbopen, [SUDO_LIBS="${SUDO_LIBS} -lsecurity -ldb -laud -lm"; LIBS="${LIBS} -lsecurity -ldb -laud -lm"], [SUDO_LIBS="${SUDO_LIBS} -lsecurity -ldb -laud -lm"; LIBS="${LIBS} -lsecurity -ldb -laud -lm"])
		    AC_CHECK_FUNCS(dispcrypt)
		    AC_MSG_CHECKING([for broken /usr/include/prot.h])
		    AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/security.h>
#include <prot.h>
		    ], [exit(0);], AC_MSG_RESULT(no),
		    [AC_MSG_RESULT([yes, fixing locally])
		    sed 's:<acl.h>:<sys/acl.h>:g' < /usr/include/prot.h > prot.h
		    ])
		elif test "$CHECKSIA" = "true"; then
		    with_passwd=no
		    AUTH_OBJS="sia.o"
		fi
		test -n "$mansectsu" || mansectsu=8
		test -n "$mansectform" || mansectform=4
		;;
    *-*-irix*)
		CPPFLAGS="${CPPFLAGS} -D_BSD_TYPES"
		if test -z "$NROFFPROG"; then
		    MAN_POSTINSTALL='	/bin/rm -f $(mandirsu)/sudo.$(mansectsu).z $(mandirsu)/visudo.$(mansectsu).z $(mandirform)/sudoers.$(mansectform).z ; /usr/bin/pack $(mandirsu)/sudo.$(mansectsu) $(mandirsu)/visudo.$(mansectsu) $(mandirform)/sudoers.$(mansectform)'
		    if test "$prefix" = "/usr/local" -a "$mandir" = '$(prefix)/man'; then
			if test -d /usr/share/catman/local; then
			    mandir="/usr/share/catman/local"
			else
			    mandir="/usr/catman/local"
			fi
		    fi
		else
		    if test "$prefix" = "/usr/local" -a "$mandir" = '$(prefix)/man'; then
			if test -d "/usr/share/man/local"; then
			    mandir="/usr/share/man/local"
			else
			    mandir="/usr/man/local"
			fi
		    fi
		fi
		# IRIX <= 4 needs -lsun
		if test "$OSREV" -le 4; then
		    AC_CHECK_LIB(sun, getpwnam, [LIBS="${LIBS} -lsun"])
		fi
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
    *-*-linux*)
		# Some Linux versions need to link with -lshadow
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_FUNCS(getspnam, , [AC_CHECK_LIB(shadow, getspnam, AC_DEFINE(HAVE_GETSPNAM) [SUDO_LIBS="${SUDO_LIBS} -lshadow"; LIBS="${LIBS} -lshadow"])])
		    CHECKSHADOW="false"
		fi
		;;
    *-convex-bsd*)
		SUDO_DEFINE(_CONVEX_SOURCE)
		if test -z "$GCC"; then
		    CFLAGS="${CFLAGS} -D__STDC__"
		fi

		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(sec, getprpwnam, AC_DEFINE(HAVE_GETPRPWNAM) [SUDO_LIBS="${SUDO_LIBS} -lprot"; LIBS="${LIBS} -lprot"; OSDEFS="${OSDEFS} -D_AUDIT -D_ACL -DSecureWare"; SECUREWARE=1])
		    CHECKSHADOW="false"
		fi
		;;
    *-*-ultrix*)
		OS="ultrix"
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(auth, getauthuid, AC_DEFINE(HAVE_GETAUTHUID, 1, [Define if you have the `getauthuid' function.  (ULTRIX 4.x shadow passwords)]) [SUDO_LIBS="${SUDO_LIBS} -lauth"; LIBS="${LIBS} -lauth"])
		    CHECKSHADOW="false"
		fi
		;;
    *-*-riscos*)
		LIBS="${LIBS} -lsun -lbsd"
		CPPFLAGS="${CPPFLAGS} -I/usr/include -I/usr/include/bsd"
		OSDEFS="${OSDEFS} -D_MIPS"
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
    *-*-isc*)
		OSDEFS="${OSDEFS} -D_ISC"
		LIB_CRYPT=1
		SUDO_LIBS="${SUDO_LIBS} -lcrypt"
		LIBS="${LIBS} -lcrypt"

		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(sec, getspnam, AC_DEFINE(HAVE_GETSPNAM) [SUDO_LIBS="${SUDO_LIBS} -lsec"; LIBS="${LIBS} -lsec"])
		    CHECKSHADOW="false"
		fi
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
    *-*-sco*|*-sco-*)
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(prot, getprpwnam, AC_DEFINE(HAVE_GETPRPWNAM) [SUDO_LIBS="${SUDO_LIBS} -lprot -lx"; LIBS="${LIBS} -lprot -lx"; SECUREWARE=1], , -lx)
		    AC_CHECK_LIB(gen, getspnam, AC_DEFINE(HAVE_GETSPNAM) [SUDO_LIBS="${SUDO_LIBS} -lgen"; LIBS="${LIBS} -lgen"])
		    CHECKSHADOW="false"
		fi
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
    m88k-motorola-sysv*)
		# motorolla's cc (a variant of gcc) does -O but not -O2
		CFLAGS=`echo $CFLAGS | sed 's/-O2/-O/g'`
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
    *-sequent-sysv*)
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(sec, getspnam, AC_DEFINE(HAVE_GETSPNAM) [SUDO_LIBS="${SUDO_LIBS} -lsec"; LIBS="${LIBS} -lsec"])
		    CHECKSHADOW="false"
		fi
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		test -n "$with_rpath" || with_rpath=yes
		;;
    *-ncr-sysv4*|*-ncr-sysvr4*)
		AC_CHECK_LIB(c89, strcasecmp, AC_DEFINE(HAVE_STRCASECMP) [LIBS="${LIBS} -lc89"; ac_cv_func_strcasecmp=yes])
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		test -n "$with_rpath" || with_rpath=yes
		;;
    *-ccur-sysv4*|*-ccur-sysvr4*)
		LIBS="${LIBS} -lgen"
		SUDO_LIBS="${SUDO_LIBS} -lgen"
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		test -n "$with_rpath" || with_rpath=yes
		;;
    *-*-bsdi*)
		SKIP_SETREUID=yes
		# Use shlicc for BSD/OS [23].x unless asked to do otherwise
		if test "${with_CC+set}" != set -a "$ac_cv_prog_CC" = gcc; then
		    case "$OSREV" in
			2|3)	AC_MSG_NOTICE([using shlicc as CC])
				ac_cv_prog_CC=shlicc
				CC="$ac_cv_prog_CC"
				;;
		    esac
		fi
		;;
    *-*-freebsd*)
		# FreeBSD has a real setreuid(2) starting with 2.1 and
		# backported to 2.0.5.  We just take 2.1 and above...
		case "`echo $host_os | sed 's/^freebsd\([[0-9\.]]*\).*$/\1/'`" in
		0.*|1.*|2.0*)
		    SKIP_SETREUID=yes
		    ;;
		esac
		if test "$with_logincap" = "yes"; then
		    SUDO_LIBS="${SUDO_LIBS} -lutil"
		fi
		if test "$with_skey" = "yes"; then
		     SUDO_LIBS="${SUDO_LIBS} -lmd"
		fi
		if test "$CHECKSHADOW" = "true"; then
		    CHECKSHADOW="false"
		fi
		;;
    *-*-*openbsd*)
		SKIP_SETREUID=yes
		if test "$CHECKSHADOW" = "true"; then
		    CHECKSHADOW="false"
		fi
		;;
    *-*-*netbsd*)
		# NetBSD has a real setreuid(2) starting with 1.3.2
		case "`echo $host_os | sed 's/^netbsd\([[0-9\.]]*\).*$/\1/'`" in
		0.9*|1.[012]*|1.3|1.3.1)
		    SKIP_SETREUID=yes
		    ;;
		esac
		if test "$CHECKSHADOW" = "true"; then
		    CHECKSHADOW="false"
		fi
		;;
    *-*-*bsd*)
		if test "$CHECKSHADOW" = "true"; then
		    CHECKSHADOW="false"
		fi
		;;
    *-*-darwin*)
		SKIP_SETREUID=yes
		if test "$CHECKSHADOW" = "true"; then
		    CHECKSHADOW="false"
		fi
		;;
    *-*-nextstep*)
		# lockf() on is broken on the NeXT -- use flock instead
		ac_cv_func_lockf=no
		ac_cv_func_flock=yes
		;;
    *-*-*sysv4*)
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		test -n "$with_rpath" || with_rpath=yes
		;;
    *-*-sysv*)
		test -n "$mansectsu" || mansectsu=1m
		test -n "$mansectform" || mansectform=4
		;;
esac

dnl
dnl Use BSD-style man sections by default
dnl
test -n "$mansectsu" || mansectsu=8
test -n "$mansectform" || mansectform=5

dnl
dnl Add in any libpaths or libraries specified via configure
dnl
if test -n "$with_libpath"; then
    for i in ${with_libpath}; do
	SUDO_APPEND_LIBPATH(LDFLAGS, [$i])
    done
fi
if test -n "$with_libraries"; then
    for i in ${with_libraries}; do
	case $i in
	    -l*)	;;
	    *.a)	;;
	    *.o)	;;
	    *)	i="-l${i}";;
	esac
	LIBS="${LIBS} ${i}"
    done
fi

dnl
dnl Check for shadow password routines if we have not already done so.
dnl We check for SVR4-style first and then SecureWare-style.
dnl
if test "$CHECKSHADOW" = "true"; then
    AC_CHECK_FUNCS(getspnam, [CHECKSHADOW="false"], [AC_CHECK_LIB(gen, getspnam, AC_DEFINE(HAVE_GETSPNAM, 1, [Define if you have the `getspnam' function (SVR4-style shadow passwords)]) [SUDO_LIBS="${SUDO_LIBS} -lgen"; LIBS="${LIBS} -lgen"])])
fi
if test "$CHECKSHADOW" = "true"; then
    AC_CHECK_FUNC(getprpwnam, [AC_DEFINE(HAVE_GETPRPWNAM) [CHECKSHADOW="false"; SECUREWARE=1], AC_CHECK_LIB(sec, getprpwnam, AC_DEFINE(HAVE_GETPRPWNAM) [CHECKSHADOW="false"; SECUREWARE=1; SUDO_LIBS="${SUDO_LIBS} -lsec"; LIBS="${LIBS} -lsec"], AC_CHECK_LIB(security, getprpwnam, AC_DEFINE(HAVE_GETPRPWNAM) [CHECKSHADOW="false"; SECUREWARE=1; SUDO_LIBS="${SUDO_LIBS} -lsecurity"; LIBS="${LIBS} -lsecurity"], AC_CHECK_LIB(prot, getprpwnam, AC_DEFINE(HAVE_GETPRPWNAM) [CHECKSHADOW="false"; SECUREWARE=1; SUDO_LIBS="${SUDO_LIBS} -lprot"; LIBS="${LIBS} -lprot"])))])
fi

dnl
dnl C compiler checks (to be done after os checks)
dnl
AC_PROG_GCC_TRADITIONAL
AC_C_CONST
AC_C_VOLATILE
dnl
dnl Program checks
dnl
AC_PROG_YACC
SUDO_PROG_MV
SUDO_PROG_BSHELL
if test -z "$with_sendmail"; then
    SUDO_PROG_SENDMAIL
fi
if test -z "$with_editor"; then
    SUDO_PROG_VI
fi
dnl
dnl Header file checks
dnl
AC_HEADER_STDC
AC_HEADER_DIRENT
AC_CHECK_HEADERS(malloc.h paths.h utime.h netgroup.h sys/sockio.h sys/bsdtypes.h sys/select.h)
AC_CHECK_HEADERS(err.h, , [AC_LIBOBJ(err)])
dnl ultrix termio/termios are broken
if test "$OS" != "ultrix"; then
    AC_SYS_POSIX_TERMIOS
    if test "$ac_cv_sys_posix_termios" = "yes"; then
	AC_DEFINE(HAVE_TERMIOS_H, 1, [Define if you have the <termios.h> header file and the `tcgetattr' function.])
    else
	AC_CHECK_HEADERS(termio.h)
    fi
fi
if test "$with_logincap" = "yes"; then
    AC_CHECK_HEADERS(login_cap.h)
fi
if test "$with_bsdauth" = "yes"; then
    AC_CHECK_HEADER(bsd_auth.h, AC_DEFINE(HAVE_BSD_AUTH_H, 1, [Define if you use BSD authentication.]) [with_passwd=no; AUTH_OBJS=bsdauth.o], -)
fi
dnl
dnl typedef checks
dnl
AC_TYPE_MODE_T
AC_TYPE_UID_T
AC_CHECK_TYPES([sig_atomic_t], , [AC_DEFINE(sig_atomic_t, int, [Define to `int' if <signal.h> does not define.])], [#include <sys/types.h>
#include <signal.h>])
AC_CHECK_TYPES([sigaction_t], [AC_DEFINE(HAVE_SIGACTION_T, 1, [Define if <signal.h> has the sigaction_t typedef.])], ,[#include <sys/types.h>
#include <signal.h>])
SUDO_TYPE_SIZE_T
SUDO_TYPE_SSIZE_T
SUDO_TYPE_DEV_T
SUDO_TYPE_INO_T
SUDO_FULL_VOID
SUDO_UID_T_LEN
SUDO_LONG_LONG
SUDO_SOCK_SA_LEN
dnl
dnl only set RETSIGTYPE if it is not set already
dnl
case "$DEFS" in
    *"RETSIGTYPE"*)	;;
    *)			AC_TYPE_SIGNAL;;
esac
dnl
dnl Function checks
dnl
AC_CHECK_FUNCS(strchr strrchr memchr memcpy memset sysconf tzset \
	       strftime setrlimit initgroups fstat)
if test -z "$SKIP_SETRESUID"; then
    AC_CHECK_FUNCS(setresuid, [SKIP_SETREUID=yes])
fi
if test -z "$SKIP_SETREUID"; then
    AC_CHECK_FUNCS(setreuid)
fi
if test X"$with_interfaces" != X"no"; then
    AC_CHECK_FUNCS(getifaddrs, [AC_CHECK_FUNCS(freeifaddrs)])
fi
if test -n "$SECUREWARE"; then
    AC_CHECK_FUNCS(bigcrypt set_auth_parameters initprivs)
fi
if test -z "$BROKEN_GETCWD"; then
    AC_REPLACE_FUNCS(getcwd)
fi
AC_CHECK_FUNCS(lockf flock, [break])
AC_CHECK_FUNCS(waitpid wait3, [break])
AC_CHECK_FUNCS(innetgr _innetgr, [AC_CHECK_FUNCS(getdomainname) [break]])
AC_CHECK_FUNCS(lsearch, , [AC_CHECK_LIB(compat, lsearch, AC_CHECK_HEADER(search.h, AC_DEFINE(HAVE_LSEARCH) [LIBS="${LIBS} -lcompat"], AC_LIBOBJ(lsearch), -), AC_LIBOBJ(lsearch))])
AC_CHECK_FUNCS(utime, [SUDO_FUNC_UTIME_POSIX], [AC_LIBOBJ(utime)])
SUDO_FUNC_FNMATCH(AC_DEFINE(HAVE_FNMATCH, 1, [Define if you have the `fnmatch' function.]), AC_LIBOBJ(fnmatch))
SUDO_FUNC_ISBLANK
AC_REPLACE_FUNCS(strerror strcasecmp sigaction strlcpy strlcat closefrom)
AC_CHECK_FUNCS(snprintf vsnprintf asprintf vasprintf, , [NEED_SNPRINTF=1])
dnl
dnl If NEED_SNPRINTF is set, add snprintf.c to LIBOBJS
dnl (it contains snprintf, vsnprintf, asprintf, and vasprintf)
dnl
if test -n "$NEED_SNPRINTF"; then
    AC_LIBOBJ(snprintf)
fi
dnl
dnl if crypt(3) not in libc, look elsewhere
dnl
if test -z "$LIB_CRYPT"; then
    AC_CHECK_FUNC(crypt, , [AC_CHECK_LIB(crypt, crypt, [SUDO_LIBS="${SUDO_LIBS} -lcrypt"; LIBS="${LIBS} -lcrypt"], AC_CHECK_LIB(crypt_d, crypt, [SUDO_LIBS="${SUDO_LIBS} -lcrypt_d"; LIBS="${LIBS} -lcrypt_d"], AC_CHECK_LIB(ufc, crypt, [SUDO_LIBS="${SUDO_LIBS} -lufc"; LIBS="${LIBS} -lufc"])))])
fi
dnl
dnl If socket(2) not in libc, check -lsocket and -linet
dnl May need to link with *both* -lnsl and -lsocket due to unresolved symbols
dnl In this case we look for main(), not socket() to avoid using a cached value
dnl
AC_CHECK_FUNC(socket, , [AC_CHECK_LIB(socket, socket, [NET_LIBS="${NET_LIBS} -lsocket"; LIBS="${LIBS} -lsocket"], AC_CHECK_LIB(inet, socket, [NET_LIBS="${NET_LIBS} -linet"; LIBS="${LIBS} -linet"], AC_MSG_WARN(unable to find socket() trying -lsocket -lnsl)
AC_CHECK_LIB(socket, socket, [NET_LIBS="${NET_LIBS} -lsocket -lnsl"; LIBS="${LIBS} -lsocket -lnsl"], , -lnsl)))])
dnl
dnl If inet_addr(3) not in libc, check -lnsl and -linet
dnl May need to link with *both* -lnsl and -lsocket due to unresolved symbols
dnl
AC_CHECK_FUNC(inet_addr, , [AC_CHECK_FUNC(__inet_addr, , AC_CHECK_LIB(nsl, inet_addr, [NET_LIBS="${NET_LIBS} -lnsl"; LIBS="${LIBS} -lnsl"], AC_CHECK_LIB(inet, inet_addr, [NET_LIBS="${NET_LIBS} -linet"; LIBS="${LIBS} -linet"], AC_MSG_WARN(unable to find inet_addr() trying -lsocket -lnsl)
AC_CHECK_LIB(socket, inet_addr, [NET_LIBS="${NET_LIBS} -lsocket -lnsl"; LIBS="${LIBS} -lsocket -lnsl"], , -lnsl))))])
dnl
dnl If syslog(3) not in libc, check -lsocket, -lnsl and -linet
dnl
AC_CHECK_FUNC(syslog, , [AC_CHECK_LIB(socket, syslog, [NET_LIBS="${NET_LIBS} -lsocket"; LIBS="${LIBS} -lsocket"], AC_CHECK_LIB(nsl, syslog, [NET_LIBS="${NET_LIBS} -lnsl"; LIBS="${LIBS} -lnsl"], AC_CHECK_LIB(inet, syslog, [NET_LIBS="${NET_LIBS} -linet"; LIBS="${LIBS} -linet"])))])
dnl
dnl Bison and DCE use alloca(3), if not in libc, use the sudo one (from gcc)
dnl (gcc includes its own alloca(3) but other compilers may not)
dnl
if test "$with_DCE" = "yes" -o "$ac_cv_prog_YACC" = "bison -y"; then
    AC_FUNC_ALLOCA
fi
dnl
dnl Check for getprogname() or __progname
dnl
AC_CHECK_FUNCS(getprogname, , [
    AC_MSG_CHECKING([for __progname])
    AC_CACHE_VAL(sudo_cv___progname, [
    AC_TRY_LINK(, [extern char *__progname; (void)puts(__progname);],
    [sudo_cv___progname=yes], [sudo_cv___progname=no])])
    if test "$sudo_cv___progname" = "yes"; then
	AC_DEFINE(HAVE___PROGNAME, 1, [Define if your crt0.o defines the __progname symbol for you.])
    else
	AC_LIBOBJ(getprogname)
    fi
    AC_MSG_RESULT($sudo_cv___progname)
])
dnl
dnl Kerberos IV
dnl
if test -n "$with_kerb4"; then
    AC_DEFINE(HAVE_KERB4, 1, [Define if you use Kerberos IV.])
    dnl
    dnl Use the specified directory, if any, else search for correct inc dir
    dnl
    O_LDFLAGS="$LDFLAGS"
    if test "$with_kerb4" = "yes"; then
	found=no
	O_CPPFLAGS="$CPPFLAGS"
	for dir in "" "kerberosIV/" "krb4/" "kerberos4/" "kerberosv4/"; do
	    CPPFLAGS="$O_CPPFLAGS -I/usr/include/${dir}"
	    AC_PREPROC_IFELSE([#include <krb.h>], [found=yes; break], )
	done
	test X"$found" = X"no" && CPPFLAGS="$O_CPPFLAGS"
    else
	SUDO_APPEND_LIBPATH(LDFLAGS, [${with_kerb4}/lib])
	SUDO_APPEND_LIBPATH(SUDO_LDFLAGS, [${with_kerb4}/lib])
	CPPFLAGS="$CPPFLAGS -I${with_kerb4}/include"
	AC_CHECK_HEADER([krb.h], [found=yes], [found=no])
    fi
    if test X"$found" = X"no"; then
	AC_MSG_WARN([Unable to locate Kerberos IV include files, you will have to edit the Makefile and add -I/path/to/krb/includes to CPPFLAGS])
    fi

    dnl
    dnl Check for -ldes vs. -ldes425
    dnl
    AC_CHECK_LIB(des, des_cbc_encrypt, [K4LIBS="-ldes"], [
	AC_CHECK_LIB(des425, des_cbc_encrypt, [K4LIBS="-ldes425"], [K4LIBS=""])
    ])
    dnl
    dnl Try to determine whether we have KTH or MIT/CNS Kerberos IV
    dnl
    AC_MSG_CHECKING(whether we are using KTH Kerberos IV)
    AC_TRY_COMPILE([#include <krb.h>], [const char *tmp = krb4_version;],
	[
	    AC_MSG_RESULT(yes)
	    K4LIBS="${K4LIBS} -lcom_err"
	    AC_CHECK_LIB(roken, main, [K4LIBS="${K4LIBS} -lroken"])
	], [
	    AC_MSG_RESULT(no)
	]
    )
    dnl
    dnl The actual Kerberos IV lib might be -lkrb or -lkrb4
    dnl
    AC_CHECK_LIB(krb, main, [K4LIBS="-lkrb $K4LIBS"], [
	AC_CHECK_LIB(krb4, main, [K4LIBS="-lkrb4 $K4LIBS"],
	    [K4LIBS="-lkrb $K4LIBS"]
	    [AC_MSG_WARN([Unable to locate Kerberos IV libraries, you will have to edit the Makefile and add -L/path/to/krb/libs to SUDO_LDFLAGS and possibly add Kerberos libs to SUDO_LIBS])]
	, [$K4LIBS])
    ], [$K4LIBS])
    LDFLAGS="$O_LDFLAGS"
    SUDO_LIBS="${SUDO_LIBS} $K4LIBS"
    AUTH_OBJS="${AUTH_OBJS} kerb4.o"
fi

dnl
dnl Kerberos V
dnl There is an easy way and a hard way...
dnl
if test "$with_kerb5" = "yes"; then
    AC_CHECK_PROG(KRB5CONFIG, krb5-config, yes, "")
    if test -n "$KRB5CONFIG"; then
	AC_DEFINE(HAVE_KERB5, 1, [Define if you use Kerberos V.])
	AUTH_OBJS="${AUTH_OBJS} kerb5.o"
	CPPFLAGS="$CPPFLAGS `krb5-config --cflags`"
	SUDO_LIBS="$SUDO_LIBS `krb5-config --libs`"
	dnl
	dnl Try to determine whether we have Heimdal or MIT Kerberos
	dnl
	AC_MSG_CHECKING(whether we are using Heimdal)
	AC_TRY_COMPILE([#include <krb5.h>], [const char *tmp = heimdal_version;],
	    [
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_HEIMDAL, 1, [Define if your Kerberos is Heimdal.])
	    ]
	)
    fi
fi
if test -n "$with_kerb5" -a -z "$KRB5CONFIG"; then
    AC_DEFINE(HAVE_KERB5, 1, [Define if you use Kerberos V.])
    dnl
    dnl Use the specified directory, if any, else search for correct inc dir
    dnl
    if test "$with_kerb5" = "yes"; then
	found=no
	O_CPPFLAGS="$CPPFLAGS"
	for dir in "" "kerberosV/" "krb5/" "kerberos5/" "kerberosv5/"; do
	    CPPFLAGS="$O_CPPFLAGS -I/usr/include/${dir}"
	    AC_PREPROC_IFELSE([#include <krb5.h>], [found=yes; break], )
	done
	if test X"$found" = X"no"; then
	    CPPFLAGS="$O_CPPFLAGS"
	    AC_MSG_WARN([Unable to locate Kerberos V include files, you will have to edit the Makefile and add -I/path/to/krb/includes to CPPFLAGS])
	fi
    else
	dnl XXX - try to include krb5.h here too
	SUDO_APPEND_LIBPATH(SUDO_LDFLAGS, [${with_kerb5}/lib])
	CPPFLAGS="$CPPFLAGS -I${with_kerb5}/include"
    fi

    dnl
    dnl Try to determine whether we have Heimdal or MIT Kerberos
    dnl
    AC_MSG_CHECKING(whether we are using Heimdal)
    AC_TRY_COMPILE([#include <krb5.h>], [const char *tmp = heimdal_version;],
	[
	    AC_MSG_RESULT(yes)
	    AC_DEFINE(HAVE_HEIMDAL, 1, [Define if your Kerberos is Heimdal.])
	    SUDO_LIBS="${SUDO_LIBS} -lkrb5 -ldes -lcom_err -lasn1"
	    AC_CHECK_LIB(roken, main, [SUDO_LIBS="${SUDO_LIBS} -lroken"])
	], [
	    AC_MSG_RESULT(no)
	    SUDO_LIBS="${SUDO_LIBS} -lkrb5 -lk5crypto -lcom_err"
	]
    )
    AUTH_OBJS="${AUTH_OBJS} kerb5.o"
fi

dnl
dnl PAM libs
dnl
if test "$with_pam" = "yes"; then
    AC_HAVE_LIBRARY(dl, SUDO_LIBS="${SUDO_LIBS} -lpam -ldl", SUDO_LIBS="${SUDO_LIBS} -lpam")
fi

dnl
dnl extra AFS libs and includes
dnl
if test "$with_AFS" = "yes"; then

    # looks like the "standard" place for AFS libs is /usr/afsws/lib
    AFSLIBDIRS="/usr/lib/afs /usr/afsws/lib /usr/afsws/lib/afs"
    for i in $AFSLIBDIRS; do
	if test -d ${i}; then
	    SUDO_APPEND_LIBPATH(SUDO_LDFLAGS, [$i])
	    FOUND_AFSLIBDIR=true
	fi
    done
    if test -z "$FOUND_AFSLIBDIR"; then
	AC_MSG_WARN([Unable to locate AFS libraries, you will have to edit the Makefile and add -L/path/to/afs/libs to SUDO_LDFLAGS or rerun configure with the --with-libpath options.])
    fi

    # Order is important here.  Note that we build AFS_LIBS from right to left
    # since AFS_LIBS may be initialized with BSD compat libs that must go last
    AFS_LIBS="-laudit ${AFS_LIBS}"
    for i in $AFSLIBDIRS; do
	if test -f ${i}/util.a; then
	    AFS_LIBS="${i}/util.a ${AFS_LIBS}"
	    FOUND_UTIL_A=true
	    break;
	fi
    done
    if test -z "$FOUND_UTIL_A"; then
	AFS_LIBS="-lutil ${AFS_LIBS}"
    fi
    AFS_LIBS="-lkauth -lprot -lubik -lauth -lrxkad -lsys -ldes -lrx -llwp -lcom_err ${AFS_LIBS}"

    # AFS includes may live in /usr/include on some machines...
    for i in /usr/afsws/include; do
	if test -d ${i}; then
	    CPPFLAGS="${CPPFLAGS} -I${i}"
	    FOUND_AFSINCDIR=true
	fi
    done

    if test -z "$FOUND_AFSLIBDIR"; then
	AC_MSG_WARN([Unable to locate AFS include dir, you may have to edit the Makefile and add -I/path/to/afs/includes to CPPFLAGS or rerun configure with the --with-incpath options.])
    fi
fi

dnl
dnl extra DCE obj + lib
dnl Order of libs in HP-UX 10.x is important, -ldce must be last.
dnl
if test "$with_DCE" = "yes"; then
    DCE_OBJS="${DCE_OBJS} dce_pwent.o"
    SUDO_LIBS="${SUDO_LIBS} -ldce"
fi

dnl
dnl extra S/Key lib and includes
dnl
if test -n "$with_skey"; then
    O_LDFLAGS="$LDFLAGS"
    if test "$with_skey" != "yes"; then
	CPPFLAGS="${CPPFLAGS} -I${with_skey}/include"
	SUDO_APPEND_LIBPATH(LDFLAGS, [${with_skey}/lib])
	SUDO_APPEND_LIBPATH(SUDO_LDFLAGS, [${with_skey}/lib])
	AC_PREPROC_IFELSE([#include <skey.h>], [found=yes], [found=no])
    else
	found=no
	O_CPPFLAGS="$CPPFLAGS"
	for dir in "" "/usr/local" "/usr/contrib"; do
	    test -n "$dir" && CPPFLAGS="$O_CPPFLAGS -I${dir}/include"
	    AC_PREPROC_IFELSE([#include <skey.h>], [found=yes; break], )
	done
	if test "$found" = "no" -o -z "$dir"; then
	    CPPFLAGS="$O_CPPFLAGS"
	else
	    SUDO_APPEND_LIBPATH(LDFLAGS, [${dir}/lib])
	    SUDO_APPEND_LIBPATH(SUDO_LDFLAGS, [${dir}/lib])
	fi
    fi
    if test "$found" = "no"; then
	AC_MSG_WARN([Unable to locate skey.h, you will have to edit the Makefile and add -I/path/to/skey/includes to CPPFLAGS])
    fi
    AC_CHECK_LIB(skey, main, [found=yes], [AC_MSG_WARN([Unable to locate libskey.a, you will have to edit the Makefile and add -L/path/to/skey/lib to SUDO_LDFLAGS])])
    AC_CHECK_LIB(skey, skeyaccess, AC_DEFINE(HAVE_SKEYACCESS, 1, [Define if your S/Key library has skeyaccess().]))
    LDFLAGS="$O_LDFLAGS"
    SUDO_LIBS="${SUDO_LIBS} -lskey"
fi

dnl
dnl extra OPIE lib and includes
dnl
if test -n "$with_opie"; then
    O_LDFLAGS="$LDFLAGS"
    if test "$with_opie" != "yes"; then
	CPPFLAGS="${CPPFLAGS} -I${with_opie}/include"
	SUDO_APPEND_LIBPATH(LDFLAGS, [${with_opie}/lib])
	SUDO_APPEND_LIBPATH(SUDO_LDFLAGS, [${with_opie}/lib])
	AC_PREPROC_IFELSE([#include <opie.h>], [found=yes], [found=no])
    else
	found=no
	O_CPPFLAGS="$CPPFLAGS"
	for dir in "" "/usr/local" "/usr/contrib"; do
	    test -n "$dir" && CPPFLAGS="$O_CPPFLAGS -I${dir}/include"
	    AC_PREPROC_IFELSE([#include <opie.h>], [found=yes; break], )
	done
	if test "$found" = "no" -o -z "$dir"; then
	    CPPFLAGS="$O_CPPFLAGS"
	else
	    SUDO_APPEND_LIBPATH(LDFLAGS, [${dir}/lib])
	    SUDO_APPEND_LIBPATH(SUDO_LDFLAGS, [${dir}/lib])
	fi
    fi
    if test "$found" = "no"; then
	AC_MSG_WARN([Unable to locate opie.h, you will have to edit the Makefile and add -I/path/to/opie/includes to CPPFLAGS])
    fi
    AC_CHECK_LIB(opie, main, [found=yes], [AC_MSG_WARN([Unable to locate libopie.a, you will have to edit the Makefile and add -L/path/to/opie/lib to SUDO_LDFLAGS])])
    LDFLAGS="$O_LDFLAGS"
    SUDO_LIBS="${SUDO_LIBS} -lopie"
fi

dnl
dnl extra SecurID lib + includes
dnl
if test -n "$with_SecurID" -a "$with_SecurID" != "no"; then
    if test "$with_SecurID" != "yes"; then
	:
    elif test -d /usr/ace/examples; then
	with_SecurID=/usr/ace/examples
    else
	with_SecurID=/usr/ace
    fi
    CPPFLAGS="${CPPFLAGS} -I${with_SecurID}"
    _LDFLAGS="${LDFLAGS}"
    SUDO_APPEND_LIBPATH(LDFLAGS, [${with_SecurID}])
    #
    # Determine whether to use the new or old SecurID API
    #
    AC_CHECK_LIB(aceclnt, SD_Init,
	[
	    AUTH_OBJS="securid5.o"
	    SUDO_LIBS="${SUDO_LIBS} -laceclnt -lpthread"
	]
	[
	    SUDO_APPEND_LIBPATH(SUDO_LDFLAGS, [${with_SecurID}])
	], [
	    AUTH_OBJS="securid.o"
	    SUDO_LIBS="${SUDO_LIBS} ${with_SecurID}/sdiclient.a"
	],
	[
	    -lpthread
	]
    )
    LDFLAGS="${_LDFLAGS}"
fi

dnl
dnl extra FWTK libs + includes
dnl
if test -n "$with_fwtk"; then
    if test "$with_fwtk" != "yes"; then
	SUDO_APPEND_LIBPATH(SUDO_LDFLAGS, [${with_fwtk}])
	CPPFLAGS="${CPPFLAGS} -I${with_fwtk}"
	with_fwtk=yes
    fi
    SUDO_LIBS="${SUDO_LIBS} -lauth -lfwall"
fi

dnl
dnl extra 'authenticate' lib (AIX only?)
dnl
if test "$with_authenticate" = "yes"; then
    SUDO_LIBS="${SUDO_LIBS} -ls"
fi

dnl
dnl Add $blibpath to SUDO_LDFLAGS if specified by the user or if we
dnl added -L dirpaths to SUDO_LDFLAGS.
dnl
if test -n "$blibpath"; then
    if test -n "$blibpath_add"; then
    	SUDO_LDFLAGS="$SUDO_LDFLAGS -Wl,-blibpath:${blibpath}${blibpath_add}"
    elif test -n "$with_blibpath" -a "$with_blibpath" != "yes"; then
    	SUDO_LDFLAGS="$SUDO_LDFLAGS -Wl,-blibpath:${blibpath}"
    fi
fi

dnl
dnl Check for log file and timestamp locations
dnl
SUDO_LOGFILE
SUDO_TIMEDIR

dnl
dnl Use passwd (and secureware) auth modules?
dnl
if test "$with_passwd" = "no"; then
    AC_DEFINE(WITHOUT_PASSWD, 1. [Define to avoid using the passwd/shadow file for authentication.])
    if test -z "$AUTH_OBJS"; then
	AC_MSG_ERROR([no authentication methods defined.])
    fi
else
    if test -n "$SECUREWARE"; then
	AUTH_OBJS="${AUTH_OBJS} passwd.o secureware.o"
    else
	AUTH_OBJS="${AUTH_OBJS} passwd.o"
    fi
fi

dnl
dnl LIBS may contain duplicates from SUDO_LIBS or NET_LIBS so prune it.
dnl
if test -n "$LIBS"; then
    L="$LIBS"
    LIBS=
    for l in ${L}; do
	dupe=0
	for sl in ${SUDO_LIBS} ${NET_LIBS}; do
	    test $l = $sl && dupe=1
	done
	test $dupe = 0 && LIBS="${LIBS} $l"
    done
fi

dnl
dnl Set exec_prefix
dnl
test "$exec_prefix" = "NONE" && exec_prefix='$(prefix)'

dnl
dnl Substitute into the Makefile and man pages
dnl
AC_OUTPUT([Makefile sudo.man visudo.man sudoers.man])

dnl
dnl Spew any text the user needs to know about
dnl
if test "$with_pam" = "yes"; then
    case $host in
	*-*-linux*)
	    AC_MSG_NOTICE([You will need to customize sample.pam and install it as /etc/pam.d/sudo])
	    ;;
    esac
fi

dnl
dnl Special bits for autoheader   
dnl
AH_VERBATIM([_GNU_SOURCE],
[/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE	1
#endif])

AH_VERBATIM([_ALL_SOURCE],
[/* Enable non-POSIX extensions on AIX. */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif])

AH_VERBATIM([_CONVEX_SOURCE],
[/* Enable non-POSIX extensions on ConvexOS. */
#ifndef _CONVEX_SOURCE
# undef _CONVEX_SOURCE
#endif])

AH_TOP([#ifndef _SUDO_CONFIG_H
#define _SUDO_CONFIG_H])

AH_BOTTOM([/*
 * Emulate a subset of waitpid() if we don't have it.
 */
#ifdef HAVE_WAITPID
# define sudo_waitpid(p, s, o)	waitpid(p, s, o)
#else
# ifdef HAVE_WAIT3
#  define sudo_waitpid(p, s, o)	wait3(s, o, NULL)
# endif
#endif

/* GNU stow needs /etc/sudoers to be a symlink. */
#ifdef HAVE_STOW
# define stat_sudoers	stat
#else
# define stat_sudoers	lstat
#endif

/* Solaris doesn't use const qualifiers in PAM. */
#ifdef sun
# define PAM_CONST
#else
# define PAM_CONST	const
#endif

#ifdef USE_EXECV
# define EXEC	execv
#else
# define EXEC	execvp
#endif /* USE_EXECV */

/* New ANSI-style OS defs for HP-UX and ConvexOS. */
#if defined(hpux) && !defined(__hpux)
# define __hpux		1
#endif /* hpux */

#if defined(convex) && !defined(__convex__)
# define __convex__	1
#endif /* convex */

/* BSD compatibility on some SVR4 systems. */
#ifdef __svr4__
# define BSD_COMP
#endif /* __svr4__ */

#endif /* _SUDO_CONFIG_H */])