sudo/configure.in

dnl
dnl Process this file with GNU autoconf to produce a configure script.
dnl $Id$
dnl
AC_INIT(sudo.h)
AC_CONFIG_HEADER(config.h pathnames.h)
dnl
dnl This won't work before AC_INIT()
dnl
echo "Configuring CU Sudo version 1.5.7"
dnl
dnl Variables that get substituted in the Makefile
dnl
PROGS="sudo visudo"
AC_SUBST(CFLAGS)dnl
AC_SUBST(PROGS)dnl
SUDO_LDFLAGS=""
AC_SUBST(SUDO_LDFLAGS)dnl
VISUDO_LDFLAGS=""
AC_SUBST(VISUDO_LDFLAGS)dnl
SUDO_LIBS=""
AC_SUBST(SUDO_LIBS)dnl
VISUDO_LIBS=""
AC_SUBST(VISUDO_LIBS)dnl
AFS_LIBS=""
AC_SUBST(AFS_LIBS)dnl
CPPFLAGS=""
AC_SUBST(CPPFLAGS)dnl
OSDEFS=""
AC_SUBST(OSDEFS)dnl
DCE_OBJS=""
AC_SUBST(DCE_OBJS)dnl
LIBOBJS=""
AC_SUBST(LIBOBJS)dnl
TGETPASS="tgetpass.o"
AC_SUBST(TGETPASS)dnl
MANTYPE="man"
AC_SUBST(MANTYPE)dnl
MAN_POSTINSTALL=""
AC_SUBST(MAN_POSTINSTALL)dnl
SUDOERS_MODE=0440
AC_SUBST(SUDOERS_MODE)dnl
SUDOERS_UID=0
AC_SUBST(SUDOERS_UID)dnl
SUDOERS_GID=0
AC_SUBST(SUDOERS_GID)dnl
CHECKSHADOW="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' && sysconfdir='/etc'

dnl
dnl Options for --with
dnl

AC_ARG_WITH(CC, [  --with-CC               C compiler to use],
[case $with_CC in
    yes)	echo "Must give --with-CC an argument."
		exit 1
		;;
    no)		echo "Illegal argument: --without-CC."
		exit 1
		;;
    *)		CC=$with_CC
		;;
esac])

AC_ARG_WITH(incpath, [  --with-incpath          additional places to look for include files],
[case $with_incpath in  
    yes)	echo "Must give --with-incpath an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-incpath not supported."
		exit 1
		;;
    *)		echo "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)	echo "Must give --with-libpath an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-libpath not supported."
		exit 1
		;;
    *)		echo "Adding ${with_libpath} to SUDO_LDFLAGS and VISUDO_LDFLAGS"
		for i in ${with_libpath}; do
		    LDFLAGS="${LDFLAGS} -L${i}"
		    SUDO_LDFLAGS="${SUDO_LDFLAGS} -L${i}"
		    VISUDO_LDFLAGS="${VISUDO_LDFLAGS} -L${i}"
		done
		;;
esac])

AC_ARG_WITH(libraries, [  --with-libraries        additional libraries to link with],
[case $with_libraries in  
    yes)	echo "Must give --with-libraries an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-libraries not supported."
		exit 1
		;;
    *)		echo "Adding ${with_libraries} to SUDO_LIBS and VISUDO_LIBS"
		for i in ${with_libraries}; do
		    case $i in
			-l*)	;;
			*.a)	;;
			*.o)	;;
			*)	i="-l${i}";;
		    esac
		    LIBS="${LIBS} ${i}"
		    SUDO_LIBS="${SUDO_LIBS} ${i}"
		    VISUDO_LIBS="${VISUDO_LIBS} ${i}"
		done
		;;
esac])

AC_ARG_WITH(csops, [  --with-csops            add CSOps standard options],
[case $with_csops in  
    yes)	AC_DEFINE(IGNORE_DOT_PATH)
		AC_DEFINE(USE_INSULTS)
		AC_DEFINE(CLASSIC_INSULTS)
		AC_DEFINE(CSOPS_INSULTS)
		AC_DEFINE(ENV_EDITOR)
		echo 'CSOps--adding options: IGNORE_DOT_PATH USE_INSULTS CLASSIC_INSULTS CSOPS_INSULTS ENV_EDITOR'
		;;
    no)		;;
    *)		echo "Ignoring unknown argument to --with-csops: $with_csops"
		;;
esac])

AC_ARG_WITH(skey, [  --with-skey             enable S/Key support ],
[case $with_skey in
    yes)	AC_DEFINE(HAVE_SKEY)
		AC_MSG_CHECKING(whether to try S/Key authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Ignoring unknown argument to --with-skey: $with_skey"
		;;
esac])

AC_ARG_WITH(opie, [  --with-opie             enable OPIE support ],
[case $with_opie in
    yes)	AC_DEFINE(HAVE_OPIE)
		AC_MSG_CHECKING(whether to try NRL OPIE authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Ignoring unknown argument to --with-opie: $with_opie"
		;;
esac])

AC_ARG_WITH(otp-only, [  --with-otp-only         validate user via OTP (skey/opie) only],
[case $with_otp_only in
    yes)	AC_DEFINE(OTP_ONLY)
		AC_MSG_CHECKING(whether to use OTP as the sole authentication method)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Sorry, --with-otp-only does not take an argument."
		exit 1
		;;
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)
		AC_MSG_CHECKING(whether to use a two line prompt for OTP authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Sorry, --with-long-otp-prompt does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(SecurID, [  --with-SecurID          enable SecurID support],
[case $with_SecurID in
    yes)	AC_DEFINE(HAVE_SECURID)
		AC_MSG_CHECKING(whether to use SecurID for authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Sorry, --with-SecurID does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(kerb4, [  --with-kerb4            enable kerberos v4 support],
[case $with_kerb4 in
    yes)	AC_DEFINE(HAVE_KERB4)
		AC_MSG_CHECKING(whether to try Kerberos 4 authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Sorry, --with-kerb4 does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(kerb5, [  --with-kerb5            enable kerberos v5 support],
[case $with_kerb5 in
    yes)	AC_DEFINE(HAVE_KERB5)
		AC_MSG_CHECKING(whether to try Kerberos 5 authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Sorry, --with-kerb5 does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(authenticate, [  --with-authenticate     enable AIX general authentication support],
[case $with_authenticate in
    yes)	AC_DEFINE(HAVE_AUTHENTICATE)
		AC_MSG_CHECKING(whether to use AIX general authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Sorry, --with-authenticate does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(pam, [  --with-pam              enable PAM support],
[case $with_pam in
    yes)	AC_DEFINE(HAVE_PAM)
		AC_MSG_CHECKING(whether to try PAM authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Sorry, --with-pam does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(AFS, [  --with-AFS              enable AFS support],
[case $with_AFS in
    yes)	AC_DEFINE(HAVE_AFS)
		AC_MSG_CHECKING(whether to try AFS (kerberos) authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Sorry, --with-AFS does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(DCE, [  --with-DCE              enable DCE support],
[case $with_DCE in
    yes)	AC_DEFINE(HAVE_DCE)
		AC_MSG_CHECKING(whether to try DCE (kerberos) authentication)
		AC_MSG_RESULT(yes)
		;;
    no)		;;
    *)		echo "Sorry, --with-DCE does not take an argument."
		exit 1
		;;
esac])

AC_MSG_CHECKING(which message/lecture type sudo should use)
AC_ARG_WITH(message, [  --with-message          short, full, or none],
[case $with_message in  
    yes|short)	AC_DEFINE(SHORT_MESSAGE)
		AC_MSG_RESULT(short)
		;;
    no|none)	AC_DEFINE(NO_MESSAGE)
		AC_MSG_RESULT(none)
		;;
    full)	echo "Using long sudo message/lecture for new users"
		AC_MSG_RESULT(full)
		;;
    *)		echo "Unknown argument to --with-message: $with_message"
		exit 1
		;;
esac], [AC_DEFINE(SHORT_MESSAGE) AC_MSG_RESULT(short)])

AC_MSG_CHECKING(whether sudo should log via syslog or to a file)
AC_ARG_WITH(logging, [  --with-logging          log via syslog, file, or both],
[case $with_logging in  
    yes)	echo "Must give --with-logging an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-logfile not supported."
		exit 1
		;;
    syslog)	AC_DEFINE(LOGGING, SLOG_SYSLOG)
		AC_MSG_RESULT(syslog)
		;;
    file)	AC_DEFINE(LOGGING, SLOG_FILE)
		AC_MSG_RESULT(file)
		;;
    both)	AC_DEFINE(LOGGING, SLOG_BOTH)
		AC_MSG_RESULT(both)
		;;
    *)		echo "Unknown argument to --with-logging: $with_logging"
		exit 1
		;;
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 LOG_LOCAL2)],
[case $with_logfac in  
    yes)	echo "Must give --with-logfac an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-logfac not supported."
		exit 1
		;;
    *)		AC_DEFINE_UNQUOTED(LOGFAC, $with_logfac)
		AC_MSG_RESULT([$with_logfac])
		;;
esac], [AC_DEFINE(LOGFAC, LOG_LOCAL2) AC_MSG_RESULT(LOG_LOCAL2)])

AC_ARG_WITH(logpath, [  --with-logpath          path to the sudo log file],
[case $with_logpath in  
    yes)	echo "Must give --with-logpath an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-logpath not supported."
		exit 1
		;;
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)	echo "Must give --with-loglen an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-loglen not supported."
		exit 1
		;;
    [0-9]*)	AC_DEFINE_UNQUOTED(MAXLOGFILELEN, $with_loglen)
		AC_MSG_RESULT([$with_loglen])
		;;
    *)		echo "You must enter a number, not $with_loglen"
		exit 1
		;;
esac], [AC_DEFINE(MAXLOGFILELEN, 80) AC_MSG_RESULT(80)])

AC_MSG_CHECKING(if sudo should ignore '.' or '' in \$PATH)
AC_ARG_WITH(ignore-dot, [  --with-ignore-dot       ignore '.' in the PATH],
[case $with_ignore_dot in  
    yes)	AC_DEFINE(IGNORE_DOT_PATH)
		AC_MSG_RESULT(yes)
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		echo "Sorry, --with-ignore-dot does not take an argument."
		exit 1
		;;
esac], AC_MSG_RESULT(no))

AC_MSG_CHECKING(who should get the mail that sudo sends)
AC_ARG_WITH(alertmail, [  --with-alertmail        who should get sudo mail (default is "root")],
[case $with_alertmail in  
    yes)	echo "Must give --with-alertmail an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-alertmail not supported."
		;;
    *)		AC_DEFINE_UNQUOTED(ALERTMAIL, "$with_alertmail")
		AC_MSG_RESULT([$with_alertmail])
		;;
esac], [AC_DEFINE(ALERTMAIL, "root") AC_MSG_RESULT(root)])

AC_ARG_WITH(mailsubject, [  --with-mailsubject      subject of sudo mail],
[case $with_mailsubject in  
    yes)	echo "Must give --with-mailsubject an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-mailsubject not supported."
		;;
    *)		AC_DEFINE_UNQUOTED(MAILSUBJECT, "$with_mailsubject")
		AC_MSG_CHECKING(sudo mail subject)
		AC_MSG_RESULT([Using alert mail subject: $with_mailsubject])
		;;
esac], AC_DEFINE(MAILSUBJECT, "*** SECURITY information for %h ***"))

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)	AC_DEFINE(SEND_MAIL_WHEN_NO_USER)
		AC_MSG_RESULT(yes)
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		echo "Unknown argument to --with-mail-if-no-user: $with_mail_if_no_user"
		exit 1
		;;
esac], [AC_DEFINE(SEND_MAIL_WHEN_NO_USER) AC_MSG_RESULT(yes)])

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)	AC_DEFINE(SEND_MAIL_WHEN_NOT_OK)
		AC_MSG_RESULT(yes)
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		echo "Unknown argument to --with-mail-if-noperms: $with_mail_if_noperms"
		exit 1
		;;
esac], AC_MSG_RESULT(no))

AC_MSG_CHECKING(for bad password prompt)
AC_ARG_WITH(passprompt, [  --with-passprompt       default password prompt],
[case $with_passprompt in  
    yes)	echo "Must give --with-passprompt an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-passprompt not supported."
		;;
    *)		AC_DEFINE_UNQUOTED(PASSPROMPT, "$with_passprompt")
		AC_MSG_RESULT([$with_passprompt])
		;;
esac], [AC_DEFINE(PASSPROMPT, "Password:") AC_MSG_RESULT(Password:)])

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 $with_badpass_message in  
    yes)	echo "Must give --with-badpass-message an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-badpass-message not supported."
		;;
    *)		AC_DEFINE_UNQUOTED(INCORRECT_PASSWORD, "$with_badpass_message")
		AC_MSG_RESULT([$with_badpass_message])
		;;
esac], [AC_DEFINE(INCORRECT_PASSWORD, "Sorry, try again.") AC_MSG_RESULT([Sorry, try again.])])

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)	AC_DEFINE(FQDN)
		AC_MSG_RESULT(yes)
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		echo "Sorry, --with-fqdn does not take an argument."
		exit 1
		;;
esac], AC_MSG_RESULT(no))

AC_ARG_WITH(timedir, [  --with-timedir          path to the sudo timestamp dir],
[case $with_timedir in  
    yes)	echo "Must give --with-timedir an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-timedir not supported."
		exit 1
		;;
esac])

AC_ARG_WITH(sendmail, [  --with-sendmail=path    set path to sendmail],
[case $with_sendmail in  
    yes)	with_sendmail=""
		;;
    *)		AC_DEFINE_UNQUOTED(_PATH_SENDMAIL, "$with_sendmail")
		;;
esac])

AC_ARG_WITH(sudoers-mode, [  --with-sudoers-mode     mode of sudoers file (defaults to 0440)],
[case $with_sudoers_mode in  
    yes)	echo "Must give --with-sudoers-mode an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-sudoers-mode not supported."
		exit 1
		;;
    [0-9]*)	SUDOERS_MODE=$with_sudoers_mode
		;;
    *)		echo "You must use a numeric uid, not a name."
		exit 1
		;;
esac])

AC_ARG_WITH(sudoers-uid, [  --with-sudoers-uid      uid that owns sudoers file (defaults to 0)],
[case $with_sudoers_uid in  
    yes)	echo "Must give --with-sudoers-uid an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-sudoers-uid not supported."
		exit 1
		;;
    [0-9]*)	SUDOERS_UID=$with_sudoers_uid
		;;
    *)		echo "You must use a numeric uid, not a name."
		exit 1
		;;
esac])

AC_ARG_WITH(sudoers-gid, [  --with-sudoers-gid      gid that owns sudoers file (defaults to 0)],
[case $with_sudoers_gid in  
    yes)	echo "Must give --with-sudoers-gid an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-sudoers-gid not supported."
		exit 1
		;;
    [0-9]*)	SUDOERS_GID=$with_sudoers_gid
		;;
    *)		echo "You must use a numeric gid, not a name."
		exit 1
		;;
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 0022)
  --without-sudo-umask    Preserves the umask of the user invoking sudo.],
[case $with_umask in  
    yes)	echo "Must give --with-umask an argument."
		exit 1
		;;
    no)		AC_MSG_RESULT(user)
		;;
    [0-9]*)	AC_DEFINE_UNQUOTED(SUDO_UMASK, "$with_umask")
		AC_MSG_RESULT([$with_umask])
		;;
    *)		echo "You must enter a numeric mask."
		exit 1
		;;
esac], [AC_DEFINE(SUDO_UMASK, 0022) AC_MSG_RESULT(0022)])

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 $with_runas_default in  
    yes)	echo "Must give --with-runas-default an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-runas-default not supported."
		exit 1
		;;
    *)		AC_DEFINE_UNQUOTED(RUNAS_DEFAULT, "$with_runas_default")
		AC_MSG_RESULT([$with_runas_default])
		;;
esac], [AC_DEFINE(RUNAS_DEFAULT, "root") AC_MSG_RESULT(root)])

AC_ARG_WITH(exempt, [  --with-exempt=group     no passwd needed for users in this group],
[case $with_exempt in  
    yes)	echo "Must give --with-exempt an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-exempt not supported."
		exit 1
		;;
    *)		AC_DEFINE_UNQUOTED(EXEMPTGROUP, "$with_exempt")
		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           Default editor for visudo (defaults to vi)],
[case $with_editor in  
    yes)	echo "Must give --with-editor an argument."
		exit 1
		;;
    no)		echo "Sorry, --without-editor not supported."
		exit 1
		;;
    *)		AC_DEFINE_UNQUOTED(TRIES_FOR_PASSWORD, $with_editor)
		AC_MSG_RESULT([$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)	AC_DEFINE(ENV_EDITOR)
		AC_MSG_RESULT(yes)
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		echo "Sorry, --with-env-editor does not take an argument."
		exit 1
		;;
esac], AC_MSG_RESULT(no))

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)	AC_DEFINE(TRIES_FOR_PASSWORD, 3)
		AC_MSG_RESULT(3)
		;;
    no)		echo "Sorry, --without-editor not supported."
		exit 1
		;;
    [1-9]*)	AC_DEFINE_UNQUOTED(TRIES_FOR_PASSWORD, $with_passwd_tries)
		AC_MSG_RESULT([$with_passwd_tries])
		;;
    *)		echo "You must enter the numer of tries, > 0"
		exit 1
		;;
esac], [AC_DEFINE(TRIES_FOR_PASSWORD, 3) AC_MSG_RESULT(3)])

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)],
[case $with_timeout in  
    yes)	AC_DEFINE(TIMEOUT, 5)
		AC_MSG_RESULT(5)
		;;
    no)		AC_DEFINE(TIMEOUT, 0)
		AC_MSG_RESULT([no timeout])
		;;
    [0-9]*)	AC_DEFINE_UNQUOTED(TIMEOUT, $with_timeout)
		AC_MSG_RESULT([$with_timeout])
		;;
    *)		echo "You must enter the numer of minutes."
		exit 1
		;;
esac], [AC_DEFINE(TIMEOUT, 5) AC_MSG_RESULT(5)])

AC_ARG_WITH(password-timeout, [  --with-password-timeout passwd prompt timeout in minutes (default is 5)],
[case $with_password_timeout in  
    yes)	AC_DEFINE(PASSWORD_TIMEOUT, 5)
		;;
    no)		AC_DEFINE(PASSWORD_TIMEOUT, 0)
		;;
    [0-9]*)	AC_DEFINE_UNQUOTED(PASSWORD_TIMEOUT, $with_password_timeout)
		;;
    *)		echo "You must enter the numer of minutes."
		exit 1
		;;
esac], AC_DEFINE(PASSWORD_TIMEOUT, 5))

AC_ARG_WITH(execv, [  --with-execv            use execv() instead of execvp()],
[case $with_execv in  
    yes)	AC_DEFINE(USE_EXECV)
		;;
    no)		;;
    *)		echo "Sorry, --with-execv does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(tty-tickets, [  --with-tty-tickets      use a different ticket file for each tty],
[case $with_tty_tickets in  
    yes)	AC_DEFINE(USE_TTY_TICKETS)
		;;
    no)		;;
    *)		echo "Sorry, --with-tty-tickets does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(insults, [  --with-insults          insult the user for entering an incorrect password],
[case $with_insults in  
    yes)	AC_DEFINE(USE_INSULTS)
		;;
    no)		;;
    *)		echo "Sorry, --with-insults does not take an argument."
		exit 1
		;;
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)
		;;
    no)		;;
    *)		echo "Sorry, --with-classic-insults does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(csops-insults, [  --with-csops-insults    include CSOps insults],
[case $with_csops_insults in  
    yes)	AC_DEFINE(CSOPS_INSULTS)
		;;
    no)		;;
    *)		echo "Sorry, --with-csops-insults does not take an argument."
		exit 1
		;;
esac])

AC_ARG_WITH(hal-insults, [  --with-hal-insults      include 2001-like insults],
[case $with_hal_insults in  
    yes)	AC_DEFINE(HAL_INSULTS)
		;;
    no)		;;
    *)		echo "Sorry, --with-hal-insults does not take an argument."
		exit 1
		;;
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)
		;;
    no)		;;
    *)		echo "Sorry, --with-goons-insults does not take an argument."
		exit 1
		;;
esac])

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

AC_ARG_WITH(interfaces, [  --without-interfaces    don't try to read the ip addr of ether interfaces],
[case $with_interfaces in  
    yes)	;;
    no)		AC_DEFINE(STUB_LOAD_INTERFACES)
		;;
    *)		echo "Sorry, --with-interfaces does not take an argument."
		exit 1
		;;
esac])

dnl
dnl Options for --enable
dnl

AC_MSG_CHECKING(whether to disable shadow password support)
AC_ARG_ENABLE(tgetpass,
[  --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)
    		echo "Ignoring unknown argument to --enable-tgetpass: $enableval"
		;;
  esac
], AC_MSG_RESULT(no))

AC_MSG_CHECKING(where 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)
		AC_MSG_RESULT(no)
		;;
    *)		echo "Sorry, --enable-root-sudo does not take an argument."
		exit 1
		;;
  esac
], AC_MSG_RESULT(yes))

AC_MSG_CHECKING(whether to use the system getpass function)
AC_ARG_ENABLE(tgetpass,
[  --disable-tgetpass      Use the system getpass() instead of sudo's version],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(no)
		;;
    no)		AC_MSG_RESULT(yes)
		AC_DEFINE(USE_GETPASS)
		TGETPASS=""
		;;
    *)		AC_MSG_RESULT(no)
    		echo "Ignoring unknown argument to --enable-tgetpass: $enableval"
		;;
  esac
], AC_MSG_RESULT(no))

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)
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_RESULT(no)
    		echo "Ignoring unknown argument to --enable-log-host: $enableval"
		;;
  esac
], AC_MSG_RESULT(no))

AC_MSG_CHECKING(whether to wrap long lines in the log file)
AC_ARG_ENABLE(log-wrap,
[  --disable-log-wrap      Do not wrap long lines in the log file],
[ case "$enableval" in
    yes)	AC_MSG_RESULT(yes)
		AC_DEFINE(WRAP_LOG)
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_RESULT(yes)
		AC_DEFINE(WRAP_LOG)
		echo "Ignoring unknown argument to --enable-log-wrap: $enableval"
		;;
  esac
], AC_MSG_RESULT(yes)
  AC_DEFINE(WRAP_LOG)
)

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)
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_RESULT(no)
    		echo "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)
		;;
    no)		AC_MSG_RESULT(no)
		;;
    *)		AC_MSG_RESULT(no)
    		echo "Ignoring unknown argument to --enable-shell-sets-home: $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
    echo "Sorry, configure requires egrep to run."
    exit
fi

dnl
dnl C compiler checks
dnl
ac_cv_prog_cc_cross="no"
cross_compiling="no"
AC_PROG_CC
AC_PROG_CPP
AC_ISC_POSIX

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"
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" != "$host"; then
	echo ""
	echo "Fatal Error: config.cache exists from another platform!"
	echo "Please remove it and re-run configure."
	echo ""
	exit 1
    else
	AC_MSG_CHECKING(previous host type)
	AC_CACHE_VAL(sudo_cv_prev_host, sudo_cv_prev_host="$host")
	echo $sudo_cv_prev_host
    fi
else
    # this will produce no output since there is no cached value
    AC_CACHE_VAL(sudo_cv_prev_host, sudo_cv_prev_host="$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*)
		# Don't really need -lnsl
		LIB_NSL=1

		# getcwd(3) opens a pipe to getpwd(1)!?!
		BROKEN_GETCWD=1

		# check for password adjunct functions (shadow passwords)
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_FUNCS(getpwanam)
		    CHECKSHADOW="false"
		fi
		;;
    *-*-solaris2*)
		# AFS support needs -lucb
		if test "$with_AFS" = "yes"; then
		    AFS_LIBS="-lc -lucb"
		fi
		;;
    *-*-aix*)
		AC_DEFINE(_ALL_SOURCE)
		SUDO_LDFLAGS="${SUDO_LDFLAGS} -Wl,-bI:\$(srcdir)/aixcrypt.exp"
		;;
    *-*-hiuxmpp*)
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(sec, getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [SUDO_LIBS="${SUDO_LIBS} -lsec"], AC_CHECK_LIB(security, getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [SUDO_LIBS="${SUDO_LIBS} -lsecurity"]))
		    CHECKSHADOW="false"
		fi
		;;
    *-*-hpux1[[0-9]]*)
		# uncomment this for a statically linked sudo
		# (XXX - should be an option to configure)
		#STATIC_SUDO=true

		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(sec, getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [SUDO_LIBS="${SUDO_LIBS} -lsec"])
		    CHECKSHADOW="false"
		fi

		if test -n "$STATIC_SUDO"; then
		    if test -n "$GCC"; then
			SUDO_LDFLAGS="${SUDO_LDFLAGS} -static"
		    else
			SUDO_LDFLAGS="${SUDO_LDFLAGS} -Wl,-a,archive"
		    fi
		fi

		# DCE support (requires ANSI C compiler)
		if test "$with_DCE" = "yes"; then
		    if test -n "$GCC"; then
			CPPFLAGS="${CPPFLAGS} -D_HPUX_SOURCE"
		    else
			CPPFLAGS="${CPPFLAGS} -Aa -D_HPUX_SOURCE"
		    fi
		fi

		# AFS support needs -lBSD
		if test "$with_AFS" = "yes"; then
		    AFS_LIBS="-lc -lBSD"
		fi
		;;
    *-*-hpux9*)
		# uncomment this for a statically linked sudo
		# (XXX - should be an option to configure)
		#STATIC_SUDO=true

		AC_DEFINE(BROKEN_SYSLOG)

		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_FUNCS(getspwuid)
		    CHECKSHADOW="false"
		fi

		if test -n "$STATIC_SUDO"; then
		    if test -n "$GCC"; then
			SUDO_LDFLAGS="${SUDO_LDFLAGS} -static"
		    else
			SUDO_LDFLAGS="${SUDO_LDFLAGS} -Wl,-a,archive"
		    fi
		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="-ldce -lM -lc_r"

		    if test -n "$GCC"; then
			CPPFLAGS="${CPPFLAGS} -D_HPUX_SOURCE -D_REENTRANT -I/usr/include/reentrant"
		    else
			CPPFLAGS="${CPPFLAGS} -Aa -D_HPUX_SOURCE -D_REENTRANT -I/usr/include/reentrant"
		    fi
		fi

		# AFS support needs -lBSD
		if test "$with_AFS" = "yes"; then
		    AFS_LIBS="-lc -lBSD"
		fi
		;;
    *-*-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
		;;
    *-dec-osf*)
		# Don't really need -lnsl (DUNIX 4.x has it, < 4.x does not)
		LIB_NSL=1

		# ignore envariables wrt dynamic lib path
		SUDO_LDFLAGS="${SUDO_LDFLAGS} -Wl,-no_library_replacement"

		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(security, getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [SUDO_LIBS="${SUDO_LIBS} -lsecurity"])
		    CHECKSHADOW="false"
		fi
		;;
    *-*-irix*)
		# configure may not think irix has stdc headers
		# but it's good enough for sudo
		AC_DEFINE(STDC_HEADERS)
		if test -z "$NROFFPROG"; then
		    MAN_POSTINSTALL='	/bin/rm -f $(mandir8)/sudo.$(mansect8).z $(mandir8)/visudo.$(mansect8).z $(mandir5)/sudoers.$(mansect5).z ; /usr/bin/pack $(mandir8)/sudo.$(mansect8) $(mandir8)/visudo.$(mansect8) $(mandir5)/sudoers.$(mansect5)'
		    if test -d /usr/share/catman/local; then
			mandir="/usr/share/catman/local"
		    else
			mandir="/usr/catman/local"
		    fi
		else
		    if test -d "/usr/share/man/local"; then
			mandir="/usr/share/man/local"
		    else
			mandir="/usr/man/local"
		    fi
		fi
		;;
    *-*-linux*)
		# Some Linux versions need to link with -lshadow
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_FUNC(getspnam, AC_DEFINE(HAVE_GETSPNAM), AC_CHECK_LIB(shadow, getspnam, AC_DEFINE(HAVE_GETSPNAM) [SUDO_LIBS="${SUDO_LIBS} -lshadow"]))
		    CHECKSHADOW="false"
		fi
		;;
    *-convex-bsd*)
		AC_DEFINE(_CONVEX_SOURCE)
		if test -z "$GCC"; then
		    CFLAGS="${CFLAGS} -D__STDC__"
		fi

		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(sec, getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [SUDO_LIBS="${SUDO_LIBS} -lprot"; OSDEFS="${OSDEFS} -D_AUDIT -D_ACL -DSecureWare"])
		    CHECKSHADOW="false"
		fi
		;;
    *-*-ultrix*)
		OS="ultrix"
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(auth, getauthuid, AC_DEFINE(HAVE_GETAUTHUID) [SUDO_LIBS="${SUDO_LIBS} -lauth"])
		    CHECKSHADOW="false"
		fi
		;;
    *-*-riscos*)
		SUDO_LIBS="${SUDO_LIBS} -lsun -lbsd"
		LIBS="${LIBS} -lsun -lbsd"
		CPPFLAGS="${CPPFLAGS} -I/usr/include -I/usr/include/bsd"
		OSDEFS="${OSDEFS} -D_MIPS"
		;;
    *-*-isc*)
		OSDEFS="${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"])
		    CHECKSHADOW="false"
		fi
		;;
    *-*-sco*)
		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(prot, getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [SUDO_LIBS="${SUDO_LIBS} -lprot -lx"])
		    CHECKSHADOW="false"
		fi
		;;
    *-*-unicos*)
		# configure thinks we have -lsocket and -linet but we don't
		LIB_INET=1
		LIB_SOCKET=1
		;;
    *-sequent-sysv*)
		# we don't want -linet
		LIB_INET=0

		if test "$CHECKSHADOW" = "true"; then
		    AC_CHECK_LIB(sec, getspnam, AC_DEFINE(HAVE_GETSPNAM) [SUDO_LIBS="${SUDO_LIBS} -lsec"])
		    CHECKSHADOW="false"
		fi
		;;
    *-ccur-sysv4|*-ccur-sysvr4)
		LIBS="${LIBS} -lgen -lsocket -lnsl"
		SUDO_LIBS="${SUDO_LIBS} -lgen -lsocket -lnsl"
		LIB_SOCKET=1
		LIB_NSL=1                                    
		;;
    *-*-bsdi*)
		# Use shlicc for BSD/OS 2.x unless asked to do otherwise
		if test "$OSREV" -ge 2 -a "${with_CC+set}" != set -a \
			"$ac_cv_prog_CC" = "gcc"; then
		    echo 'using shlicc as CC'
		    ac_cv_prog_CC=shlicc
		    CC="$ac_cv_prog_CC"
		fi
		;;
    *-*-*bsd*)
		if test "$CHECKSHADOW" = "true"; then
		    CHECKSHADOW="false"
		fi
		;;
    *-*-svr4*|*-*-sysv4*)
		LIBS="${LIBS} -lsocket -lnsl"
		SUDO_LIBS="${SUDO_LIBS} -lsocket -lnsl"
		LIB_SOCKET=1
		LIB_NSL=1                                    
		;;
esac

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 "$CHECKSHADOW" = "true"; then
    AC_CHECK_FUNC(getspnam, AC_DEFINE(HAVE_GETSPNAM) [CHECKSHADOW="false"])
fi
if test "$CHECKSHADOW" = "true"; then
    AC_CHECK_FUNC(getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [CHECKSHADOW="false"], AC_CHECK_LIB(sec, getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [CHECKSHADOW="false"; SUDO_LIBS="${SUDO_LIBS} -lsec"], AC_CHECK_LIB(security, getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [CHECKSHADOW="false"; SUDO_LIBS="${SUDO_LIBS} -lsecurity"], AC_CHECK_LIB(prot, getprpwuid, AC_DEFINE(HAVE_GETPRPWUID) [CHECKSHADOW="false"; SUDO_LIBS="${SUDO_LIBS} -lprot"]))))
fi

dnl
dnl C compiler checks (to be done after os checks)
dnl
AC_PROG_GCC_TRADITIONAL
AC_C_CONST
dnl
dnl Program checks
dnl
AC_PROG_YACC
if test -z "$with_sendmail"; then
    SUDO_PROG_SENDMAIL
fi
SUDO_PROG_MV
SUDO_PROG_BSHELL
SUDO_PROG_VI
dnl
dnl Header file checks
dnl
AC_HEADER_STDC
AC_HEADER_DIRENT
AC_CHECK_HEADERS(string.h strings.h unistd.h malloc.h paths.h utime.h fnmatch.h netgroup.h sys/sockio.h sys/bsdtypes.h sys/select.h)
dnl ultrix termio/termios are broken
if test "$OS" != "ultrix"; then
    AC_CHECK_HEADERS(termio.h)
    AC_CHECK_HEADERS(termios.h, AC_CHECK_FUNCS(tcgetattr))
fi
dnl
dnl typedef checks
dnl
AC_TYPE_MODE_T
AC_TYPE_UID_T
SUDO_TYPE_SIZE_T
SUDO_TYPE_SSIZE_T
SUDO_TYPE_DEV_T
SUDO_TYPE_INO_T
SUDO_FULL_VOID
SUDO_UID_T_LEN
SUDO_SOCK_SA_LEN
dnl
dnl only set RETSIGTYPE if it is not set already
dnl
case "$DEFS" in
    *"RETSIGTYPE"*)	;;
    *)			AC_TYPE_SIGNAL;;
esac
dnl
dnl Function checks
dnl
AC_CHECK_FUNCS(strchr strrchr memcpy memset sysconf sigaction tzset strcasecmp seteuid)
if test "$SHADOW_TYPE" = "SPW_SECUREWARE"; then
    AC_CHECK_FUNCS(bigcrypt)
    AC_CHECK_FUNCS(set_auth_parameters)
fi
if test -z "$BROKEN_GETCWD"; then
    AC_CHECK_FUNC(getcwd, AC_DEFINE(HAVE_GETCWD), LIBOBJS="$LIBOBJS getcwd.o")
fi
AC_CHECK_FUNC(waitpid, AC_DEFINE(HAVE_WAITPID), AC_CHECK_FUNCS(wait3))
AC_CHECK_FUNC(innetgr, AC_DEFINE(HAVE_INNETGR) AC_CHECK_FUNCS(getdomainname))
AC_CHECK_FUNC(strdup, AC_DEFINE(HAVE_STRDUP), LIBOBJS="$LIBOBJS strdup.o")
AC_CHECK_FUNC(lsearch, AC_DEFINE(HAVE_LSEARCH), AC_CHECK_LIB(compat, lsearch, AC_CHECK_HEADER(search.h, AC_DEFINE(HAVE_LSEARCH) SUDO_LIBS="${SUDO_LIBS} -lcompat"; VISUDO_LIBS="${VISUDO_LIBS} -lcompat", LIBOBJS="$LIBOBJS lsearch.o"), LIBOBJS="$LIBOBJS lsearch.o"))
AC_CHECK_FUNC(setenv, AC_DEFINE(HAVE_SETENV), AC_FUNC_CHECK(putenv, AC_DEFINE(HAVE_PUTENV), LIBOBJS="$LIBOBJS putenv.o"))
AC_CHECK_FUNC(utime, AC_DEFINE(HAVE_UTIME)
SUDO_FUNC_UTIME_POSIX
AC_FUNC_UTIME_NULL, LIBOBJS="$LIBOBJS utime.o")
SUDO_FUNC_FNMATCH(AC_DEFINE(HAVE_FNMATCH), LIBOBJS="$LIBOBJS fnmatch.o")
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", AC_CHECK_LIB(crypt_d, crypt, SUDO_LIBS="${SUDO_LIBS} -lcrypt_d", AC_CHECK_LIB(crypt, ufc, SUDO_LIBS="${SUDO_LIBS} -lufc"))))
fi
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 library checks
dnl
dnl Irix doesn't want -lnsl or -lsocket (and Irix 4 needs -lsun)
if test "$OS" != "irix"; then
    if test -z "$LIB_NSL"; then
	AC_CHECK_LIB(nsl, main, SUDO_LIBS="${SUDO_LIBS} -lnsl")
    fi
    if test -z "$LIB_SOCKET"; then
	AC_CHECK_LIB(socket, main, SUDO_LIBS="${SUDO_LIBS} -lsocket")
    fi
elif test "$OSREV" -lt 5; then
    AC_CHECK_LIB(sun, getpwnam, [SUDO_LIBS="${SUDO_LIBS} -lsun"
VISUDO_LIBS="${VISUDO_LIBS} -lsun"]
)
fi
if test -z "$LIB_INET"; then
    AC_CHECK_LIB(inet, main, SUDO_LIBS="${SUDO_LIBS} -linet")
fi
dnl
dnl Find kerberos includes and libs or complain
dnl
if test "$with_kerb4" = "yes" -o "$with_kerb5" = "yes"; then
    if test -f "/usr/include/kerberosIV/krb.h"; then
	CPPFLAGS="${CPPFLAGS} -I/usr/include/kerberosIV"
    elif test -f "/usr/local/include/kerberosIV/krb.h"; then
	CPPFLAGS="${CPPFLAGS} -I/usr/local/include/kerberosIV"
    elif test -f "/usr/kerberos/include/krb.h"; then
	CPPFLAGS="${CPPFLAGS} -I/usr/kerberos/include"
    elif test -f "/usr/local/kerberos/include/krb.h"; then
	CPPFLAGS="${CPPFLAGS} -I/usr/local/kerberos/include"
    else
	echo 'Unable to locate kerberos include files, you will have to edit the Makefile and add -I/path/to/krb/includes to CPPFLAGS'
    fi

    if test -d "/usr/kerberos/lib"; then
	SUDO_LDFLAGS="${SUDO_LDFLAGS} -L/usr/kerberos/lib"
    elif test -d "/usr/lib/kerberos"; then
	SUDO_LDFLAGS="${SUDO_LDFLAGS} -L/usr/lib/kerberos"
    elif test -f "/usr/local/lib/libkrb.a"; then
	SUDO_LDFLAGS="${SUDO_LDFLAGS} -L/usr/local/lib"
    elif test ! -f "/usr/lib/libkrb.a"; then
	echo 'Unable to locate kerberos libraries, you will have to edit the Makefile and add -L/path/to/krb/libs to SUDO_LDFLAGS'
    fi

    test "$OS" = "solaris" && echo "If you are using the Sun's Solaris kerberos you will need to remove -ldes from the SUDO_LIBS define in the Makefile"
    SUDO_LIBS="${SUDO_LIBS} -lkrb -ldes"
    if test "$with_kerb5" = "yes"; then
	SUDO_LIBS="${SUDO_LIBS} -ldes425 -lkrb5 -lcrypto -lcom_err"
    fi
fi

dnl
dnl PAM libs and includes
dnl
if test "$with_pam" = "yes"; then
    SUDO_LIBS="${SUDO_LIBS} -ldl -lpam -lpam_misc"
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 ${i}; then
	    SUDO_LDFLAGS="${SUDO_LDFLAGS} -L${i}"
	    FOUND_AFSLIBDIR=true
	fi
    done
    if test -z "$FOUND_AFSLIBDIR"; then
	echo '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
	echo '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 "$with_skey" = "yes"; then
    SUDO_LIBS="${SUDO_LIBS} -lskey"
    if test -f /usr/include/skey.h -a -f /usr/lib/libskey.a; then
	:
    elif test -f /usr/local/include/skey.h; then
	CPPFLAGS="${CPPFLAGS} -I/usr/local/include"
	SUDO_LDFLAGS="${SUDO_LDFLAGS} -L/usr/local/lib"
    elif test "$with_csops" = "yes" -a -f /tools/cs/skey/include/skey.h -a -f /tools/cs/skey/lib/libskey.a; then
	CPPFLAGS="${CPPFLAGS} -I/tools/cs/skey/include"
	SUDO_LDFLAGS="${SUDO_LDFLAGS} -L/tools/cs/skey/lib"
    else
	echo 'Unable to locate libskey.a and/or skey.h, you will have to edit the Makefile and add -L/path/to/skey/lib to SUDO_LDFLAGS and/or -I/path/to/skey.h to CPPFLAGS'
    fi
fi

dnl
dnl extra OPIE lib and includes
dnl
if test "$with_opie" = "yes"; then
    SUDO_LIBS="${SUDO_LIBS} -lopie"
    if test -f /usr/include/opie.h -a -f /usr/lib/libopie.a; then
	:
    elif test -f /usr/local/include/opie.h; then
	CPPFLAGS="${CPPFLAGS} -I/usr/local/include"
	SUDO_LDFLAGS="${SUDO_LDFLAGS} -L/usr/local/lib"
    else
	echo 'Unable to locate libopie.a and/or opie.h, you will have to edit the Makefile and add -L/path/to/opie/lib to SUDO_LDFLAGS and/or -I/path/to/opie.h to CPPFLAGS'
    fi
fi

dnl
dnl extra SecurID lib + includes
dnl
if test "$with_SecurID" = "yes"; then
    SUDO_LIBS="${SUDO_LIBS} /usr/ace/sdiclient.a"
    CPPFLAGS="${CPPFLAGS} -I/usr/ace"
fi

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

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

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

dnl
dnl Substitute into the Makefiles
dnl
AC_OUTPUT(Makefile)

dnl
dnl Spew any text the user needs to know about
dnl
if test "$with_pam" = "yes"; then
    echo ""
    echo "You will need to customize sample.pam and install it as /etc/pam.d/sudo"
    echo ""
fi