dnl Copyright (C) 2005 by the Massachusetts Institute of Technology.

dnl All rights reserved.

dnl

dnl Export of this software from the United States of America may

dnl   require a specific license from the United States Government.

dnl   It is the responsibility of any person or organization contemplating

dnl   export to obtain such a license before exporting.

dnl 

dnl WITHIN THAT CONSTRAINT, permission to use, copy, modify, and

dnl distribute this software and its documentation for any purpose and

dnl without fee is hereby granted, provided that the above copyright

dnl notice appear in all copies and that both that copyright notice and

dnl this permission notice appear in supporting documentation, and that

dnl the name of M.I.T. not be used in advertising or publicity pertaining

dnl to distribution of the software without specific, written prior

dnl permission.  Furthermore if you modify this software you must label

dnl your software as modified software and not distribute it in such a

dnl fashion that it might be confused with the original M.I.T. software.

dnl M.I.T. makes no representations about the suitability of

dnl this software for any purpose.  It is provided "as is" without express

dnl or implied warranty.

dnl AC_CHECK_KRB5

dnl

dnl Check for krb5-config; update CPPFLAGS and LDFLAGS accordingly.

dnl

AC_DEFUN([AC_CHECK_KRB5],

[AC_ARG_WITH([kerberos5],

	[  --with-kerberos5=PATH   Enable Kerberos 5 support],

	[if test "x$withval" != "xno"; then

		if test "x$withval" = "xyes"; then

			KRB5ROOT=/usr/local

		else

			KRB5ROOT=${withval}

		fi

		AC_MSG_CHECKING([for krb5-config])

		if test -x "$KRB5ROOT/bin/krb5-config"; then

			KRB5CONF=$KRB5ROOT/bin/krb5-config

			AC_MSG_RESULT([$KRB5CONF])

			AC_MSG_CHECKING([for gssapi support in krb5-config])

			if "$KRB5CONF" | grep gssapi > /dev/null; then

				AC_MSG_RESULT([yes])

				k5confopts=gssapi

			else

				AC_MSG_RESULT([no])

				k5confopts=

			fi

			K5CFLAGS=`"$KRB5CONF" --cflags $k5confopts`

			CPPFLAGS="$CPPFLAGS $K5CFLAGS"

			K5LIBS=`"$KRB5CONF" --libs $k5confopts`

			LIBS="$LIBS $K5LIBS"

		else

			AC_MSG_RESULT([no])

			AC_MSG_WARN([--with-kerberos5 specified but krb5-config not found])

		fi

	fi])

])