+dnl m4/zlib.m4
+dnl
+dnl Copyright (C) 2007 R. Grafl, A. Krall, C. Kruegel,
+dnl C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+dnl E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+dnl J. Wenninger, Institut f. Computersprachen - TU Wien
+dnl
+dnl This file is part of CACAO.
+dnl
+dnl This program is free software; you can redistribute it and/or
+dnl modify it under the terms of the GNU General Public License as
+dnl published by the Free Software Foundation; either version 2, or (at
+dnl your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+dnl General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software
+dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+dnl 02110-1301, USA.
+dnl
+dnl $Id: configure.ac 7228 2007-01-19 01:13:48Z edwin $
+
+
+dnl check if annotations support should be built
+
+AC_DEFUN([AC_CHECK_ENABLE_ANNOTATIONS],[
+AC_MSG_CHECKING(wether to build annotations support)
+AC_ARG_ENABLE([annotations],
+ [AS_HELP_STRING(--enable-annotations,build annotations support [[default=no]])],
+ [case "${enableval}" in
+ yes)
+ ENABLE_ANNOTATIONS=yes
+ ;;
+ *)
+ ENABLE_ANNOTATIONS=no
+ ;;
+ esac],
+ [ENABLE_ANNOTATIONS=no])
+AC_MSG_RESULT(${ENABLE_ANNOTATIONS})
+AM_CONDITIONAL([ENABLE_ANNOTATIONS], test x"${ENABLE_ANNOTATIONS}" = "xyes")
+
+if test x"${ENABLE_ANNOTATIONS}" = "xyes"; then
+ AC_DEFINE([ENABLE_ANNOTATIONS], 1, [enable annotations])
+fi
+])