dnl Copyright (C) 1999-2001 Open Source Telecom Corporation.
dnl Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
dnl
dnl As a special exception to the GNU General Public License, if you
dnl distribute this file as part of a program that contains a configuration
dnl script generated by Autoconf, you may include it under the same
dnl distribution terms that you use for the rest of that program.

AC_DEFUN([OST_CC_DYNAMIC],[
    DYN_LOADER=''
    ost_cv_dynloader=no
    AC_REQUIRE([OST_SYS_POSIX])
    AC_CHECK_HEADERS(dlfcn.h)
    AC_CHECK_LIB(dld, shl_load,
        [DYN_LOADER=-ldld,
        AC_DEFINE(HAVE_SHL_LOAD, [1], [have shload plugins])])
    AC_CHECK_LIB(dl, dlopen, [DYN_LOADER=-ldl])
    if test ! -z "$DYN_LOADER" ; then
        ost_cv_dynloader=yes
        AC_DEFINE(HAVE_MODULES, [1], [support for plugin modules])
    else
        AC_CHECK_LIB(c, dlopen, [
            ost_cv_dynloader=yes
            AC_DEFINE(HAVE_MODULES, [1])
        ],[
            AC_CHECK_HEADERS(mach-o/dyld.h,[
                ost_cv_dynloader=yes
                AC_DEFINE(HAVE_MODULES, [1])
                AC_DEFINE(HAVE_MACH_DYLD, [1], [mach dybloader])
            ])
        ])
    fi
    AC_SUBST(DYN_LOADER)
])