2 AC_DEFUN([rk_LIBDISPATCH],[
4 AC_CHECK_PROGS(GCD_MIG, mig, no)
6 if test "$GCD_MIG" != no; then
7 AC_CHECK_HEADERS([dispatch/dispatch.h])
8 AC_FIND_FUNC_NO_LIBS(dispatch_async_f, dispatch,
9 [#ifdef HAVE_DISPATCH_DISPATCH_H
10 #include <dispatch/dispatch.h>
13 if test "$ac_cv_func_dispatch_async_f" = yes -a "$GCD_MIG" != no; then
14 AC_DEFINE([HAVE_GCD], 1, [Define if os support gcd.])
21 AM_CONDITIONAL(have_gcd, test "$libdispatch" = yes -a "$GCD_MIG" != no)