1 AC_DEFUN([MY_FUNC_MAKECONTEXT],
3 AC_REQUIRE([AC_CANONICAL_HOST])
6 # ucontext appears to be broken, avoid it for now
7 ac_cv_func_makecontext=no
10 AC_CHECK_FUNCS(makecontext)
14 AC_DEFINE([MAKECONTEXT_SP_HIGH], 1,
15 [Define if your makecontext() requires ss_sp at the top of the stack])