if test ".$mcsc" = .yes; then
AC_MSG_RESULT(found working ucontext. Great!)
AC_DEFINE([CONTEXT_UCONTEXT],1,[Define if xbt contexts are based on ucontext or not])
if test ".$mcsc" = .yes; then
AC_MSG_RESULT(found working ucontext. Great!)
AC_DEFINE([CONTEXT_UCONTEXT],1,[Define if xbt contexts are based on ucontext or not])