AC_ARG_ENABLE(context,
[ --enable-context=[ucontext/pthread] Use either (System V) swapcontext or pthread [[default=ucontext]].],,
- enable_context=ucontext)
+ enable_context=pthread)
AC_MSG_CHECKING(on top of what can we build the contexts)
if test "x$enable_context" = "xucontext"; then
ac_header=ucontext.h