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David Gibson authored
This adds a new HAVE_UCONTEXT define, which indicates that ucontext.h is present, and more-or-less works. It also adds HAVE_POINTER_SAFE_MAKECONTEXT, which indicates whether pointer valued arguments can be passed through the varargs parameters to makecontext(). Signed-off-by:
David Gibson <david@gibson.dropbear.id.au>
d4c7616d