mono/mono — pull request #679 by jack-pappas (2013-07-02 02:07:20+00:00)
Title: Enable sigaltstack and dtrace on FreeBSD

Enable the use of sigaltstack and DTrace on FreeBSD. Note that while DTrace is enabled here (with `has_dtrace=yes`), the DTrace hooks will only be compiled into Mono when the FreeBSD kernel has been compiled with DTrace support.