Date: Thu, 28 Mar 2019 08:37:12 -0600 From: Alan Somers <asomers@freebsd.org> To: Sebastian Huber <sebastian.huber@embedded-brains.de> Cc: FreeBSD <freebsd-hackers@freebsd.org> Subject: Re: What is the purpose of BURN_BRIDGES? Message-ID: <CAOtMX2jCHqrESzNZKpOcfEL1oc4JRP2u5io7zTMj9AiJO71Cfw@mail.gmail.com> In-Reply-To: <1fd4571d-0da1-e325-b6a1-a3cc12f2f05d@embedded-brains.de> References: <1fd4571d-0da1-e325-b6a1-a3cc12f2f05d@embedded-brains.de>
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On Thu, Mar 28, 2019 at 6:46 AM Sebastian Huber <sebastian.huber@embedded-brains.de> wrote: > > Hello, > > I turned on BURN_BRIDGES in my global kernel configuration and now I get > undefined references, e.g. > > > No BURN_BRIDGES conditional compilation. Is this option supposed to > work? What is its purpose? I enabled it to get rid of some legacy stuff > in bpf.c. > > -- > Sebastian Huber, embedded brains GmbH I've often wondered that myself. "svn blame" turns up the following. Evidentially the code didn't disappear in 6.0 after all. ------------------------------------------------------------------------ r116236 | imp | 2003-06-11 22:39:32 -0600 (Wed, 11 Jun 2003) | 5 lines New global option: BURN_BRIDGES Compile out code that will disappear in 6.0, per Peter Wemm's bridge burning proposal.
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