Date: Wed, 01 Dec 1999 00:50:57 +0800 From: Peter Wemm <peter@netplex.com.au> To: "Daniel C. Sobral" <dcs@newsguy.com> Cc: Marcel Moolenaar <marcel@scc.nl>, current@FreeBSD.ORG Subject: Re: kernel: -mpreferred-stack-boundary=2 ?? Message-ID: <19991130165057.91EB91CA0@overcee.netplex.com.au> In-Reply-To: Message from "Daniel C. Sobral" <dcs@newsguy.com> of "Tue, 30 Nov 1999 22:59:59 %2B0900." <3843D85F.959CDB2E@newsguy.com>
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"Daniel C. Sobral" wrote: > Marcel Moolenaar wrote: > > > > Julian Elischer wrote: > > > > > > When did this come in? (I have been seeing it for a while but.. > > > I thought this was to save space on the bootblocks, not the entire > > > kernel?) > > > > Shortly after setting it for the bootblock. It breaks backward > > compatibility and bogusly applies to the tools (xxx_genassym) as well. > > As you can tell, I'm not quite happy with it... > > That's why we made world first and kernel later for so long, y'know. > Changing userland "tools" to depend on new syscalls has always been > a far more rare happening than changing kernel to depend on new > userland tools. -mpreferred-stack-boundary=2 is only picked up after a 'make world'. There's nothing stopping you building a -current kernel on an older world or older gcc. It's the world build that activates the option when bsd.kern.mk is installed in /usr/share/mk. Cheers, -Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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