Date: Thu, 24 Mar 2005 16:13:08 -0700 From: Scott Long <scottl@samsco.org> To: Matthias Buelow <mkb@incubus.de> Cc: freebsd-amd64@freebsd.org Subject: Re: undefined reference to `memset' Message-ID: <42434984.3050807@samsco.org> In-Reply-To: <20050324220259.GA770@drjekyll.mkbuelow.net> References: <IDTR9T00.LMF@hadar.amcc.com> <200503232122.01937.peter@wemm.org> <86acosykew.fsf@xps.des.no> <42431F9D.5080906@samsco.org> <20050324220259.GA770@drjekyll.mkbuelow.net>
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Matthias Buelow wrote: > Scott Long writes: > > >>No it doesn't. See the gymnastics that Bill Paul had to do recently in >>the iee80211 code to get around the insane inlining that gcc does with >>-O2. I'm not saying that gcc produces incorrect code, but I am saying >>that there is very strong evidence that it produces code that is >>incompatible with the restrictions inherent to the kernel, mainly that >>stack space is not infinite. > > > I wonder how this is being done elsewhere, on NetBSD, everything is > built with -O2 and has been for several years afair. > Not that I care much about it but apparently it doesn't seem to be > such a big problem everywhere? > > mkb. > I'm sure that it's highly dependent on the version of gcc in use and the other -f flags that are passed to it, neither of which I'm familiar with in NetBSD. Scott
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