Date: Wed, 31 Oct 2012 09:33:08 +0100 From: =?ISO-8859-1?Q?Bernhard_Fr=F6hlich?= <decke@FreeBSD.org> To: Mike Jakubik <mike.jakubik@intertainservices.com> Cc: emulation@freebsd.org, ports@freebsd.org, freebsd-ports@freebsd.org Subject: Re: [Call for Testers] VirtualBox 4.2.4 Message-ID: <CAE-m3X13PuXBG3zFZqN8fYpVbkN0N1QQdTaZVr8S=gnJXFok%2BQ@mail.gmail.com> In-Reply-To: <139b8512fefc230ef47d1b0a51e7ea88@intertainservices.com> References: <CAE-m3X0bA2g3yMomta1pZwtfi_FawDvzyE=aKaJ6x_QFRVMtOA@mail.gmail.com> <201210301512.12568.mike.jakubik@intertainservices.com> <CAE-m3X054xDBEev=7n8zXOK5ZbkP-ADKFWuVyLt8kA4g5LzJmg@mail.gmail.com> <F3383DBE-3DE4-4432-99E5-4D3A5BE3E22C@vt.edu> <139b8512fefc230ef47d1b0a51e7ea88@intertainservices.com>
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On Wed, Oct 31, 2012 at 8:42 AM, Mike Jakubik <mike.jakubik@intertainservices.com> wrote: > On 2012-10-30 08:07 PM, Jason Andresen wrote: >> >> On Oct 30, 2012, at 15:56, Bernhard Fr=F6hlich <decke@FreeBSD.org> wrote= : >> >>> Clang does not support global registered variables so it's not supposed >>> to >>> work. >> >> >> Is this a feature? Is there a reason why clang couldn't be updated >> to support this if actual software is using it? > > > It is a feature, but it appears to be a dirty one. Below is a link to a > supposed Apple developer explaining the lack of this feature. I'm not a > programmer but a humble sysadmin, so i do not know if this is true. > > http://nondot.org/sabre/LLVMNotes/GlobalRegisterVariables.txt That problem also prevents QEMU from being build correctly with LLVM. I'm just quoting the LLVM Users Manual: "clang does not support global register variables; this is unlikely to be implemented soon because it requires additional LLVM backend support." http://clang.llvm.org/docs/UsersManual.html --=20 Bernhard Froehlich http://www.bluelife.at/
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