Date: Mon, 15 Mar 2004 18:03:24 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: obrien@freebsd.org Cc: cvs-src@freebsd.org Subject: Re: cvs commit: src/share/mk bsd.cpu.mk bsd.dep.mk bsd.lib.mk bsd.sys.mk src/sys/conf files kern.mk kern.pre.mk kmod.mk src/sys/dev/aic7xxx/aicasm Makefile Message-ID: <20040315180324.0fa39609@Magellan.Leidinger.net> In-Reply-To: <20040315033213.GA40858@dragon.nuxi.com> References: <200403122136.i2CLaCm9096276@repoman.freebsd.org> <20040315033213.GA40858@dragon.nuxi.com>
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On Sun, 14 Mar 2004 19:32:13 -0800 "David O'Brien" <obrien@freebsd.org> wrote: > On Fri, Mar 12, 2004 at 01:36:12PM -0800, Tom Rhodes wrote: > > Modified files: > > share/mk bsd.cpu.mk bsd.dep.mk bsd.lib.mk > > bsd.sys.mk > > sys/conf files kern.mk kern.pre.mk kmod.mk > > sys/dev/aic7xxx/aicasm Makefile > > Log: > > This are the build infrastructure changes to allow to use the > > Intel C/C++ compiler (lang/icc) to build the kernel. > ... > > Problems with icc v8: > > - panic: npx0 cannot be emulated on an SMP system > > - UP: first start of /bin/sh results in a FP exception > > You forgot the other problems with icc v8 -- Intel's preditorial > behavior. Note that some parts of the Intel compilers support libs do a > CPUID call and if it notes an AMD CPU either segfaults or dumbs down the > capabilities of the CPU to that of the original i386. AFAIK: - only if the compiled binary contains the main function (the kernel doesn't) - only if you use a specific compiler option, which I don't use here To circumvent this I suggest to read http://groups.google.com/groups?dq=&hl=en&lr=&ie=UTF-8&oe=UTF-8&group=comp.arch&selm=a13e403a.0402091438.14018f5a%40posting.google.com BTW.: AFAIK it doesn't segfault, it exit()s. Any manufacturer is free to limit the use of his programs as he wants. I agree, this behavior isn't nice, but life isn't nice either (sometimes). Bye, Alexander. -- I will be available to get hired in April 2004. http://www.Leidinger.net Alexander @ Leidinger.net GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7
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