Re: glibc - capaibility control mechanism
On Fri, Apr 01, 2005 at 07:11:04PM +0200, Bastian Blank wrote:
> On Fri, Apr 01, 2005 at 11:35:49AM -0500, Daniel Jacobowitz wrote:
> > You need to be a lot more specific than that. It works. I use it every day.
>
> So? Than please show me how to ask it to enable sse optimized libs and
> disable tls.
Debian doesn't offer a way to do this for libc, because we only ship
SSE optimized libraries which use TLS. If we did ship them, then
LD_ASSUME_KERNEL=2.4 would work fine. That disables TLS, but not
hardware capabilities.
> > No way. An additional data source with a grammar that needs to be
> > parsed at every application's startup?
>
> /etc/ld.so.conf don't get read every time? This one generates IO and
> syscalls, while my extension only needs some cpu cycles.
>
> Also I don't say that a compiled version can't end in /etc/ld.so.cache
> and only the overwrite needs to be parsed.
ld.so.conf doesn't get read every time. It's only used by ldconfig.
--
Daniel Jacobowitz
CodeSourcery, LLC
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