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Re: [wwwdocs] IPA and LTO updates
On Mon, Nov 15, 2010 at 03:16:49PM +0100, Jan Hubicka wrote:
> > Jan Hubicka <hubicka@ucw.cz> writes:
> >
> > > ! by default the serial LTO optimization model. Link time optimization
> > > ! can now split itself into multiple parallel complications. The parallelizm
> > > ! is controlled using using <tt>-flto=</tt><em>n</em> (where
> > > ! <em>n</em> specify number of parallel compilations to execute. GCC
> > > ! can also cooperate with GNU make job server
> > > ! by specifying <tt>-flto=jobserv</tt> option and adding
> > > <tt>+</tt> in the
> >
> > It's -flto=jobserver isn't it? (unless you renamed it recently)
> It is, thanks ;)
> BTW, it would be nice to add the autodetection of jobserver. It is something you plan to look
> into or should I figure out what environent vars to test?
I didn't do it because Ralf thought it was a bad idea with
some danger of deadlock?
If that's resolved it's fairly easy: just check for the environment
variable. I can do that if there is consensus.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.