Re: [PATCH 0/4] Compile kernel with -fwhole-program --combine

[Helge Hafting]

David Woodhouse wrote:
> On Fri, 2006-08-25 at 16:11 -0400, Rob Landley wrote:
>   
> > BusyBox has been doing this for months now: "build at once" is one of our 
> > config options.  I'd like to point out that gcc eats needs several hundred 
> > megabytes of ram to do this and you have no useful progress indicator between 
> > starting and ending.  But the result is definitely smaller.
> >     
>
> It isn't that bad when you're only building a few files at a time -- I
> wouldn't suggest doing it for the whole kernel.
>   
I suggest a new makefile target for this.

I.e. "make bzImage" as always for those who do development and
recompile after small changes/patches. 

And a "make optImage" (optimized image) when building a
kernel for production use, when you believe compiling every file
and spending lots of extra time is worth it.

Helge Hafting
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