On Sat, Mar 01, 2008 at 02:01:33PM +0100, Sam Ravnborg wrote:
> On Fri, Feb 29, 2008 at 04:42:40PM -0500, John W. Linville wrote:
> > On Fri, Feb 29, 2008 at 02:10:58PM -0500, John W. Linville wrote:
> > > On Fri, Feb 29, 2008 at 05:34:13PM +0100, Johannes Berg wrote:
> > > >
> > > > On Fri, 2008-02-29 at 11:26 -0500, John W. Linville wrote:
> > > > > On Fri, Feb 29, 2008 at 01:16:59PM +0100, Michael Buesch wrote:
> > > > >
> > > > > > I'm wondering if we can't simply pass a commandline parameter to file2alias
> > > > > > that tells it whether we are crosscompiling. It should simply omit the sanity check
> > > > >
> > > > > Sounds reasonable to me.
> > > >
> > > > In fact, file2alias shouldn't need a command line argument ...
> > > >
> > > > > > in that case. Is there any easy and reliable way to find out whether we
> > > > > > are crosscompiling from a makefile (I don't know the makefile core that much)?
> > > > >
> > > > > Non-empty CROSS_COMPILE definition?
> > > >
> > > > ... it can just check whether CROSS_COMPILE is set in its environment.
> > > > No?
> > >
> > > Not a bad idea...something like this?
> >
> > That version didn't work -- it seems CROSS_COMPILE is always set,
> > even if it is empty.
> >
> > This version seems to work, but it is a bit chatty when CROSS_COMPILE
> > is set and you build lots of modules...thoughts?
>
> We cannot use CROSS_COMPILE to detect a cross build as CROSS_COMPILE
> is used used to select different gcc versions, cccache etc.
> The only relaiably way to detect a cross build is to check
> is ARCH != modified uname -m arch.
> So this check would have to be done in the top-level Makefile.
>
> And that for shaving 6 bytes of a structure..
I remember two other occassions where this file2alias mess has bitten us
recently.
I don't mind that much how it gets fixed, but the current status quo of
having this kind of problems again and again is simply not acceptable.
> Sam
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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