Re: [PATCH] builddeb: remove unneeded explicit Architecture

[maximilian attems]

On Wed, Sep 05, 2012 at 07:40:09PM +0300, Tzafrir Cohen wrote:
> On Wed, Sep 05, 2012 at 05:14:22PM +0200, maximilian attems wrote:
> > On Wed, 05 Sep 2012, Michal Marek wrote:
> > 
> > > On 5.9.2012 15:05, Tzafrir Cohen wrote:
> > > > Hi,
> > > > 
> > > > Thanks for your reply,
> > > > 
> > > > On Fri, Aug 31, 2012 at 03:50:10PM +0200, Michal Marek wrote:
> > > >> Adding Max to CC.
> > > >>
> > > >> On 14.8.2012 12:44, Tzafrir Cohen wrote:
> > > >>> Architecture was set explicitly in debian/control for one of the three
> > > >>> packages (linux-libc-dev) but not for the other two. When cross-building
> > > >>> it gives me an error:
> > > >>>
> > > >>>   dpkg-gencontrol: error: current host architecture 'armhf' does not
> > > >>>   appear in package's architecture list (amd64)
> > > >>>
> > > >>> Also note that if used, dpkg --print-architecture should have been
> > > >>> replaced with dpkg-architecture.
> > > >>>
> > > >>> Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xxxxxxxxxx>
> > > >>> ---
> > > >>>  scripts/package/builddeb |    3 +--
> > > >>>  1 file changed, 1 insertion(+), 2 deletions(-)
> > > >>>
> > > >>> diff --git a/scripts/package/builddeb b/scripts/package/builddeb
> > > >>> index acb8650..d9c71a6 100644
> > > >>> --- a/scripts/package/builddeb
> > > >>> +++ b/scripts/package/builddeb
> > > >>> @@ -252,13 +252,12 @@ mkdir -p "$destdir"
> > > >>>  (cd $objtree; tar -c -f - -T "$objtree/debian/hdrobjfiles") | (cd $destdir; tar -xf -)
> > > >>>  ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
> > > >>>  rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
> > > >>> -arch=$(dpkg --print-architecture)
> > > >>>  
> > > >>>  cat <<EOF >> debian/control
> > > >>>  
> > > >>>  Package: $kernel_headers_packagename
> > > >>>  Provides: linux-headers, linux-headers-2.6
> > > >>> -Architecture: $arch
> > > >>> +Architecture: any
> > > >>>  Description: Linux kernel headers for $KERNELRELEASE on $arch
> > > >>>   This package provides kernel header files for $KERNELRELEASE on $arch
> > > >>>   .
> > > >>
> > > >> As the package contains files from arch/$SRCARCH/include, I doubt that
> > > >> this is a valid change.
> > > > 
> > > > But you optionally force the Architecture later on in build_package.
> > > > "Arhcitecture: any" in the source package states that the binary package
> > > > will be the one stated by the build system.
> > > 
> > > Ah, OK. I don't know much about Debian packaging in fact. Max, could you
> > > have a look? The original thread is here:
> > > http://lkml.org/lkml/2012/8/14/133. I meant to add you to CC before,
> > > but apparently I forgot.
> >
> > yes indeed it is an invalid change.
> > Cross building shouldn't need it, what did you exactly try?
> 
> $ grep CROSS_COMPILE .config
> CONFIG_CROSS_COMPILE="arm-linux-gnueabihf-"
> 
> Command:
> 
>   KBUILD_DEBARCH=armhf make ARCH=arm KBUILD_IMAGE=uImage deb-pkg
> 
> Error I get:
> 
>   dpkg-gencontrol: error: current host architecture 'armhf' does not
>   appear in package's architecture list (amd64)
> 
> It seems I have to use KBUILD_DEBARCH, as the kernel build system can't
> really tell if I want armel or armhf (If I built the same kernel for a
> Squeeze system I would have been forced to use armel).

well, obviously the dpkg call in
 -arch=$(dpkg --print-architecture)
is wrong please fix that.

thanks.

-- 
maks
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