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Old 11-05-2010, 11:41 AM
maximilian attems
 
Default kbuild, deb-pkg: select userland architectire based on UTS_MACHINE

On Fri, Nov 05, 2010 at 12:32:41PM +0000, Asbjoern Sloth Toennesen wrote:
> Instead of creating the debian package for the compiling userland,
> create it for a userland matching the kernel thats being compiled.
>
> This patch supports all Lenny release architectures,
> and Linux-based architecture candidates for Squeeze.
>
> If it can't find a proper Debian userspace it displays a warning,
> and fallback to let deb-gencontrol use the host's userspace arch.
>
> Eg. with this patch the following make command:
>
> make ARCH=i386 deb-pkg
>
> will output an i386 Debian package instead of an amd64 one,
> when run on an amd64 machine.
>
> Signed-off-by: Asbjoern Sloth Toennesen <asbjorn@asbjorn.biz>

thank you, indeed very cool.

Acked-by: maximilian attems <max@stro.at>
> ---
> scripts/package/builddeb | 33 ++++++++++++++++++++++++++++++++-
> 1 files changed, 32 insertions(+), 1 deletions(-)
>
> diff --git a/scripts/package/builddeb b/scripts/package/builddeb
> index 5f1e2fc..1df1cc0 100644
> --- a/scripts/package/builddeb
> +++ b/scripts/package/builddeb
> @@ -25,8 +25,39 @@ create_package() {
> chown -R root:root "$pdir"
> chmod -R go-w "$pdir"
>
> + # Attempt to find the correct Debian architecture
> + local forcearch="" debarch=""
> + case "$UTS_MACHINE" in
> + i386|ia64|alpha|hppa)
> + debarch="$UTS_MACHINE" ;;

small nitpick parisc* != hppa


> + x86_64)
> + debarch=amd64 ;;
> + sparc*)
> + debarch=sparc ;;
> + s390*)
> + debarch=s390 ;;
> + ppc*)
> + debarch=powerpc ;;
> + mips*)
> + debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y .config && echo el) ;;
> + arm*)
> + debarch=arm$(grep -q CONFIG_AEABI=y .config && echo el) ;;
> + *)
> + echo "" >&2
> + echo "** ** ** WARNING ** ** **" >&2
> + echo "" >&2
> + echo "Your architecture doesn't have it's equivalent" >&2
> + echo "Debian userspace architecture defined!" >&2
> + echo "Falling back to using your current userspace instead!" >&2
> + echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
> + echo "" >&2
> + esac
> + if [ -n "$debarch" ] ; then
> + forcearch="-DArchitecture=$debarch"
> + fi
> +
> # Create the package
> - dpkg-gencontrol -isp -p$pname -P"$pdir"
> + dpkg-gencontrol -isp $forcearch -p$pname -P"$pdir"
> dpkg --build "$pdir" ..
> }
>
> --
> 1.7.2.3
>
> --
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