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Subject[PATCH] kbuild, deb-pkg: select userland architectire based on UTS_MACHINE
Date
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>
---
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" ;;
+ 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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