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authorAsbjoern Sloth Toennesen <asbjorn@asbjorn.biz>2010-12-12 17:39:40 +0000
committerMichal Marek <mmarek@suse.cz>2010-12-20 16:52:31 +0100
commit55f88eccf9c288eed2f93f9ca7d7fe4dd2da762e (patch)
treea4338284ca8fdd6fde770b26e1f47a1608122d03
parentkbuild, deb-pkg: select userland architecture based on UTS_MACHINE (diff)
downloadlinux-dev-55f88eccf9c288eed2f93f9ca7d7fe4dd2da762e.tar.xz
linux-dev-55f88eccf9c288eed2f93f9ca7d7fe4dd2da762e.zip
kbuild, deb-pkg: support overriding userland architecture
Usefull if building for sparc64 userland, because the sparc and sparc64 userlands use the same 64-bit kernel, making it impossible to always select the correct userland architecture for the resulting debian package. Might also be usefull, if you want a i386 userland with a amd64 kernel. Example usage: make KBUILD_DEBARCH=i386 deb-pkg LKML-reference: <alpine.DEB.2.02.1011051437500.13287@aurora.sdinet.de> Signed-off-by: Asbjoern Sloth Toennesen <asbjorn@asbjorn.biz> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> Acked-by: maximilian attems <max@stro.at> Signed-off-by: Michal Marek <mmarek@suse.cz>
-rw-r--r--Documentation/kbuild/kbuild.txt8
-rw-r--r--scripts/package/builddeb3
2 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index 634c625da8ce..b146eb86e498 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -51,6 +51,14 @@ Specify the output directory when building the kernel.
The output directory can also be specificed using "O=...".
Setting "O=..." takes precedence over KBUILD_OUTPUT.
+KBUILD_DEBARCH
+--------------------------------------------------
+For the deb-pkg target, allows overriding the normal heuristics deployed by
+deb-pkg. Normally deb-pkg attempts to guess the right architecture based on
+the UTS_MACHINE variable, and on some architectures also the kernel config.
+The value of KBUILD_DEBARCH is assumed (not checked) to be a valid Debian
+architecture.
+
ARCH
--------------------------------------------------
Set ARCH to the architecture to be built.
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 5d6be3f5e7f7..ffe24194b763 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -54,6 +54,9 @@ create_package() {
echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
echo "" >&2
esac
+ if [ -n "$KBUILD_DEBARCH" ] ; then
+ debarch="$KBUILD_DEBARCH"
+ fi
if [ -n "$debarch" ] ; then
forcearch="-DArchitecture=$debarch"
fi