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 DEBARCH=i386 deb-pkg
LKML-reference: <[email protected]>
Signed-off-by: Asbjoern Sloth Toennesen <[email protected]>
Reviewed-by: WANG Cong <[email protected]>
Acked-by: maximilian attems <[email protected]>
---
Documentation/kbuild/kbuild.txt | 8 ++++++++
scripts/package/builddeb | 3 +++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index 634c625..2940df0 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -60,6 +60,14 @@ But some architectures such as x86 and sparc have aliases.
x86: i386 for 32 bit, x86_64 for 64 bit
sparc: sparc for 32 bit, sparc64 for 64 bit
+DEBARCH
+--------------------------------------------------
+For the deb-pkg target, allows overriding the normal heuristics deployed by
+deb-deb. 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 DEBARCH is assumed (not checked) to be a valid Debian
+architecture.
+
CROSS_COMPILE
--------------------------------------------------
Specify an optional fixed part of the binutils filename.
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 5d6be3f..22b6995 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -54,6 +54,9 @@ create_package() {
echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
echo "" >&2
esac
+ if [ -n "$DEBARCH" ] ; then
+ debarch="$DEBARCH"
+ fi
if [ -n "$debarch" ] ; then
forcearch="-DArchitecture=$debarch"
fi
--
1.7.2.3
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