linux-kernel - [PATCH 4.9 82/83] builddeb: fix cross-building to arm64 producing host-arch debs

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Date:   Wed,  4 Jan 2017 21:07:14 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Adam Borowski <kilobyte@...band.pl>,
        Riku Voipio <riku.voipio@...aro.org>,
        Michal Marek <mmarek@...e.com>
Subject: [PATCH 4.9 82/83] builddeb: fix cross-building to arm64 producing host-arch debs

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Adam Borowski <kilobyte@...band.pl>

commit 152b695d74376bfe55cd2a6265ccc75b0d39dd19 upstream.

Both Debian and kernel archs are "arm64" but UTS_MACHINE and gcc say
"aarch64".  Recognizing just the latter should be enough but let's
accept both in case something regresses again or an user sets
UTS_MACHINE=arm64.

Regressed in cfa88c7: arm64: Set UTS_MACHINE in the Makefile.

Signed-off-by: Adam Borowski <kilobyte@...band.pl>
Acked-by: Riku Voipio <riku.voipio@...aro.org>
Signed-off-by: Michal Marek <mmarek@...e.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 scripts/package/builddeb |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -51,7 +51,7 @@ set_debarch() {
 		debarch=hppa ;;
 	mips*)
 		debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo el || true) ;;
-	arm64)
+	aarch64|arm64)
 		debarch=arm64 ;;
 	arm*)
 		if grep -q CONFIG_AEABI=y $KCONFIG_CONFIG; then