linux-kernel - [PATCH] mkmakefile: add export of $ARCH if specified on command-line

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Date:	Mon, 26 Mar 2012 16:54:04 -0400
From:	Chris Metcalf <cmetcalf@...era.com>
To:	Michal Marek <mmarek@...e.cz>, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] mkmakefile: add export of $ARCH if specified on command-line

If you create a new build tree and set "ARCH=foo" on the command
line, it makes sense for that build tree to remember the architecture
that it's meant to be built for.

Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
---
 scripts/mkmakefile |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index 0cc0442..67682a8 100644
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -57,3 +57,7 @@ Makefile:;
 %/: all
 	@:
 EOF
+
+if [ -n "$ARCH" ]; then
+	echo "export ARCH = $ARCH" >> $2/Makefile
+fi
-- 
1.6.5.2

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