From: Peter Foley <pefoley2@verizon.net>
Date: Tue, 5 Jul 2011 23:42:18 +0000 (-0400)
Subject: kernel: prevent unnecessary rebuilding due to config_data.gz
X-Git-Tag: v3.1-rc1~242^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e78e8f2d8318851d0911039999c903a6082bef2e;p=pandora-kernel.git

kernel: prevent unnecessary rebuilding due to config_data.gz

When IKCONFIG is built-in make oldconfig will cause the kernel to be
relinked even if .config didn't change. This happens because of a
config_data.gz dependency on .config. This patch changes the if_changed
to a filechk so that config_data.h is only rebuilt when the contents
have actually changed.

Signed-off-by: Peter Foley <pefoley2@verizon.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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