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From: Eric Benard <eric@eukrea.com>
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Date: Mon,  3 May 2010 23:21:31 +0200
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Subject: [PATCH] module-base.bbclass: keep PR if MACHINE_KERNEL_PR is not set
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Signed-off-by: Eric Benard <eric@eukrea.com>
---
 classes/module-base.bbclass |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/classes/module-base.bbclass b/classes/module-base.bbclass
index bc53e1b..9aaaa4e 100644
--- a/classes/module-base.bbclass
+++ b/classes/module-base.bbclass
@@ -7,7 +7,12 @@ export CROSS_COMPILE = "${TARGET_PREFIX}"
 
 # A machine.conf or local.conf can increase MACHINE_KERNEL_PR to force
 # rebuilds for kernel and external modules
-PR = "${MACHINE_KERNEL_PR}"
+python __anonymous () {
+    machine_kernel_pr = bb.data.getVar('MACHINE_KERNEL_PR', d, True)
+
+    if machine_kernel_pr:
+       bb.data.setVar('PR', machine_kernel_pr, d)
+}
 
 export KERNEL_VERSION = "${@base_read_file('${STAGING_KERNEL_DIR}/kernel-abiversion')}"
 export KERNEL_SOURCE = "${@base_read_file('${STAGING_KERNEL_DIR}/kernel-source')}"
-- 
1.6.3.3