kernel_do_compile uses wrong kernel version

[Detlef Vollmann <dv@vollmann.ch>]

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kernel_do_compile in kernel.bbclass uses KERNEL_MAJOR_VERSION,
which is computed based on files that don't exist at that
point in time.
It's not a real problem, as a 'make dep' is still defined
and just gives a warning, but I attached a patch nevertheless.

BTW, I'm not sure how useful get_kernelversion() really is,
as for the DEPENDS the "2.6" or "2.4" needs to be computed
based on PV anyway.

   Detlef

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--- a/classes/kernel.bbclass	2010-06-14 00:02:08.000000000 +0200
+++ b/classes/kernel.bbclass	2010-07-12 01:49:03.000000000 +0200
@@ -85,7 +85,7 @@
 kernel_do_compile() {
 	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
 	oe_runmake include/linux/version.h CC="${KERNEL_CC}" LD="${KERNEL_LD}"
-	if [ "${KERNEL_MAJOR_VERSION}" != "2.6" ]; then
+	if [ "${@get_kernelmajorversion('${PV}')}" != "2.6" ]; then
 		oe_runmake dep CC="${KERNEL_CC}" LD="${KERNEL_LD}"
 	fi
 	oe_runmake ${KERNEL_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}"