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kernel.bbclass: do_sizecheck: update path to build image and do not delete

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do_sizecheck has a few issues especially with vmlinux image type.

It breaks because KERNEL_OUTPUT is a path relative to ${B}.  When
do_sizecheck runs it does not find the file (because the working
directory is elsewhere) and does not fail.

Also, the image file referenced by KERNEL_OUTPUT may be a link.

Finally, when do_sizecheck deletes the oversized kernel image it leaves
the previously run do_compile task with inaccurate status.

So, do the following:
 - specify that the working directory should be ${B}
 - use ls -L to reference to the real file, and ensure that the link
   file is created
 - keep the oversized image file so the status of do_compile is valid

[YOCTO #3514]

(From OE-Core rev: f0b19ddce3c92c5d06976cf73d4c4c480e053dff)

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Michel Thebeau <michel.thebeau@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Michel Thebeau 2013-04-08 16:15:51 -04:00 committed by Richard Purdie
parent a6502081b7
commit e57284abca
1 changed files with 4 additions and 3 deletions
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7
meta/classes/kernel.bbclass
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@ -293,15 +293,16 @@ python split_kernel_packages () {
# with a fixed length or there is a limit in transferring the kernel to memory
do_sizecheck() {
if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then
size=`ls -l ${KERNEL_OUTPUT} | awk '{ print $5}'`
cd ${B}
size=`ls -lL ${KERNEL_OUTPUT} | awk '{ print $5}'`
if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
rm ${KERNEL_OUTPUT}
die "This kernel (size=$size > ${KERNEL_IMAGE_MAXSIZE}) is too big for your device. Please reduce the size of the kernel by making more of it modular."
fi
fi
}
do_sizecheck[dirs] = "${B}"
addtask sizecheck before do_install after do_compile
addtask sizecheck before do_install after do_kernel_link_vmlinux
KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PE}-${PV}-${PR}-${MACHINE}-${DATETIME}"
# Don't include the DATETIME variable in the sstate package signatures