[Q] Error compiling kernel inline with CM9 Source - Galaxy Tab 10.1 Q&A, Help & Troubleshooting

Hi all,
I'm trying to compile the kernel inline with my CM9 build. It builds fine without in-lining the kernel. I added the following to my device/samsung/p4wifi/cm.dependencies file:
Code:
[
{
"repository": "android_device_samsung_p4-common",
"target_path": "device/samsung/p4-common"
},
{
"repository": "android_kernel_samsung_p4",
"target_path": "kernel/samsung/p4wifi"
}
]
Then i added the following to my device/samsung/p4wifi/BoardConfig.mk
Code:
TARGET_KERNEL_CONFIG := samsung_p4wifi_defconfig
And when i try to build i get this error:
Code:
/root/android/system/kernel/samsung/p4wifi/kernel/sysctl.c:362: error: 'sysctl_sched_autogroup_handler' undeclared here (not in a function)
make[3]: *** [kernel/sysctl.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [kernel] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [sub-make] Error 2
make[1]: Leaving directory `/root/android/system/kernel/samsung/p4wifi'
make: *** [TARGET_KERNEL_BINARIES] Error 2
Any ideas? Thanks.

---

I guess you're using CyanogenMod repo for the kernel, I suggest that you use pershoot's repo instead, it has the latest changes.
If you want, add this to your local_manifest.xml :
Code:
<project name="pershoot/android_device_samsung_p4-common" path="device/samsung/p4-common" />
<project name="pershoot/android_device_samsung_p4wifi" path="device/samsung/p4wifi" />
<project name="pershoot/android_vendor_samsung_p4wifi" path="vendor/samsung/p4wifi" />
<project name="pershoot/android_kernel_samsung_p4" path="kernel/samsung/p4wifi" />
And change your BoardConfig.mk (my guess is that this is why you're getting that error):
Code:
TARGET_KERNEL_CONFIG := pershoot_samsung_p4wifi-ics_defconfig

---

Thanks MapleSyrup, you were right, the TARGET_KERNEL_CONFIG was what was screwing it up. Now i'm going to switch over to pershoots repo.
I'm assuming i just have to delete my current
kernel/samsung/p4wifi
device/samsung/p4wifi
vender/samsung/p4wifi
device/samsung/p4-common
Directories before i add pershoots projects in?
Thanks again.

---

Not really, because git takes care of the update, but if you want, do it.
BTW, if you read the README in the kernel repo:
Note:
This kernel must be built with Codesourcery's 2010.09.
You can find this toolchain here:
http://droidbasement.com/androidTO/arm-2010.09.tar.gz
Click to expand...
Click to collapse
Change the variable ARM_EABI_TOOLCHAIN in your build/envsetup.sh to the directory (full path) of the decompressed toolchain (e.g. /path/to/arm-2010.09/bin). Comment the toolchaindir and the related if condition.
Also, you'll have to alter the variable ARM_CROSS_COMPILE in build/core/tasks/kernel.mk, changing the "arm-eabi-" part to "arm-none-eabi-".
To be sure, do a "make clean" (in your work directory. It will delete the out/ directory, in case you're using cache to speed up builds) before doing a new build (just this time).

---

Thanks, I did read the readme but had no clue about setting those variables. Everything is building perfectly now.
Thanks again for the help.