I think I did several things wrong. Finally I looked at Google’s Android
kernel building [guide][1], which I just discovered.
To install the ARM cross compiler, I proceeded as follows:
$ git clone https://android.googlesource.com/platform/prebuilts/gcc/
linux-x86/arm/arm-eabi-4.6
$ export PATH="$(pwd)/arm-eabi-4.6/bin:$PATH"
Finally, I checked the kernel on the device:
$ adb -s a1a143 shell cat /proc/version
Linux version 3.4.0-g033889a (android-bld@Moon) (gcc version 4.7
(GCC) ) #1 SMP PREEMPT Tue Jul 8 20:33:01 CST 2014
That matches the one provided:
$ cd OT_4019X/kernel
$ make kernelversion
3.4.0
Processor on device:
$ adb shell cat /proc/cpuinfo
[…]
Hardware : Qualcomm MSM8210
[…]
As there is no MSM8210 config in `arch/arm/configs`, I checked the
Qualcomm site, and it’s in the same series as the MSM8610. Also, the
shell prompt when using `adb` is `shell@msm8610`. This information I
used to build the kernel:
$ make msm8610_defconfig
$ make -j4
The build process finished without errors.
[1]: http://source.android.com/source/building-kernels.html
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