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The same situation like in the last question. An android kernel (3.4.0), that I try to compile with gcc 5.2 (Linaro toolchain).

arch/arm/mach-msm/built-in.o:memory.c:function check_for_compat: error:    undefined reference to '__compat_exports_start'
arch/arm/mach-msm/built-in.o:memory.c:function check_for_compat: error: undefined reference to '__compat_exports_end'

Here are some relevant files from the source for solving the problem:https://drive.google.com/folderview?id=0BzvG7t0B9TTDTk5MNlBEcVgxUVk&usp=sharing

Sam Protsenko
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David Müller
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  • Which kernel version you trying to compile? BTW "linux-kernel" tag explicitely talks about needing of kernel version. – Tsyvarev Oct 28 '15 at 18:13
  • Hmm, it looks strange: there is no `arch/arm/mach-msm/memory.c` file in the [android's repo](https://github.com/android/kernel_common/tree/android-3.4/arch/arm/mach-msm). – Tsyvarev Oct 28 '15 at 21:05
  • @DavidMüller Can you provide us with link to your kernel sources? If yes, please tell us also which `defconfig` file you are using for building, as well. – Sam Protsenko Oct 28 '15 at 23:41

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