Error compiling the Linux kernel 3.19.0-25-generic
<p>I try to execute <code>fakeroot debian/rules binary-headers binary-genericand</code> compile when building kernel but get the error.</p>

<p>Here error in below</p>

<pre><code>arch/x86/built-in.o:(.rodata+0x1cb8): undefined reference to 'sys_monlak'
make[2]: *** [vmlinux] Error 1
make[2]: Leaving directory '/home/su/linux-lts-vivid-3.19.0/debian/build/build-generic'
make[1]: *** [sub-make] Error 2
make[1]: Leaving directory '/home/su/linux-lts-vivid-3.19.0'
make: *** [/home/su/linux-lts-vivid-3.19.0/debian/stamps/stamp-build-generic] Error 2
</code></pre>

<p>I tried to build kernel following <a href="https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel" rel="nofollow">Build your own kernel </a>and <a href="http://web2.clarkson.edu/class/cs444/cs444.sp2015/labs/lab04.pdf" rel="nofollow">Clarkson.edu</a></p>