1. apt-get install glibc-source dpkg-cross -t experimental
     
   This patch glibc.diff bases patches from::
     #782198
     #773300

2. install other build-deps
   Make sure libc6-i386/libc6-x32 are not installed.

3. tar xf mips64el-cross-toolchain-base_1.5.tar.xz
4. cd mips64el-cross-toolchain-base-*

5. We have to generate ourself linux-libc-dev as:
	See: #784945

6. dpkg-buildpackage -b 2>&1 | tee ../mips64el-cross-base.log

Contact me if any question:
   syq@debian.org