[alarm@alarm ~]$ cd x-tools
[alarm@alarm ~]$ ct-ng arm-unknown-linux-gnueabi
[alarm@alarm ~]$ cd .build/tarballs
[alarm@alarm ~]$ wget https://www.zlib.net/fossils/zlib-1.2.12.tar.gz
[alarm@alarm ~]$ cd ../..
[alarm@alarm ~]$ ct-ng build
...
... Bunch of messages. Takes about 12 minutes to build ...
...
[alarm@alarm ~]$ cp -r arm-unknown-linux-gnueabi /usr/local
[alarm@alarm ~]$ echo "export PATH=$PATH:/usr/local/arm-unknown-linux-gnueabi/bin" >> ~.bashrc
[alarm@alarm ~]$ cd ~/qemu
[alarm@alarm ~]$ ./configure --target-list=arm-softmmu,arm-linux-user
[alarm@alarm ~]$ make -j2
[alarm@alarm ~]$ sudo make install