/etc/apt/sources.list.d/cross.list:
  deb http://de.archive.ubuntu.com/ubuntu xenial main universe
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32

Geladene Pakete (apt-get download):
cpp-4.7_4.7.4-3ubuntu12_amd64.deb
g++-4.7_4.7.4-3ubuntu12_amd64.deb
gcc-4.7_4.7.4-3ubuntu12_amd64.deb
gcc-4.7-base_4.7.4-3ubuntu12_amd64.deb
gcc-6-base_6.0.1-0ubuntu1_amd64.deb
lib32gcc1_1%3a8.3.0-6_amd64.deb
lib32gcc-4.7-dev_4.7.4-3ubuntu12_amd64.deb
lib32gomp1_8.3.0-6_amd64.deb
lib32itm1_8.3.0-6_amd64.deb
lib32quadmath0_8.3.0-6_amd64.deb
lib32stdc++6-4.7-dev_4.7.4-3ubuntu12_amd64.deb
libc6_2.28-10_amd64.deb
libc6-dev_2.28-10_amd64.deb
libc6-dev-i386_2.28-10_amd64.deb
libc6-i386_2.28-10_amd64.deb
libc-dev-bin_2.28-10_amd64.deb
libcloog-pplv4-1_0.16.1-6ubuntu3_amd64.deb
libgcc1_1%3a8.3.0-6_amd64.deb
libgcc-4.7-dev_4.7.4-3ubuntu12_amd64.deb
libmpfr4_3.1.4-1_amd64.deb
libstdc++6-4.7-dev_4.7.4-3ubuntu12_amd64.deb
libx32gcc1_1%3a8.3.0-6_amd64.deb
libx32gomp1_8.3.0-6_amd64.deb
libx32itm1_8.3.0-6_amd64.deb
libx32quadmath0_8.3.0-6_amd64.deb
linux-libc-dev_4.19.160-2_amd64.deb
zlib1g_1%3a1.2.11.dfsg-1_amd64.deb

./usr/include$ ln -s x86_64-linux-gnu/asm/ .