UnrealEnginePPC64

On Debian 10 PowerPC 64 unstable ( on T2080 RDB)

install mono and glang-8

apt install mono-complete

apt install clang-8

clang symbolic links

sudo ln -s /usr/bin/clang-8 /usr/bin/clang

sudo ln -s /usr/bin/clang++-8 /usr/bin/clang++

jemalloc.h symbolic link on Unreal source

apt install libjemalloc-dev

Other needed packages

apt-get install texinfo

Run: cd UnrealEngine
./Engine/Build/BatchFiles/Linux/Toolchain/DockerOnWindows/build_linux_toolchain/build_linux_toolchain.sh
.Setup.sh

Useful Info about Build UnReal on Linux https://wiki.unrealengine.com/Building_On_Linux