Cross Build

Cmake toolchain files for cross platform building on linux ci containers

Tools required

Ubuntu

apt install -y build-essential git cmake \
               gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf \
               gcc-aarch64-linux-gnu g++-aarch64-linux-gnu \
               gcc-x86-64-linux-gnu g++-x86-64-linux-gnu \
               gcc-i686-linux-gnu g++-i686-linux-gnu \
               gcc-mingw-w64-x86-64 g++-mingw-w64-x86-64 \
               gcc-mingw-w64-i686 g++-mingw-w64-i686