+ # If TOOLCHAIN is unset, we're on some flavour of ARM.
+ - if [[ "${TOOLCHAIN}" == "" ]]; then
+ wget http://releases.linaro.org/components/toolchain/binaries/6.3-2017.02/aarch64-linux-gnu/gcc-linaro-6.3.1-2017.02-x86_64_aarch64-linux-gnu.tar.xz &&
+ wget http://releases.linaro.org/components/toolchain/binaries/6.3-2017.02/arm-linux-gnueabihf/gcc-linaro-6.3.1-2017.02-x86_64_arm-linux-gnueabihf.tar.xz &&
+ tar -C /tmp -xf gcc-linaro-6.3.1-2017.02-x86_64_aarch64-linux-gnu.tar.xz &&
+ tar -C /tmp -xf gcc-linaro-6.3.1-2017.02-x86_64_arm-linux-gnueabihf.tar.xz;
+ fi
+ - if [[ "${TOOLCHAIN}" == "riscv" ]]; then
+ wget https://github.com/PkmX/riscv-prebuilt-toolchains/releases/download/20180111/riscv32-unknown-elf-toolchain.tar.gz &&
+ tar -C /tmp -xf riscv32-unknown-elf-toolchain.tar.gz &&
+ echo -e "\n[toolchain-prefix]\nriscv = /tmp/riscv32-unknown-elf/bin/riscv32-unknown-elf-" >> ~/.buildman;
+ fi
+ - if [[ "${QEMU_TARGET}" != "" ]]; then
+ git clone git://git.qemu.org/qemu.git /tmp/qemu;
+ pushd /tmp/qemu;
+ git submodule update --init dtc &&
+ git checkout v2.8.0-rc3 &&
+ ./configure --prefix=/tmp/qemu-install --target-list=${QEMU_TARGET} &&
+ make -j4 all install;
+ popd;
+ fi