tce-load -i compiletc cmake spirv-tools-dev clang

wget https://github.com/KhronosGroup/SPIRV-LLVM-Translator/archive/v22.1.2/SPIRV-LLVM-Translator-22.1.2.tar.gz

cd SPIRV-LLVM-Translator-22.1.2

[/usr/local/lib/cmake/llvm/* cannot be symlinks]

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a53 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a53 -Os -pipe -fno-exceptions -fno-rtti" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE -DBUILD_SHARED_LIBS=ON -DCMAKE_SKIP_INSTALL_RPATH=ON -DLLVM_EXTERNAL_SPIRV_HEADERS_SOURCE_DIR=/usr/local -G Ninja ../

ninja [4m 5.45s]
sudo ninja install