tce-load -i compiletc cmake ninja spirv-llvm-translator-dev

wget https://github.com/llvm/llvm-project/releases/download/llvmorg-19.1.0/libclc-19.1.0.src.tar.xz

cd libclc-19.1.0.src

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -fno-exceptions -fno-rtti" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE -G Ninja ../

ninja [29m 10.26s]
sudo ninja install