tce-load -i compiletc cmake

wget https://github.com/KhronosGroup/Vulkan-Headers/archive/refs/tags/v1.3.247.tar.gz

cd Vulkan-Headers-1.3.247

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-flto -march=i486 -mtune=i686 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-flto -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE ../

make
sudo make install