1set -vex 2 3wget https://github.com/ninja-build/ninja/releases/download/v1.9.0/ninja-linux.zip 4unzip -q ninja-linux.zip -d build 5 6pip3 install meson 7echo ${PATH} 8ls /usr/local 9ls /usr/local/bin 10export PATH="${PWD}"/build:/usr/local/bin:/usr/bin:${PATH} 11