export GMP_VERSION=6.3.0 IFS='.' read -r GMP_VERSION_MAJOR GMP_VERSION_MINOR GMP_VERSION_PATCH <<< $GMP_VERSION export GMP_VERSION_MAJOR GMP_VERSION_MINOR GMP_VERSION_PATCH export GMP_URL=https://mirror.ufs.ac.za/gnu/gmp/gmp-$GMP_VERSION.tar.xz