Choose a default clang from multiple versions in DragonFlyBSD

use-clang.sh

#!/bin/sh

basedir=`dirname $0`
version=${1:-14}
dirname=/usr/local/bin/

run() {
    echo $@
    $@
}

for item in `pkg info -l llvm${version} | grep "${dirname}.*${version}$"`; do
    a=${item##$dirname}
    b=${a%$version}

    run ln -sf $item ${basedir}/${b}
done