SYNOPSIS

  Usage:
   $ perl6-build [options] VERSION   PREFIX [-- [configure options]]
   $ perl6-build [options] COMMITISH PREFIX [-- [configure options]]

  Options:
   -h, --help      show this help
   -l, --list      list available versions (latest 20 versions)
   -L, --list-all  list all available versions
   -w, --workdir   set working directory, default: ~/.perl6-build
       --jvm       build perl6 with jvm backend

  Example:
   # List available versions
   $ perl6-build -l

   # Build and install rakudo-star-2018.04 to ~/perl6
   $ perl6-build rakudo-star-2018.04 ~/perl6

   # Build and install rakudo from git repository (2018.06 tag) to ~/perl6
   $ perl6-build 2018.06 ~/perl6

   # Build and install rakudo from git repository (HEAD) to ~/perl6-{describe}
   # where {describe} will be replaced by `git describe` such as `2018.06-259-g72c8cf68c`
   $ perl6-build HEAD ~/perl6-'{describe}'

   # Build and install rakudo from git repository (HEAD) with jvm backend
   $ perl6-build --jvm 2018.06 ~/2018.06-jvm

   # Build and install rakudo from git repository (2018.06 tag) with custom configure options
   $ perl6-build 2018.06 ~/2018.06-custom -- --backends moar --with-nqp /path/to/bin/nqp