use alienfile;
plugin 'PkgConfig' => (pkg_name => 'gsl');
share {
  start_url 'https://ftp.gnu.org/gnu/gsl';
  plugin Download => (
    filter => qr/^gsl-([\d\.]+)\.tar\.gz$/,
    version => qr/^gsl-([\d\.]+)\.tar\.gz$/,
    prefer => 1,
  );
  plugin Extract => 'tar.gz';
  plugin 'Build::Autoconf';
  plugin 'Gather::IsolateDynamic';
};