-Import ('env')
-sources = env['src_glob'] (env, '*.scm')
-dir = env['sharedir_package_version'] + '/scm'
-env.Install (dir, sources)
-env.Alias ('install', dir)
+Import ('env', 'install', 'src_glob')
+sources = src_glob ('*.scm')
+install (sources, env['sharedir_package_version'] + '/scm')