Add list_url for packages from http://ab-initio.mit.edu/ (#4471)

var/spack/repos/builtin/packages/libctl/package.py

@@ -25,24 +25,25 @@
 from spack import *
 
 
-class Libctl(Package):
+class Libctl(AutotoolsPackage):
     """libctl is a free Guile-based library implementing flexible
     control files for scientific simulations."""
 
     homepage = "http://ab-initio.mit.edu/wiki/index.php/Libctl"
     url      = "http://ab-initio.mit.edu/libctl/libctl-3.2.2.tar.gz"
+    list_url = "http://ab-initio.mit.edu/libctl/old"
 
     version('3.2.2', '5fd7634dc9ae8e7fa70a68473b9cbb68')
 
     depends_on('guile')
 
-    def install(self, spec, prefix):
-        configure('--prefix={0}'.format(prefix),
-                  '--enable-shared',
-                  'GUILE={0}'.format(join_path(
-                      spec['guile'].prefix.bin, 'guile')),
-                  'GUILE_CONFIG={0}'.format(join_path(
-                      spec['guile'].prefix.bin, 'guile-config')))
+    def configure_args(self):
+        spec = self.spec
 
-        make()
-        make('install')
+        return [
+            '--enable-shared',
+            'GUILE={0}'.format(join_path(
+                spec['guile'].prefix.bin, 'guile')),
+            'GUILE_CONFIG={0}'.format(join_path(
+                spec['guile'].prefix.bin, 'guile-config')),
+        ]