Updated and added new versions to the METIS/ParMETIS packages.

- Added a 'url_for_version' function to the METIS/ParMETIS packages.
- Added installation support for METIS@5.0.2 and ParMETIS@4.0.2.
- Changed the 'double' variant to 'real64' to make it more consistent
  with the 'idx64' variant naming.
- Removed an unnecessary dependency on gdb.

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

@@ -31,10 +31,12 @@ class Parmetis(Package):
     ParMETIS is an MPI-based parallel library that implements a variety of algorithms for partitioning unstructured
     graphs, meshes, and for computing fill-reducing orderings of sparse matrices.
     """
+
     homepage = 'http://glaros.dtc.umn.edu/gkhome/metis/parmetis/overview'
-    url = 'http://glaros.dtc.umn.edu/gkhome/fetch/sw/parmetis/parmetis-4.0.3.tar.gz'
+    base_url = 'http://glaros.dtc.umn.edu/gkhome/fetch/sw/parmetis'
 
     version('4.0.3', 'f69c479586bf6bb7aff6a9bc0c739628')
+    version('4.0.2', '0912a953da5bb9b5e5e10542298ffdce')
 
     variant('shared', default=True, description='Enables the build of shared libraries')
     variant('debug', default=False, description='Builds the library in debug mode')
@@ -42,17 +44,18 @@ class Parmetis(Package):
 
     depends_on('cmake @2.8:')  # build dependency
     depends_on('mpi')
-
-    patch('enable_external_metis.patch')
     depends_on('metis@5:')
 
+    patch('enable_external_metis.patch')
     # bug fixes from PETSc developers
     # https://bitbucket.org/petsc/pkg-parmetis/commits/1c1a9fd0f408dc4d42c57f5c3ee6ace411eb222b/raw/
     patch('pkg-parmetis-1c1a9fd0f408dc4d42c57f5c3ee6ace411eb222b.patch')
     # https://bitbucket.org/petsc/pkg-parmetis/commits/82409d68aa1d6cbc70740d0f35024aae17f7d5cb/raw/
     patch('pkg-parmetis-82409d68aa1d6cbc70740d0f35024aae17f7d5cb.patch')
 
-    depends_on('gdb', when='+gdb')
+    def url_for_version(self, version):
+        version_dir = 'OLD/' if version < Version('3.2.0') else ''
+        return '%s/%sparmetis-%s.tar.gz' % (Parmetis.base_url, version_dir, version)
 
     def install(self, spec, prefix):
         options = []
@@ -71,18 +74,15 @@ def install(self, spec, prefix):
 
         if '+shared' in spec:
             options.append('-DSHARED:BOOL=ON')
-
         if '+debug' in spec:
-            options.extend(['-DDEBUG:BOOL=ON',
-                            '-DCMAKE_BUILD_TYPE:STRING=Debug'])
-
+            options.extend(['-DDEBUG:BOOL=ON', '-DCMAKE_BUILD_TYPE:STRING=Debug'])
         if '+gdb' in spec:
             options.append('-DGDB:BOOL=ON')
 
         with working_dir(build_directory, create=True):
             cmake(source_directory, *options)
             make()
-            make("install")
+            make('install')
 
             # The shared library is not installed correctly on Darwin; correct this
             if (sys.platform == 'darwin') and ('+shared' in spec):