Merge pull request #396 from adamjstewart/features/hdf5

Add szip variant

var/spack/repos/builtin/packages/hdf5/package.py

@@ -48,9 +48,11 @@ class Hdf5(Package):
     variant('unsupported', default=False, description='Enables unsupported configuration options')
 
     variant('mpi', default=False, description='Enable MPI support')
+    variant('szip', default=False, description='Enable szip support')
     variant('threadsafe', default=False, description='Enable thread-safe capabilities')
 
     depends_on("mpi", when='+mpi')
+    depends_on("szip", when='+szip')
     depends_on("zlib")
 
     def validate(self, spec):
@@ -105,6 +107,9 @@ def install(self, spec, prefix):
             if '+fortran' in spec:
                 extra_args.append("FC=%s" % spec['mpi'].prefix.bin + "/mpifort")
 
+        if '+szip' in spec:
+            extra_args.append("--with-szlib=%s" % spec['szip'].prefix)
+
         if '+threadsafe' in spec:
             extra_args.extend([
                 '--enable-threadsafe',