add snappy package

var/spack/packages/snappy/package.py

@@ -0,0 +1,15 @@
+import os
+from spack import *
+
+class Snappy(Package):
+    """A fast compressor/decompressor: https://code.google.com/p/snappy"""
+
+    homepage = "https://code.google.com/p/snappy"
+    url      = "https://github.com/google/snappy/releases/download/1.1.3/snappy-1.1.3.tar.gz"
+
+    version('1.1.3', '7358c82f133dc77798e4c2062a749b73')
+
+    def install(self, spec, prefix):
+        configure("--prefix=" + prefix)
+        make()
+        make("install")